Subject: [syzbot] [nfc?] WARNING in nfc_llcp_unregister_device

From: syzbot <[email-masked]>
Date: Sat, 17 Jun 2023 14:50:13 -0700

Hello,

syzbot found the following issue on:

HEAD commit:    15adb51c04cc Merge tag 'devicetree-fixes-for-6.4-3' of git..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1782309b280000
kernel config:  https://syzkaller.appspot.com/x/.config?x=2da5e3a224efd76
dashboard link: https://syzkaller.appspot.com/bug?extid=41c46680254e9cdab0e4
compiler:       aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/384ffdcca292/non_bootable_disk-15adb51c.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/e85d507b375f/vmlinux-15adb51c.xz
kernel image: https://storage.googleapis.com/syzbot-assets/4c2cb974500b/Image-15adb51c.gz.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email-masked]

------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 1 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 1 PID: 32265 Comm: syz-executor.0 Not tainted 6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000533023acac6c
x14: 00000000000000c5 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 1 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 1 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 00008852e20cd18e
x14: 00000000000000d7 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000ab5ac482fc58
x14: 0000000000000183 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000ad498c41c9f8
x14: 000000000000004b x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000affd51b303a0
x14: 00000000000002e3 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 1 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 1 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000b5ac98293636
x14: 0000000000000065 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 1 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 1 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 00008b82604c4172
x14: 0000000000000362 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 00000000fffffffa
x17: 6564207373657264 x16: 6461206c61757472 x15: 697620746120746c
x14: ffff80000a3ecc78 x13: 0000000000001e15 x12: 0000000000000a07
x11: 2073736572646461 x10: ffff80000a49cc78 x9 : 00000000ffffe000
x8 : ffff80000a3ecc78 x7 : ffff80000a49cc78 x6 : 0000000000000000
x5 : 0000000000017ff4 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffffd8a3bbf8
x14: 0000000000000365 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000b3ca2889c864
x14: 0000000000000141 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
__do_kernel_fault: 99256 callbacks suppressed
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 00000000fffffffa
x17: 6564207373657264 x16: 6461206c61757472 x15: 697620746120746c
x14: ffff80000a3ecc78 x13: 0000000000001f77 x12: 0000000000000a7d
x11: 2073736572646461 x10: ffff80000a49cc78 x9 : 00000000ffffe000
x8 : ffff80000a3ecc78 x7 : ffff80000a49cc78 x6 : 0000000000000000
x5 : ffff00007f9b8c88 x4 : 0000000000000000 x3 : ffff800075618000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 00000000fffffffa
x17: 6564207373657264 x16: 6461206c61757472 x15: 697620746120746c
x14: ffff80000a3ecc78 x13: 0000000000001fec x12: 0000000000000aa4
x11: 2073736572646461 x10: ffff80000a49cc78 x9 : 00000000ffffe000
x8 : ffff80000a3ecc78 x7 : ffff80000a49cc78 x6 : 0000000000000000
x5 : 0000000000017ff4 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 00000000fffffffa
x17: 6564207373657264 x16: 6461206c61757472 x15: 697620746120746c
x14: ffff80000a3ecc78 x13: 0000000000002061 x12: 0000000000000acb
x11: 2073736572646461 x10: ffff80000a49cc78 x9 : 00000000ffffe000
x8 : ffff80000a3ecc78 x7 : ffff80000a49cc78 x6 : 0000000000000000
x5 : ffff00007f9b8c88 x4 : 0000000000000000 x3 : ffff800075618000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 00000000fffffffa
x17: 6564207373657264 x16: 6461206c61757472 x15: 697620746120746c
x14: ffff80000a3ecc78 x13: 00000000000020d6 x12: 0000000000000af2
x11: 2073736572646461 x10: ffff80000a49cc78 x9 : 00000000ffffe000
x8 : ffff80000a3ecc78 x7 : ffff80000a49cc78 x6 : 0000000000000000
x5 : 0000000000017ff4 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 1 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 1 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000b1c3391c9aa8
