linux-kernel - Re: [syzbot] [f2fs?] possible deadlock in f2fs_release

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Date:   Fri, 29 Sep 2023 19:42:30 -0700
From:   syzbot <syzbot+e5b81eaab292e00e7d98@...kaller.appspotmail.com>
To:     chao@...nel.org, hdanton@...a.com, jaegeuk@...nel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [f2fs?] possible deadlock in f2fs_release_file

syzbot suspects this issue was fixed by commit:

commit 5079e1c0c879311668b77075de3e701869804adf
Author: Chao Yu <chao@...nel.org>
Date:   Fri Jun 2 08:36:05 2023 +0000

    f2fs: avoid dead loop in f2fs_issue_checkpoint()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15f18a92680000
start commit:   b6dad5178cea Merge tag 'nios2_fix_v6.4' of git://git.kerne..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=ac246111fb601aec
dashboard link: https://syzkaller.appspot.com/bug?extid=e5b81eaab292e00e7d98
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13c50e17280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15a9558b280000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: f2fs: avoid dead loop in f2fs_issue_checkpoint()

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