------------[ cut here ]------------ WARNING: CPU: 2 PID: 11675 at drivers/gpu/drm/drm_modeset_lock.c:92 drm_modeset_lock_all+0x1fc/0x2d0 drivers/gpu/drm/drm_modeset_lock.c:92 Kernel panic - not syncing: panic_on_warn set ... Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3625 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:666 [inline] drm_modeset_lock_all+0x49/0x2d0 drivers/gpu/drm/drm_modeset_lock.c:91 drm_mode_obj_get_properties_ioctl+0x87/0x2b0 drivers/gpu/drm/drm_mode_object.c:359 drm_ioctl_kernel+0x1e7/0x2e0 drivers/gpu/drm/drm_ioctl.c:735 drm_ioctl+0x72e/0xa50 drivers/gpu/drm/drm_ioctl.c:831 vfs_ioctl fs/ioctl.c:45 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685 SYSC_ioctl fs/ioctl.c:700 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x447299 RSP: 002b:00007f4bb582bc08 EFLAGS: 00000296 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000447299 RDX: 0000000020672ff7 RSI: 00000000000000b9 RDI: 0000000000000005 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 00000000004a8bf7 R13: 0000000000000000 R14: 00007f4bb582b9c8 R15: 00007f4bb582bb38 CPU: 2 PID: 11675 Comm: syz-executor0 Not tainted 4.13.0-next-20170913+ #3 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 11677 at drivers/gpu/drm/drm_modeset_lock.c:92 drm_modeset_lock_all+0x1fc/0x2d0 drivers/gpu/drm/drm_modeset_lock.c:92 Modules linked in: CPU: 0 PID: 11677 Comm: syz-executor6 Not tainted 4.13.0-next-20170913+ #3 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 task: ffff8800516060c0 task.stack: ffff88006cc78000 RIP: 0010:drm_modeset_lock_all+0x1fc/0x2d0 drivers/gpu/drm/drm_modeset_lock.c:92 RSP: 0018:ffff88006cc7fad8 EFLAGS: 00010246 RAX: 0000000000010000 RBX: ffff88006cc7fcb0 RCX: ffffc90003895000 RDX: 0000000000010000 RSI: ffffffff828b9e0c RDI: 0000000000000282 RBP: ffff88006cc7faf0 R08: ffffffff85b381a0 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88006b006540 R14: ffff8800391bcdc0 R15: ffff88006cc7fbc8 FS: 00007f4bb582c700(0000) GS:ffff88003ec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004c6e84 CR3: 000000004d350000 CR4: 00000000000006f0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000020000008 DR3: 0000000020001010 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: drm_mode_obj_get_properties_ioctl+0x87/0x2b0 drivers/gpu/drm/drm_mode_object.c:359 drm_ioctl_kernel+0x1e7/0x2e0 drivers/gpu/drm/drm_ioctl.c:735 drm_ioctl+0x72e/0xa50 drivers/gpu/drm/drm_ioctl.c:831 vfs_ioctl fs/ioctl.c:45 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685 SYSC_ioctl fs/ioctl.c:700 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x447299 RSP: 002b:00007f4bb582bc08 EFLAGS: 00000296 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000447299 RDX: 0000000020672ff7 RSI: 00000000000000b9 RDI: 0000000000000005 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 00000000004a8bf7 R13: 0000000000000000 R14: 00007f4bb582b9c8 R15: 00007f4bb582bb38 Code: cc 00 00 00 41 8b 4c 24 10 85 c9 75 38 e8 0d 2b e2 fe 4c 89 e7 e8 95 c1 16 ff e8 00 2b e2 fe 5b 41 5c 41 5d 5d c3 e8 f4 2a e2 fe <0f> ff e8 ed 2a e2 fe 5b 41 5c 41 5d 5d c3 e8 e1 2a e2 fe 0f ff ---[ end trace 7fc27166e88a4a81 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 11677 at drivers/gpu/drm/drm_modeset_lock.c:143 drm_modeset_unlock_all+0x108/0x1b0 drivers/gpu/drm/drm_modeset_lock.c:143 Modules linked in: CPU: 1 PID: 11677 