syzkaller login: [ 36.470330] kauditd_printk_skb: 9 callbacks suppressed [ 36.470335] audit: type=1400 audit(1576314883.411:35): avc: denied { map } for pid=7068 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 43.144612] audit: type=1400 audit(1576314890.081:36): avc: denied { map } for pid=7079 comm="syz-fuzzer" path="/root/syz-fuzzer" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 43.851006] IPVS: ftp: loaded support on port[0] = 21 [ 44.236805] can: request_module (can-proto-0) failed. [ 45.293872] can: request_module (can-proto-0) failed. [ 45.303522] can: request_module (can-proto-0) failed. [ 45.488321] audit: type=1400 audit(1576314892.431:37): avc: denied { create } for pid=7079 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 [ 45.512260] audit: type=1400 audit(1576314892.431:38): avc: denied { create } for pid=7079 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 [ 45.536174] audit: type=1400 audit(1576314892.431:39): avc: denied { create } for pid=7079 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 '10.128.10.17' (ECDSA) to the list of known hosts. 2019/12/14 09:14:59 parsed 1 programs 2019/12/14 09:14:59 executed programs: 0 [ 52.834101] IPVS: ftp: loaded support on port[0] = 21 [ 52.863930] IPVS: ftp: loaded support on port[0] = 21 [ 52.865298] IPVS: ftp: loaded support on port[0] = 21 [ 52.888565] IPVS: ftp: loaded support on port[0] = 21 [ 52.888569] IPVS: ftp: loaded support on port[0] = 21 [ 52.940424] IPVS: ftp: loaded support on port[0] = 21 [ 53.087872] chnl_net:caif_netlink_parms(): no params data found [ 53.097995] chnl_net:caif_netlink_parms(): no params data found [ 53.214878] chnl_net:caif_netlink_parms(): no params data found [ 53.239394] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.246491] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.253428] device bridge_slave_0 entered promiscuous mode [ 53.263954] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.270384] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.277943] device bridge_slave_1 entered promiscuous mode [ 53.284669] chnl_net:caif_netlink_parms(): no params data found [ 53.293013] chnl_net:caif_netlink_parms(): no params data found [ 53.310541] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.317017] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.324035] device bridge_slave_0 entered promiscuous mode [ 53.334374] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.341015] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.348034] device bridge_slave_1 entered promiscuous mode [ 53.367872] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.387421] chnl_net:caif_netlink_parms(): no params data found [ 53.403302] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.427300] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.443276] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.462618] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.469079] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.477026] device bridge_slave_0 entered promiscuous mode [ 53.489696] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.496253] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.503437] device bridge_slave_0 entered promiscuous mode [ 53.513417] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.520413] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.527732] device bridge_slave_1 entered promiscuous mode [ 53.542372] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 53.549956] team0: Port device team_slave_0 added [ 53.555026] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.562013] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.569104] device bridge_slave_1 entered promiscuous mode [ 53.583569] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 53.591134] team0: Port device team_slave_0 added [ 53.596808] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 53.604066] team0: Port device team_slave_1 added [ 53.612267] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.619167] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.626336] device bridge_slave_0 entered promiscuous mode [ 53.632833] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 53.641337] team0: Port device team_slave_1 added [ 53.654662] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 53.662037] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 53.669410] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 53.680181] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.686613] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.693554] device bridge_slave_1 entered promiscuous mode [ 53.700999] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.714947] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.722962] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.730022] device bridge_slave_0 entered promiscuous mode [ 53.737393] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 53.745236] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.758314] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.770604] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.778011] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.784865] device bridge_slave_1 entered promiscuous mode [ 53.806451] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.814911] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.867568] device hsr_slave_0 entered promiscuous mode [ 53.906205] device hsr_slave_1 entered promiscuous mode [ 53.951768] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.964138] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.976503] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.984518] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.038251] device hsr_slave_0 entered promiscuous mode [ 54.086173] device hsr_slave_1 entered promiscuous mode [ 54.137481] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.144658] team0: Port device team_slave_0 added [ 54.154729] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 54.166070] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.173109] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.180468] team0: Port device team_slave_0 added [ 54.189405] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.196672] team0: Port device team_slave_1 added [ 54.205323] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.212715] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.220474] team0: Port device team_slave_1 added [ 54.226163] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.233279] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 