From: Vinod Koul <vinod.koul@intel.com>
To: Pradeep Tewani <pradeep.d.tewani@intel.com>
Cc: alsa-devel@alsa-project.org, tiwai@suse.de, lgirdwood@gmail.com,
patches.audio@intel.com, broonie@kernel.org,
fengguang.wu@intel.com
Subject: Re: [PATCH] ASoC: Intel: board: Fix missing sentinel for bxt_board_id
Date: Tue, 25 Jul 2017 12:07:52 +0530 [thread overview]
Message-ID: <20170725063752.GA3053@localhost> (raw)
In-Reply-To: <1500964186-25956-1-git-send-email-pradeep.d.tewani@intel.com>
On Tue, Jul 25, 2017 at 11:59:46AM +0530, Pradeep Tewani wrote:
> Without a sentinel in the array of platform devices, we can get a panic
> so add a sentinel. Full stack dump below:
>
> [ 231.564705] BUG: KASAN: global-out-of-bounds in platform_match+0xb0/0x146
> [ 231.565500] Read of size 1 at addr ffffffff8380a1a0 by task swapper/0/1
> [ 231.566280]
> [ 231.566594] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.12.0-00289-g152771f #1
> [ 231.567526] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
> [ 231.568730] Call Trace:
> [ 231.569128] dump_stack+0xf8/0x14a
> [ 231.569615] print_address_description+0x57/0x1e4
> [ 231.570216] ? driver_probe_device+0x814/0x814
> [ 231.570798] kasan_report+0x1cb/0x1eb
> [ 231.571302] ? platform_match+0xb0/0x146
> [ 231.571833] __asan_load1+0x45/0x47
> [ 231.572324] platform_match+0xb0/0x146
> [ 231.572843] ? platform_uevent+0x73/0x73
> [ 231.573370] __driver_attach+0x47/0x16a
> [ 231.573890] bus_for_each_dev+0x11a/0x15c
> [ 231.574422] ? bus_remove_file+0x57/0x57
> [ 231.574951] ? do_raw_spin_unlock+0xc3/0xe0
> [ 231.575501] driver_attach+0x2b/0x2e
> [ 231.576002] bus_add_driver+0x25e/0x3c5
> [ 231.576520] ? set_debug_rodata+0x20/0x20
> [ 231.584776] driver_register+0x13e/0x19d
> [ 231.585305] __platform_driver_register+0x6c/0x71
> [ 231.585908] ? skl_driver_init+0x20/0x20
> [ 231.586436] broxton_audio_init+0x17/0x19
> [ 231.586976] do_one_initcall+0x11a/0x221
> [ 231.587499] ? start_kernel+0x525/0x525
> [ 231.588020] ? lock_downgrade+0x281/0x2ec
> [ 231.588557] ? trace_hardirqs_on_caller+0x223/0x267
> [ 231.589169] ? _raw_spin_unlock_irqrestore+0x49/0x55
> [ 231.589791] ? set_debug_rodata+0x20/0x20
> [ 231.590324] kernel_init_freeable+0x1fd/0x2b0
> [ 231.590891] ? rest_init+0x17c/0x17c
> [ 231.591384] kernel_init+0x11/0x157
> [ 231.591876] ? rest_init+0x17c/0x17c
> [ 231.592371] ret_from_fork+0x2a/0x40
> [ 231.592865]
> [ 231.593166] The buggy address belongs to the variable:
> [ 231.593806] bxt_board_ids+0x40/0x9e0
Acked-By: Vinod Koul <vinod.koul@intel.com>
--
~Vinod
next prev parent reply other threads:[~2017-07-25 6:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-25 6:29 [PATCH] ASoC: Intel: board: Fix missing sentinel for bxt_board_id Pradeep Tewani
2017-07-25 6:37 ` Vinod Koul [this message]
2017-07-26 12:02 ` Mark Brown
2017-07-26 14:16 ` Applied "ASoC: Intel: board: Fix missing sentinel for bxt_board_id" to the asoc tree Mark Brown
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