misc userio: Begin command sent, but we're already running
nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based  firewall rule not found. Use the iptables CT target to attach helpers instead.
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 8041 Comm: syz-executor3 Not tainted 4.20.0-rc5+ #368
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vb2_vmalloc_put_userptr+0x73/0x250 drivers/media/common/videobuf2/videobuf2-vmalloc.c:136
Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 c2 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5e 08 48 8d 7b 09 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 72 01 00 00
RSP: 0018:ffff88818142f640 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000c224000
RDX: 0000000000000001 RSI: ffffffff8559dd99 RDI: 0000000000000009
RBP: ffff88818142f670 R08: ffff8881d3768140 R09: ffffed1038ba6f4e
R10: ffff88818142f768 R11: ffff8881c5d37a77 R12: ffffc90011e76000
R13: 0000000000000000 R14: ffff8881d7983200 R15: ffff8881d7983200
FS:  00007fcac176d700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3457462000 CR3: 00000001c3210000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __vb2_buf_userptr_put drivers/media/common/videobuf2/videobuf2-core.c:258 [inline]
 __vb2_free_mem drivers/media/common/videobuf2/videobuf2-core.c:417 [inline]
 __vb2_queue_free+0x4b1/0xa30 drivers/media/common/videobuf2/videobuf2-core.c:458
 vb2_core_queue_release+0x62/0x80 drivers/media/common/videobuf2/videobuf2-core.c:2231
 vb2_queue_release+0x15/0x20 drivers/media/common/videobuf2/videobuf2-v4l2.c:837
 v4l2_m2m_ctx_release+0x2a/0x35 drivers/media/v4l2-core/v4l2-mem2mem.c:931
 vicodec_release+0xbd/0x120 drivers/media/platform/vicodec/vicodec-core.c:1237
 v4l2_release+0x2f2/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:459
 __fput+0x385/0xa30 fs/file_table.c:278
 ____fput+0x15/0x20 fs/file_table.c:309
 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
 get_signal+0x1558/0x1980 kernel/signal.c:2347
 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816
 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457659
Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fcac176cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000457659
RDX: 0000000020000480 RSI: 00000000c100565c RDI: 0000000000000003
RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcac176d6d4
R13: 00000000004c19db R14: 00000000004d2e00 R15: 00000000ffffffff
Modules linked in:
---[ end trace 0d37bd5b6e488251 ]---
RIP: 0010:vb2_vmalloc_put_userptr+0x73/0x250 drivers/media/common/videobuf2/videobuf2-vmalloc.c:136
kobject: 'input9' (00000000905de890): kobject_cleanup, parent           (null)
Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 c2 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5e 08 48 8d 7b 09 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 72 01 00 00
kobject: 'input9' (00000000905de890): calling ktype release
RSP: 0018:ffff88818142f640 EFLAGS: 00010202
kobject: 'input9': free name
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000c224000
kobject: 'serio3' (0000000061c8e690): kobject_add_internal: parent: 'devices', set: 'devices'
RDX: 0000000000000001 RSI: ffffffff8559dd99 RDI: 0000000000000009
RBP: ffff88818142f670 R08: ffff8881d3768140 R09: ffffed1038ba6f4e
R10: ffff88818142f768 R11: ffff8881c5d37a77 R12: ffffc90011e76000
kobject: 'serio3' (0000000061c8e690): kobject_uevent_env
R13: 0000000000000000 R14: ffff8881d7983200 R15: ffff8881d7983200
FS:  00007fcac176d700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3457462000 CR3: 00000001c3210000 CR4: 00000000001406f0
kobject: 'serio3' (0000000061c8e690): fill_kobj_path: path = '/devices/serio3'
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400