From: Hillf Danton <hdanton@sina.com>
To: syzbot <syzbot+ec4b7d82bb051330f15a@syzkaller.appspotmail.com>
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [mm?] BUG: Bad page map (8)
Date: Sat, 20 Jul 2024 07:08:27 +0800 [thread overview]
Message-ID: <20240719230827.1693-1-hdanton@sina.com> (raw)
In-Reply-To: <000000000000341f5f061d8d6bcb@google.com>
On Thu, 18 Jul 2024 15:51:26 -0700
> syzbot found the following issue on:
>
> HEAD commit: 4d145e3f830b Merge tag 'i2c-for-6.10-rc8' of git://git.ker..
> git tree: upstream
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1366ab85980000
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 4d145e3f830b
--- x/mm/truncate.c
+++ y/mm/truncate.c
@@ -192,6 +192,7 @@ int truncate_inode_folio(struct address_
return -EIO;
truncate_cleanup_folio(folio);
+ BUG_ON(folio_mapped(folio));
filemap_remove_folio(folio);
return 0;
}
--
next prev parent reply other threads:[~2024-07-19 23:08 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-18 22:51 [syzbot] [mm?] BUG: Bad page map (8) syzbot
2024-07-19 11:07 ` Hillf Danton
2024-07-19 11:44 ` syzbot
2024-07-19 11:21 ` David Hildenbrand
2024-07-20 5:02 ` Hillf Danton
2024-07-20 6:30 ` Kasireddy, Vivek
2024-07-22 13:23 ` David Hildenbrand
2024-07-19 13:00 ` Hillf Danton
2024-07-19 13:14 ` syzbot
2024-07-19 23:08 ` Hillf Danton [this message]
2024-07-19 23:21 ` syzbot
2024-07-20 6:32 ` Kasireddy, Vivek
2024-07-20 7:01 ` syzbot
2024-07-23 10:37 ` Hillf Danton
2024-07-23 10:52 ` syzbot
2024-09-30 0:02 ` syzbot
2024-09-30 13:52 ` Matthew Wilcox
2024-12-27 17:02 ` syzbot
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