x14: 0000000000000107 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 1 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 1 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000b4d06a69049c
x14: 00000000000003de x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 1 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 1 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000b26f97788cb8
x14: 00000000000000af x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 1 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 1 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 000093079324d7cc
x14: 00000000000002b1 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 1 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 1 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 00008d756c695530
x14: 00000000000002a4 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 1 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 1 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 00009e2fd39596e4
x14: 00000000000000f3 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
__do_kernel_fault: 69722 callbacks suppressed
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 00000000fffffffa
x17: 6564207373657264 x16: 6461206c61757472 x15: 697620746120746c
x14: ffff80000a3ecc78 x13: 000000000000240f x12: 0000000000000c05
x11: 2073736572646461 x10: ffff80000a49cc78 x9 : 00000000ffffe000
x8 : ffff80000a3ecc78 x7 : ffff80000a49cc78 x6 : 0000000000000000
x5 : ffff00007f9b8c88 x4 : 0000000000000000 x3 : ffff800075618000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000b5866e18f700
x14: 0000000000000059 x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffffd8a3bbf8
x14: 000000000000031c x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 00000000fffffffa
x17: 6564207373657264 x16: 6461206c61757472 x15: 697620746120746c
x14: ffff80000a3ecc78 x13: 000000000000256e x12: 0000000000000c7a
x11: 2073736572646461 x10: ffff80000a49cc78 x9 : 00000000ffffe000
x8 : ffff80000a3ecc78 x7 : ffff80000a49cc78 x6 : 0000000000000000
x5 : 0000000000017ff4 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000aca2bf38bce4
x14: 000000000000018e x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e290b
x8 : fdff000013f8de48 x7 : 0000000000000004 x6 : 0000000000000190
x5 : 00000000000f0510 x4 : 0000000000f0000f x3 : 000000000000ffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fdff000013f8cec0
Call trace:
 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
 do_bad_area arch/arm64/mm/fault.c:479 [inline]
 do_translation_fault+0x50/0xb8 arch/arm64/mm/fault.c:732
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:866
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 nfc_llcp_find_local net/nfc/llcp_core.c:286 [inline]
 nfc_llcp_unregister_device+0x34/0x10c net/nfc/llcp_core.c:1611
 nfc_unregister_device+0x74/0xb0 net/nfc/core.c:1179
 nci_unregister_device+0xb8/0xe8 net/nfc/nci/core.c:1303
 virtual_ncidev_close+0x1c/0x40 drivers/nfc/virtual_ncidev.c:163
 __fput+0x78/0x258 fs/file_table.c:321
 ____fput+0x10/0x1c fs/file_table.c:349
 task_work_run+0x6c/0xc4 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214/0x144c arch/arm64/kernel/signal.c:1304
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0xac/0xb0 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0xb8/0xbc arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address dead000000000110
WARNING: CPU: 0 PID: 32265 at arch/arm64/mm/fault.c:374 __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
Modules linked in:
CPU: 0 PID: 32265 Comm: syz-executor.0 Tainted: G        W          6.4.0-rc6-syzkaller-00035-g15adb51c04cc #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
lr : __do_kernel_fault+0x158/0x1c0 arch/arm64/mm/fault.c:374
sp : ffff80000afe39f0
x29: ffff80000afe39f0 x28: fdff000013f8cec0 x27: 0000000000000000
x26: 0000000045585401 x25: fdff000013f8daa0 x24: 0000000000000000
x23: 0000000080400009 x22: 0000000000000025 x21: dead000000000110
x20: ffff80000afe3ab0 x19: 0000000097c18004 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000ac4d78eac326
x14: 000000000000011b x13: ffff800009fbc5a8 x12: ffff80000a3bfef0
x11: 0000000000000001 x10: 2f4989d5c1644307 x9 : e1eebcc6241e2

---
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#syz undup