Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 29.003575] audit: type=1400 audit(1592358293.521:8): avc: denied { execmem } for pid=6314 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 29.271531] IPVS: ftp: loaded support on port[0] = 21 [ 30.520097] can: request_module (can-proto-0) failed. [ 30.528713] can: request_module (can-proto-0) failed. [ 30.536945] can: request_module (can-proto-0) failed. [ 30.563230] audit: type=1400 audit(1592358295.072:9): avc: denied { create } for pid=6293 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 '10.128.15.212' (ECDSA) to the list of known hosts. 2020/06/17 01:45:02 parsed 1 programs 2020/06/17 01:45:03 executed programs: 0 [ 38.587764] audit: type=1400 audit(1592358303.106:10): avc: denied { execmem } for pid=6430 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 38.856546] IPVS: ftp: loaded support on port[0] = 21 [ 39.634281] IPVS: ftp: loaded support on port[0] = 21 [ 39.690553] chnl_net:caif_netlink_parms(): no params data found [ 39.737168] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.743771] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.751165] device bridge_slave_0 entered promiscuous mode [ 39.758641] IPVS: ftp: loaded support on port[0] = 21 [ 39.759252] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.770307] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.778086] device bridge_slave_1 entered promiscuous mode [ 39.814152] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.823190] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.872022] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.883109] team0: Port device team_slave_0 added [ 39.889085] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 39.896327] team0: Port device team_slave_1 added [ 39.909057] chnl_net:caif_netlink_parms(): no params data found [ 39.918546] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.931412] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.952078] IPVS: ftp: loaded support on port[0] = 21 [ 39.987819] device hsr_slave_0 entered promiscuous mode [ 40.025722] device hsr_slave_1 entered promiscuous mode [ 40.076104] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.086111] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.154238] chnl_net:caif_netlink_parms(): no params data found [ 40.177940] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.184329] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.192510] device bridge_slave_0 entered promiscuous mode [ 40.202161] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.209368] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.216903] device bridge_slave_1 entered promiscuous mode [ 40.246617] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.253028] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.259981] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.266371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.277177] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.294666] IPVS: ftp: loaded support on port[0] = 21 [ 40.315217] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.348709] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.355345] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.362293] device bridge_slave_0 entered promiscuous mode [ 40.415795] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.422275] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.431205] device bridge_slave_1 entered promiscuous mode [ 40.444699] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.452571] team0: Port device team_slave_0 added [ 40.458942] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.466202] team0: Port device team_slave_1 added [ 40.474726] chnl_net:caif_netlink_parms(): no params data found [ 40.493573] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.501670] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.518721] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.530906] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.597442] device hsr_slave_0 entered promiscuous mode [ 40.645499] device hsr_slave_1 entered promiscuous mode [ 40.701056] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.708482] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.719237] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.728277] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.741921] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.749237] team0: Port device team_slave_0 added [ 40.755914] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.763003] team0: Port device team_slave_1 added [ 40.769746] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.786210] IPVS: ftp: loaded support on port[0] = 21 [ 40.792252] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.858826] device hsr_slave_0 entered promiscuous mode [ 40.895607] device hsr_slave_1 entered promiscuous mode [ 40.945768] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.953232] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.965741] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.972087] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.979937] device bridge_slave_0 entered promiscuous mode [ 40.988351] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.994689] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.002031] device bridge_slave_1 entered promiscuous mode [ 41.040602] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.051600] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.099405] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.122847] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.137004] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.150910] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.158642] team0: Port device team_slave_0 added [ 41.167662] chnl_net:caif_netlink_parms(): no params data found [ 41.183716] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.199488] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.207508] team0: Port device team_slave_1 added [ 41.213281] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.221435] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.253854] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.318260] device hsr_slave_0 entered promiscuous mode [ 41.365039] device hsr_slave_1 entered promiscuous mode [ 41.405910] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.413420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.426094] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.432502] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.439830] device bridge_slave_0 entered promiscuous mode [ 41.467321] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.473407] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.480231] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.487795] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.494132] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.501562] device bridge_slave_1 entered promiscuous mode [ 41.531001] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.538996] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.555846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.563573] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.571793] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.578285] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.605319] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 41.614577] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.633391] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.644273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 41.652669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.660995] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.667426] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.676209] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.683696] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.698380] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 41.706137] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.718164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.725547] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.732322] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 41.741467] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.750083] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.763794] chnl_net:caif_netlink_parms(): no params data found [ 41.774845] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.780906] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.795560] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 41.807023] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.813284] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.821403] team0: Port device team_slave_0 added [ 41.827975] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 41.840397] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 41.849835] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.863334] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.871042] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.879558] team0: Port device team_slave_1 added [ 41.888979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 41.896970] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.904455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.911473] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.919133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 41.926931] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.934436] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.940816] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.947846] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.955164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 41.964084] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 41.986567] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.992914] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.000527] device bridge_slave_0 entered promiscuous mode [ 