R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d1c3d16d4 R13: 00000000004be9ae R14: 00000000004cf5e0 R15: 0000000000000005 audit: type=1800 audit(2000000106.120:78): pid=29907 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor0" name="bus" dev="sda1" ino=17155 res=0 audit: type=1804 audit(2000000106.570:79): pid=29911 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor0" name="/root/syzkaller-testdir431637001/syzkaller.NU92s6/822/bus" dev="sda1" ino=17155 res=1 WARNING: CPU: 1 PID: 29904 at drivers/gpu/drm/vkms/vkms_plane.c:26 vkms_plane_duplicate_state+0x9f/0x120 drivers/gpu/drm/vkms/vkms_plane.c:26 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 29904 Comm: syz-executor5 Not tainted 4.20.0-rc7+ #384 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d3/0x2c6 lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 kobject: 'loop3' (00000000deb22702): fill_kobj_path: path = '/devices/virtual/block/loop3' __warn.cold.8+0x20/0x45 kernel/panic.c:540 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 kobject: 'loop4' (000000009c33dade): kobject_uevent_env RIP: 0010:vkms_plane_duplicate_state+0x9f/0x120 drivers/gpu/drm/vkms/vkms_plane.c:26 Code: 00 0f 85 86 00 00 00 48 8b 3d fd 29 df 04 ba f8 00 00 00 be c0 80 60 00 e8 4e 23 79 fd 48 85 c0 49 89 c5 75 13 e8 01 67 36 fd <0f> 0b 48 c7 c7 40 34 7b 88 e8 a7 da 1c fd e8 ee 66 36 fd 48 8d bb RSP: 0018:ffff8881c00976f8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8881b9c70000 RCX: ffffc9000fe5a000 RDX: 0000000000040000 RSI: ffffffff844850df RDI: 0000000000000286 RBP: ffff8881c0097710 R08: ffff8881bd6e4100 R09: ffffed103b5e5b5f R10: ffffed103b5e5b5f R11: ffff8881daf2dafb R12: ffff8881d1e23680 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881c0097860 kobject: 'loop4' (000000009c33dade): fill_kobj_path: path = '/devices/virtual/block/loop4' drm_atomic_get_plane_state+0x225/0x560 drivers/gpu/drm/drm_atomic.c:465 drm_atomic_helper_disable_plane+0x7b/0x200 drivers/gpu/drm/drm_atomic_helper.c:2776 __setplane_atomic+0x2a3/0x330 drivers/gpu/drm/drm_plane.c:715 setplane_internal+0x127/0x370 drivers/gpu/drm/drm_plane.c:754 drm_mode_setplane+0x567/0x830 drivers/gpu/drm/drm_plane.c:814 drm_ioctl_kernel+0x278/0x330 drivers/gpu/drm/drm_ioctl.c:758 drm_ioctl+0x593/0xb90 drivers/gpu/drm/drm_ioctl.c:858 audit: type=1804 audit(2000000106.800:80): pid=29907 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor0" name="/root/syzkaller-testdir431637001/syzkaller.NU92s6/822/bus" dev="sda1" ino=17155 res=1 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 audit: type=1804 audit(2000000106.800:81): pid=29907 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor0" name="/root/syzkaller-testdir431637001/syzkaller.NU92s6/822/bus" dev="sda1" ino=17155 res=1 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:00007f8d1c3d0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8d1c3d0c90 RCX: 0000000000457669 RDX: 0000000020000080 RSI: ffffffffffffffb7 RDI: 0000000000000004 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d1c3d16d4 R13: 00000000004be9ae R14: 00000000004cf5e0 R15: 0000000000000005 Kernel Offset: disabled Rebooting in 86400 seconds..