Re: possible deadlock in kill_fasync

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Desmond Cheong Zhi Xi

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Jul 2, 2021, 5:29:26 AM7/2/21
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#syz test:
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

Best,
Desmond
0002-fcntl-fix-potential-deadlock-for-fasync_struct.fa_lo.patch

syzbot

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Jul 2, 2021, 5:48:09 AM7/2/21
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Hello,

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

Reported-and-tested-by: syzbot+3e12e1...@syzkaller.appspotmail.com

Tested on:

commit: 3dbdb38e Merge branch 'for-5.14' of git://git.kernel.org/p..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=9bb75c670672b173
dashboard link: https://syzkaller.appspot.com/bug?extid=3e12e14ee01b675e1af2
compiler: Debian clang version 11.0.1-2
patch: https://syzkaller.appspot.com/x/patch.diff?x=16fcec80300000

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