[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 58.792953] IPVS: Creating netns size=2712 id=1 [ 58.797876] IPVS: ftp: loaded support on port[0] = 21 [ 59.484431] audit_printk_skb: 12 callbacks suppressed [ 59.489911] audit: type=1400 audit(1579303677.450:34): avc: denied { create } for pid=7837 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 [ 59.514040] audit: type=1400 audit(1579303677.490:35): avc: denied { create } for pid=7837 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 [ 59.539913] audit: type=1400 audit(1579303677.510:36): avc: denied { create } for pid=7837 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 '10.128.1.48' (ECDSA) to the list of known hosts. 2020/01/17 23:28:04 parsed 1 programs 2020/01/17 23:28:05 executed programs: 0 [ 67.253478] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 67.270700] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 67.280795] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 67.281702] IPVS: Creating netns size=2712 id=2 [ 67.281835] IPVS: ftp: loaded support on port[0] = 21 [ 67.300875] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 67.310159] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 67.325249] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 67.399812] IPVS: Creating netns size=2712 id=3 [ 67.404851] IPVS: ftp: loaded support on port[0] = 21 [ 67.569891] IPVS: Creating netns size=2712 id=4 [ 67.573880] chnl_net:caif_netlink_parms(): no params data found [ 67.580949] IPVS: ftp: loaded support on port[0] = 21 [ 67.775663] chnl_net:caif_netlink_parms(): no params data found [ 67.856743] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.864050] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.873853] device bridge_slave_0 entered promiscuous mode [ 67.883305] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.889798] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.900664] IPVS: Creating netns size=2712 id=5 [ 67.901433] device bridge_slave_1 entered promiscuous mode [ 67.911831] IPVS: ftp: loaded support on port[0] = 21 [ 67.988058] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.037841] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.197660] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.204136] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.213428] device bridge_slave_0 entered promiscuous mode [ 68.222583] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 68.230882] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.237287] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.246676] device bridge_slave_1 entered promiscuous mode [ 68.275072] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 68.296160] IPVS: Creating netns size=2712 id=6 [ 68.300982] IPVS: ftp: loaded support on port[0] = 21 [ 68.426924] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.483157] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.539570] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 68.546642] chnl_net:caif_netlink_parms(): no params data found [ 68.614645] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 68.686153] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 68.769020] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 68.897252] IPVS: Creating netns size=2712 id=7 [ 68.902852] IPVS: ftp: loaded support on port[0] = 21 [ 68.976311] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 69.049499] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 69.056887] chnl_net:caif_netlink_parms(): no params data found [ 69.168402] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.174828] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.184530] device bridge_slave_0 entered promiscuous mode [ 69.298835] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.306382] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.316074] device bridge_slave_1 entered promiscuous mode [ 69.480892] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 69.506138] chnl_net:caif_netlink_parms(): no params data found [ 69.524488] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 69.548970] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 69.723507] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.731781] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.742365] device bridge_slave_0 entered promiscuous mode [ 69.781995] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.789391] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.798799] device bridge_slave_1 entered promiscuous mode [ 69.866494] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.905811] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 69.944894] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 69.955811] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.039849] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.046436] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.056239] device bridge_slave_0 entered promiscuous mode [ 70.090457] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 70.149140] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.156226] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.168190] device bridge_slave_1 entered promiscuous mode [ 70.297895] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.306415] chnl_net:caif_netlink_parms(): no params data found [ 70.330451] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 70.338598] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 70.353472] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 70.363750] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 70.371638] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 70.688976] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 70.696752] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 70.727723] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 70.737570] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.744241] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.753503] device bridge_slave_0 entered promiscuous mode [ 70.773616] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 70.806978] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.814975] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.826262] device bridge_slave_1 entered promiscuous mode [ 70.951714] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.023299] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.033804] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.055256] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 71.067252] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.088883] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 71.162675] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.221140] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.247382] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.262103] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 71.350447] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 71.357907] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.395326] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 71.404077] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.412132] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.418546] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.428584] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.484459] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.492802] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.499478] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.523008] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 71.610294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.619160] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.625777] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.641339] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 71.650253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.662598] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.671404] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.677772] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.686969] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 71.709751] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 71.761201] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 71.833801] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.877845] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 71.887581] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 71.934618] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 71.944308] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.997006] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.092326] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.155593] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.193545] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 72.214494] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 72.250898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.317636] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.376735] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 72.417096] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.435247] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.473759] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.504801] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.516716] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.523280] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.551031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.559865] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.572196] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.578638] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.593234] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 72.654384] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 