From: Alexander Beregalov <a.beregalov@gmail.com>
To: zbr@ioremap.net,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
jens.axboe@oracle.com
Subject: 2.6.32-rc8: pohmelfs: NULL pointer dereference
Date: Wed, 2 Dec 2009 04:11:52 +0300 [thread overview]
Message-ID: <a4423d670912011711s584f46d2y8a583618abe4a620@mail.gmail.com> (raw)
Hi
BUG: unable to handle kernel NULL pointer dereference at 000000b8
IP: [<c10a96f9>] bdi_queue_work+0x9/0xa0
[<c10a97e6>] ? sync_inodes_sb+0x46/0x120
[<c13cbafd>] ? printk+0x18/0x1b
[<f840d8cb>] ? pohmelfs_kill_super+0xb/0x20 [pohmelfs]
[<c1090b8a>] ? deactivate_locked_super+0x4a/0x70
[<c1090ccf>] ? get_sb_nodev+0x6f/0x80
[<f840d8fc>] ? pohmelfs_get_sb+0x1c/0x20 [pohmelfs]
[<f840e120>] ? pohmelfs_fill_super+0x0/0x530 [pohmelfs]
[<c108fe50>] ? vfs_kern_mount+0x40/0xd0
The problem is that pohmelfs_fill_super() does not set sb->s_bdi.
Behavior was changed by
b6e51316da writeback: separate starting of sync vs opportunistic writeback
d8a8559cd7 writeback: get rid of generic_sync_sb_inodes() export
next reply other threads:[~2009-12-02 1:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-02 1:11 Alexander Beregalov [this message]
2009-12-02 22:23 ` Evgeniy Polyakov
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