Re: [syzbot] BUG: corrupted list in nfc_llcp_local_put

From: syzbot
Date: Sat Dec 31 2022 - 00:57:38 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: { P5546 } 2633 jiffies s: 2869 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):


Tested on:

commit: c8451c14 Merge tag 'acpi-6.2-rc2' of git://git.kernel...
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=1288e168480000
kernel config: https://syzkaller.appspot.com/x/.config?x=68e0be42c8ee4bb4
dashboard link: https://syzkaller.appspot.com/bug?extid=ecb2ae7b1add2a4120de
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=119703ca480000