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Code Issues Releases Packages Activity
linux/drivers/media/rc
History
Sean Young 73fd91290c media: rc: cec devices do not have a lirc chardev 
commit e5bb9d3d75 upstream.

This fixes an oops in ir_lirc_scancode_event().

BUG: unable to handle kernel NULL pointer dereference at 0000000000000038
PGD 0 P4D 0
Oops: 0000 [#1] SMP PTI
CPU: 9 PID: 27687 Comm: kworker/9:2 Tainted: P           OE 4.18.12-200.fc28.x86_64 #1
Hardware name: Supermicro C7X99-OCE-F/C7X99-OCE-F, BIOS 2.1a 06/15/2018
Workqueue: events pulse8_irq_work_handler [pulse8_cec]
RIP: 0010:ir_lirc_scancode_event+0x3d/0xb0 [rc_core]
Code: 8d ae b4 07 00 00 49 81 c6 b8 07 00 00 53 e8 4a df c3 d5 48 89 ef 49 89 45 00 e8 4e 84 41 d6 49 8b 1e 49 89 c4 4c 39 f3 74 58 <8b> 43 38 8b 53 40 89 c1 2b 4b 3c 39 ca 72 41 21 d0 49 8b 7d 00 49
RSP: 0018:ffffaa10e3c07d58 EFLAGS: 00010017
RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000018
RDX: 0000000000000001 RSI: 00316245397fa93c RDI: ffff966d31c8d7b4
RBP: ffff966d31c8d7b4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: ffffaa10e3c07e28 R12: 0000000000000002
R13: ffffaa10e3c07d88 R14: ffff966d31c8d7b8 R15: 0000000000000073
FS:  0000000000000000(0000) GS:ffff966d3f440000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000038 CR3: 00000009d820a003 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ir_do_keydown+0x75/0x260 [rc_core]
 rc_keydown+0x54/0xc0 [rc_core]
 cec_received_msg_ts+0xaa8/0xaf0 [cec]
 process_one_work+0x1a1/0x350
 worker_thread+0x30/0x380
 ? pwq_unbound_release_workfn+0xd0/0xd0
 kthread+0x112/0x130
 ? kthread_create_worker_on_cpu+0x70/0x70
 ret_from_fork+0x35/0x40
Modules linked in: rc_tt_1500 dvb_usb_dvbsky dvb_usb_v2 uas usb_storage fuse vhost_net vhost tap xt_CHECKSUM iptable_mangle ip6t_REJECT nf_reject_ipv6 tun 8021q garp mrp xt_nat macvlan xfs devlink ebta
 si2157 si2168 cx25840 cx23885 kvm altera_ci tda18271 joydev ir_rc6_decoder rc_rc6_mce crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_uncore altera_stapl m88ds3103 tveeprom cx2341
 mxm_wmi igb crc32c_intel megaraid_sas dca i2c_algo_bit wmi vfio_pci irqbypass vfio_virqfd vfio_iommu_type1 vfio i2c_dev
CR2: 0000000000000038

Cc: <stable@vger.kernel.org> # v4.16+
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2019-01-09 17:46:01 +01:00
..
img-ir media: img-ir: Drop METAG dependency 2018-03-05 16:34:25 +00:00
keymaps media: rc: nec keymaps should specify the nec variant they use 2018-10-04 14:15:56 -04:00
ati_remote.c media: use strscpy() instead of strlcpy() 2018-09-11 13:32:17 -04:00
bpf-lirc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-08-07 11:02:05 -07:00
ene_ir.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
ene_ir.h [media] media: Drop FSF's postal address from the source code files 2017-01-27 11:38:09 -02:00
fintek-cir.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
fintek-cir.h [media] media: Drop FSF's postal address from the source code files 2017-01-27 11:38:09 -02:00
gpio-ir-recv.c [media] media: rc: fix gpio-ir-receiver build failure 2017-10-05 10:16:21 -03:00
gpio-ir-tx.c media: rc: gpio-ir-tx: use ktime accessor functions 2017-08-31 05:35:54 -04:00
igorplugusb.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
iguanair.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
imon.c media: imon: rename protocol from other to imon 2018-03-21 11:13:15 -04:00
imon_raw.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
ir-hix5hd2.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
ir-imon-decoder.c media: rc: imon: report mouse events using rc-core's input device 2018-10-05 06:55:08 -04:00
ir-jvc-decoder.c media: rc: set timeout to smallest value required by enabled protocols 2018-04-20 09:14:31 -04:00
ir-mce_kbd-decoder.c media: rc: mce_kbd: input events via rc-core's input device 2018-10-05 06:56:24 -04:00
ir-nec-decoder.c media: rc: set timeout to smallest value required by enabled protocols 2018-04-20 09:14:31 -04:00
ir-rc5-decoder.c media: rc: decoders do not need to check for transitions 2018-05-14 07:16:24 -04:00
ir-rc6-decoder.c media: rc: ir-rc6-decoder: enable toggle bit for Kathrein RCU-676 remote 2018-10-04 14:23:41 -04:00
ir-rx51.c ARM: OMAP2+: Drop unused pm-noop 2018-04-16 10:22:40 -07:00
ir-sanyo-decoder.c media: rc: set timeout to smallest value required by enabled protocols 2018-04-20 09:14:31 -04:00
ir-sharp-decoder.c media: rc: set timeout to smallest value required by enabled protocols 2018-04-20 09:14:31 -04:00
ir-sony-decoder.c media: rc: set timeout to smallest value required by enabled protocols 2018-04-20 09:14:31 -04:00
ir-spi.c media: rc: ir-spi: update Andi's e-mail 2018-04-20 09:23:28 -04:00
ir-xmp-decoder.c media: rc: set timeout to smallest value required by enabled protocols 2018-04-20 09:14:31 -04:00
ite-cir.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
ite-cir.h media: rc: ite-cir: lower timeout and extend allowed timeout range 2018-05-14 07:17:28 -04:00
Kconfig media updates for v4.18-rc1 2018-06-07 12:34:37 -07:00
lirc_dev.c media updates for v4.18-rc1 2018-06-07 12:34:37 -07:00
Makefile media: rc: introduce BPF_PROG_LIRC_MODE2 2018-05-30 12:38:40 +02:00
mceusb.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
meson-ir.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
mtk-cir.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
nuvoton-cir.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
nuvoton-cir.h media: rc: nuvoton: remove rudimentary transmit functionality 2017-08-20 09:47:57 -04:00
pwm-ir-tx.c media: rc: pwm-ir-tx: add new driver 2017-08-20 09:46:18 -04:00
rc-core-priv.h media: rc: mce_kbd: input events via rc-core's input device 2018-10-05 06:56:24 -04:00
rc-ir-raw.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
rc-loopback.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
rc-main.c media: rc: cec devices do not have a lirc chardev 2019-01-09 17:46:01 +01:00
redrat3.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
serial_ir.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
sir_ir.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
st_rc.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
streamzap.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
sunxi-cir.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
tango-ir.c media: rc: Add driver for tango HW IR decoder 2017-10-11 12:41:08 -04:00
ttusbir.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
winbond-cir.c media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros 2018-10-04 14:22:27 -04:00
zx-irdec.c media: rc: rename RC_TYPE_* to RC_PROTO_* and RC_BIT_* to RC_PROTO_BIT_* 2017-08-20 10:02:48 -04:00