divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 386 Comm: syz-executor2 Not tainted 4.20.0-rc3+ #348 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:ffff88817c76f628 EFLAGS: 00010246 RAX: 0000000000d59f80 RBX: ffff8881cd195000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881cd195014 IPVS: ftp: loaded support on port[0] = 21 RBP: ffff88817c76f6e8 R08: 0000000000000001 R09: ffffed1039690024 R10: ffffed1039690024 R11: ffff8881cb480123 R12: ffff8881cb480080 R13: 1ffff1102f8edecc R14: 0000000000000000 R15: 0000000000000000 FS: 00007f9e6b8c8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 kobject: 'lo' (000000001ef4ee36): kobject_add_internal: parent: 'net', set: 'devices' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000607304 CR3: 00000001c8bbf000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'lo' (000000001ef4ee36): kobject_uevent_env 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 kobject: 'lo' (000000001ef4ee36): fill_kobj_path: path = '/devices/virtual/net/lo' __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 kobject: 'queues' (00000000aad5c4cb): kobject_add_internal: parent: 'lo', set: '' kobject: 'queues' (00000000aad5c4cb): kobject_uevent_env kobject: 'queues' (00000000aad5c4cb): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000007bcf8e83): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000007bcf8e83): kobject_uevent_env kobject: 'rx-0' (000000007bcf8e83): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' video_ioctl2+0x2c/0x33 drivers/media/v4l2-core/v4l2-ioctl.c:3079 v4l2_ioctl+0x154/0x1b0 drivers/media/v4l2-core/v4l2-dev.c:364 kobject: 'tx-0' (00000000df450bef): kobject_add_internal: parent: 'queues', set: 'queues' vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 kobject: 'tx-0' (00000000df450bef): kobject_uevent_env kobject: 'tx-0' (00000000df450bef): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' kobject: 'tunl0' (00000000e88a53f7): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tunl0' (00000000e88a53f7): kobject_uevent_env ksys_ioctl+0xa9/0xd0 fs/ioctl.c:713 kobject: 'tunl0' (00000000e88a53f7): fill_kobj_path: path = '/devices/virtual/net/tunl0' __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: 'queues' (00000000f7a16f82): kobject_add_internal: parent: 'tunl0', set: '' kobject: 'queues' (00000000f7a16f82): kobject_uevent_env kobject: 'queues' (00000000f7a16f82): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000066b0c05f): kobject_add_internal: parent: 'queues', set: 'queues' 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 RSP: 002b:00007f9e6b8c7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 RDX: 00000000200000c0 RSI: 00000000c0845657 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9e6b8c86d4 kobject: 'rx-0' (0000000066b0c05f): kobject_uevent_env R13: 00000000004c1f0c R14: 00000000004d35e0 R15: 00000000ffffffff Modules linked in: ---[ end trace 418858f0332cef27 ]--- kobject: 'rx-0' (0000000066b0c05f): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' 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: 'loop0' (000000004556f15d): kobject_uevent_env 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: 'tx-0' (000000006c56203a): kobject_add_internal: parent: 'queues', set: 'queues' RSP: 0018:ffff88817c76f628 EFLAGS: 00010246 kobject: 'tx-0' (000000006c56203a): kobject_uevent_env kobject: 'loop0' (000000004556f15d): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000b35f5d3c): kobject_uevent_env RAX: 0000000000d59f80 RBX: ffff8881cd195000 RCX: 0000000000000001 kobject: 'loop1' (00000000b35f5d3c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000005391a555): kobject_uevent_env kobject: 'tx-0' (000000006c56203a): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881cd195014 kobject: 'gre0' (00000000533a52c0): kobject_add_internal: parent: 'net', set: 'devices' RBP: ffff88817c76f6e8 R08: 0000000000000001 R09: ffffed1039690024 kobject: 'gre0' (00000000533a52c0): kobject_uevent_env R10: ffffed1039690024 R11: ffff8881cb480123 R12: ffff8881cb480080 kobject: 'loop5' (000000005391a555): fill_kobj_path: path = '/devices/virtual/block/loop5' R13: 1ffff1102f8edecc R14: 0000000000000000 R15: 0000000000000000 FS: 00007f9e6b8c8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004ced80 CR3: 00000001c8bbf000 CR4: 00000000001406e0 kobject: 'gre0' (00000000533a52c0): fill_kobj_path: path = '/devices/virtual/net/gre0' kobject: 'loop1' (00000000b35f5d3c): kobject_uevent_env kobject: 'loop5' (000000005391a555): kobject_uevent_env kobject: 'loop1' (00000000b35f5d3c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (000000004e297a02): kobject_add_internal: parent: 'gre0', set: '' DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'queues' (000000004e297a02): kobject_uevent_env DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop5' (000000005391a555): fill_kobj_path: path = '/devices/virtual/block/loop5'