54.240832] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.248278] team0: Port device team_slave_0 added [ 54.253555] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.261386] team0: Port device team_slave_0 added [ 54.266775] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.273969] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.281777] team0: Port device team_slave_1 added [ 54.291970] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.308921] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.316282] team0: Port device team_slave_1 added [ 54.324694] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.334392] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.377250] device hsr_slave_0 entered promiscuous mode [ 54.428387] device hsr_slave_1 entered promiscuous mode [ 54.487398] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.494415] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 54.502269] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.513279] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.522198] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.567352] device hsr_slave_0 entered promiscuous mode [ 54.606020] device hsr_slave_1 entered promiscuous mode [ 54.649457] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.718277] device hsr_slave_0 entered promiscuous mode [ 54.786127] device hsr_slave_1 entered promiscuous mode [ 54.826310] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 54.833180] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.840851] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 54.850785] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.859196] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.908307] device hsr_slave_0 entered promiscuous mode [ 54.936038] device hsr_slave_1 entered promiscuous mode [ 54.988375] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.997087] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 55.008206] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 55.027015] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 55.056295] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.074077] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 55.089162] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.100608] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.116251] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.130529] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.143140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.151044] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.167067] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.173146] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.185348] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.195208] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.203984] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.212851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.220177] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.227321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.236374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.243938] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.250422] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.259855] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.268906] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.277358] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.283429] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.291838] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.302031] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.310656] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.321680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.329844] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.336230] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.343138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.351400] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.359025] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.365568] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.372995] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.384161] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.392844] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.400371] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.410570] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.419055] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.425558] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.432504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.439531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.447742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.455544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.463762] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.470173] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.479660] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.486710] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.493414] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.501142] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 55.511849] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.521524] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 55.528477] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.536639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.544258] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.553544] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.562045] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.571785] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.581018] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.587645] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.594451] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.601739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.609698] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.617363] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.623698] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.631047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.639088] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 55.648698] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 