divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 27473 Comm: syz-executor0 Not tainted 4.20.0-rc7+ #155 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:1641 [inline] RIP: 0010:vivid_vid_cap_s_dv_timings+0x60e/0x11e0 drivers/media/platform/vivid/vivid-vid-cap.c:1672 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:ffff888182c0f628 EFLAGS: 00010246 RAX: 0000000002000000 RBX: ffff8881c00ca700 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881c00ca714 RBP: ffff888182c0f6e8 R08: 0000000000000001 R09: ffffed10396f6024 R10: ffffed10396f6024 R11: ffff8881cb7b0123 R12: ffff8881cb7b0080 R13: 1ffff11030581ecc R14: 0000000000000000 R15: 0000000000000000 FS: 00007fe7b139a700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004ccab0 CR3: 00000001a37f6000 CR4: 00000000001426e0 DR0: 000000000000b8c4 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 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457669 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:00007fe7b1399c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457669 RDX: 0000000020000000 RSI: 00000000c0845657 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe7b139a6d4 R13: 00000000004c20ed R14: 00000000004d3e30 R15: 00000000ffffffff Modules linked in: kobject: 'loop3' (00000000d187ec55): kobject_uevent_env kobject: 'loop3' (00000000d187ec55): fill_kobj_path: path = '/devices/virtual/block/loop3' ---[ end trace 7b754bf3aaf16f89 ]--- RIP: 0010:valid_cvt_gtf_timings drivers/media/platform/vivid/vivid-vid-cap.c:1641 [inline] RIP: 0010:vivid_vid_cap_s_dv_timings+0x60e/0x11e0 drivers/media/platform/vivid/vivid-vid-cap.c:1672 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:ffff888182c0f628 EFLAGS: 00010246 RAX: 0000000002000000 RBX: ffff8881c00ca700 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8881c00ca714 RBP: ffff888182c0f6e8 R08: 0000000000000001 R09: ffffed10396f6024 R10: ffffed10396f6024 R11: ffff8881cb7b0123 R12: ffff8881cb7b0080 R13: 1ffff11030581ecc R14: 0000000000000000 R15: 0000000000000000 FS: 00007fe7b139a700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f262dad6db8 CR3: 00000001a37f6000 CR4: 00000000001426e0 DR0: 000000000000b8c4 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop1' (00000000fbf25990): kobject_uevent_env