[ 39.281147] random: cc1: uninitialized urandom read (8 bytes read) [ 39.960892] IPVS: ftp: loaded support on port[0] = 21 [ 41.131090] can: request_module (can-proto-0) failed. [ 41.140260] can: request_module (can-proto-0) failed. [ 41.292704] audit: type=1400 audit(1578813682.929:37): avc: denied { create } for pid=6761 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 [ 41.316267] audit: type=1400 audit(1578813682.929:38): avc: denied { create } for pid=6761 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 [ 41.340095] audit: type=1400 audit(1578813682.929:39): avc: denied { create } for pid=6761 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 [ 41.500438] random: sshd: uninitialized urandom read (32 bytes read) [ 42.269738] random: sshd: uninitialized urandom read (32 bytes read) [ 42.468869] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.239' (ECDSA) to the list of known hosts. 2020/01/12 07:21:29 parsed 1 programs 2020/01/12 07:21:30 executed programs: 0 [ 48.408963] audit: type=1400 audit(1578813690.039:40): avc: denied { map } for pid=6834 comm="syz-execprog" path="/root/syzkaller-shm155339499" dev="sda1" ino=16492 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 48.740946] IPVS: ftp: loaded support on port[0] = 21 [ 49.556228] chnl_net:caif_netlink_parms(): no params data found [ 49.561112] IPVS: ftp: loaded support on port[0] = 21 [ 49.607047] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.614056] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.621226] device bridge_slave_0 entered promiscuous mode [ 49.629588] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.636554] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.643495] device bridge_slave_1 entered promiscuous mode [ 49.666291] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.675661] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.694326] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 49.702183] IPVS: ftp: loaded support on port[0] = 21 [ 49.709410] team0: Port device team_slave_0 added [ 49.716969] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.724264] team0: Port device team_slave_1 added [ 49.735581] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.745063] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.862346] device hsr_slave_0 entered promiscuous mode [ 49.930292] device hsr_slave_1 entered promiscuous mode [ 50.007053] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.015775] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.027004] chnl_net:caif_netlink_parms(): no params data found [ 50.047674] IPVS: ftp: loaded support on port[0] = 21 [ 50.066502] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.073042] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.080111] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.086505] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.127842] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.135650] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.143070] device bridge_slave_0 entered promiscuous mode [ 50.151231] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.157571] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.164827] device bridge_slave_1 entered promiscuous mode [ 50.214659] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.225025] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.257000] IPVS: ftp: loaded support on port[0] = 21 [ 50.267189] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.274598] team0: Port device team_slave_0 added [ 50.279652] chnl_net:caif_netlink_parms(): no params data found [ 50.304107] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.311379] team0: Port device team_slave_1 added [ 50.348658] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.356262] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.409228] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.416094] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.422952] device bridge_slave_0 entered promiscuous mode [ 50.429464] chnl_net:caif_netlink_parms(): no params data found [ 50.492405] device hsr_slave_0 entered promiscuous mode [ 50.530307] device hsr_slave_1 entered promiscuous mode [ 50.570308] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.576698] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.584138] device bridge_slave_1 entered promiscuous mode [ 50.596589] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.604970] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.606031] IPVS: ftp: loaded support on port[0] = 21 [ 50.619556] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.626839] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.653643] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.675650] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.707554] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.714617] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.722015] device bridge_slave_0 entered promiscuous mode [ 50.755062] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.762606] team0: Port device team_slave_0 added [ 