linux-kernel - Re: [syzbot] [exfat?] INFO: task hung in exfat_write

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Date:   Wed, 29 Nov 2023 13:42:04 -0800
From:   syzbot <syzbot+2f73ed585f115e98aee8@...kaller.appspotmail.com>
To:     linkinjeon@...nel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, namjae.jeon@...sung.com,
        sj1557.seo@...sung.com, syzkaller-bugs@...glegroups.com,
        torvalds@...ux-foundation.org
Subject: Re: [syzbot] [exfat?] INFO: task hung in exfat_write_inode

syzbot has bisected this issue to:

commit 907fa893258ba6076f5fff32900a461decb9e8c5
Author: Namjae Jeon <namjae.jeon@...sung.com>
Date:   Thu May 21 23:10:10 2020 +0000

    exfat: add the dummy mount options to be backward compatible with staging/exfat

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=138aca9ae80000
start commit:   f9ff5644bcc0 Merge tag 'hsi-for-6.2' of git://git.kernel.o..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=104aca9ae80000
console output: https://syzkaller.appspot.com/x/log.txt?x=178aca9ae80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c163713cf9186fe7
dashboard link: https://syzkaller.appspot.com/bug?extid=2f73ed585f115e98aee8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11d6fe00480000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15d2fc63880000

Reported-by: syzbot+2f73ed585f115e98aee8@...kaller.appspotmail.com
Fixes: 907fa893258b ("exfat: add the dummy mount options to be backward compatible with staging/exfat")

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