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

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Date:   Fri, 28 Jul 2023 23:45:40 -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 has bisected this issue to:

commit 6e5be40d32fb1907285277c02e74493ed43d77fe
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Fri Aug 13 14:21:30 2021 +0000

    fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17a1cbd9a80000
start commit:   bfa3037d8280 Merge tag 'fuse-update-6.5' of git://git.kern..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1461cbd9a80000
console output: https://syzkaller.appspot.com/x/log.txt?x=1061cbd9a80000
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

Reported-by: syzbot+913093197c71922e8375@...kaller.appspotmail.com
Fixes: 6e5be40d32fb ("fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile")

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