usbcore: registered new interface driver spca501
usbcore: registered new interface driver spca505
usbcore: registered new interface driver spca506
usbcore: registered new interface driver spca508
usbcore: registered new interface driver spca561
usbcore: registered new interface driver spca1528
usbcore: registered new interface driver sq905
usbcore: registered new interface driver sq905c
usbcore: registered new interface driver sq930x
usbcore: registered new interface driver sunplus
usbcore: registered new interface driver stk014
usbcore: registered new interface driver stk1135
usbcore: registered new interface driver stv0680
usbcore: registered new interface driver t613
usbcore: registered new interface driver gspca_topro
usbcore: registered new interface driver touptek
usbcore: registered new interface driver tv8532
usbcore: registered new interface driver vc032x
usbcore: registered new interface driver vicam
usbcore: registered new interface driver xirlink-cit
usbcore: registered new interface driver gspca_zc3xx
usbcore: registered new interface driver ALi m5602
usbcore: registered new interface driver STV06xx
usbcore: registered new interface driver gspca_gl860
usbcore: registered new interface driver hackrf
usbcore: registered new interface driver msi2500
usbcore: registered new interface driver Philips webcam
usbcore: registered new interface driver uvcvideo
au0828: au0828 driver loaded
usbcore: registered new interface driver au0828
cpia2: V4L-Driver for Vision CPiA2 based cameras v3.0.1
usbcore: registered new interface driver cpia2
usbcore: registered new interface driver cx231xx
usbcore: registered new interface driver em28xx
em28xx: Registered (Em28xx v4l2 Extension) extension
em28xx: Registered (Em28xx Audio Extension) extension
em28xx: Registered (Em28xx dvb Extension) extension
em28xx: Registered (Em28xx Input Extension) extension
usbcore: registered new interface driver go7007
usbcore: registered new interface driver go7007-loader
usbcore: registered new interface driver hdpvr
usbcore: registered new interface driver pvrusb2
pvrusb2: V4L in-tree version:Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner
pvrusb2: Debug mask is 31 (0x1f)
usbcore: registered new interface driver stk1160
usbcore: registered new interface driver tm6000
usbcore: registered new interface driver usbtv
dvbdev: DVB: registering new adapter (dvb_vidtv_bridge)
i2c i2c-0: DVB: registering adapter 0 frontend 0 (Dummy demod for DVB-T/T2/C/S/S2)...
dvbdev: dvb_create_media_entity: media entity 'Dummy demod for DVB-T/T2/C/S/S2' registered.
BUG: unable to handle page fault for address: 0000088142150118
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0
Oops: 0002 [#1] PREEMPT SMP
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc1-syzkaller-00017-g3cc40a443a04 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:arch_atomic64_try_cmpxchg arch/x86/include/asm/atomic64_64.h:190 [inline]
RIP: 0010:arch_atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-long.h:443 [inline]
RIP: 0010:atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1781 [inline]
RIP: 0010:__mutex_trylock_fast kernel/locking/mutex.c:171 [inline]
RIP: 0010:mutex_lock+0x14/0x30 kernel/locking/mutex.c:285
Code: 84 00 00 00 00 00 be 02 00 00 00 e9 86 f8 ff ff 66 0f 1f 44 00 00 55 48 89 fd 2e 2e 2e 31 c0 31 c0 65 48 8b 14 25 80 ad 01 00 <f0> 48 0f b1 55 00 75 02 5d c3 48 89 ef 5d eb cc 66 66 2e 0f 1f 84
RSP: 0000:ffffc90000273b68 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000088142150000 RCX: 0000000000000000
RDX: ffff888101818040 RSI: ffffffff83098e65 RDI: 0000088142150118
RBP: 0000088142150118 R08: 0000000000000003 R09: 00000000000001ff
