[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 57.997247] IPVS: Creating netns size=2712 id=1 [ 58.002927] IPVS: ftp: loaded support on port[0] = 21 [ 58.735410] audit_printk_skb: 12 callbacks suppressed [ 58.740664] audit: type=1400 audit(1578571902.477:34): avc: denied { create } for pid=7700 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 [ 58.765690] audit: type=1400 audit(1578571902.507:35): avc: denied { create } for pid=7700 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 58.790127] audit: type=1400 audit(1578571902.527:36): avc: denied { create } for pid=7700 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. 2020/01/09 12:11:49 parsed 1 programs 2020/01/09 12:11:50 executed programs: 0 [ 66.442630] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 66.457850] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 66.473567] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 66.483535] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 66.491917] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 66.500119] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 66.518676] IPVS: Creating netns size=2712 id=2 [ 66.523559] IPVS: ftp: loaded support on port[0] = 21 [ 66.596324] IPVS: Creating netns size=2712 id=3 [ 66.601254] IPVS: ftp: loaded support on port[0] = 21 [ 66.756949] chnl_net:caif_netlink_parms(): no params data found [ 66.765230] IPVS: Creating netns size=2712 id=4 [ 66.770173] IPVS: ftp: loaded support on port[0] = 21 [ 66.950272] IPVS: Creating netns size=2712 id=5 [ 66.956151] IPVS: ftp: loaded support on port[0] = 21 [ 66.985799] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.992571] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.002223] device bridge_slave_0 entered promiscuous mode [ 67.068086] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.075157] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.084548] device bridge_slave_1 entered promiscuous mode [ 67.217791] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.243299] chnl_net:caif_netlink_parms(): no params data found [ 67.260596] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.339690] IPVS: Creating netns size=2712 id=6 [ 67.345199] IPVS: ftp: loaded support on port[0] = 21 [ 67.477702] chnl_net:caif_netlink_parms(): no params data found [ 67.557312] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 67.566454] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 67.633674] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.640130] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.649300] device bridge_slave_0 entered promiscuous mode [ 67.708132] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.714630] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.724025] device bridge_slave_1 entered promiscuous mode [ 67.778020] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.862121] IPVS: Creating netns size=2712 id=7 [ 67.867014] IPVS: ftp: loaded support on port[0] = 21 [ 67.889577] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.988201] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 67.996293] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 68.070088] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.077428] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.086565] device bridge_slave_0 entered promiscuous mode [ 68.116539] chnl_net:caif_netlink_parms(): no params data found [ 68.151906] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.158442] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.167511] device bridge_slave_1 entered promiscuous mode [ 68.195381] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 68.260747] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 68.293327] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.420287] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.665219] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 68.746014] chnl_net:caif_netlink_parms(): no params data found [ 68.760584] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 68.768659] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 68.808522] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.816388] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.826024] device bridge_slave_0 entered promiscuous mode [ 68.834263] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 68.866320] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.873025] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.882407] device bridge_slave_1 entered promiscuous mode [ 68.932673] chnl_net:caif_netlink_parms(): no params data found [ 69.040339] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 69.054629] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 69.127369] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 69.200073] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 69.294853] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 69.375990] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.382786] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.392265] device bridge_slave_0 entered promiscuous mode [ 69.403967] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.412049] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.418532] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.427718] device bridge_slave_0 entered promiscuous mode [ 69.435143] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.441928] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.450788] device bridge_slave_1 entered promiscuous mode [ 69.462313] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 69.490523] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.497123] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.506166] device bridge_slave_1 entered promiscuous mode [ 69.666099] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 69.678506] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 69.719524] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 69.751240] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 69.776494] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 69.813088] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 69.914364] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.938811] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 69.947745] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 70.085613] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 70.097373] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 70.132627] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 70.153807] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 70.208912] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 70.308055] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.340774] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 70.374961] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 70.394378] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 70.464473] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 70.569957] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.600747] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.617584] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 70.698503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.777625] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 70.795608] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.805667] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.812103] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.847894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.855640] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.864185] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.870659] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.897670] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.915712] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.923666] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.930053] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.938056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.946386] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.952791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.962497] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 70.977958] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 70.989343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.006110] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 71.039451] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.071637] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 71.144727] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.155071] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.167863] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 71.189817] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.207375] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 71.246996] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.260189] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.280642] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.288910] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.295372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.303548] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.324876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.365573] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.385761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.400042] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.407809] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.486296] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.508977] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.515446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.544194] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 