[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 33.814957] audit: type=1400 audit(1589612232.235:9): avc: denied { execmem } for pid=5981 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 34.091797] IPVS: ftp: loaded support on port[0] = 21 [ 35.254172] can: request_module (can-proto-0) failed. [ 35.262974] can: request_module (can-proto-0) failed. [ 35.289013] audit: type=1400 audit(1589612233.705:10): avc: denied { create } for pid=5959 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.0.192' (ECDSA) to the list of known hosts. 2020/05/16 06:57:21 parsed 1 programs 2020/05/16 06:57:22 executed programs: 0 [ 43.706776] audit: type=1400 audit(1589612242.118:11): avc: denied { execmem } for pid=6095 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 43.746355] audit: type=1400 audit(1589612242.158:12): avc: denied { execmem } for pid=6100 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 43.780377] IPVS: ftp: loaded support on port[0] = 21 [ 44.085872] IPVS: ftp: loaded support on port[0] = 21 [ 44.144873] chnl_net:caif_netlink_parms(): no params data found [ 44.183646] IPVS: ftp: loaded support on port[0] = 21 [ 44.200886] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.207605] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.215453] device bridge_slave_0 entered promiscuous mode [ 44.224738] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.231416] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.238833] device bridge_slave_1 entered promiscuous mode [ 44.300877] chnl_net:caif_netlink_parms(): no params data found [ 44.329856] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.351504] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.375406] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.383830] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.391433] device bridge_slave_0 entered promiscuous mode [ 44.403705] IPVS: ftp: loaded support on port[0] = 21 [ 44.405038] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.416629] team0: Port device team_slave_0 added [ 44.423931] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.431073] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.438637] device bridge_slave_1 entered promiscuous mode [ 44.445219] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.452885] team0: Port device team_slave_1 added [ 44.476809] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.486761] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.501070] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.511618] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.560748] device hsr_slave_0 entered promiscuous mode [ 44.587937] device hsr_slave_1 entered promiscuous mode [ 44.631973] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.663724] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.675514] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.683526] team0: Port device team_slave_0 added [ 44.689180] chnl_net:caif_netlink_parms(): no params data found [ 44.702748] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.710086] team0: Port device team_slave_1 added [ 44.718967] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.733552] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.746799] IPVS: ftp: loaded support on port[0] = 21 [ 44.763996] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.771176] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.778220] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.784790] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.840544] device hsr_slave_0 entered promiscuous mode [ 44.877814] device hsr_slave_1 entered promiscuous mode [ 44.930044] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.939386] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.956732] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.963315] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.970577] device bridge_slave_0 entered promiscuous mode [ 44.989143] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.995504] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.004056] device bridge_slave_1 entered promiscuous mode [ 45.070553] chnl_net:caif_netlink_parms(): no params data found [ 45.085569] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.096323] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.113567] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.120180] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.126835] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.133237] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.169838] IPVS: ftp: loaded support on port[0] = 21 [ 45.180341] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.187342] team0: Port device team_slave_0 added [ 45.195668] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.213982] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.221194] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.228817] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.256506] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.263055] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.270316] device bridge_slave_0 entered promiscuous mode [ 45.276802] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.284420] team0: Port device team_slave_1 added [ 45.290820] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.304772] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.312258] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.318827] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.325723] device bridge_slave_1 entered promiscuous mode [ 45.332697] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.346932] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.410037] device hsr_slave_0 entered promiscuous mode [ 45.447679] device hsr_slave_1 entered promiscuous mode [ 45.497182] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.513386] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.523202] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.535065] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.546638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.554544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.567116] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.573671] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.585752] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.594295] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.603860] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.615083] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.638371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.646279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.654697] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.661115] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.669848] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.682609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.690980] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.699697] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.706063] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.727241] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.736147] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.773033] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.780790] team0: Port device team_slave_0 added [ 45.786071] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.794858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.805110] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.811838] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.824103] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.832010] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.839885] team0: Port device team_slave_1 added [ 45.845196] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.854836] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.862483] chnl_net:caif_netlink_parms(): no params data found [ 