Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. 2021/01/09 23:55:52 parsed 1 programs 2021/01/09 23:55:52 executed programs: 0 syzkaller login: [ 288.872088][ T8505] IPVS: ftp: loaded support on port[0] = 21 [ 289.043286][ T8505] chnl_net:caif_netlink_parms(): no params data found [ 289.102013][ T8505] bridge0: port 1(bridge_slave_0) entered blocking state [ 289.110038][ T8505] bridge0: port 1(bridge_slave_0) entered disabled state [ 289.118003][ T8505] device bridge_slave_0 entered promiscuous mode [ 289.127954][ T8505] bridge0: port 2(bridge_slave_1) entered blocking state [ 289.135932][ T8505] bridge0: port 2(bridge_slave_1) entered disabled state [ 289.144748][ T8505] device bridge_slave_1 entered promiscuous mode [ 289.167966][ T8505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 289.180175][ T8505] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 289.205117][ T8505] team0: Port device team_slave_0 added [ 289.212934][ T8505] team0: Port device team_slave_1 added [ 289.232494][ T8505] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 289.239895][ T8505] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 289.266358][ T8505] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 289.280501][ T8505] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 289.287561][ T8505] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 289.313595][ T8505] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 289.342875][ T8505] device hsr_slave_0 entered promiscuous mode [ 289.349732][ T8505] device hsr_slave_1 entered promiscuous mode [ 289.466736][ T8505] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 289.481918][ T8505] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 289.493812][ T8505] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 289.504793][ T8505] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 289.537012][ T8505] bridge0: port 2(bridge_slave_1) entered blocking state [ 289.544296][ T8505] bridge0: port 2(bridge_slave_1) entered forwarding state [ 289.552694][ T8505] bridge0: port 1(bridge_slave_0) entered blocking state [ 289.559930][ T8505] bridge0: port 1(bridge_slave_0) entered forwarding state [ 289.616568][ T8505] 8021q: adding VLAN 0 to HW filter on device bond0 [ 289.632364][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 289.644095][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 289.653631][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 289.662111][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 289.676766][ T8505] 8021q: adding VLAN 0 to HW filter on device team0 [ 289.690123][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 289.699975][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 289.707058][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 289.734924][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 289.747521][ T2999] bridge0: port 2(bridge_slave_1) entered blocking state [ 289.754757][ T2999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 289.766211][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 289.794155][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 289.803881][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 289.812862][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 289.823622][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 289.836224][ T8505] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 289.862065][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 289.871450][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 289.887102][ T8505] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 289.909451][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 289.932047][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 289.941720][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 289.951382][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 289.963087][ T8505] device veth0_vlan entered promiscuous mode [ 289.976777][ T8505] device veth1_vlan entered promiscuous mode [ 290.003946][ T3776] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 290.012615][ T3776] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 290.022691][ T3776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 290.036779][ T8505] device veth0_macvtap entered promiscuous mode [ 290.049118][ T8505] device veth1_macvtap entered promiscuous mode [ 290.072052][ T8505] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 290.080172][ T3776] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 290.090858][ T3776] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 290.104870][ T8505] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 290.113033][ T3776] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 290.124922][ T3776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 290.142294][ T8505] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 290.151576][ T8505] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 290.162621][ T8505] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 290.171595][ T8505] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 290.274594][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 290.297098][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 290.313894][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 290.332585][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 290.342789][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 290.354979][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/01/09 23:55:55 result: hanged=false err=executor 0: exit status 67 invalid command number 3836 (errno 14) child failed (errno 0) loop exited with status 67 invalid command number 3836 (errno 14) child failed (errno 0) loop exited with status 67 [ 290.827798][ T24] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 290.987130][ T24] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 291.134867][ T24] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 291.271034][ T24] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 292.107849][ T8757] IPVS: ftp: loaded support on port[0] = 21 [ 292.391056][ T8757] chnl_net:caif_netlink_parms(): no params data found [ 292.524434][ T8757] bridge0: port 1(bridge_slave_0) entered blocking state [ 292.531736][ T8757] bridge0: port 1(bridge_slave_0) entered disabled state [ 292.541284][ T8757] device bridge_slave_0 entered promiscuous mode [ 292.551163][ T8757] bridge0: port 2(bridge_slave_1) entered blocking state [ 292.558423][ T8757] bridge0: port 2(bridge_slave_1) entered disabled state [ 292.566216][ T8757] device bridge_slave_1 entered promiscuous mode [ 292.594219][ T8757] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 292.606419][ T8757] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 292.714037][ T8757] team0: Port device team_slave_0 added [ 292.722490][ T8757] team0: Port device team_slave_1 added [ 292.829210][ T8757] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 292.836206][ T8757] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 292.862804][ T8757] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 292.877389][ T8757] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 292.884872][ T8757] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 292.912841][ T8757] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 293.025718][ T8757] device hsr_slave_0 entered promiscuous mode [ 293.033482][ T8757] device hsr_slave_1 entered promiscuous mode [ 293.042116][ T8757] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 293.050278][ T8757] Cannot create hsr debugfs directory [ 293.305595][ T8757] bridge0: port 2(bridge_slave_1) entered blocking state [ 293.312768][ T8757] bridge0: port 2(bridge_slave_1) entered forwarding state [ 293.320234][ T8757] bridge0: port 1(bridge_slave_0) entered blocking state [ 293.327354][ T8757] bridge0: port 1(bridge_slave_0) entered forwarding state [ 293.448771][ T8729] bridge0: port 1(bridge_slave_0) entered disabled state [ 293.456905][ T8729] bridge0: port 2(bridge_slave_1) entered disabled state [ 293.520708][ T8757] 8021q: adding VLAN 0 to HW filter on device bond0 [ 293.629676][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 293.637733][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 293.651696][ T8757] 8021q: adding VLAN 0 to HW filter on device team0 [ 293.683454][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 293.699646][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 293.710067][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 293.717200][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 293.729673][ T24] device hsr_slave_0 left promiscuous mode [ 293.736309][ T24] device hsr_slave_1 left promiscuous mode [ 293.743662][ T24] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 293.751788][ T24] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 293.761837][ T24] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 293.770546][ T24] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 293.779904][ T24] device bridge_slave_1 left promiscuous mode [ 293.786186][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 