Re: [syzbot] KASAN: use-after-free Read in tctx_task_work (2)

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+9c3492b27d10dc49ffa6@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         923ffe35 Revert "io_uring: improve tctx_task_work() ct..
git tree:       https://github.com/isilence/linux.git syztest_ctx_tw
kernel config:  https://syzkaller.appspot.com/x/.config?x=cb4282936412304f
dashboard link: https://syzkaller.appspot.com/bug?extid=9c3492b27d10dc49ffa6
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1

Note: testing is done by a robot and is best-effort only.