Subject: [syzbot] [netfilter?] bpf test error: WARNING: suspicious RCU usage in corrupted

From: syzbot <[email-masked]>
Date: Fri, 28 Jun 2024 11:38:21 -0700

Hello,

syzbot found the following issue on:

HEAD commit:    7e9f79428372 xdp: Remove WARN() from __xdp_reg_mem_model()
git tree:       bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=16956dea980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1437ab35b9d90e65
dashboard link: https://syzkaller.appspot.com/bug?extid=784a3db26e5409459be4
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ca96920a98d8/disk-7e9f7942.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/24f81a5f5d0b/vmlinux-7e9f7942.xz
kernel image: https://storage.googleapis.com/syzbot-assets/31b888945299/bzImage-7e9f7942.xz

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

=============================
WARNING: suspicious RCU usage
6.10.0-rc3-syzkaller-00138-g7e9f79428372 #0 Not tainted
-----------------------------
net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage!

other info that might help us debug this:

rcu_scheduler

---
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