linux-kernel - Re: [syzbot] [ntfs3?] possible deadlock in ntfs_mark_rec

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Date: Fri, 17 May 2024 09:29:04 -0700
From: syzbot <syzbot+016b09736213e65d106e@...kaller.appspotmail.com>
To: almaz.alexandrovich@...agon-software.com, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, llvm@...ts.linux.dev, nathan@...nel.org, 
	ndesaulniers@...gle.com, ntfs3@...ts.linux.dev, 
	syzkaller-bugs@...glegroups.com, trix@...hat.com
Subject: Re: [syzbot] [ntfs3?] possible deadlock in ntfs_mark_rec_free (2)

syzbot has bisected this issue to:

commit e0f363a98830e8d7d70fbaf91c07ae0b7c57aafe
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Mon May 8 07:36:28 2023 +0000

    fs/ntfs3: Mark ntfs dirty when on-disk struct is corrupted

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1431b56c980000
start commit:   ea5f6ad9ad96 Merge tag 'platform-drivers-x86-v6.10-1' of g..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1631b56c980000
console output: https://syzkaller.appspot.com/x/log.txt?x=1231b56c980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=f59c50304274d557
dashboard link: https://syzkaller.appspot.com/bug?extid=016b09736213e65d106e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16340168980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=107e7f04980000

Reported-by: syzbot+016b09736213e65d106e@...kaller.appspotmail.com
Fixes: e0f363a98830 ("fs/ntfs3: Mark ntfs dirty when on-disk struct is corrupted")

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