Re: [syzbot] WARNING in do_mkdirat

From: syzbot
Date: Sat Dec 10 2022 - 02:24:27 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: { P4107 } 2635 jiffies s: 2829 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):


Tested on:

commit: 0d1409e4 Merge tag 'drm-fixes-2022-12-09' of git://ano..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=14f4750b880000
kernel config: https://syzkaller.appspot.com/x/.config?x=d58e7fe7f9cf5e24
dashboard link: https://syzkaller.appspot.com/bug?extid=919c5a9be8433b8bf201
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=1070ffdf880000