50.768731] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.776070] team0: Port device team_slave_1 added [ 50.782912] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.789658] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.797998] device bridge_slave_1 entered promiscuous mode [ 50.823854] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.833089] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.841625] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.856119] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.867787] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.876258] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.891291] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 50.904187] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.911812] team0: Port device team_slave_0 added [ 50.919012] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.926300] team0: Port device team_slave_1 added [ 50.931876] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.946268] chnl_net:caif_netlink_parms(): no params data found [ 50.955462] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.975285] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.034048] device hsr_slave_0 entered promiscuous mode [ 51.080318] device hsr_slave_1 entered promiscuous mode [ 51.130713] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.139345] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.146890] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.164314] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.170550] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.178447] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.212101] device hsr_slave_0 entered promiscuous mode [ 51.250370] device hsr_slave_1 entered promiscuous mode [ 51.290539] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.304680] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 51.314226] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.326505] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.334667] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.342513] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.348859] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.358742] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.387676] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.395129] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.402392] device bridge_slave_0 entered promiscuous mode [ 51.408684] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.416666] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.424365] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.430716] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.439253] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 51.488403] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.495119] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.502289] device bridge_slave_1 entered promiscuous mode [ 51.511607] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.519406] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.526479] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.535818] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 51.548378] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.562106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.572247] chnl_net:caif_netlink_parms(): no params data found [ 51.583797] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.596134] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.605297] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.611539] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.629922] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.638948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.646388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.654650] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.664280] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.672944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.681252] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.689556] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 51.699286] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.723453] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.732072] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.739888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.747530] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.753983] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.761503] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.769056] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.776989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.787715] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.797317] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 51.804930] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.814197] team0: Port device team_slave_0 added [ 51.824175] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.831818] team0: Port device team_slave_1 added [ 