[ 30.868047][ T26] audit: type=1800 audit(1557438949.687:22): pid=6952 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 46.563328][ T7120] IPVS: ftp: loaded support on port[0] = 21 [ 46.998376][ T7102] can: request_module (can-proto-0) failed. [ 47.937587][ T7102] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.10.47' (ECDSA) to the list of known hosts. 2019/05/09 21:56:14 parsed 1 programs 2019/05/09 21:56:15 executed programs: 0 [ 56.388545][ T7197] IPVS: ftp: loaded support on port[0] = 21 [ 56.391680][ T7196] IPVS: ftp: loaded support on port[0] = 21 [ 56.407460][ T7193] IPVS: ftp: loaded support on port[0] = 21 [ 56.413847][ T7199] IPVS: ftp: loaded support on port[0] = 21 [ 56.414656][ T7194] IPVS: ftp: loaded support on port[0] = 21 [ 56.434551][ T7201] IPVS: ftp: loaded support on port[0] = 21 [ 56.641438][ T7197] chnl_net:caif_netlink_parms(): no params data found [ 56.656203][ T7193] chnl_net:caif_netlink_parms(): no params data found [ 56.759265][ T7197] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.767685][ T7197] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.775427][ T7197] device bridge_slave_0 entered promiscuous mode [ 56.784858][ T7197] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.792347][ T7197] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.800101][ T7197] device bridge_slave_1 entered promiscuous mode [ 56.817642][ T7193] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.825124][ T7193] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.832775][ T7193] device bridge_slave_0 entered promiscuous mode [ 56.844541][ T7201] chnl_net:caif_netlink_parms(): no params data found [ 56.875266][ T7194] chnl_net:caif_netlink_parms(): no params data found [ 56.883548][ T7193] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.891043][ T7193] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.898574][ T7193] device bridge_slave_1 entered promiscuous mode [ 56.926441][ T7197] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.940449][ T7199] chnl_net:caif_netlink_parms(): no params data found [ 56.956829][ T7193] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.969794][ T7197] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.985656][ T7196] chnl_net:caif_netlink_parms(): no params data found [ 56.995379][ T7193] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.045254][ T7197] team0: Port device team_slave_0 added [ 57.053723][ T7197] team0: Port device team_slave_1 added [ 57.076538][ T7194] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.084352][ T7194] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.092228][ T7194] device bridge_slave_0 entered promiscuous mode [ 57.109380][ T7201] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.117074][ T7201] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.125079][ T7201] device bridge_slave_0 entered promiscuous mode [ 57.132636][ T7201] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.139719][ T7201] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.147525][ T7201] device bridge_slave_1 entered promiscuous mode [ 57.169082][ T7194] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.176495][ T7194] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.184179][ T7194] device bridge_slave_1 entered promiscuous mode [ 57.192040][ T7193] team0: Port device team_slave_0 added [ 57.213930][ T7194] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 57.227176][ T7199] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.234997][ T7199] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.242803][ T7199] device bridge_slave_0 entered promiscuous mode [ 57.253150][ T7193] team0: Port device team_slave_1 added [ 57.269956][ T7196] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.277229][ T7196] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.285417][ T7196] device bridge_slave_0 entered promiscuous mode [ 57.293670][ T7194] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.306714][ T7199] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.313867][ T7199] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.322100][ T7199] device bridge_slave_1 entered promiscuous mode [ 57.333716][ T7201] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 57.402837][ T7197] device hsr_slave_0 entered promiscuous mode [ 57.450754][ T7197] device hsr_slave_1 entered promiscuous mode [ 57.501101][ T7196] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.508208][ T7196] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.516189][ T7196] device bridge_slave_1 entered promiscuous mode [ 57.543153][ T7199] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 57.553077][ T7201] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.575828][ T7194] team0: Port device team_slave_0 added [ 57.583546][ T7199] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.615673][ T7196] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 57.653518][ T7193] device hsr_slave_0 entered promiscuous mode [ 57.700684][ T7193] device hsr_slave_1 entered promiscuous mode [ 57.741605][ T7194] team0: Port device team_slave_1 added [ 57.750876][ T7201] team0: Port device team_slave_0 added [ 57.757547][ T7199] team0: Port device team_slave_0 added [ 57.764350][ T7196] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.833189][ T7194] device hsr_slave_0 entered promiscuous mode [ 57.900668][ T7194] device hsr_slave_1 entered promiscuous mode [ 57.975454][ T7201] team0: Port device team_slave_1 added [ 57.982123][ T7199] team0: Port device team_slave_1 added [ 57.998014][ T7196] team0: Port device team_slave_0 added [ 58.011678][ T7196] team0: Port device team_slave_1 added [ 58.061894][ T7196] device hsr_slave_0 entered promiscuous mode [ 58.100843][ T7196] device hsr_slave_1 entered promiscuous mode [ 58.202102][ T7201] device hsr_slave_0 entered promiscuous mode [ 58.250727][ T7201] device hsr_slave_1 entered promiscuous mode [ 58.331821][ T7199] device hsr_slave_0 entered promiscuous mode [ 58.380727][ T7199] device hsr_slave_1 entered promiscuous mode [ 58.529925][ T7197] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.547539][ T7194] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.568454][ T7197] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.583943][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.592759][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.613295][ T7194] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.629628][ T7197] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.642219][ T7197] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.654914][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.665820][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.674238][ T2920] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.681426][ T2920] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.695690][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.704576][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.713159][ T2920] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.720209][ T2920] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.727756][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.735584][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.743341][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.751873][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.760191][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.768682][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.776944][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.785448][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.793937][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.802217][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.810932][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.819085][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.828286][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.836114][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.843844][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.876299][ T7199] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.884231][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.893441][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.902572][ T2917] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.918814][ T2917] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.926815][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.935530][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.943852][ T2917] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.950950][ T2917] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.963335][ T7193] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.975656][ T7197] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.989598][ T7196] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.001014][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.010535][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.019070][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.026788][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.049359][ T7201] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.065582][ T7199] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.076896][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.088382][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.100904][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.109454][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.119499][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.127531][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.136282][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.144898][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.153465][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.161878][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.170059][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.178500][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.187315][ T7194] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.197589][ T7193] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.212694][ T7196] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.229835][ T3483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.250174][ T3483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.252026][ T7211] FAULT_INJECTION: forcing a failure. [ 59.252026][ T7211] name failslab, interval 1, probability 0, space 0, times 1 [ 59.258752][ T3483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.281194][ T3483] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.282923][ T7211] CPU: 0 PID: 7211 Comm: syz-executor.0 Not tainted 5.1.0-rc4+ #1 [ 59.289722][ T3483] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.297041][ T7211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.297046][ T7211] Call Trace: [ 59.297064][ T7211] dump_stack+0x113/0x167 [ 59.297074][ T7211] should_fail.cold.4+0x5/0x13 [ 59.297080][ T7211] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 59.297088][ T7211] ? ___might_sleep+0x16b/0x270 [ 59.297095][ T7211] __should_failslab+0xba/0xf0 [ 59.297102][ T7211] should_failslab+0x9/0x14 [ 59.297108][ T7211] __kmalloc+0x2e4/0x760 [ 59.297118][ T7211] ? security_task_alloc+0xbf/0x140 [ 59.297125][ T7211] security_task_alloc+0xbf/0x140 [ 59.297133][ T7211] copy_process.part.39+0x1cf6/0x70f0 [ 59.297139][ T7211] ? __lock_acquire+0x5ea/0x4390 [ 59.297145][ T7211] ? __might_fault+0xf1/0x1b0 [ 59.297150][ T7211] ? lock_downgrade+0x860/0x860 [ 59.297160][ T7211] ? find_held_lock+0x36/0x1d0 [ 59.297172][ T7211] ? __cleanup_sighand+0x30/0x30 [ 59.304298][ T3483] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.314291][ T7211] ? __f_unlock_pos+0xd/0x10 [ 59.314299][ T7211] ? lock_downgrade+0x860/0x860 [ 59.314312][ T7211] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 59.314322][ T7211] _do_fork+0x160/0xb90 [ 59.314331][ T7211] ? fork_idle+0x250/0x250 [ 59.314337][ T7211] ? fput+0xe/0x10 [ 59.314342][ T7211] ? ksys_write+0x1ce/0x260 [ 59.314350][ T7211] ? __ia32_sys_read+0xa0/0xa0 [ 59.323360][ T3483] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.326997][ T7211] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 59.327010][ T7211] ? do_fast_syscall_32+0xd1/0xa60 [ 59.327018][ T7211] ? entry_SYSENTER_compat+0x70/0x7f [ 59.327031][ T7211] __ia32_compat_sys_x86_clone+0xb7/0x140 [ 59.335260][ T3483] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.337697][ T7211] do_fast_syscall_32+0x23b/0xa60 [ 59.337709][ T7211] entry_SYSENTER_compat+0x70/0x7f [ 59.337715][ T7211] RIP: 0023:0xf7ff0849 [ 59.337725][ T7211] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 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 [ 59.347326][ T3483] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.351211][ T7211] RSP: 002b:00000000f7fec0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000078 [ 59.351218][ T7211] RAX: ffffffffffffffda RBX: 0000000000003ffc RCX: 0000000000000000 [ 59.351221][ T7211] RDX: 00000000200005c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.351224][ T7211] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 59.351227][ T7211] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 59.351230][ T7211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 59.361584][ T3483] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.376388][ T7201] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.390080][ T7214] FAULT_INJECTION: forcing a failure. [ 59.390080][ T7214] name failslab, interval 1, probability 0, space 0, times 0 [ 59.438437][ T7193] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.516495][ T7193] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.532243][ T7214] CPU: 0 PID: 7214 Comm: syz-executor.0 Not tainted 5.1.0-rc4+ #1 [ 59.618706][ T7214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.628761][ T7214] Call Trace: [ 59.632045][ T7214] dump_stack+0x113/0x167 [ 59.636354][ T7214] should_fail.cold.4+0x5/0x13 [ 59.641109][ T7214] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 59.646902][ T7214] ? ___might_sleep+0x16b/0x270 [ 59.651730][ T7214] __should_failslab+0xba/0xf0 [ 59.656565][ T7214] should_failslab+0x9/0x14 [ 59.661043][ T7214] kmem_cache_alloc+0x2b3/0x720 [ 59.666023][ T7214] __d_alloc+0x28/0x8a0 [ 59.670154][ T7214] d_alloc_pseudo+0x9/0x10 [ 59.674548][ T7214] alloc_file_pseudo+0xe5/0x260 [ 59.679375][ T7214] ? alloc_file+0x450/0x450 [ 59.683860][ T7214] ? kasan_check_read+0x11/0x20 [ 59.688686][ T7214] ? _raw_spin_unlock+0x2c/0x50 [ 59.693517][ T7214] ? __alloc_fd+0x189/0x420 [ 59.698003][ T7214] anon_inode_getfile+0xa2/0x1d0 [ 59.702926][ T7214] anon_inode_getfd+0x37/0x70 [ 59.707576][ T7214] copy_process.part.39+0x4c0a/0x70f0 [ 59.712929][ T7214] ? __lock_acquire+0x5ea/0x4390 [ 59.717934][ T7214] ? __might_fault+0xf1/0x1b0 [ 59.722605][ T7214] ? lock_downgrade+0x860/0x860 [ 59.727454][ T7214] ? find_held_lock+0x36/0x1d0 [ 59.732286][ T7214] ? __cleanup_sighand+0x30/0x30 [ 59.737205][ T7214] ? lock_downgrade+0x860/0x860 [ 59.742036][ T7214] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 59.747574][ T7214] _do_fork+0x160/0xb90 [ 59.751720][ T7214] ? fork_idle+0x250/0x250 [ 59.756110][ T7214] ? fput+0xe/0x10 [ 59.759833][ T7214] ? ksys_write+0x1ce/0x260 [ 59.764423][ T7214] ? __ia32_sys_read+0xa0/0xa0 [ 59.769181][ T7214] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 59.774625][ T7214] ? do_fast_syscall_32+0xd1/0xa60 [ 59.779717][ T7214] ? entry_SYSENTER_compat+0x70/0x7f [ 59.785018][ T7214] __ia32_compat_sys_x86_clone+0xb7/0x140 [ 59.790718][ T7214] do_fast_syscall_32+0x23b/0xa60 [ 59.795748][ T7214] entry_SYSENTER_compat+0x70/0x7f [ 59.800838][ T7214] RIP: 0023:0xf7ff0849 [ 59.804888][ T7214] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 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 [ 59.824474][ T7214] RSP: 002b:00000000f7fec0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000078 [ 59.832881][ T7214] RAX: ffffffffffffffda RBX: 0000000000003ffc RCX: 0000000000000000 [ 59.840836][ T7214] RDX: 00000000200005c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.848794][ T7214] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 59.856753][ T7214] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 59.864892][ T7214] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 59.876664][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.884373][ T7214] ------------[ cut here ]------------ [ 59.886357][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.889836][ T7214] DEBUG_LOCKS_WARN_ON(depth <= 0) [ 59.889872][ T7214] WARNING: CPU: 0 PID: 7214 at kernel/locking/lockdep.c:3961 lock_release+0x613/0x8b0 [ 59.889877][ T7214] Kernel panic - not syncing: panic_on_warn set ... [ 59.901684][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.903370][ T7214] CPU: 0 PID: 7214 Comm: syz-executor.0 Not tainted 5.1.0-rc4+ #1 [ 59.903373][ T7214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.903376][ T7214] Call Trace: [ 59.903388][ T7214] dump_stack+0x113/0x167 [ 59.903397][ T7214] ? lock_release+0x613/0x8b0 [ 59.914563][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.919598][ T7214] panic+0x212/0x41d [ 59.919605][ T7214] ? __warn_printk+0xd6/0xd6 [ 59.919612][ T7214] __warn.cold.8+0x1b/0x36 [ 59.928854][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.934604][ T7214] ? lock_release+0x613/0x8b0 [ 59.934612][ T7214] report_bug+0x1a4/0x200 [ 59.934619][ T7214] do_error_trap+0x11b/0x200 [ 59.934623][ T7214] do_invalid_op+0x36/0x40 [ 59.934626][ T7214] ? lock_release+0x613/0x8b0 [ 59.934631][ T7214] invalid_op+0x14/0x20 [ 59.934636][ T7214] RIP: 0010:lock_release+0x613/0x8b0 [ 59.934640][ T7214] Code: 03 38 d0 7c 08 84 d2 0f 85 a3 02 00 00 8b 35 c8 ce 83 07 85 f6 75 15 48 c7 c6 20 af ea 86 48 c7 c7 80 7e ea 86 e8 40 f6 ec ff <0f> 0b 48 8b 95 70 ff ff ff 4c 89 ee 4c 89 f7 e8 69 56 ff ff e9 df [ 59.934643][ T7214] RSP: 0018:ffff888090407a98 EFLAGS: 00010086 [ 59.934646][ T7214] RAX: 0000000000000000 RBX: 1ffff11012080f57 RCX: 0000000000000000 [ 59.934649][ T7214] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 59.934651][ T7214] RBP: ffff888090407b40 R08: fffffbfff10328a1 R09: fffffbfff10328a0 [ 59.934654][ T7214] R10: fffffbfff10328a0 R11: ffffffff88194503 R12: ffffffff89cc6a20 [ 59.934656][ T7214] R13: ffffffff89ccbab8 R14: ffff8880915fc100 R15: ffff8880915fc978 [ 59.934663][ T7214] ? lock_release+0x613/0x8b0 [ 59.934666][ T7214] ? lock_downgrade+0x860/0x860 [ 59.934676][ T7214] ? copy_process.part.39+0x4b3d/0x70f0 [ 59.947372][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.948026][ T7214] ? lock_downgrade+0x860/0x860 [ 59.952435][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.957029][ T7214] ? kasan_check_read+0x11/0x20 [ 59.968081][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.968972][ T7214] percpu_up_read.constprop.43+0xa6/0xd0 [ 59.974022][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.977953][ T7214] copy_process.part.39+0x4b3d/0x70f0 [ 59.977958][ T7214] ? __lock_acquire+0x5ea/0x4390 [ 59.977964][ T7214] ? __might_fault+0xf1/0x1b0 [ 59.977968][ T7214] ? lock_downgrade+0x860/0x860 [ 59.977974][ T7214] ? find_held_lock+0x36/0x1d0 [ 59.988435][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.990615][ T7214] ? __cleanup_sighand+0x30/0x30 [ 59.990620][ T7214] ? lock_downgrade+0x860/0x860 [ 59.990629][ T7214] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 59.990633][ T7214] _do_fork+0x160/0xb90 [ 59.990639][ T7214] ? fork_idle+0x250/0x250 [ 59.990644][ T7214] ? fput+0xe/0x10 [ 59.990651][ T7214] ? ksys_write+0x1ce/0x260 [ 59.994995][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.999575][ T7214] ? __ia32_sys_read+0xa0/0xa0 [ 60.007007][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.008638][ T7214] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 60.008643][ T7214] ? do_fast_syscall_32+0xd1/0xa60 [ 60.008649][ T7214] ? entry_SYSENTER_compat+0x70/0x7f [ 60.008658][ T7214] __ia32_compat_sys_x86_clone+0xb7/0x140 [ 60.013366][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.018068][ T7214] do_fast_syscall_32+0x23b/0xa60 [ 60.018075][ T7214] entry_SYSENTER_compat+0x70/0x7f [ 60.018080][ T7214] RIP: 0023:0xf7ff0849 [ 60.018087][ T7214] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 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 [ 60.041836][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.043763][ T7214] RSP: 002b:00000000f7fec0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000078 [ 60.043769][ T7214] RAX: ffffffffffffffda RBX: 0000000000003ffc RCX: 0000000000000000 [ 60.043771][ T7214] RDX: 00000000200005c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.043773][ T7214] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 60.043775][ T7214] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 60.043777][ T7214] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 60.052765][ T7214] Kernel Offset: disabled [ 60.353038][ T7214] Rebooting in 86400 seconds..