293.802459][ T24] device bridge_slave_0 left promiscuous mode [ 293.808880][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 293.827271][ T24] device veth1_macvtap left promiscuous mode [ 293.834050][ T24] device veth0_macvtap left promiscuous mode [ 293.840317][ T24] device veth1_vlan left promiscuous mode [ 293.846933][ T24] device veth0_vlan left promiscuous mode [ 294.039889][ T34] Bluetooth: hci0: command 0x0409 tx timeout [ 296.117977][ T34] Bluetooth: hci0: command 0x041b tx timeout [ 297.740428][ T24] team0 (unregistering): Port device team_slave_1 removed [ 297.753997][ T24] team0 (unregistering): Port device team_slave_0 removed [ 297.768736][ T24] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 297.784025][ T24] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 297.836811][ T24] bond0 (unregistering): Released all slaves [ 297.929346][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 297.939110][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 297.947484][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 297.954752][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 297.968284][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 297.988129][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 297.999810][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 298.009222][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 298.023521][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 298.033337][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 298.042810][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 298.057363][ T8729] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 298.067605][ T8729] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 298.082348][ T8729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 298.091425][ T8729] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 298.109970][ T8757] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 298.131904][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 298.139723][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 298.156384][ T8757] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 298.197883][ T8729] Bluetooth: hci0: command 0x040f tx timeout [ 298.256841][ T8729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 298.267468][ T8729] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 298.302635][ T8729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 298.312665][ T8729] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 298.329697][ T8757] device veth0_vlan entered promiscuous mode [ 298.337076][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 298.350996][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 298.372293][ T8757] device veth1_vlan entered promiscuous mode [ 298.415191][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 298.427004][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 298.437511][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 298.450423][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 298.464541][ T8757] device veth0_macvtap entered promiscuous mode [ 298.480054][ T8757] device veth1_macvtap entered promiscuous mode [ 298.508737][ T8757] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 298.516141][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 298.526461][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 298.535689][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 298.544850][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 298.560324][ T8757] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 298.569824][ T8729] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 298.580554][ T8729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 298.691164][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 298.717374][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 298.751892][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 298.781637][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 298.796476][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 298.809972][ T34] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/01/09 23:56:04 result: hanged=false err=executor 0: exit status 67 invalid command number 3836 (errno 14) child failed (errno 0) loop exited with status 67 invalid command number 3836 (errno 14) child failed (errno 0) loop exited with status 67 2021/01/09 23:56:04 executed programs: 2 [ 299.473746][ C0] ------------[ cut here ]------------ [ 299.479325][ C0] WARNING: CPU: 0 