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linux/drivers/media/pci
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Mauro Carvalho Chehab ac75fe5d8f [media] saa7134-alsa: Only frees registered sound cards 
That prevents this bug:
[ 2382.269496] BUG: unable to handle kernel NULL pointer dereference at 0000000000000540
[ 2382.270013] IP: [<ffffffffa01fe616>] snd_card_free+0x36/0x70 [snd]
[ 2382.270013] PGD 0
[ 2382.270013] Oops: 0002 [#1] SMP
[ 2382.270013] Modules linked in: saa7134_alsa(-) tda1004x saa7134_dvb videobuf2_dvb dvb_core tda827x tda8290 tuner saa7134 tveeprom videobuf2_dma_sg videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc tun bridge stp llc ebtables ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack it87 hwmon_vid snd_hda_codec_idt snd_hda_codec_generic iTCO_wdt iTCO_vendor_support snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_seq pcspkr i2c_i801 snd_seq_device snd_pcm snd_timer lpc_ich snd mfd_core soundcore binfmt_misc i915 video i2c_algo_bit drm_kms_helper drm r8169 ata_generic serio_raw pata_acpi mii i2c_core [last unloaded: videobuf2_memops]
[ 2382.270013] CPU: 0 PID: 4899 Comm: rmmod Not tainted 4.5.0-rc1+ #4
[ 2382.270013] Hardware name: PCCHIPS P17G/P17G, BIOS 080012  05/14/2008
[ 2382.270013] task: ffff880039c38000 ti: ffff88003c764000 task.ti: ffff88003c764000
[ 2382.270013] RIP: 0010:[<ffffffffa01fe616>]  [<ffffffffa01fe616>] snd_card_free+0x36/0x70 [snd]
[ 2382.270013] RSP: 0018:ffff88003c767ea0  EFLAGS: 00010286
[ 2382.270013] RAX: ffff88003c767eb8 RBX: 0000000000000000 RCX: 0000000000006260
[ 2382.270013] RDX: ffffffffa020a060 RSI: ffffffffa0206de1 RDI: ffff88003c767eb0
[ 2382.270013] RBP: ffff88003c767ed8 R08: 0000000000019960 R09: ffffffff811a5412
[ 2382.270013] R10: ffffea0000d7c200 R11: 0000000000000000 R12: ffff88003c767ea8
[ 2382.270013] R13: 00007ffe760617f7 R14: 0000000000000000 R15: 0000557625d7f1e0
[ 2382.270013] FS:  00007f80bb1c0700(0000) GS:ffff88003f400000(0000) knlGS:0000000000000000
[ 2382.270013] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 2382.270013] CR2: 0000000000000540 CR3: 000000003c00f000 CR4: 00000000000006f0
[ 2382.270013] Stack:
[ 2382.270013]  000000003c767ed8 ffffffff00000000 ffff880000000000 ffff88003c767eb8
[ 2382.270013]  ffff88003c767eb8 ffffffffa049a890 00007ffe76060060 ffff88003c767ef0
[ 2382.270013]  ffffffffa049889d ffffffffa049a500 ffff88003c767f48 ffffffff8111079c
[ 2382.270013] Call Trace:
[ 2382.270013]  [<ffffffffa049889d>] saa7134_alsa_exit+0x1d/0x780 [saa7134_alsa]
[ 2382.270013]  [<ffffffff8111079c>] SyS_delete_module+0x19c/0x1f0
[ 2382.270013]  [<ffffffff8170fc2e>] entry_SYSCALL_64_fastpath+0x12/0x71
[ 2382.270013] Code: 20 a0 48 c7 c6 e1 6d 20 a0 48 89 e5 41 54 53 4c 8d 65 d0 48 89 fb 48 83 ec 28 c7 45 d0 00 00 00 00 49 8d 7c 24 08 e8 7a 55 ed e0 <4c> 89 a3 40 05 00 00 48 89 df e8 eb fd ff ff 85 c0 75 1a 48 8d
[ 2382.270013] RIP  [<ffffffffa01fe616>] snd_card_free+0x36/0x70 [snd]
[ 2382.270013]  RSP <ffff88003c767ea0>
[ 2382.270013] CR2: 0000000000000540

Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2016-02-04 16:26:10 -02:00
..
b2c2 [media] pci: flexcop: Remove redundant pci_set_drvdata 2013-10-17 05:56:55 -03:00
bt8xx [media] dvb: modify core to implement interfaces/entities at MC new gen 2016-01-11 12:18:52 -02:00
cobalt [media] media: videobuf2: Move timestamp to vb2_buffer 2015-12-18 13:53:31 -02:00
cx18 [media] ivtv/cx18: fix inverted pixel aspect ratio 2015-12-18 13:30:18 -02:00
cx88 [media] media: videobuf2: Move timestamp to vb2_buffer 2015-12-18 13:53:31 -02:00
cx23885 [media] cx23885-dvb: move initialization of a8293_pdata 2015-12-18 15:20:44 -02:00
cx25821 [media] media: videobuf2: Move timestamp to vb2_buffer 2015-12-18 13:53:31 -02:00
ddbridge [media] dvb: modify core to implement interfaces/entities at MC new gen 2016-01-11 12:18:52 -02:00
dm1105 [media] dm1105: Remove unnecessary synchronize_irq() before free_irq() 2015-12-03 15:09:28 -02:00
dt3155 [media] media: videobuf2: Move timestamp to vb2_buffer 2015-12-18 13:53:31 -02:00
ivtv [media] ivtv/cx18: fix inverted pixel aspect ratio 2015-12-18 13:30:18 -02:00
mantis [media] mantis: Fix error handling in mantis_dma_init() 2015-08-19 07:04:55 -03:00
meye [media] meye: embed video_device 2015-04-02 23:35:01 -03:00
netup_unidvb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2016-01-14 17:04:19 -08:00
ngene [media] dvb: modify core to implement interfaces/entities at MC new gen 2016-01-11 12:18:52 -02:00
pluto2 [media] media_tree: Fix spelling errors 2013-12-09 14:50:50 -02:00
pt1 [media] dvb: Get rid of typedev usage for enums 2015-06-09 17:47:35 -03:00
pt3 [media] dvb: Get rid of typedev usage for enums 2015-06-09 17:47:35 -03:00
saa7134 [media] saa7134-alsa: Only frees registered sound cards 2016-02-04 16:26:10 -02:00
saa7146 [media] include/media: move driver interface headers to a separate dir 2015-11-17 06:57:29 -02:00
saa7164 various: fix pci_set_dma_mask return value checking 2015-11-20 16:17:32 -08:00
smipcie [media] SMI PCIe IR driver for DVBSky cards 2015-07-06 08:26:16 -03:00
solo6x10 [media] media: videobuf2: Move timestamp to vb2_buffer 2015-12-18 13:53:31 -02:00
sta2x11 [media] media: videobuf2: Move timestamp to vb2_buffer 2015-12-18 13:53:31 -02:00
ttpci [media] dvb: modify core to implement interfaces/entities at MC new gen 2016-01-11 12:18:52 -02:00
tw68 [media] media: videobuf2: Move timestamp to vb2_buffer 2015-12-18 13:53:31 -02:00
zoran [media] include/media: split I2C headers from V4L2 core 2015-11-17 06:57:11 -02:00
Kconfig [media] netup_unidvb: NetUP Universal DVB-S/S2/T/T2/C PCI-E card driver 2015-08-11 15:16:40 -03:00
Makefile [media] netup_unidvb: NetUP Universal DVB-S/S2/T/T2/C PCI-E card driver 2015-08-11 15:16:40 -03:00