55.658150] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.664976] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.673162] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.680650] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.689284] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.697066] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.704494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.712568] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.720041] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.726933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.733715] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.743927] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.751665] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 55.760299] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 55.770135] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.776635] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.782763] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.790736] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.798504] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.804837] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.811811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.820745] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.828508] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.836082] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.843665] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.852063] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.859778] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.867675] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 55.876986] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.885178] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.892990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.900118] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.907411] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.915165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.922804] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.929149] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.936635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.944159] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.951682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.959585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.967232] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.973686] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.980481] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.988368] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.996050] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.002377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.010261] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 56.020084] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 56.026661] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.034354] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 56.042503] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.053507] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.062101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.069574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.077699] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.085450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.093687] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.100193] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.108130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.115926] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.124420] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 56.130886] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.140232] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 56.149255] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 56.157125] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 56.166048] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 56.174195] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.182661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.191018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.198610] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.205026] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.212278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.219900] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.227457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.235255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.243139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.251135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.260272] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.268518] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 56.277717] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 56.290662] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 56.298717] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.306527] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.313913] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.321752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.329575] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.337369] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.344918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.353455] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.362114] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.372318] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 56.380117] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 56.387381] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.394408] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.401588] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.409356] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.417589] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.425318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.433389] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.441154] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.447545] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.455519] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 56.462660] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.472974] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 56.482040] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.492634] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 56.499976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.508398] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.516184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.523877] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.531919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.539517] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.547413] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.554660] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 