Re: [syzbot] WARNING in iov_iter_revert (3)

syzbot
2022-11-29T07:00:36Z

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: { P4109 } 2690 jiffies s: 2793 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):

Tested on:

commit: b7b275e6 Linux 6.1-rc7
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=15ab6753880000
kernel config: https://syzkaller.appspot.com/x/.config?x=2325e409a9a893e1
dashboard link: https://syzkaller.appspot.com/bug?extid=8c7a4ca1cc31b7ce7070
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=100b6753880000