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SubjectRe: [syzbot] [f2fs?] possible deadlock in f2fs_add_inline_entry
From
On 2023/8/24 23:55, syzbot wrote:
> syzbot has bisected this issue to:
>
> commit 5eda1ad1aaffdfebdecf7a164e586060a210f74f
> Author: Jaegeuk Kim <jaegeuk@kernel.org>
> Date: Wed Jun 28 08:00:56 2023 +0000
>
> f2fs: fix deadlock in i_xattr_sem and inode page lock
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=167691b7a80000
> start commit: cacc6e22932f tpm: Add a helper for checking hwrng enabled
> git tree: upstream
> final oops: https://syzkaller.appspot.com/x/report.txt?x=157691b7a80000
> console output: https://syzkaller.appspot.com/x/log.txt?x=117691b7a80000
> kernel config: https://syzkaller.appspot.com/x/.config?x=171b698bc2e613cf
> dashboard link: https://syzkaller.appspot.com/bug?extid=a4976ce949df66b1ddf1
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=103c6bb3a80000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17bb51c7a80000
>
> Reported-by: syzbot+a4976ce949df66b1ddf1@syzkaller.appspotmail.com
> Fixes: 5eda1ad1aaff ("f2fs: fix deadlock in i_xattr_sem and inode page lock")

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev

>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

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