From: Hillf Danton <hdanton@sina.com>
To: syzbot <syzbot+c0dc46208750f063d0e0@syzkaller.appspotmail.com>
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [netfs?] kernel BUG in folio_unlock (3)
Date: Sat, 22 Feb 2025 07:35:41 +0800 [thread overview]
Message-ID: <20250221233542.2507-1-hdanton@sina.com> (raw)
In-Reply-To: <67b75198.050a0220.14d86d.02e2.GAE@google.com>
On Thu, 20 Feb 2025 08:00:24 -0800
> syzbot found the following issue on:
>
> HEAD commit: 6537cfb395f3 Merge tag 'sound-6.14-rc4' of git://git.kerne..
> git tree: upstream
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=141b4ba4580000
#syz test
--- x/fs/netfs/buffered_write.c
+++ y/fs/netfs/buffered_write.c
@@ -338,7 +338,7 @@ ssize_t netfs_perform_write(struct kiocb
folio_put(folio);
ret = filemap_write_and_wait_range(mapping, fpos, fpos + flen - 1);
if (ret < 0)
- goto error_folio_unlock;
+ break;
continue;
copied:
--
next prev parent reply other threads:[~2025-02-21 23:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-20 16:00 syzbot
2025-02-20 16:15 ` Matthew Wilcox
2025-02-20 22:05 ` Dominique Martinet
2025-02-21 23:35 ` Hillf Danton [this message]
2025-02-21 23:58 ` syzbot
2025-02-26 8:41 ` David Howells
2025-05-31 23:20 ` syzbot
2025-06-01 0:26 ` Matthew Wilcox
2025-06-11 14:08 ` Aleksandr Nogikh
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