Re: 2.6.26-rc1 oops on boot -- cs423x?

From: Andrew Morton
Date: Wed Jul 30 2008 - 05:58:34 EST


On Tue, 29 Jul 2008 14:51:57 -0400 (EDT) Pete Clements <clem@xxxxxxxxxxxxxxxxxxxxx> wrote:

> Missed most of the 26-git series, git6 first one tried and oops
> showed in that one as well as those tried after. oops below.
>
> --
> Pete Clements
>
> pnp: the driver 'cs4236_isapnp' has been registered
> cs4236_isapnp 01:01.00: driver attached
> cs4236_isapnp 01:01.02: driver attached
> cs4236_isapnp 01:01.00: pnp_assign_resources, try dependent set 0
> cs4236_isapnp 01:01.00: add dma 1 flags 0x40000028
> cs4236_isapnp 01:01.00: add dma 3 flags 0x40000028
> cs4236_isapnp 01:01.00: add irq 5 flags 0x40000001
> cs4236_isapnp 01:01.00: add io 0x534-0x537 flags 0x40000001
> cs4236_isapnp 01:01.00: add io 0x388-0x38b flags 0x40000001
> cs4236_isapnp 01:01.00: add io 0x220-0x22f flags 0x40000001
> cs4236_isapnp 01:01.00: pnp_assign_resources succeeded: current resources:
> cs4236_isapnp 01:01.00: dma 1 flags 0x40000828
> cs4236_isapnp 01:01.00: dma 1 flags 0x40000828 dma 3 flags 0x40000828
> cs4236_isapnp 01:01.00: dma 1 flags 0x40000828 dma 3 flags 0x40000828 irq 5 flags 0x40000401
> cs4236_isapnp 01:01.00: dma 1 flags 0x40000828 dma 3 flags 0x40000828 irq 5 flags 0x40000401 io 0x534-0x537 flags 0x40000101
> cs4236_isapnp 01:01.00: dma 1 flags 0x40000828 dma 3 flags 0x40000828 irq 5 flags 0x40000401 io 0x534-0x537 flags 0x40000101 io 0x388-0x38b fla
> ------------[ cut here ]------------
> WARNING: at lib/vsprintf.c:609 vsnprintf+0x6c7/0x6d0()
> Modules linked in: snd_cs4236(+) snd_opl3_lib snd_seq_dummy snd_hwdep snd_cs4236_lib snd_mpu401_uart snd_seq_oss(+) snd_seq_midi snd_seq_midi_event snd_seq snd_rawmidi snd_seq_device snd_cs4231_lib snd_pcm_oss snd_mixer_oss snd_pcm snd_timer uhci_hcd snd i2c_piix4 usbcore soundcore sg snd_page_alloc 3c59x i2c_core mii
> Pid: 1885, comm: modprobe Not tainted 2.6.27-rc1 #1
> [<c011f621>] warn_on_slowpath+0x61/0xa0
> [<c011a017>] __dequeue_entity+0x57/0xd0
> [<c011684d>] update_curr+0x4d/0x70
> [<c011a18d>] pick_next_task_fair+0x8d/0x100
> [<c01e17b7>] string+0x27/0xc0
> [<c01e1c09>] vsnprintf+0x3b9/0x6d0
> [<c01e1177>] number+0x2a7/0x2b0
> [<c01e17b7>] string+0x27/0xc0
> [<c01e1f17>] vsnprintf+0x6c7/0x6d0
> [<c01dc4c0>] idr_get_new_above_int+0x10/0x80
> [<c0136601>] up+0x11/0x40
> [<c011fe6e>] release_console_sem+0x19e/0x1d0
> [<c01dc8d3>] idr_remove+0x173/0x1d0
> [<c01a442d>] xlate_proc_name+0x3d/0xc0
> [<c01e1fab>] snprintf+0x1b/0x20
> [<c01fca09>] dbg_pnp_show_resources+0x129/0x220
> [<c01fbc2e>] pnp_assign_resources+0x18e/0x850
> [<c017f16d>] iput+0x1d/0x50
> [<c01ac33a>] sysfs_addrm_finish+0x3a/0x1f0
> [<c02e18ee>] klist_node_init+0x2e/0x50
> [<c01fc347>] pnp_auto_config_dev+0x57/0xb0
> [<c01f9dfe>] pnp_request_card_device+0xbe/0xf0
> [<c01fc3bf>] pnp_activate_dev+0x1f/0x50
> [<f88ce50c>] snd_cs423x_pnpc_detect+0x11f/0x3b4 [snd_cs4236]
> [<c01f9c0a>] card_probe+0xea/0x170
> [<c01f9d2e>] pnp_register_card_driver+0x9e/0xb0
> [<f8839027>] alsa_card_cs423x_init+0x27/0x49 [snd_cs4236]
> [<c0140d46>] sys_init_module+0x136/0x1920
> [<c0124f50>] __request_region+0x0/0xd0
> [<c0103026>] syscall_call+0x7/0xb
> =======================

I would say that dbg_pnp_show_resources() is passing a negative `size'
into snprintf().


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