Re: [syzbot] BUG: corrupted list in nfc_llcp_register_device

From: syzbot
Date: Wed Dec 21 2022 - 10:02:34 EST


Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
INFO: rcu detected stall in corrupted

rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P5555 } 2640 jiffies s: 2765 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):


Tested on:

commit: b6bb9676 Merge tag 'm68knommu-for-v6.2' of git://git.k..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=136b095f880000
kernel config: https://syzkaller.appspot.com/x/.config?x=d3fb546de56fbf8d
dashboard link: https://syzkaller.appspot.com/bug?extid=c1d0a03d305972dbbe14
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=12bab1c8480000