42.008084] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.020199] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.028371] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.037436] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.047285] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.054073] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.060977] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.068814] device bridge_slave_1 entered promiscuous mode [ 42.081259] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.087446] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.094390] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.102015] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.112928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.120950] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.127340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.134292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.141910] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.151185] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.170521] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.183139] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.191908] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 42.202569] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.209247] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.218666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.226262] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.233783] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.242309] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.251914] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.261594] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.316990] device hsr_slave_0 entered promiscuous mode [ 42.364840] device hsr_slave_1 entered promiscuous mode [ 42.405499] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.412650] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.425132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.432743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.441012] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.448937] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.455352] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.462312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.470797] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.481031] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.491820] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.501044] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 42.507993] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.516352] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.523903] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.532414] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.540737] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.548836] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.555217] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.561993] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.576153] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.585695] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.591763] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.601322] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.611739] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.620995] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.634055] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.641218] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.648343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.656320] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.663824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.671441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.679146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.686871] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.696197] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.705857] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.715144] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.722250] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.733403] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.742060] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.749490] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.757275] team0: Port device team_slave_0 added [ 42.763143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.771294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.779353] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.785762] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.792706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.800777] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.808498] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.815234] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.821917] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.831323] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.845597] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.860456] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.868599] team0: Port device team_slave_1 added [ 42.873745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.882159] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.889923] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.896304] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.905141] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.913435] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.922996] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.930600] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.942175] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.949492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.957564] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.965248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.975041] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.984684] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.993447] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.013466] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.023672] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.031868] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.039436] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.047171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.055447] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.062924] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.072811] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.082647] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 43.091936] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.147495] device hsr_slave_0 entered promiscuous mode [ 43.163414] BUG: unable to handle kernel NULL pointer dereference at 0000000000000002 [ 43.171387] IP: mem16_serial_out+0x61/0xa0 [ 43.175607] PGD 9a063067 P4D 9a063067 PUD 8324e067 PMD 0 [ 43.181134] Oops: 0002 [#1] PREEMPT SMP KASAN [ 43.185674] Modules linked in: [ 43.188844] CPU: 1 PID: 7319 Comm: syz-executor.3 Not tainted 4.14.184-syzkaller #0 [ 43.196625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.205957] task: ffff88808f4f6500 task.stack: ffff888084730000 [ 43.212003] RIP: 0010:mem16_serial_out+0x61/0xa0 [ 43.216729] RSP: 0018:ffff8880847378a0 EFLAGS: 00010202 [ 43.222076] RAX: dffffc0000000000 RBX: ffffffff8a460ed0 RCX: 1ffffffff148c1e2 [ 43.229319] RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffffffff8a460f10 [ 43.236738] RBP: ffff8880847378b0 R08: ffff88808f4f6dd0 R09: 0000000000000000 [ 43.243979] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8a460f20 [ 43.251321] R13: ffffffff8a460ed0 R14: ffffffff8a460ed0 R15: ffffffff8a460f9c [ 43.258562] FS: 00007fe6f51a3700(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 43.266771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.272624] CR2: 0000000000000002 CR3: 000000009a062000 CR4: 00000000001406e0 [ 43.279867] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.287109] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.294350] Call Trace: [ 43.296912] serial8250_clear_fifos.part.7+0x35/0xb0 [ 43.301986] serial8250_do_startup+0x34c/0x1b10 [ 43.306640] serial8250_startup+0x39/0x50 [ 43.310846] uart_startup.part.19+0x2a0/0x710 [ 43.315313] uart_ioctl+0x126b/0x2b80 [ 43.319085] ? uart_port_activate+0x1d0/0x1d0 [ 43.323566] ? __might_fault+0xf1/0x1b0 [ 43.327526] tty_ioctl+0x434/0x1260 [ 43.331155] ? avc_ss_reset+0xd0/0xd0 [ 43.334931] ? tty_vhangup+0x20/0x20 [ 43.338620] ? __lock_acquire+0x6a4/0x4500 [ 43.342829] ? trace_hardirqs_on+0x10/0x10 [ 43.347036] ? trace_hardirqs_off+0x10/0x10 [ 43.351365] ? __might_sleep+0x93/0xb0 [ 43.355225] do_vfs_ioctl+0x180/0xfb0 [ 43.359007] ? __fget+0x1ad/0x2f0 [ 43.362435] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.366827] ? __fget+0x1ca/0x2f0 [ 43.370266] ? security_file_ioctl+0x6a/0xa0 [ 43.374642] ? SyS_clock_settime+0x1a0/0x1a0 [ 43.379035] ? security_file_ioctl+0x6a/0xa0 [ 43.383414] SyS_ioctl+0x74/0x80 [ 43.386752] ? do_vfs_ioctl+0xfb0/0xfb0 [ 43.390696] do_syscall_64+0x1c7/0x5b0 [ 43.394552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.399368] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.404549] RIP: 0033:0x45a919 [ 43.407708] RSP: 002b:00007fe6f51a2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.415572] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a919 [ 43.424028] RDX: 0000000020000240 RSI: 000000000000541f RDI: 0000000000000003 [ 43.431270] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 43.438524] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe6f51a36d4 [ 43.445765] R13: 00000000004c5e04 R14: 00000000004dc270 R15: 00000000ffffffff [ 43.453022] Code: 0f b6 8b d1 00 00 00 48 8d 7b 40 48 b8 00 00 00 00 00 fc ff df d3 e6 48 89 f9 48 c1 e9 03 80 3c 01 00 75 24 48 63 f6 48 03 73 40 <66> 89 16 48 83 c4 08 5b 5d c3 89 55 f0 89 75 f4 e8 6a 3b 37 fe [ 43.472169] RIP: mem16_serial_out+0x61/0xa0 RSP: ffff8880847378a0 [ 43.478373] CR2: 0000000000000002 [ 43.483114] ---[ end trace d9f89f8725e365c8 ]--- [ 43.488313] device hsr_slave_1 entered promiscuous mode [ 43.493955] Kernel panic - not syncing: Fatal exception [ 43.500499] Kernel Offset: disabled [ 43.504111] Rebooting in 86400 seconds..