PID: 9043 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x31e/0x3b0 [ 299.490252][ C0] Modules linked in: [ 299.494164][ C0] CPU: 0 PID: 9043 Comm: syz-executor.0 Not tainted 5.11.0-rc2-syzkaller #0 [ 299.502860][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.512935][ C0] RIP: 0010:vkms_vblank_simulate+0x31e/0x3b0 [ 299.519029][ C0] Code: 85 9e 00 00 00 48 8b 95 b8 01 00 00 4c 89 e1 bf 02 00 00 00 48 c7 c6 80 12 b5 89 e8 9c fd ef ff e9 e5 fe ff ff e8 e2 b3 30 fd <0f> 0b e9 88 fd ff ff e8 66 47 73 fd e9 11 fe ff ff 4c 89 ef e8 59 [ 299.538662][ C0] RSP: 0018:ffffc90000007dc0 EFLAGS: 00010046 [ 299.544758][ C0] RAX: 0000000080010000 RBX: ffff888019171e48 RCX: 0000000000000000 [ 299.552746][ C0] RDX: ffff888030008000 RSI: ffffffff8441c1be RDI: 0000000000000003 [ 299.560741][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000 [ 299.568732][ C0] R10: ffffffff8441bf43 R11: 0000000000000000 R12: ffff888019170d40 [ 299.576719][ C0] R13: 0000000000fe4c00 R14: ffffffff8441bea0 R15: dffffc0000000000 [ 299.584715][ C0] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0063) knlGS:000000000abab900 [ 299.593672][ C0] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 299.600276][ C0] CR2: 000000000818800c CR3: 00000000116f5000 CR4: 00000000001506f0 [ 299.608270][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 299.616257][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 299.624249][ C0] Call Trace: [ 299.627540][ C0] [ 299.630467][ C0] ? vkms_disable_vblank+0x20/0x20 [ 299.635610][ C0] __hrtimer_run_queues+0x693/0xea0 [ 299.640956][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 299.646974][ C0] ? ktime_get_update_offsets_now+0x249/0x320 [ 299.653072][ C0] hrtimer_interrupt+0x334/0x940 [ 299.658139][ C0] __sysvec_apic_timer_interrupt+0x146/0x540 [ 299.664236][ C0] asm_call_irq_on_stack+0xf/0x20 [ 299.669360][ C0] [ 299.672301][ C0] sysvec_apic_timer_interrupt+0xbd/0x100 [ 299.678046][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 299.684056][ C0] RIP: 0010:syslog_print_all+0x3dd/0x4a0 [ 299.689768][ C0] Code: 00 45 84 f6 0f 85 8a 00 00 00 e8 de a1 17 00 48 c7 c7 e0 46 35 8b e8 82 55 93 07 e8 cd 56 00 00 e8 98 71 1d 00 fb 48 8b 3c 24 7e ac 59 00 e8 b9 a1 17 00 48 b8 00 00 00 00 00 fc ff df 48 03 [ 299.709400][ C0] RSP: 0018:ffffc900020c7bb0 EFLAGS: 00000206 [ 299.715494][ C0] RAX: 0000000000000609 RBX: 00000000000007ba RCX: 1ffffffff19de351 [ 299.723485][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888024a19000 [ 299.731484][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 299.739471][ C0] R10: ffffffff817845a8 R11: 0000000000000000 R12: ffffc900020c7c60 [ 299.747463][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900020c7c20 [ 299.755459][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 299.760665][ C0] ? syslog_print+0x430/0x430 [ 299.765374][ C0] ? kasan_record_aux_stack+0xc5/0xf0 [ 299.770815][ C0] ? call_rcu+0xbb/0x700 [ 299.775138][ C0] ? task_work_run+0xdd/0x190 [ 299.779938][ C0] ? exit_to_user_mode_prepare+0x249/0x250 [ 299.785759][ C0] ? syscall_exit_to_user_mode+0x19/0x50 [ 299.791435][ C0] do_syslog.part.0+0x3c5/0x7c0 [ 299.796293][ C0] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 299.802107][ C0] ? syslog_print_all+0x4a0/0x4a0 [ 299.807265][ C0] ? debug_object_init_on_stack+0x20/0x20 [ 299.813082][ C0] ? blkcg_maybe_throttle_current+0x64d/0xd80 [ 299.819242][ C0] ? __blkcg_punt_bio_submit+0x1d0/0x1d0 [ 299.824941][ C0] ? mem_cgroup_move_account+0xd30/0xd30 [ 299.830620][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 299.836905][ C0] ? security_syslog+0x73/0x90 [ 299.841728][ C0] __ia32_sys_syslog+0x9c/0xd0 [ 299.846542][ C0] __do_fast_syscall_32+0x56/0x80 [ 299.851574][ C0] do_fast_syscall_32+0x2f/0x70 [ 299.856426][ C0] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 299.862763][ C0] RIP: 0023:0xf7fc7549 [ 299.866835][ C0] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 299.886550][ C0] RSP: 002b:00000000ffbb36cc EFLAGS: 00000246 ORIG_RAX: 0000000000000067 [ 299.894973][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000ffbb381c [ 299.902947][ C0] RDX: 000000000000003f RSI: 00000000080da24e RDI: 0000000000000040 [ 299.910921][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 299.918893][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 299.926866][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 299.934856][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 299.941461][ C0] CPU: 0 PID: 9043 Comm: syz-executor.0 Not tainted 5.11.0-rc2-syzkaller #0 [ 299.950133][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.960189][ C0] Call Trace: [ 299.963469][ C0] [ 299.966312][ C0] dump_stack+0x107/0x163 [ 299.970722][ C0] panic+0x306/0x73d [ 299.974644][ C0] ? __warn_printk+0xf3/0xf3 [ 299.979250][ C0] ? __warn.cold+0x1a/0x44 [ 299.983676][ C0] ? vkms_vblank_simulate+0x31e/0x3b0 [ 299.989065][ C0] __warn.cold+0x35/0x44 [ 299.993314][ C0] ? vkms_vblank_simulate+0x31e/0x3b0 [ 299.998693][ C0] report_bug+0x1bd/0x210 [ 300.003134][ C0] handle_bug+0x3c/0x60 [ 300.007292][ C0] exc_invalid_op+0x14/0x40 [ 300.011795][ C0] asm_exc_invalid_op+0x12/0x20 [ 300.016669][ C0] RIP: 0010:vkms_vblank_simulate+0x31e/0x3b0 [ 300.022661][ C0] Code: 85 9e 00 00 00 48 8b 95 b8 01 00 00 4c 89 e1 bf 02 00 00 00 48 c7 c6 80 12 b5 89 e8 9c fd ef ff e9 e5 fe ff ff e8 e2 b3 30 fd <0f> 0b e9 88 fd ff ff e8 66 47 73 fd e9 11 fe ff ff 4c 89 ef e8 59 [ 300.042413][ C0] RSP: 0018:ffffc90000007dc0 EFLAGS: 00010046 [ 300.048484][ C0] RAX: 0000000080010000 RBX: ffff888019171e48 RCX: 0000000000000000 [ 300.056450][ C0] RDX: ffff888030008000 RSI: ffffffff8441c1be RDI: 0000000000000003 [ 300.064422][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000 [ 300.072404][ C0] R10: ffffffff8441bf43 R11: 0000000000000000 R12: ffff888019170d40 [ 300.080366][ C0] R13: 0000000000fe4c00 R14: ffffffff8441bea0 R15: dffffc0000000000 [ 300.088347][ C0] ? vkms_disable_vblank+0x20/0x20 [ 300.093486][ C0] ? vkms_vblank_simulate+0xa3/0x3b0 [ 300.098780][ C0] ? vkms_vblank_simulate+0x31e/0x3b0 [ 300.104172][ C0] ? vkms_disable_vblank+0x20/0x20 [ 300.109296][ C0] __hrtimer_run_queues+0x693/0xea0 [ 300.114506][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 300.120487][ C0] ? ktime_get_update_offsets_now+0x249/0x320 [ 300.126563][ C0] hrtimer_interrupt+0x334/0x940 [ 300.131512][ C0] __sysvec_apic_timer_interrupt+0x146/0x540 [ 300.137504][ C0] asm_call_irq_on_stack+0xf/0x20 [ 300.142546][ C0] [ 300.145470][ C0] sysvec_apic_timer_interrupt+0xbd/0x100 [ 300.151202][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 300.157199][ C0] RIP: 0010:syslog_print_all+0x3dd/0x4a0 [ 300.162853][ C0] Code: 00 45 84 f6 0f 85 8a 00 00 00 e8 de a1 17 00 48 c7 c7 e0 46 35 8b e8 82 55 93 07 e8 cd 56 00 00 e8 98 71 1d 00 fb 48 8b 3c 24 7e ac 59 00 e8 b9 a1 17 00 48 b8 00 00 00 00 00 fc ff df 48 03 [ 300.182471][ C0] RSP: 0018:ffffc900020c7bb0 EFLAGS: 00000206 [ 300.188549][ C0] RAX: 0000000000000609 RBX: 00000000000007ba RCX: 1ffffffff19de351 [ 300.196517][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888024a19000 [ 300.204489][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 300.212460][ C0] R10: ffffffff817845a8 R11: 0000000000000000 R12: ffffc900020c7c60 [ 300.220430][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc900020c7c20 [ 300.228405][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 300.233454][ C0] ? syslog_print+0x430/0x430 [ 300.238140][ C0] ? kasan_record_aux_stack+0xc5/0xf0 [ 300.243537][ C0] ? call_rcu+0xbb/0x700 [ 300.247783][ C0] ? task_work_run+0xdd/0x190 [ 300.252638][ C0] ? exit_to_user_mode_prepare+0x249/0x250 [ 300.258473][ C0] ? syscall_exit_to_user_mode+0x19/0x50 [ 300.264153][ C0] do_syslog.part.0+0x3c5/0x7c0 [ 300.269017][ C0] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 300.274846][ C0] ? syslog_print_all+0x4a0/0x4a0 [ 300.279874][ C0] ? debug_object_init_on_stack+0x20/0x20 [ 300.285609][ C0] ? blkcg_maybe_throttle_current+0x64d/0xd80 [ 300.291703][ C0] ? __blkcg_punt_bio_submit+0x1d0/0x1d0 [ 300.297341][ C0] ? mem_cgroup_move_account+0xd30/0xd30 [ 300.303002][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 300.309247][ C0] ? security_syslog+0x73/0x90 [ 300.314018][ C0] __ia32_sys_syslog+0x9c/0xd0 [ 300.318790][ C0] __do_fast_syscall_32+0x56/0x80 [ 300.323817][ C0] do_fast_syscall_32+0x2f/0x70 [ 300.328809][ C0] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 300.335176][ C0] RIP: 0023:0xf7fc7549 [ 300.339262][ C0] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 300.358874][ C0] RSP: 002b:00000000ffbb36cc EFLAGS: 00000246 ORIG_RAX: 0000000000000067 [ 300.367297][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000ffbb381c [ 300.375266][ C0] RDX: 000000000000003f RSI: 00000000080da24e RDI: 0000000000000040 [ 300.383278][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 300.391249][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 300.399219][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 300.407997][ C0] Kernel Offset: disabled [ 300.412454][ C0] Rebooting in 86400 seconds..