56.563673] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 56.571891] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 56.590310] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 56.597146] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.603915] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.611370] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.619856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.627338] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.635583] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.645636] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.654528] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.666151] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 56.673073] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 56.680491] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.689100] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.697518] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.705227] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.712258] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.719116] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.727069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.735371] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 56.746031] audit: type=1400 audit(1576314903.681:40): avc: denied { associate } for pid=7176 comm="syz-executor.2" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 56.747165] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 56.782231] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.789218] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.797367] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.805161] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.813612] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.821286] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.831753] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 56.840504] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 56.847190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.861452] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.874644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.882005] audit: type=1400 audit(1576314903.811:41): avc: denied { name_bind } for pid=7197 comm="syz-executor.2" src=20003 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 56.897535] FAULT_INJECTION: forcing a failure. [ 56.897535] name failslab, interval 1, probability 0, space 0, times 1 [ 56.908597] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 56.928458] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 56.934515] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.940955] CPU: 1 PID: 7199 Comm: syz-executor.2 Not tainted 4.19.89-syzkaller #0 [ 56.942715] audit: type=1400 audit(1576314903.811:42): avc: denied { node_bind } for pid=7197 comm="syz-executor.2" src=20003 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 [ 56.948665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.948669] Call Trace: [ 56.948684] dump_stack+0x123/0x177 [ 56.948696] should_fail.cold.4+0x5/0x13 [ 56.948704] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 56.948717] __should_failslab+0xba/0xf0 [ 56.948724] should_failslab+0x9/0x14 [ 56.948728] kmem_cache_alloc_trace+0x4b/0x740 [ 56.948742] dccp_ackvec_parsed_add+0x51/0x220 [ 56.948750] ccid2_hc_tx_parse_options+0x5b/0x80 [ 56.948756] dccp_parse_options+0x532/0xf20 [ 56.948768] dccp_rcv_established+0x23/0x70 [ 56.948774] dccp_v4_do_rcv+0xfa/0x160 [ 56.948788] __release_sock+0x107/0x360 [ 56.948797] release_sock+0x4f/0x180 [ 56.948803] dccp_sendmsg+0x4f6/0xe20 [ 56.948811] ? sock_has_perm+0x1e2/0x2e0 [ 56.948818] ? dccp_getsockopt+0xd0/0xd0 [ 56.948828] ? copy_msghdr_from_user+0x20b/0x3e0 [ 56.948839] inet_sendmsg+0x108/0x440 [ 56.948845] ? security_socket_sendmsg+0x4a/0x90 [ 56.948851] ? ipip_gro_receive+0xf0/0xf0 [ 56.948856] sock_sendmsg+0xb5/0xf0 [ 56.948862] ___sys_sendmsg+0x28e/0x950 [ 56.948869] ? find_held_lock+0x36/0x1d0 [ 56.948877] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 56.948883] ? mark_held_locks+0x130/0x130 [ 56.948888] ? lock_downgrade+0x860/0x860 [ 56.948895] ? kasan_check_read+0x11/0x20 [ 56.948905] ? find_held_lock+0x36/0x1d0 [ 56.948915] ? __might_fault+0xf1/0x1b0 [ 56.948931] __sys_sendmmsg+0x160/0x370 [ 56.948939] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 56.948949] ? kasan_check_write+0x14/0x20 [ 56.948955] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 56.948969] ? __sb_end_write+0xa4/0xd0 [ 56.948976] ? kasan_check_write+0x14/0x20 [ 56.948979] ? fput+0x18/0x120 [ 56.948985] ? ksys_write+0x1ce/0x260 [ 56.948989] ? do_sys_open+0x16e/0x350 [ 56.948999] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.949005] ? do_syscall_64+0x21/0x4e0 [ 56.949012] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.949020] __x64_sys_sendmmsg+0x98/0x100 [ 56.949026] do_syscall_64+0xd0/0x4e0 [ 56.949033] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.973743] audit: type=1400 audit(1576314903.831:43): avc: denied { name_connect } for pid=7197 comm="syz-executor.2" dest=20003 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 56.980857] RIP: 0033:0x45a219 [ 56.980864] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.980867] RSP: 002b:00007f843a2a9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 56.980872] RAX: ffffffffffffffda RBX: 00007f843a2a9c90 RCX: 000000000045a219 [ 56.980875] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 56.980878] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 56.980880] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f843a2aa6d4 [ 56.980883] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 56.986820] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.988691] dccp_parse_options: DCCP(0000000003a0d1dc): Option 38 (len=1) error=5 [ 56.994273] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 57.105984] FAULT_INJECTION: forcing a failure. [ 57.105984] name failslab, interval 1, probability 0, space 0, times 0 [ 57.113908] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 57.135191] CPU: 1 PID: 7205 Comm: syz-executor.0 Not tainted 4.19.89-syzkaller #0 [ 57.141533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.155580] Call Trace: [ 57.163588] dump_stack+0x123/0x177 [ 57.319350] should_fail.cold.4+0x5/0x13 [ 