linux-kernel - Re: [syzbot] [ntfs3?] INFO: task hung in ntfs_read

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Date:   Sat, 28 Oct 2023 10:05:05 -0700
From:   syzbot <syzbot+913093197c71922e8375@...kaller.appspotmail.com>
To:     almaz.alexandrovich@...agon-software.com,
        clang-built-linux@...glegroups.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?] INFO: task hung in ntfs_read_folio (2)

syzbot suspects this issue was fixed by commit:

commit bfbe5b31caa74ab97f1784fe9ade5f45e0d3de91
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Fri Jun 30 12:22:53 2023 +0000

    fs/ntfs3: fix deadlock in mark_as_free_ex

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14006f67680000
start commit:   bfa3037d8280 Merge tag 'fuse-update-6.5' of git://git.kern..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=a4507c291b5ab5d4
dashboard link: https://syzkaller.appspot.com/bug?extid=913093197c71922e8375
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15b8869ea80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=149e6072a80000

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

#syz fix: fs/ntfs3: fix deadlock in mark_as_free_ex

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