From: "Theodore Tso" <tytso@mit.edu>
To: syzbot <syzbot+b0a0670332b6b3230a0a@syzkaller.appspotmail.com>
Cc: akpm@linux-foundation.org, linux-ext4@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, syzkaller-bugs@googlegroups.com,
willy@infradead.org
Subject: Re: [syzbot] [ext4?] WARNING in __folio_mark_dirty (3)
Date: Tue, 2 Dec 2025 08:25:45 -0500 [thread overview]
Message-ID: <20251202132545.GA86223@macsyma.lan> (raw)
In-Reply-To: <691f44bb.a70a0220.2ea503.0032.GAE@google.com>
On Thu, Nov 20, 2025 at 08:41:31AM -0800, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 23cb64fb7625 Merge tag 'soc-fixes-6.18-3' of git://git.ker..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1287997c580000
> kernel config: https://syzkaller.appspot.com/x/.config?x=38a0c4cddc846161
> dashboard link: https://syzkaller.appspot.com/bug?extid=b0a0670332b6b3230a0a
> compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=172cd658580000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15378484580000
Not reproducing locally, so let's see if Syzbot can reproduce in its environment....
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev
next prev parent reply other threads:[~2025-12-02 13:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-20 16:41 [syzbot] [ext4?] WARNING in __folio_mark_dirty (3) syzbot
2025-11-21 1:34 ` Forwarded: [PATCH] ext4: check folio uptodate state in ext4_page_mkwrite() syzbot
2025-11-21 10:44 ` syzbot
2025-11-21 11:52 ` syzbot
2025-11-21 12:41 ` syzbot
2025-11-21 18:11 ` [syzbot] [ext4?] WARNING in __folio_mark_dirty (3) Andrew Morton
2025-11-21 19:02 ` Matthew Wilcox
2025-11-21 19:14 ` Andrew Morton
2025-12-02 13:25 ` Theodore Tso [this message]
2025-12-02 13:47 ` syzbot
2025-12-05 4:54 ` Forwarded: [PATCH v3] ext4: unmap invalidated folios from page tables in mpage_release_unused_pages() syzbot
[not found] <20251121013443.84021-1-kartikey406@gmail.com>
2025-11-21 8:51 ` [syzbot] [ext4?] WARNING in __folio_mark_dirty (3) syzbot
[not found] <20251121104426.329600-1-kartikey406@gmail.com>
2025-11-21 11:32 ` syzbot
[not found] <20251121115221.330869-1-kartikey406@gmail.com>
2025-11-21 12:34 ` syzbot
[not found] <20251121124101.332104-1-kartikey406@gmail.com>
2025-11-21 13:11 ` syzbot
[not found] <20251205045415.1392139-1-kartikey406@gmail.com>
2025-12-05 5:33 ` syzbot
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