51.837310] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.845100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.852989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.860655] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.866985] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.873991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.881569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.891084] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 51.899878] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 51.911800] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.926241] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.934314] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.941289] device bridge_slave_0 entered promiscuous mode [ 51.947690] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.955338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.963031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.971286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.978822] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.986558] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.994911] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 52.002664] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.011062] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.017436] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.026558] device bridge_slave_1 entered promiscuous mode [ 52.039644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.048228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.055871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.063923] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.073349] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.079360] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.094316] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 52.112873] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 52.125726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.133245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.140996] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.148371] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.159067] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 52.203692] device hsr_slave_0 entered promiscuous mode [ 52.250316] device hsr_slave_1 entered promiscuous mode [ 52.290586] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.297613] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.306761] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 52.321400] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.342942] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 52.359532] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.366804] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.373501] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.396643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.403980] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.413633] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.421325] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 52.428474] team0: Port device team_slave_0 added [ 52.436305] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 52.443744] team0: Port device team_slave_1 added [ 52.454078] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 52.464920] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.473453] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.481256] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.501042] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 52.510597] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.516715] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.525146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.533446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.543402] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.555486] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.561678] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.568731] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 52.583863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.592010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.601004] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.610680] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.633402] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.644037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.652495] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.660860] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.667370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.675349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.683864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.691621] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.697999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.705084] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.712948] protocol 88fb is buggy, dev hsr_slave_0 [ 52.718303] protocol 88fb is buggy, dev hsr_slave_1 [ 52.724842] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.732557] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.738910] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.748198] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.802195] device