divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3641 Comm: syz-executor4 Not tainted 4.20.0-rc5+ #364 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:valid_cvt_gtf_timings drivers/media/platform/vivid/vivid-vid-cap.c:1643 [inline] RIP: 0010:vivid_vid_cap_s_dv_timings+0x60e/0x11e0 drivers/media/platform/vivid/vivid-vid-cap.c:1674 Code: c6 84 c9 0f 95 c1 40 84 ce 0f 85 ce 0a 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 b9 0a 00 00 48 8b 43 14 31 d2 <41> f7 f7 48 ba 00 00 00 00 00 fc ff df 4c 8d 7b 40 89 85 64 ff ff RSP: 0018:ffff888084b6f628 EFLAGS: 00010246 RAX: 0000000000d59f80 RBX: ffff88808678c300 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88808678c314 RBP: ffff888084b6f6e8 R08: 0000000000000001 R09: ffffed103969e024 R10: ffffed103969e024 R11: ffff8881cb4f0123 R12: ffff8881cb4f0080 R13: 1ffff1101096decc R14: 0000000000000000 R15: 0000000000000000 FS: 00007f286ad15700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000072658c CR3: 0000000097423000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vidioc_s_dv_timings+0xa4/0xc0 drivers/media/platform/vivid/vivid-core.c:323 v4l_stub_s_dv_timings+0x4f/0x60 drivers/media/v4l2-core/v4l2-ioctl.c:2583 __video_do_ioctl+0x8b1/0x1050 drivers/media/v4l2-core/v4l2-ioctl.c:2853 video_usercopy+0x5c1/0x1760 drivers/media/v4l2-core/v4l2-ioctl.c:3035 video_ioctl2+0x2c/0x33 drivers/media/v4l2-core/v4l2-ioctl.c:3079 v4l2_ioctl+0x154/0x1b0 drivers/media/v4l2-core/v4l2-dev.c:364 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'rfkill5788' (00000000789a04e0): kobject_add_internal: parent: 'phy5782', set: 'devices' kobject: 'rfkill5788' (00000000789a04e0): kobject_uevent_env kobject: 'rfkill5788' (00000000789a04e0): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5784/ieee80211/phy5782/rfkill5788' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 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 kobject: 'rfkill5788' (00000000789a04e0): kobject_uevent_env RSP: 002b:00007f286ad14c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 kobject: 'rfkill5788' (00000000789a04e0): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5784/ieee80211/phy5782/rfkill5788' RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 RDX: 0000000020000240 RSI: 00000000c0845657 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f286ad156d4 R13: 00000000004c1f0c R14: 00000000004d3440 R15: 00000000ffffffff Modules linked in: ieee80211 phy5782: Selected rate control algorithm 'minstrel_ht' ---[ end trace 9bb4280c2839a619 ]--- kobject: 'net' (0000000014fd100f): kobject_add_internal: parent: 'hwsim5784', set: '(null)' kobject: 'wlan1922' (00000000c6d92f6b): kobject_add_internal: parent: 'net', set: 'devices' RIP: 0010:valid_cvt_gtf_timings drivers/media/platform/vivid/vivid-vid-cap.c:1643 [inline] RIP: 0010:vivid_vid_cap_s_dv_timings+0x60e/0x11e0 drivers/media/platform/vivid/vivid-vid-cap.c:1674 kobject: 'wlan1922' (00000000c6d92f6b): kobject_uevent_env kobject: 'loop0' (00000000bcffdc81): kobject_uevent_env kobject: 'wlan1922' (00000000c6d92f6b): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5784/net/wlan1922' Code: c6 84 c9 0f 95 c1 40 84 ce 0f 85 ce 0a 00 00 83 e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 b9 0a 00 00 48 8b 43 14 31 d2 <41> f7 f7 48 ba 00 00 00 00 00 fc ff df 4c 8d 7b 40 89 85 64 ff ff kobject: 'queues' (0000000027cbc61c): kobject_add_internal: parent: 'wlan1922', set: '' kobject: 'loop0' (00000000bcffdc81): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (0000000027cbc61c): kobject_uevent_env kobject: 'queues' (0000000027cbc61c): kobject_uevent_env: filter function caused the event to drop! RSP: 0018:ffff888084b6f628 EFLAGS: 00010246 kobject: 'rx-0' (000000005b19d3ec): kobject_add_internal: parent: 'queues', set: 'queues' RAX: 0000000000d59f80 RBX: ffff88808678c300 RCX: 0000000000000001 kobject: 'rx-0' (000000005b19d3ec): kobject_uevent_env RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88808678c314 kobject: 'rx-0' (000000005b19d3ec): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5784/net/wlan1922/queues/rx-0' RBP: ffff888084b6f6e8 R08: 0000000000000001 R09: ffffed103969e024 kobject: 'tx-0' (00000000ed14bee7): kobject_add_internal: parent: 'queues', set: 'queues' R10: ffffed103969e024 R11: ffff8881cb4f0123 R12: ffff8881cb4f0080 kobject: 'tx-0' (00000000ed14bee7): kobject_uevent_env R13: 1ffff1101096decc R14: 0000000000000000 R15: 0000000000000000 kobject: 'tx-0' (00000000ed14bee7): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5784/net/wlan1922/queues/tx-0' FS: 00007f286ad15700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 kobject: 'tx-1' (0000000090b5555f): kobject_add_internal: parent: 'queues', set: 'queues' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'tx-1' (0000000090b5555f): kobject_uevent_env CR2: 00007efc29452000 CR3: 0000000097423000 CR4: 00000000001406f0 kobject: 'tx-1' (0000000090b5555f): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5784/net/wlan1922/queues/tx-1' DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'tx-2' (00000000cdd1648e): kobject_add_internal: parent: 'queues', set: 'queues' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'tx-2' (00000000cdd1648e): kobject_uevent_env