R10: 0000000000000001 R11: 000000000002f8b8 R12: 0000088142150118
R13: ffff888141355500 R14: ffff88814120b000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000088142150118 CR3: 0000000005a29000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
media_entity_pads_init+0x64/0x1d0 drivers/media/mc/mc-entity.c:205
dvb_create_tsout_entity drivers/media/dvb-core/dvbdev.c:271 [inline]
dvb_create_tsout_entity+0x149/0x190 drivers/media/dvb-core/dvbdev.c:243
dvb_create_media_entity drivers/media/dvb-core/dvbdev.c:301 [inline]
dvb_register_media_device drivers/media/dvb-core/dvbdev.c:394 [inline]
dvb_register_device+0x291/0x7d0 drivers/media/dvb-core/dvbdev.c:514
dvb_dmxdev_init+0x144/0x200 drivers/media/dvb-core/dmxdev.c:1425
vidtv_bridge_dmxdev_init drivers/media/test-drivers/vidtv/vidtv_bridge.c:337 [inline]
vidtv_bridge_dvb_init drivers/media/test-drivers/vidtv/vidtv_bridge.c:439 [inline]
vidtv_bridge_probe+0x3bc/0x4d0 drivers/media/test-drivers/vidtv/vidtv_bridge.c:508
platform_probe+0x81/0x120 drivers/base/platform.c:1400
call_driver_probe drivers/base/dd.c:530 [inline]
really_probe+0x12d/0x390 drivers/base/dd.c:609
__driver_probe_device+0xbf/0x140 drivers/base/dd.c:748
driver_probe_device+0x2a/0x120 drivers/base/dd.c:778
__driver_attach drivers/base/dd.c:1150 [inline]
__driver_attach+0xe6/0x1f0 drivers/base/dd.c:1099
bus_for_each_dev+0xa9/0x100 drivers/base/bus.c:301
bus_add_driver+0x214/0x290 drivers/base/bus.c:618
driver_register+0xc3/0x150 drivers/base/driver.c:240
vidtv_bridge_init+0x37/0x64 drivers/media/test-drivers/vidtv/vidtv_bridge.c:600
do_one_initcall+0x5e/0x2e0 init/main.c:1296
do_initcall_level init/main.c:1369 [inline]
do_initcalls init/main.c:1385 [inline]
do_basic_setup init/main.c:1404 [inline]
kernel_init_freeable+0x255/0x2cf init/main.c:1611
kernel_init+0x1a/0x1c0 init/main.c:1500
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
</TASK>
Modules linked in:
CR2: 0000088142150118
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_atomic64_try_cmpxchg arch/x86/include/asm/atomic64_64.h:190 [inline]
RIP: 0010:arch_atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-long.h:443 [inline]
RIP: 0010:atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1781 [inline]
RIP: 0010:__mutex_trylock_fast kernel/locking/mutex.c:171 [inline]
RIP: 0010:mutex_lock+0x14/0x30 kernel/locking/mutex.c:285
Code: 84 00 00 00 00 00 be 02 00 00 00 e9 86 f8 ff ff 66 0f 1f 44 00 00 55 48 89 fd 2e 2e 2e 31 c0 31 c0 65 48 8b 14 25 80 ad 01 00 <f0> 48 0f b1 55 00 75 02 5d c3 48 89 ef 5d eb cc 66 66 2e 0f 1f 84
RSP: 0000:ffffc90000273b68 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000088142150000 RCX: 0000000000000000
RDX: ffff888101818040 RSI: ffffffff83098e65 RDI: 0000088142150118
RBP: 0000088142150118 R08: 0000000000000003 R09: 00000000000001ff
R10: 0000000000000001 R11: 000000000002f8b8 R12: 0000088142150118
R13: ffff888141355500 R14: ffff88814120b000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000088142150118 CR3: 0000000005a29000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 84 00 test %al,(%rax)
2: 00 00 add %al,(%rax)
4: 00 00 add %al,(%rax)
6: be 02 00 00 00 mov $0x2,%esi
b: e9 86 f8 ff ff jmpq 0xfffff896
10: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
16: 55 push %rbp
17: 48 89 fd mov %rdi,%rbp
1a: 2e 2e 2e 31 c0 cs cs cs xor %eax,%eax
1f: 31 c0 xor %eax,%eax
21: 65 48 8b 14 25 80 ad mov %gs:0x1ad80,%rdx
28: 01 00
* 2a: f0 48 0f b1 55 00 lock cmpxchg %rdx,0x0(%rbp) <-- trapping instruction
30: 75 02 jne 0x34
32: 5d pop %rbp
33: c3 retq
34: 48 89 ef mov %rbp,%rdi
37: 5d pop %rbp
38: eb cc jmp 0x6
3a: 66 data16
3b: 66 data16
3c: 2e cs
3d: 0f .byte 0xf
3e: 1f (bad)
3f: 84 .byte 0x84