71.553067] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.560487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.568574] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.574995] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.596920] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 71.622449] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.637385] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.654183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.667690] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 71.683786] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.702502] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.721783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.733670] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.748972] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 71.765649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.803793] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.818785] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.849391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.887332] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.902115] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.908538] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.933487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.952711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.968698] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.975147] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.045070] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 72.062219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.069975] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.076407] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.090110] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 72.129855] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.140786] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.149055] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.155502] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.194466] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 72.216491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.255593] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.303266] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 72.311272] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.338823] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 72.411596] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 72.418483] device veth0_vlan entered promiscuous mode [ 72.426265] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 72.432991] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 72.459723] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.469463] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.505818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.542158] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.549320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.619184] device veth1_vlan entered promiscuous mode [ 72.820904] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 72.849438] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.897942] audit: type=1400 audit(1578571916.637:37): avc: denied { associate } for pid=7778 comm="syz-executor.1" name="syz1" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 72.958931] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 72.980168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.038838] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 73.077246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.102753] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 73.121032] device veth0_vlan entered promiscuous mode [ 73.127076] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 73.135208] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 73.180524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.213911] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.222840] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.280258] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 73.295759] device veth0_vlan entered promiscuous mode [ 73.296431] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 73.297001] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 73.304825] device veth1_vlan entered promiscuous mode [ 73.320778] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 73.320881] device veth0_vlan entered promiscuous mode [ 73.323076] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 73.323687] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 73.346122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.347039] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.347850] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.380455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.434527] device veth1_vlan entered promiscuous mode [ 73.475311] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.476206] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.504824] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 73.508474] device veth1_vlan entered promiscuous mode [ 73.551629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.588416] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 73.628582] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.733261] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 73.733359] device veth0_vlan entered promiscuous mode [ 73.733929] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 73.737492] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 73.926640] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.928583] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.929421] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.958253] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 73.958314] device veth0_vlan entered promiscuous mode [ 73.958895] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready 2020/01/09 12:11:57 executed programs: 6 [ 73.959484] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 74.002519] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.003739] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.004603] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.014588] device veth1_vlan entered promiscuous mode [ 74.112657] device veth1_vlan entered promiscuous mode [ 74.252832] kasan: CONFIG_KASAN_INLINE enabled [ 74.252840] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 74.252843] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 74.252846] Modules linked in: [ 74.252852] CPU: 0 PID: 8238 Comm: syz-executor.1 Not tainted 4.6.0-syzkaller #0 [ 74.252854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.252857] task: ffff8800abb861c0 ti: ffff880129538000 task.ti: ffff880129538000 [ 74.252871] RIP: 0010:[] [] insert_char+0x28a/0x420 [ 74.252873] RSP: 0018:ffff88012953f768 EFLAGS: 00010203 [ 74.252876] RAX: 0000000020000001 RBX: 000000010000000e RCX: dffffc0000000000 [ 74.252878] RDX: 00000000fffffffc RSI: 0000000000000001 RDI: ffff8800abb80934 [ 74.252880] RBP: ffff88012953f7b8 R08: 0000000000000012 R09: dffffc0000000000 [ 74.252882] R10: 0000000000000011 R11: 0000000000000001 R12: 0000000000000010 [ 74.252884] R13: 000000010000000c R14: ffff8800abb805c0 R15: 0000000000000010 [ 74.252888] FS: 00007f1b3a463700(0000) GS:ffff88012c000000(0000) knlGS:0000000000000000 [ 74.252890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.252892] CR2: 0000000000758090 CR3: 00000000a8392000 CR4: 00000000001406f0 [ 74.252898] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.252900] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.252901] Stack: [ 74.252905] ffff8800abb869c0 ffff8800abb869c8 ffff8800abb86a90 1ffff100252a7ef2 [ 74.252909] ffff880000000000 0000000000000000 ffff8800abb805c0 0000000000000000 [ 74.252913] ffffed001577012f 1ffff100252a7f00 ffff88012953f928 ffffffff8300a90e [ 74.252914] Call Trace: [ 74.252919] [] do_con_trol+0x504e/0x5a40 [ 74.252926] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 74.252933] [] ? __lock_acquire+0x1a38/0x5560 [ 74.252937] [] ? reset_palette+0x1d0/0x1d0 [ 74.252939] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 74.252942] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 74.252949] [] ? atomic_notifier_call_chain+0x7b/0x100 [ 74.252953] [] do_con_write.part.22+0x487/0x1950 [ 74.252961] [] ? mutex_lock_nested+0x7de/0xb30 [ 74.252965] [] ? trace_hardirqs_on_caller+0x44c/0x5e0 [ 74.252969] [] ? do_con_trol+0x5a40/0x5a40 [ 74.252972] [] ? add_wait_queue+0x3f/0xa0 [ 74.252976] [] ? _raw_spin_unlock_irqrestore+0x6a/0xd0 [ 74.252980] [] ? _mutex_lock_nest_lock+0xb30/0xb30 [ 74.252984] [] con_write+0x76/0x90 [ 74.252988] [] n_tty_write+0x4f0/0x10b0 [ 74.252998] [] ? n_tty_open+0x280/0x280 [ 74.253002] [] ? abort_exclusive_wait+0x1d0/0x1d0 [ 74.253008] [] tty_write+0x44d/0x7f0 [ 74.253011] [] ? n_tty_open+0x280/0x280 [ 74.253017] [] __vfs_write+0xdb/0x4f0 [ 74.253023] [] ? ___might_sleep+0x331/0x440 [ 74.253026] [] ? do_iter_readv_writev+0x330/0x330 [ 74.253029] [] ? __might_sleep+0x90/0x1a0 [ 74.253036] [] ? __inode_security_revalidate+0x9a/0x100 [ 74.253040] [] ? selinux_file_permission+0x32a/0x400 [ 74.253045] [] ? security_file_permission+0x6a/0x1a0 [ 74.253049] [] ? rw_verify_area+0xb9/0x290 [ 74.253052] [] vfs_write+0x13a/0x4a0 [ 74.253056] [] SyS_write+0xcb/0x1a0 [ 74.253060] [] ? SyS_read+0x1a0/0x1a0 [ 74.253063] [] ? trace_hardirqs_on_caller+0x44c/0x5e0 [ 74.253070] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 74.253074] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 74.253112] Code: 84 dd fe ff ff 48 b9 00 00 00 00 00 fc ff df 48 01 d2 48 89 d8 48 29 d0 4c 8d 40 fe 49 83 ed 02 48 83 eb 02 4c 89 e8 48 c1 e8 03 <0f> b6 14 08 4c 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 [ 74.253116] RIP [] insert_char+0x28a/0x420 [ 74.253117] RSP [ 74.253123] ---[ end trace e481f63f9140c85d ]--- [ 74.253125] Kernel panic - not syncing: Fatal exception [ 74.254566] Kernel Offset: disabled