Comm: syz-executor6 Tainted: G W 4.13.0-next-20170913+ #3 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 task: ffff8800516060c0 task.stack: ffff88006cc78000 RIP: 0010:drm_modeset_unlock_all+0x108/0x1b0 drivers/gpu/drm/drm_modeset_lock.c:143 RSP: 0018:ffff88006cc7fae0 EFLAGS: 00010246 RAX: 0000000000010000 RBX: ffff88006b006540 RCX: ffffc90003895000 RDX: 0000000000010000 RSI: ffffffff828b8da8 RDI: ffff88006b006b28 RBP: ffff88006cc7faf0 R08: ffff88006b006b98 R09: 0000000000000000 R10: ffffffff870a8ea0 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8800391bcdc0 R15: 00000000fffffffe FS: 00007f4bb582c700(0000) GS:ffff88003ed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c438177000 CR3: 000000004d350000 CR4: 00000000000006e0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: drm_mode_obj_get_properties_ioctl+0x1f5/0x2b0 drivers/gpu/drm/drm_mode_object.c:379 drm_ioctl_kernel+0x1e7/0x2e0 drivers/gpu/drm/drm_ioctl.c:735 drm_ioctl+0x72e/0xa50 drivers/gpu/drm/drm_ioctl.c:831 vfs_ioctl fs/ioctl.c:45 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685 SYSC_ioctl fs/ioctl.c:700 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x447299 RSP: 002b:00007f4bb582bc08 EFLAGS: 00000296 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000447299 RDX: 0000000020672ff7 RSI: 00000000000000b9 RDI: 0000000000000005 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 00000000004a8bf7 R13: 0000000000000000 R14: 00007f4bb582b9c8 R15: 00007f4bb582bb38 Code: d2 75 34 e8 7b 3b e2 fe 4c 89 e7 e8 03 d2 16 ff 48 8d bb a8 04 00 00 e8 e7 c7 47 02 e8 62 3b e2 fe 5b 41 5c 5d c3 e8 58 3b e2 fe <0f> ff e8 51 3b e2 fe 5b 41 5c 5d c3 e8 47 3b e2 fe e8 62 fb ae ---[ end trace 7fc27166e88a4a82 ]--- __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 panic+0x1e4/0x417 kernel/panic.c:181 __warn+0x1c4/0x1d9 kernel/panic.c:542 report_bug+0x211/0x2d0 lib/bug.c:183 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:178 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline] do_trap+0x260/0x390 arch/x86/kernel/traps.c:261 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:298 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:311 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905 RIP: 0010:drm_modeset_lock_all+0x1fc/0x2d0 drivers/gpu/drm/drm_modeset_lock.c:92 RSP: 0018:ffff88002c5d7ad8 EFLAGS: 00010246 RAX: 0000000000010000 RBX: ffff88002c5d7cb0 RCX: ffffc90000813000 RDX: 0000000000010000 RSI: ffffffff828b9e0c RDI: 0000000000000282 RBP: ffff88002c5d7af0 R08: ffffffff85b381a0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88006b006540 R14: ffff88006d388dc0 R15: ffff88002c5d7bc8 drm_mode_obj_get_properties_ioctl+0x87/0x2b0 drivers/gpu/drm/drm_mode_object.c:359 drm_ioctl_kernel+0x1e7/0x2e0 drivers/gpu/drm/drm_ioctl.c:735 drm_ioctl+0x72e/0xa50 drivers/gpu/drm/drm_ioctl.c:831 vfs_ioctl fs/ioctl.c:45 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685 SYSC_ioctl fs/ioctl.c:700 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x447299 RSP: 002b:00007f8434b9fc08 EFLAGS: 00000296 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000447299 RDX: 0000000020672ff7 RSI: 00000000000000b9 RDI: 0000000000000005 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 00000000004a8bf7 R13: 0000000000000000 R14: 00007f8434b9f9c8 R15: 00007f8434b9fb38 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..