Re: Kernel BUG due to kernel page fault

From: Stanislaw Gruszka
Date: Fri Jan 27 2012 - 11:42:27 EST


On Thu, Jan 26, 2012 at 04:36:47PM -0600, Larry Finger wrote:
> Modules linked in: fuse autofs4 snd_pcm_oss snd_mixer_oss snd_seq
> snd_seq_device edd nfs nfsd lockd auth_rpcgss nfs_acl sunrpc
> exportfs ipv6 vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> RIP: 0010:[<ffffffff811e3ecb>] [<ffffffff811e3ecb>] strnlen+0xb/0x30
[snip]
> Call Trace:
> [<ffffffff811e58ae>] string.isra.4+0x3e/0xd0
> [<ffffffff811e6889>] vsnprintf+0x219/0x600
> [<ffffffff81153093>] seq_printf+0x53/0x80
> [<ffffffff811e21db>] ? radix_tree_lookup+0xb/0x10
> [<ffffffff810ba5ab>] show_interrupts+0x24b/0x300
> [<ffffffff81153474>] seq_read+0x2b4/0x3f0
> [<ffffffff811531c0>] ? seq_lseek+0x100/0x100
> [<ffffffff8118b651>] proc_reg_read+0x81/0xc0
> [<ffffffff8112f967>] vfs_read+0xa7/0x160
> [<ffffffff8112fa65>] sys_read+0x45/0x90
> [<ffffffff813a33a2>] system_call_fastpath+0x16/0x1b

This is call trace from cat /proc/interrupts, seems something pass
malformed string to request_irq(). I do not think this is rtlwifi,
rather that vbox thing.

Stanislaw
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