From: patchwork-bot+netdevbpf@kernel•org
To: Zqiang <qiang.zhang@linux•dev>
Cc: oneukum@suse•com, andrew+netdev@lunn•ch, davem@davemloft•net,
edumazet@google•com, kuba@kernel•org, pabeni@redhat•com,
netdev@vger•kernel.org
Subject: Re: [PATCH v2] usbnet: Fix using smp_processor_id() in preemptible code warnings
Date: Tue, 14 Oct 2025 10:10:06 +0000 [thread overview]
Message-ID: <176043660626.3630052.547487952463753685.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20251011070518.7095-1-qiang.zhang@linux.dev>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat•com>:
On Sat, 11 Oct 2025 15:05:18 +0800 you wrote:
> Syzbot reported the following warning:
>
> BUG: using smp_processor_id() in preemptible [00000000] code: dhcpcd/2879
> caller is usbnet_skb_return+0x74/0x490 drivers/net/usb/usbnet.c:331
> CPU: 1 UID: 0 PID: 2879 Comm: dhcpcd Not tainted 6.15.0-rc4-syzkaller-00098-g615dca38c2ea #0 PREEMPT(voluntary)
> Call Trace:
> <TASK>
> __dump_stack lib/dump_stack.c:94 [inline]
> dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
> check_preemption_disabled+0xd0/0xe0 lib/smp_processor_id.c:49
> usbnet_skb_return+0x74/0x490 drivers/net/usb/usbnet.c:331
> usbnet_resume_rx+0x4b/0x170 drivers/net/usb/usbnet.c:708
> usbnet_change_mtu+0x1be/0x220 drivers/net/usb/usbnet.c:417
> __dev_set_mtu net/core/dev.c:9443 [inline]
> netif_set_mtu_ext+0x369/0x5c0 net/core/dev.c:9496
> netif_set_mtu+0xb0/0x160 net/core/dev.c:9520
> dev_set_mtu+0xae/0x170 net/core/dev_api.c:247
> dev_ifsioc+0xa31/0x18d0 net/core/dev_ioctl.c:572
> dev_ioctl+0x223/0x10e0 net/core/dev_ioctl.c:821
> sock_do_ioctl+0x19d/0x280 net/socket.c:1204
> sock_ioctl+0x42f/0x6a0 net/socket.c:1311
> vfs_ioctl fs/ioctl.c:51 [inline]
> __do_sys_ioctl fs/ioctl.c:906 [inline]
> __se_sys_ioctl fs/ioctl.c:892 [inline]
> __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
> do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
> do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
>
> [...]
Here is the summary with links:
- [v2] usbnet: Fix using smp_processor_id() in preemptible code warnings
https://git.kernel.org/netdev/net/c/327cd4b68b43
You are awesome, thank you!
--
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prev parent reply other threads:[~2025-10-14 10:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-11 7:05 [PATCH v2] usbnet: Fix using smp_processor_id() in preemptible code warnings Zqiang
2025-10-14 10:10 ` patchwork-bot+netdevbpf [this message]
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