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Message-ID: <20240603112705.hafr4gh5foxccw7f@quack3>
Date: Mon, 3 Jun 2024 13:27:05 +0200
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+42986aeeddfd7ed93c8b@...kaller.appspotmail.com>
Cc: brauner@...nel.org, jack@...e.cz, linux-ext4@...r.kernel.org,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] [ext4?] INFO: task hung in vfs_rmdir (2)
On Sun 02-06-24 20:50:18, syzbot wrote:
> syzbot found the following issue on:
>
> HEAD commit: 4a4be1ad3a6e Revert "vfs: Delete the associated dentry whe..
> git tree: upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=1466269a980000
> kernel config: https://syzkaller.appspot.com/x/.config?x=47d282ddffae809f
> dashboard link: https://syzkaller.appspot.com/bug?extid=42986aeeddfd7ed93c8b
> compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12a5b3ec980000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=103820f2980000
Based on strace (and also the reproducer) this looks purely in exfat
driver. So:
#syz set subsystems: exfat
Honza
--
Jan Kara <jack@...e.com>
SUSE Labs, CR
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