45.876303] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.885060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.893189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.900951] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.909002] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.917429] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.925393] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.935265] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.944502] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.000226] device hsr_slave_0 entered promiscuous mode [ 46.048753] device hsr_slave_1 entered promiscuous mode [ 46.101228] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.109186] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.116756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.125019] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.133484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.141439] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.149590] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.158124] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.166048] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.174854] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.185414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.193046] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.200626] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.208451] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.215920] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.222315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.234634] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.254765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.263640] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.276656] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.305210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.313246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.320864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.335070] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.343262] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.352380] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.380845] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.388243] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.395055] device bridge_slave_0 entered promiscuous mode [ 46.406634] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.413718] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.422076] device bridge_slave_1 entered promiscuous mode [ 46.430789] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.443423] chnl_net:caif_netlink_parms(): no params data found [ 46.457061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.465701] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.473572] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.482427] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.494681] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.508588] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.517817] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.543661] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.551508] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.563017] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.575955] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.586724] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.596832] team0: Port device team_slave_0 added [ 46.604293] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.618966] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.626817] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.634691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.642833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.650682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.658481] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.666547] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.674809] team0: Port device team_slave_1 added [ 46.680982] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.688997] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.703415] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.712195] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.723645] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.746868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.755957] memory commitment underflow [ 46.756036] ------------[ cut here ]------------ [ 46.760118] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.764915] WARNING: CPU: 1 PID: 6945 at mm/util.c:606 __vm_enough_memory.cold.4+0x13/0x62 [ 46.764924] Kernel panic - not syncing: panic_on_warn set ... [ 46.764924] [ 46.764929] CPU: 1 PID: 6945 Comm: systemd-udevd Not tainted 4.14.180-syzkaller #0 [ 46.764932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.764934] Call Trace: [ 46.764945] dump_stack+0xf7/0x13b [ 46.764951] ? __vm_enough_memory.cold.4+0x13/0x62 [ 46.784577] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.787799] panic+0x1b0/0x36a [ 46.787805] ? add_taint.cold.5+0x11/0x11 [ 46.787817] ? __vm_enough_memory.cold.4+0x13/0x62 [ 46.787820] __warn.cold.8+0x25/0x2a [ 46.787826] ? __vm_enough_memory.cold.4+0x13/0x62 [ 46.787833] report_bug+0x1a4/0x1f3 [ 46.787842] do_error_trap+0x1bd/0x310 [ 46.787848] ? math_error+0x300/0x300 [ 46.787856] ? vprintk_emit+0x1be/0x4e0 [ 46.787865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.787872] do_invalid_op+0x1b/0x20 [ 46.787879] invalid_op+0x1b/0x40 [ 46.787884] RIP: 0010:__vm_enough_memory.cold.4+0x13/0x62 [ 46.787887] RSP: 0018:ffff888097e077f0 EFLAGS: 00010286 [ 46.787893] RAX: 000000000000001b RBX: ffffffff87a05be0 RCX: 0000000000000000 [ 46.787896] RDX: 000000000000001b RSI: ffff8880837e48f0 RDI: ffffed1012fc0ef5 [ 46.787898] RBP: ffff888097e07828 R08: ffff8880837e4910 R09: 0000000000000000 [ 46.787901] R10: 0000000000000000 R11: dffffc0000000000 R12: 0000000000000001 [ 46.787904] R13: 0000000000000001 R14: ffff888096e1ecc0 R15: fff8000000014043 [ 46.787921] security_vm_enough_memory_mm+0x80/0xa0 [ 46.787927] shmem_alloc_and_acct_page+0x30e/0x670 [ 46.787936] shmem_getpage_gfp+0x30e/0x2050 [ 46.787949] ? shmem_add_to_page_cache+0x7e0/0x7e0 [ 46.787956] ? find_held_lock+0x36/0x1d0 [ 46.787964] ? copy_page_from_iter+0x730/0x730 [ 46.787971] ? __vfs_setxattr+0x130/0x130 [ 46.787976] shmem_write_begin+0xe0/0x1b0 [ 46.815024] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.816373] generic_perform_write+0x274/0x460 [ 46.825805] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.829543] ? page_endio+0x430/0x430 [ 46.829549] ? file_update_time+0xde/0x360 [ 46.829555] ? current_time+0xa0/0xa0 [ 46.829564] ? lock_acquire+0x173/0x400 [ 46.829568] ? generic_file_write_iter+0x97/0x650 [ 46.829575] __generic_file_write_iter+0x201/0x580 [ 46.829582] generic_file_write_iter+0x29f/0x650 [ 46.829591] __vfs_write+0x41b/0x850 [ 46.829596] ? trace_hardirqs_off+0x10/0x10 [ 46.829602] ? kernel_read+0x130/0x130 [ 46.829619] ? rcu_sync_lockdep_assert+0x73/0xb0 [ 46.829625] ? __sb_start_write+0x1f3/0x2a0 [ 46.844017] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.846760] vfs_write+0x150/0x4f0 [ 46.850725] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.854404] SyS_write+0x100/0x250 [ 46.863371] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.866985] ? SyS_read+0x250/0x250 [ 46.873639] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.875945] ? SyS_read+0x250/0x250 [ 46.895784] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.895812] do_syscall_64+0x1c9/0x5b0 [ 46.911889] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.917798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.917810] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.917814] RIP: 0033:0x7f1c50d70970 [ 46.917817] RSP: 002b:00007ffd59384e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.917823] RAX: ffffffffffffffda RBX: 000000000000003c RCX: 00007f1c50d70970 [ 46.917826] RDX: 000000000000003c RSI: 0000556160b4ffc0 RDI: 000000000000000f [ 46.917828] RBP: 0000556160b4ffc0 R08: 0000556160b3c230 R09: 00007f1c51efd8c0 [ 46.917831] R10: 0000000000000073 R11: 0000000000000246 R12: 000000000000003c [ 46.917833] R13: 0000000000000001 R14: 0000556160b3c150 R15: 000000000000003c [ 46.919498] Kernel Offset: disabled [ 47.142810] Rebooting in 86400 seconds..