Warning: Permanently added '10.128.0.234' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   45.019092] WARNING: CPU: 0 PID: 7580 at kernel/workqueue.c:3020 __flush_work+0x74c/0x8a0
[   45.027498] Kernel panic - not syncing: panic_on_warn set ...
[   45.033368] CPU: 0 PID: 7580 Comm: syz-executor181 Not tainted 5.0.0+ #11
[   45.040273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.049674] Call Trace:
[   45.052252]  dump_stack+0x172/0x1f0
[   45.055864]  ? __flush_work+0x6d0/0x8a0
[   45.059825]  panic+0x2cb/0x65c
[   45.063006]  ? __warn_printk+0xf3/0xf3
[   45.066906]  ? __flush_work+0x74c/0x8a0
[   45.070862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   45.076382]  ? __warn.cold+0x5/0x45
[   45.079991]  ? __warn+0xe8/0x1d0
[   45.083356]  ? __flush_work+0x74c/0x8a0
[   45.087316]  __warn.cold+0x20/0x45
[   45.090840]  ? __flush_work+0x74c/0x8a0
[   45.094798]  report_bug+0x263/0x2b0
[   45.098414]  do_error_trap+0x11b/0x200
[   45.102291]  do_invalid_op+0x37/0x50
[   45.105991]  ? __flush_work+0x74c/0x8a0
[   45.109956]  invalid_op+0x14/0x20
[   45.113406] RIP: 0010:__flush_work+0x74c/0x8a0
[   45.117977] Code: 74 58 e8 77 12 26 00 fb 66 0f 1f 44 00 00 45 31 e4 e9 86 fd ff ff e8 63 12 26 00 0f 0b 45 31 e4 e9 77 fd ff ff e8 54 12 26 00 <0f> 0b 45 31 e4 e9 68 fd ff ff e8 45 12 26 00 4c 89 ff 45 31 e4 e8
[   45.136863] RSP: 0018:ffff88809049f608 EFLAGS: 00010293
[   45.142207] RAX: ffff88808f164700 RBX: ffff88821951d900 RCX: ffffffff814a14cb
[   45.149456] RDX: 0000000000000000 RSI: ffffffff814a1b7c RDI: 0000000000000001
[   45.156705] RBP: ffff88809049f778 R08: ffff88808f164700 R09: ffffed1012093edd
[   45.163976] R10: ffffed1012093edc R11: 0000000000000003 R12: dffffc0000000000
[   45.171228] R13: ffff88809049f750 R14: 0000000000000000 R15: 0000000000000001
[   45.178501]  ? __flush_work+0x9b/0x8a0
[   45.182386]  ? __flush_work+0x74c/0x8a0
[   45.186346]  ? __flush_work+0x74c/0x8a0
[   45.190303]  ? insert_work+0x3a0/0x3a0
[   45.194177]  ? mark_held_locks+0xa4/0xf0
[   45.198224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   45.203772]  ? refcount_sub_and_test_checked+0x154/0x200
[   45.209220]  ? refcount_dec_not_one+0x1f0/0x1f0
[   45.213878]  ? __drm_atomic_helper_crtc_destroy_state+0xf3/0x340
[   45.220008]  flush_work+0x18/0x20
[   45.223449]  vkms_atomic_crtc_destroy_state+0x2d/0x40
[   45.228624]  drm_atomic_state_default_clear+0x37c/0xd60
[   45.233986]  drm_atomic_state_clear+0x9d/0xc0
[   45.238468]  __drm_atomic_state_free+0x3c/0xf0
[   45.243036]  drm_atomic_helper_set_config+0xe5/0x160
[   45.248126]  drm_mode_setcrtc+0x613/0x1490
[   45.252364]  ? drm_mode_getcrtc+0x870/0x870
[   45.256671]  ? drm_dev_exit+0x22/0x60
[   45.260454]  ? find_held_lock+0x35/0x130
[   45.264500]  ? drm_dev_exit+0x22/0x60
[   45.268291]  ? drm_lease_owner+0x45/0x60
[   45.272339]  ? drm_is_current_master+0x5c/0x140
[   45.277006]  drm_ioctl_kernel+0x23b/0x2e0
[   45.281147]  ? drm_mode_getcrtc+0x870/0x870
[   45.285450]  ? drm_setversion+0x8c0/0x8c0
[   45.289584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   45.295105]  ? _copy_from_user+0xdd/0x150
[   45.299236]  drm_ioctl+0x545/0xa50
[   45.302760]  ? drm_mode_getcrtc+0x870/0x870
[   45.307067]  ? drm_version+0x3d0/0x3d0
[   45.310958]  ? debug_check_no_obj_freed+0x200/0x464
[   45.315976]  ? trace_hardirqs_off+0x62/0x220
[   45.320366]  ? drm_version+0x3d0/0x3d0
[   45.324238]  do_vfs_ioctl+0xd6e/0x1390
[   45.328111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   45.333636]  ? ioctl_preallocate+0x210/0x210
[   45.338023]  ? putname+0xef/0x130
[   45.341456]  ? putname+0xef/0x130
[   45.344894]  ? rcu_read_lock_sched_held+0x110/0x130
[   45.349889]  ? kmem_cache_free+0x225/0x260
[   45.354105]  ? putname+0xf4/0x130
[   45.357542]  ? do_sys_open+0x31d/0x5d0
[   45.361421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   45.366941]  ? security_file_ioctl+0x93/0xc0
[   45.371344]  ksys_ioctl+0xab/0xd0
[   45.374782]  __x64_sys_ioctl+0x73/0xb0
[   45.378654]  do_syscall_64+0x103/0x610
[   45.382531]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   45.387702] RIP: 0033:0x443de9
[   45.390877] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   45.409767] RSP: 002b:00007ffc34f28be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   45.417472] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443de9
[   45.424724] RDX: 0000000020000000 RSI: 00000000c06864a2 RDI: 0000000000000003
[   45.431976] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0
[   45.439240] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401af0
[   45.446581] R13: 0000000000401b80 R14: 0000000000000000 R15: 0000000000000000
[   45.454714] Kernel Offset: disabled
[   45.458391] Rebooting in 86400 seconds..