From: Jan Kara <jack@suse.cz>
To: syzbot <syzbot+4768a8f039aa677897d0@syzkaller.appspotmail.com>
Cc: almaz.alexandrovich@paragon-software.com, anton@tuxera.com,
axboe@kernel.dk, brauner@kernel.org, ghandatmanas@gmail.com,
gregkh@linuxfoundation.org, jack@suse.cz, linkinjeon@kernel.org,
linux-fsdevel@vger.kernel.org,
linux-kernel-mentees@lists.linuxfoundation.org,
linux-kernel@vger.kernel.org,
linux-ntfs-dev@lists.sourceforge.net, lkp@intel.com,
llvm@lists.linux.dev, ntfs3@lists.linux.dev,
oe-kbuild-all@lists.linux.dev, syzkaller-bugs@googlegroups.com,
syzkaller@googlegroups.com
Subject: Re: [syzbot] [ntfs3?] UBSAN: shift-out-of-bounds in ntfs_iget
Date: Wed, 6 Mar 2024 13:21:55 +0100 [thread overview]
Message-ID: <20240306122155.yr6lse3yyaduo2db@quack3> (raw)
In-Reply-To: <000000000000c5b2ae0612ef94a9@google.com>
On Tue 05-03-24 12:21:02, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
>
> commit 6f861765464f43a71462d52026fbddfc858239a5
> Author: Jan Kara <jack@suse.cz>
> Date: Wed Nov 1 17:43:10 2023 +0000
>
> fs: Block writes to mounted block devices
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12be09f2180000
> start commit: afead42fdfca Merge tag 'perf-tools-fixes-for-v6.4-2-2023-0..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=162cf2103e4a7453
> dashboard link: https://syzkaller.appspot.com/bug?extid=4768a8f039aa677897d0
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12da9bbd280000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=174e8115280000
>
> If the result looks correct, please mark the issue as fixed by replying with:
The reproducer is just mounting the fs so I'm not sure what's happening
there. But since there's no working repro and this is ntfs3:
#syz fix: fs: Block writes to mounted block devices
Honza
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
prev parent reply other threads:[~2024-03-06 12:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <0000000000000424f205fcf9a132@google.com>
2024-03-05 20:21 ` [syzbot] [ntfs3?] UBSAN: shift-out-of-bounds in ntfs_iget syzbot
2024-03-06 12:21 ` Jan Kara [this message]
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