hsr_slave_0 entered promiscuous mode [ 52.830110] protocol 88fb is buggy, dev hsr_slave_0 [ 52.835272] protocol 88fb is buggy, dev hsr_slave_1 [ 52.860689] device hsr_slave_1 entered promiscuous mode [ 52.900603] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.907456] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.914846] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.922196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.937609] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.948591] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.958248] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.970037] ================================================================== [ 52.977729] BUG: KASAN: slab-out-of-bounds in tcf_exts_destroy+0x2b4/0x3b0 [ 52.984767] Read of size 4 at addr ffff888089e0bf74 by task syz-executor.0/6894 [ 52.992272] [ 52.993889] CPU: 0 PID: 6894 Comm: syz-executor.0 Not tainted 4.14.163-syzkaller #0 [ 53.001777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.011468] Call Trace: [ 53.014052] dump_stack+0xf7/0x13b [ 53.017574] ? tcf_exts_destroy+0x2b4/0x3b0 [ 53.021889] print_address_description.cold.7+0x9/0x1c9 [ 53.028391] ? tcf_exts_destroy+0x2b4/0x3b0 [ 53.032707] kasan_report.cold.8+0x11a/0x2d3 [ 53.037105] __asan_report_load4_noabort+0x14/0x20 [ 53.042022] tcf_exts_destroy+0x2b4/0x3b0 [ 53.046151] ? tcf_exts_get_dev+0x460/0x460 [ 53.050451] ? tcindex_alloc_perfect_hash+0x4f/0x2e0 [ 53.055535] tcindex_free_perfect_hash.isra.6+0x8e/0x110 [ 53.060963] tcindex_set_parms+0xe11/0x1ae0 [ 53.065288] ? lock_downgrade+0x7f0/0x7f0 [ 53.069423] ? tcindex_alloc_perfect_hash+0x2e0/0x2e0 [ 53.074594] ? avc_has_extended_perms+0x1100/0x1100 [ 53.079586] ? avc_has_extended_perms+0x1100/0x1100 [ 53.084601] tcindex_change+0x1b7/0x24e [ 53.088556] ? tcindex_set_parms+0x1ae0/0x1ae0 [ 53.093127] ? tcindex_set_parms+0x1ae0/0x1ae0 [ 53.097702] tc_ctl_tfilter+0x1151/0x1b2e [ 53.101840] ? do_raw_spin_unlock+0xa0/0x250 [ 53.106237] ? tfilter_notify+0x250/0x250 [ 53.110373] ? mutex_lock_io_nested+0x1380/0x1380 [ 53.115296] ? trace_hardirqs_off+0x10/0x10 [ 53.119615] rtnetlink_rcv_msg+0x34f/0x9d0 [ 53.124005] ? rtnl_bridge_getlink+0x760/0x760 [ 53.128567] ? find_held_lock+0x36/0x1d0 [ 53.132744] netlink_rcv_skb+0x133/0x370 [ 53.136790] ? rtnl_bridge_getlink+0x760/0x760 [ 53.141350] ? netlink_ack+0xa00/0xa00 [ 53.145220] ? netlink_deliver_tap+0x8e/0x920 [ 53.149701] rtnetlink_rcv+0x10/0x20 [ 53.153419] netlink_unicast+0x40d/0x5f0 [ 53.157462] ? netlink_attachskb+0x6e0/0x6e0 [ 53.161853] netlink_sendmsg+0x730/0xbd0 [ 53.165902] ? netlink_unicast+0x5f0/0x5f0 [ 53.170116] ? selinux_socket_sendmsg+0x31/0x40 [ 53.174778] ? security_socket_sendmsg+0x6a/0xa0 [ 53.179514] ? netlink_unicast+0x5f0/0x5f0 [ 53.183729] sock_sendmsg+0xb5/0xf0 [ 53.187343] ___sys_sendmsg+0x282/0x920 [ 53.191301] ? trace_hardirqs_off+0x10/0x10 [ 53.195602] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 53.200355] ? find_held_lock+0x36/0x1d0 [ 53.204399] ? lock_downgrade+0x7f0/0x7f0 [ 53.208537] ? __fget+0x1ca/0x2f0 [ 53.212080] ? trace_hardirqs_on+0x10/0x10 [ 53.216335] ? __fget_light+0x166/0x200 [ 53.220299] ? __fdget+0xe/0x10 [ 53.223576] ? sockfd_lookup_light+0x1c/0x150 [ 53.228054] __sys_sendmmsg+0x126/0x300 [ 53.232010] ? SyS_sendmsg+0x20/0x20 [ 53.235706] ? lock_downgrade+0x7f0/0x7f0 [ 53.239841] ? put_timespec64+0xa4/0xf0 [ 53.243795] ? nsecs_to_jiffies+0x20/0x20 [ 53.247932] ? SyS_clock_gettime+0x115/0x160 [ 53.252319] ? move_addr_to_kernel+0x20/0x20 [ 53.256711] ? do_syscall_64+0x4c/0x5b0 [ 53.260829] ? __sys_sendmmsg+0x300/0x300 [ 53.264968] SyS_sendmmsg+0xd/0x20 [ 53.268512] do_syscall_64+0x1c7/0x5b0 [ 53.272381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.277231] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.282403] RIP: 0033:0x459a59 [ 53.285572] RSP: 002b:00007f0a1d630c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 53.293273] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459a59 [ 53.300532] RDX: 0000000000000332 RSI: 0000000020000140 RDI: 0000000000000008 [ 53.307792] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 53.315043] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0a1d6316d4 [ 53.322311] R13: 00000000004c74c1 R14: 00000000004dd1c0 R15: 00000000ffffffff [ 53.329588] [ 53.331199] Allocated by task 6894: [ 53.334825] save_stack_trace+0x16/0x20 [ 53.338794] save_stack+0x43/0xd0 [ 53.342245] kasan_kmalloc+0xc7/0xe0 [ 53.345949] __kmalloc+0x15b/0x7b0 [ 53.349469] tcindex_alloc_perfect_hash+0x4f/0x2e0 [ 53.354496] tcindex_set_parms+0x3b8/0x1ae0 [ 53.358827] tcindex_change+0x1b7/0x24e [ 53.362802] tc_ctl_tfilter+0x1151/0x1b2e [ 53.366937] rtnetlink_rcv_msg+0x34f/0x9d0 [ 53.371235] netlink_rcv_skb+0x133/0x370 [ 53.375330] rtnetlink_rcv+0x10/0x20 [ 53.379141] netlink_unicast+0x40d/0x5f0 [ 53.383191] netlink_sendmsg+0x730/0xbd0 [ 53.387238] sock_sendmsg+0xb5/0xf0 [ 53.390855] ___sys_sendmsg+0x282/0x920 [ 53.394808] __sys_sendmmsg+0x126/0x300 [ 53.399023] SyS_sendmmsg+0xd/0x20 [ 53.402549] do_syscall_64+0x1c7/0x5b0 [ 