72.673450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.683392] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.689845] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.696917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.713424] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 72.736060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.748843] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.757256] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.763672] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.799463] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.842985] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.872599] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 72.892904] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 72.912845] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.929865] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.936411] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.953104] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 72.981411] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.991154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.005124] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.013539] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.020092] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.053643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.080266] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.100736] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 73.143458] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.152187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.182349] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 73.199396] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.217666] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 73.225398] device veth0_vlan entered promiscuous mode [ 73.232705] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 73.239588] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 73.265457] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 73.311900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.321837] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.330270] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.339496] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.346887] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.363390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.403757] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.413487] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.419913] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.450413] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.458076] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.469843] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.476288] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.497610] device veth1_vlan entered promiscuous mode [ 73.565685] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.586719] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 73.596798] device veth0_vlan entered promiscuous mode [ 73.607755] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 73.617178] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 73.649873] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 73.679827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.709262] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.716812] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.735570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.750831] audit: type=1400 audit(1579303691.720:37): avc: denied { associate } for pid=7934 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 73.820701] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.836871] device veth1_vlan entered promiscuous mode 2020/01/17 23:28:12 executed programs: 6 [ 74.174404] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 74.212573] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.356128] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 74.404967] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.439775] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 74.439867] device veth0_vlan entered promiscuous mode [ 74.441046] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 74.443772] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 74.472243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.473152] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.474058] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.506566] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 74.542112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.566492] device veth1_vlan entered promiscuous mode [ 74.667123] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 74.667223] device veth0_vlan entered promiscuous mode [ 74.677616] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 74.679157] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 74.719917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.721223] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.722195] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.767745] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 74.767844] device veth0_vlan entered promiscuous mode [ 74.769411] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 74.771283] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 74.805245] device veth1_vlan entered promiscuous mode [ 74.923466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.924405] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.925319] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.981652] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 74.996853] device veth1_vlan entered promiscuous mode [ 75.016633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.161450] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 75.161537] device veth0_vlan entered promiscuous mode [ 75.162261] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 75.162860] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 75.175340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.176188] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.177070] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.246886] device veth1_vlan entered promiscuous mode [ 75.464347] kasan: CONFIG_KASAN_INLINE enabled [ 75.464354] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 75.464357] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 75.464359] Modules linked in: [ 75.464364] CPU: 0 PID: 8407 Comm: syz-executor.4 Not tainted 4.6.0-syzkaller #0 [ 75.464366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.464370] task: ffff8800adb1e740 ti: ffff8800ac938000 task.ti: ffff8800ac938000 [ 75.464380] RIP: 0010:[] [] csi_J+0x264/0x580 [ 75.464382] RSP: 0018:ffff8800ac93f778 EFLAGS: 00010203 [ 75.464384] RAX: 0000000020000001 RBX: 0000000100000010 RCX: 0000000000000000 [ 75.464386] RDX: 7fffffff80000001 RSI: 000000010000000e RDI: 000000010000000e [ 75.464388] RBP: ffff8800ac93f7b8 R08: ffff8800ac80fae0 R09: dffffc0000000000 [ 75.464389] R10: 0000000000000011 R11: 0000000000000001 R12: ffff8800ac80f600 [ 75.464391] R13: 0000000000000720 R14: dffffc0000000000 R15: 0000000100000010 [ 75.464394] FS: 00007f28cf493700(0000) GS:ffff88012c000000(0000) knlGS:0000000000000000 [ 75.464396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.464398] CR2: 0000000001a01580 CR3: 00000000ae31b000 CR4: 00000000001406f0 [ 75.464404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.464406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.464407] Stack: [ 75.464413] ffff8800adb1f010 1ffff10015927ef2 ffff880000000000 00000000203e4001 [ 75.464417] ffff8800ac80f600 ffff8800ad8bedc0 ffffed0015901f37 1ffff10015927f00 [ 75.464421] ffff8800ac93f928 ffffffff83007dc6 ffff8800adb1e740 0000000000000086 [ 75.464422] Call Trace: [ 75.464428] [] do_con_trol+0x4526/0x5a40 [ 75.464433] [] ? reset_palette+0x1d0/0x1d0 [ 75.464438] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 75.464442] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 75.464447] [] ? atomic_notifier_call_chain+0x7b/0x100 [ 75.464451] [] do_con_write.part.22+0x487/0x1950 [ 75.464458] [] ? mutex_lock_nested+0x7de/0xb30 [ 75.464463] [] ? trace_hardirqs_on_caller+0x44c/0x5e0 [ 75.464467] [] ? do_con_trol+0x5a40/0x5a40 [ 75.464470] [] ? add_wait_queue+0x3f/0xa0 [ 75.464473] [] ? _raw_spin_unlock_irqrestore+0x6a/0xd0 [ 75.464477] [] ? _mutex_lock_nest_lock+0xb30/0xb30 [ 75.464481] [] con_write+0x76/0x90 [ 75.464484] [] n_tty_write+0x4f0/0x10b0 [ 75.464488] [] ? n_tty_open+0x280/0x280 [ 75.464492] [] ? abort_exclusive_wait+0x1d0/0x1d0 [ 75.464497] [] tty_write+0x44d/0x7f0 [ 75.464500] [] ? n_tty_open+0x280/0x280 [ 75.464505] [] __vfs_write+0xdb/0x4f0 [ 75.464509] [] ? ___might_sleep+0x331/0x440 [ 75.464512] [] ? do_iter_readv_writev+0x330/0x330 [ 75.464516] [] ? __might_sleep+0x90/0x1a0 [ 75.464521] [] ? __inode_security_revalidate+0x9a/0x100 [ 75.464525] [] ? selinux_file_permission+0x32a/0x400 [ 75.464529] [] ? security_file_permission+0x6a/0x1a0 [ 75.464533] [] ? rw_verify_area+0xb9/0x290 [ 75.464537] [] vfs_write+0x13a/0x4a0 [ 75.464540] [] SyS_write+0xcb/0x1a0 [ 75.464544] [] ? SyS_read+0x1a0/0x1a0 [ 75.464548] [] ? trace_hardirqs_on_caller+0x44c/0x5e0 [ 75.464553] [] ? trace_hardirqs_on_thunk+0x1b/0x1d [ 75.464557] [] entry_SYSCALL_64_fastpath+0x23/0xc1 [ 75.464603] Code: 03 00 00 89 d8 48 89 f7 49 be 00 00 00 00 00 fc ff df d1 e8 8d 48 ff 85 c0 4c 8d 7c 4e 02 74 32 48 8d 5f 02 48 89 f8 48 c1 e8 03 <42> 0f b6 0c 30 48 89 f8 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f [ 75.464607] RIP [] csi_J+0x264/0x580 [ 75.464608] RSP [ 75.464615] ---[ end trace 79ce8957c5b0f1c8 ]--- [ 75.464617] Kernel panic - not syncing: Fatal exception [ 75.466191] Kernel Offset: disabled