53.406550] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.411719] [ 53.413335] Freed by task 0: [ 53.416348] (stack is not available) [ 53.420039] [ 53.421663] The buggy address belongs to the object at ffff888089e0bf00 [ 53.421663] which belongs to the cache kmalloc-128 of size 128 [ 53.434328] The buggy address is located 116 bytes inside of [ 53.434328] 128-byte region [ffff888089e0bf00, ffff888089e0bf80) [ 53.446212] The buggy address belongs to the page: [ 53.451144] page:ffffea00022782c0 count:1 mapcount:0 mapping:ffff888089e0b000 index:0x0 [ 53.459421] flags: 0x1fffc0000000100(slab) [ 53.463819] raw: 01fffc0000000100 ffff888089e0b000 0000000000000000 0000000100000015 [ 53.471881] raw: ffffea00022736a0 ffff8880aa801548 ffff8880aa800640 0000000000000000 [ 53.479745] page dumped because: kasan: bad access detected [ 53.485438] [ 53.487055] Memory state around the buggy address: [ 53.491960] ffff888089e0be00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 53.499295] ffff888089e0be80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 53.506648] >ffff888089e0bf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 53.514049] ^ [ 53.521154] ffff888089e0bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 53.528500] ffff888089e0c000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 53.535863] ================================================================== [ 53.543296] Disabling lock debugging due to kernel taint [ 53.552355] Kernel panic - not syncing: panic_on_warn set ... [ 53.552355] [ 53.559741] CPU: 0 PID: 6894 Comm: syz-executor.0 Tainted: G B 4.14.163-syzkaller #0 [ 53.568786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.578164] Call Trace: [ 53.580739] dump_stack+0xf7/0x13b [ 53.584261] ? tcf_exts_destroy+0x2b4/0x3b0 [ 53.588573] panic+0x1b0/0x358 [ 53.591752] ? add_taint.cold.5+0x11/0x11 [ 53.595879] ? ___preempt_schedule+0x16/0x18 [ 53.600280] ? tcf_exts_destroy+0x2b4/0x3b0 [ 53.605011] kasan_end_report+0x47/0x4f [ 53.608965] kasan_report.cold.8+0x76/0x2d3 [ 53.613300] __asan_report_load4_noabort+0x14/0x20 [ 53.618213] tcf_exts_destroy+0x2b4/0x3b0 [ 53.622366] ? tcf_exts_get_dev+0x460/0x460 [ 53.626668] ? tcindex_alloc_perfect_hash+0x4f/0x2e0 [ 53.631752] tcindex_free_perfect_hash.isra.6+0x8e/0x110 [ 53.637183] tcindex_set_parms+0xe11/0x1ae0 [ 53.641483] ? lock_downgrade+0x7f0/0x7f0 [ 53.645634] ? tcindex_alloc_perfect_hash+0x2e0/0x2e0 [ 53.650818] ? avc_has_extended_perms+0x1100/0x1100 [ 53.655968] ? avc_has_extended_perms+0x1100/0x1100 [ 53.660980] tcindex_change+0x1b7/0x24e [ 53.664937] ? tcindex_set_parms+0x1ae0/0x1ae0 [ 53.669502] ? tcindex_set_parms+0x1ae0/0x1ae0 [ 53.674084] tc_ctl_tfilter+0x1151/0x1b2e [ 53.678227] ? do_raw_spin_unlock+0xa0/0x250 [ 53.682623] ? tfilter_notify+0x250/0x250 [ 53.686751] ? mutex_lock_io_nested+0x1380/0x1380 [ 53.691570] ? trace_hardirqs_off+0x10/0x10 [ 53.695889] rtnetlink_rcv_msg+0x34f/0x9d0 [ 53.700101] ? rtnl_bridge_getlink+0x760/0x760 [ 53.704662] ? find_held_lock+0x36/0x1d0 [ 53.708721] netlink_rcv_skb+0x133/0x370 [ 53.712869] ? rtnl_bridge_getlink+0x760/0x760 [ 53.717458] ? netlink_ack+0xa00/0xa00 [ 53.721323] ? netlink_deliver_tap+0x8e/0x920 [ 53.727362] rtnetlink_rcv+0x10/0x20 [ 53.731054] netlink_unicast+0x40d/0x5f0 [ 53.735104] ? netlink_attachskb+0x6e0/0x6e0 [ 53.739876] netlink_sendmsg+0x730/0xbd0 [ 53.743930] ? netlink_unicast+0x5f0/0x5f0 [ 53.748687] ? selinux_socket_sendmsg+0x31/0x40 [ 53.753402] ? security_socket_sendmsg+0x6a/0xa0 [ 53.758252] ? netlink_unicast+0x5f0/0x5f0 [ 53.762659] sock_sendmsg+0xb5/0xf0 [ 53.766275] ___sys_sendmsg+0x282/0x920 [ 53.770373] ? trace_hardirqs_off+0x10/0x10 [ 53.774719] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 53.779480] ? find_held_lock+0x36/0x1d0 [ 53.783525] ? lock_downgrade+0x7f0/0x7f0 [ 53.787743] ? __fget+0x1ca/0x2f0 [ 53.791192] ? trace_hardirqs_on+0x10/0x10 [ 53.795405] ? __fget_light+0x166/0x200 [ 53.799356] ? __fdget+0xe/0x10 [ 53.802626] ? sockfd_lookup_light+0x1c/0x150 [ 53.807099] __sys_sendmmsg+0x126/0x300 [ 53.811049] ? SyS_sendmsg+0x20/0x20 [ 53.814762] ? lock_downgrade+0x7f0/0x7f0 [ 53.818903] ? put_timespec64+0xa4/0xf0 [ 53.822856] ? nsecs_to_jiffies+0x20/0x20 [ 53.826980] ? SyS_clock_gettime+0x115/0x160 [ 53.831367] ? move_addr_to_kernel+0x20/0x20 [ 53.835753] ? do_syscall_64+0x4c/0x5b0 [ 53.839703] ? __sys_sendmmsg+0x300/0x300 [ 53.843841] SyS_sendmmsg+0xd/0x20 [ 53.847373] do_syscall_64+0x1c7/0x5b0 [ 53.851256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.856096] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.861263] RIP: 0033:0x459a59 [ 53.864430] RSP: 002b:00007f0a1d630c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 53.872286] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459a59 [ 53.879543] RDX: 0000000000000332 RSI: 0000000020000140 RDI: 0000000000000008 [ 53.886791] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 53.894041] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0a1d6316d4 [ 53.901290] R13: 00000000004c74c1 R14: 00000000004dd1c0 R15: 00000000ffffffff [ 53.910190] Kernel Offset: disabled [ 53.913823] Rebooting in 86400 seconds..