57.323545] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 57.328649] __should_failslab+0xba/0xf0 [ 57.332717] should_failslab+0x9/0x14 [ 57.336585] kmem_cache_alloc_trace+0x4b/0x740 [ 57.341176] dccp_ackvec_parsed_add+0x51/0x220 [ 57.345763] ccid2_hc_tx_parse_options+0x5b/0x80 [ 57.350515] dccp_parse_options+0x532/0xf20 [ 57.354836] dccp_rcv_established+0x23/0x70 [ 57.359157] dccp_v4_do_rcv+0xfa/0x160 [ 57.363040] __release_sock+0x107/0x360 [ 57.367017] release_sock+0x4f/0x180 [ 57.370725] dccp_sendmsg+0x4f6/0xe20 [ 57.374508] ? sock_has_perm+0x1e2/0x2e0 [ 57.378561] ? dccp_getsockopt+0xd0/0xd0 [ 57.382609] ? copy_msghdr_from_user+0x20b/0x3e0 [ 57.387348] inet_sendmsg+0x108/0x440 [ 57.391138] ? security_socket_sendmsg+0x4a/0x90 [ 57.395876] ? ipip_gro_receive+0xf0/0xf0 [ 57.400004] sock_sendmsg+0xb5/0xf0 [ 57.403618] ___sys_sendmsg+0x28e/0x950 [ 57.407587] ? find_held_lock+0x36/0x1d0 [ 57.411655] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 57.416410] ? mark_held_locks+0x130/0x130 [ 57.420621] ? lock_downgrade+0x860/0x860 [ 57.424859] ? kasan_check_read+0x11/0x20 [ 57.428994] ? find_held_lock+0x36/0x1d0 [ 57.433045] ? __might_fault+0xf1/0x1b0 [ 57.437021] __sys_sendmmsg+0x160/0x370 [ 57.440991] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 57.445296] ? kasan_check_write+0x14/0x20 [ 57.449517] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 57.454343] ? __sb_end_write+0xa4/0xd0 [ 57.458305] ? kasan_check_write+0x14/0x20 [ 57.462522] ? fput+0x18/0x120 [ 57.465712] ? ksys_write+0x1ce/0x260 [ 57.469535] ? do_sys_open+0x16e/0x350 [ 57.473525] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 57.478359] ? do_syscall_64+0x21/0x4e0 [ 57.482332] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.487751] __x64_sys_sendmmsg+0x98/0x100 [ 57.492006] do_syscall_64+0xd0/0x4e0 [ 57.495803] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.500975] RIP: 0033:0x45a219 [ 57.504148] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.523233] RSP: 002b:00007f7c078a1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 57.530930] RAX: ffffffffffffffda RBX: 00007f7c078a1c90 RCX: 000000000045a219 [ 57.538185] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 57.545493] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 57.552752] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7c078a26d4 [ 57.560053] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 57.570072] dccp_parse_options: DCCP(00000000808d9a1b): Option 38 (len=1) error=5 [ 57.578404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.586669] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.599063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.607802] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.619820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.627984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.637566] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 57.643587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.654449] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 57.669420] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 57.679774] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.688134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.695542] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.702582] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.711368] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 57.717637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.728862] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.738403] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 57.748929] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 57.759566] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 57.772244] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 57.779845] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.789370] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready 2019/12/14 09:15:04 executed programs: 8 [ 57.797710] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 57.808600] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.820503] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 57.841991] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.861756] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.869619] FAULT_INJECTION: forcing a failure. [ 57.869619] name failslab, interval 1, probability 0, space 0, times 0 [ 57.879253] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.882359] CPU: 1 PID: 7226 Comm: syz-executor.3 Not tainted 4.19.89-syzkaller #0 [ 57.892226] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.895113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.905301] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.911019] Call Trace: [ 57.911035] dump_stack+0x123/0x177 [ 57.911048] should_fail.cold.4+0x5/0x13 [ 57.911056] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 57.911070] __should_failslab+0xba/0xf0 [ 57.911078] should_failslab+0x9/0x14 [ 57.911083] kmem_cache_alloc_trace+0x4b/0x740 [ 57.911098] dccp_ackvec_parsed_add+0x51/0x220 [ 57.911105] ccid2_hc_tx_parse_options+0x5b/0x80 [ 57.911111] dccp_parse_options+0x532/0xf20 [ 57.911125] dccp_rcv_established+0x23/0x70 [ 57.929172] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.933063] dccp_v4_do_rcv+0xfa/0x160 [ 57.945458] __release_sock+0x107/0x360 [ 57.977261] release_sock+0x4f/0x180 [ 57.980962] dccp_sendmsg+0x4f6/0xe20 [ 57.984759] ? sock_has_perm+0x1e2/0x2e0 [ 57.988814] ? dccp_getsockopt+0xd0/0xd0 [ 57.992874] ? copy_msghdr_from_user+0x20b/0x3e0 [ 57.997624] inet_sendmsg+0x108/0x440 [ 58.001414] ? security_socket_sendmsg+0x4a/0x90 [ 58.006150] ? ipip_gro_receive+0xf0/0xf0 [ 58.010278] sock_sendmsg+0xb5/0xf0 [ 58.013882] ___sys_sendmsg+0x28e/0x950 [ 58.017875] ? find_held_lock+0x36/0x1d0 [ 58.021926] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 58.026660] ? mark_held_locks+0x130/0x130 [ 58.030874] ? lock_downgrade+0x860/0x860 [ 58.035001] ? kasan_check_read+0x11/0x20 [ 58.039139] ? find_held_lock+0x36/0x1d0 [ 58.043186] ? __might_fault+0xf1/0x1b0 [ 58.047141] __sys_sendmmsg+0x160/0x370 [ 58.051091] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 58.055389] ? kasan_check_write+0x14/0x20 [ 58.059603] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 58.064427] ? __sb_end_write+0xa4/0xd0 [ 58.068378] ? kasan_check_write+0x14/0x20 [ 58.072587] ? fput+0x18/0x120 [ 58.075759] ? ksys_write+0x1ce/0x260 [ 58.079543] ? do_sys_open+0x16e/0x350 [ 58.083406] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 58.088136] ? do_syscall_64+0x21/0x4e0 [ 58.092088] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.097440] __x64_sys_sendmmsg+0x98/0x100 [ 58.101658] do_syscall_64+0xd0/0x4e0 [ 58.105436] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.110706] RIP: 0033:0x45a219 [ 58.113876] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.132871] RSP: 002b:00007fb4aba10c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 58.140562] RAX: ffffffffffffffda RBX: 00007fb4aba10c90 RCX: 000000000045a219 [ 58.147810] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 58.155502] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 58.162761] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb4aba116d4 [ 58.170028] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 58.179058] dccp_parse_options: DCCP(00000000c9a4fc23): Option 38 (len=1) error=5 [ 58.276708] FAULT_INJECTION: forcing a failure. [ 58.276708] name failslab, interval 1, probability 0, space 0, times 0 [ 58.321919] CPU: 1 PID: 7232 Comm: syz-executor.1 Not tainted 4.19.89-syzkaller #0 [ 58.329681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.339145] Call Trace: [ 58.341744] dump_stack+0x123/0x177 [ 58.345382] should_fail.cold.4+0x5/0x13 [ 58.349452] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 58.354562] ? lock_downgrade+0x860/0x860 [ 58.358725] __should_failslab+0xba/0xf0 [ 58.362824] should_failslab+0x9/0x14 [ 58.365520] FAULT_INJECTION: forcing a failure. [ 58.365520] name failslab, interval 1, probability 0, space 0, times 0 [ 58.366631] kmem_cache_alloc_trace+0x2d4/0x740 [ 58.366640] ? debug_object_activate+0x327/0x4e0 [ 58.366648] ? lock_downgrade+0x860/0x860 [ 58.366659] dccp_feat_entry_new+0x140/0x360 [ 58.366668] dccp_feat_push_confirm+0x26/0x280 [ 58.366674] dccp_feat_parse_options+0xf99/0x1a20 [ 58.366681] ? dccp_ackvec_parsed_add+0x51/0x220 [ 58.366687] ? dccp_feat_server_ccid_dependencies+0x1f0/0x1f0 [ 58.366696] ? dccp_ackvec_parsed_add+0x115/0x220 [ 58.366705] dccp_parse_options+0x840/0xf20 [ 58.366720] dccp_rcv_established+0x23/0x70 [ 58.366726] dccp_v4_do_rcv+0xfa/0x160 [ 58.366736] __release_sock+0x107/0x360 [ 58.366747] release_sock+0x4f/0x180 [ 58.366754] dccp_sendmsg+0x4f6/0xe20 [ 58.366763] ? sock_has_perm+0x1e2/0x2e0 [ 58.366770] ? dccp_getsockopt+0xd0/0xd0 [ 58.366779] ? copy_msghdr_from_user+0x20b/0x3e0 [ 58.366790] inet_sendmsg+0x108/0x440 [ 58.366795] ? security_socket_sendmsg+0x4a/0x90 [ 58.366801] ? ipip_gro_receive+0xf0/0xf0 [ 58.366806] sock_sendmsg+0xb5/0xf0 [ 58.366811] ___sys_sendmsg+0x28e/0x950 [ 58.366815] ? find_held_lock+0x36/0x1d0 [ 58.366821] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 58.366827] ? mark_held_locks+0x130/0x130 [ 58.366832] ? lock_downgrade+0x860/0x860 [ 58.366839] ? kasan_check_read+0x11/0x20 [ 58.366857] ? find_held_lock+0x36/0x1d0 [ 58.480586] FAULT_INJECTION: forcing a failure. [ 58.480586] name failslab, interval 1, probability 0, space 0, times 0 [ 58.483078] ? __might_fault+0xf1/0x1b0 [ 58.483096] __sys_sendmmsg+0x160/0x370 [ 58.523488] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 58.527803] ? kasan_check_write+0x14/0x20 [ 58.532019] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 58.536856] ? __sb_end_write+0xa4/0xd0 [ 58.540812] ? kasan_check_write+0x14/0x20 [ 58.545159] ? fput+0x18/0x120 [ 58.548343] ? ksys_write+0x1ce/0x260 [ 58.552134] ? do_sys_open+0x16e/0x350 [ 58.556022] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 58.560781] ? do_syscall_64+0x21/0x4e0 [ 58.564757] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.570124] __x64_sys_sendmmsg+0x98/0x100 [ 58.574369] do_syscall_64+0xd0/0x4e0 [ 58.578170] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.583343] RIP: 0033:0x45a219 [ 58.586523] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.605427] RSP: 002b:00007f21cd33ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 58.613130] RAX: ffffffffffffffda RBX: 00007f21cd33ac90 RCX: 000000000045a219 [ 58.620384] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 58.627640] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 58.634897] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21cd33b6d4 [ 58.642153] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 58.649433] CPU: 0 PID: 7252 Comm: syz-executor.4 Not tainted 4.19.89-syzkaller #0 [ 58.657151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.666511] Call Trace: [ 58.669117] dump_stack+0x123/0x177 [ 58.673269] should_fail.cold.4+0x5/0x13 [ 58.677330] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 58.681672] dccp_parse_options: DCCP(00000000081bda51): Option 32 (len=7) error=9 [ 58.682543] ? lock_downgrade+0x860/0x860 [ 58.682559] __should_failslab+0xba/0xf0 [ 58.682568] should_failslab+0x9/0x14 [ 58.682575] kmem_cache_alloc_trace+0x2d4/0x740 [ 58.691134] ================================================================== [ 58.694494] ? debug_object_activate+0x327/0x4e0 [ 58.694505] ? lock_downgrade+0x860/0x860 [ 58.698676] BUG: KASAN: use-after-free in ccid2_hc_tx_packet_recv+0x1edd/0x21d3 [ 58.698682] Read of size 1 at addr ffff8880a87491e2 by task syz-executor.1/7232 [ 58.702473] dccp_feat_entry_new+0x140/0x360 [ 58.707116] [ 58.714475] dccp_feat_push_confirm+0x26/0x280 [ 58.748745] dccp_feat_parse_options+0xf99/0x1a20 [ 58.753597] ? dccp_ackvec_parsed_add+0x51/0x220 [ 58.758341] ? dccp_feat_server_ccid_dependencies+0x1f0/0x1f0 [ 58.764219] ? dccp_ackvec_parsed_add+0x115/0x220 [ 58.769060] dccp_parse_options+0x840/0xf20 [ 58.773366] dccp_rcv_established+0x23/0x70 [ 58.777667] dccp_v4_do_rcv+0xfa/0x160 [ 58.781533] __release_sock+0x107/0x360 [ 58.785487] release_sock+0x4f/0x180 [ 58.789181] dccp_sendmsg+0x4f6/0xe20 [ 58.792962] ? sock_has_perm+0x1e2/0x2e0 [ 58.797001] ? dccp_getsockopt+0xd0/0xd0 [ 58.801049] ? copy_msghdr_from_user+0x20b/0x3e0 [ 58.805790] inet_sendmsg+0x108/0x440 [ 58.809571] ? security_socket_sendmsg+0x4a/0x90 [ 58.814315] ? ipip_gro_receive+0xf0/0xf0 [ 58.818441] sock_sendmsg+0xb5/0xf0 [ 58.822050] ___sys_sendmsg+0x28e/0x950 [ 58.826015] ? find_held_lock+0x36/0x1d0 [ 58.830054] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 58.834788] ? mark_held_locks+0x130/0x130 [ 58.838999] ? lock_downgrade+0x860/0x860 [ 58.843129] ? kasan_check_read+0x11/0x20 [ 58.847259] ? find_held_lock+0x36/0x1d0 [ 58.851309] ? __might_fault+0xf1/0x1b0 [ 58.855278] __sys_sendmmsg+0x160/0x370 [ 58.859241] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 58.863547] ? kasan_check_write+0x14/0x20 [ 58.867760] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 58.872598] ? __sb_end_write+0xa4/0xd0 [ 58.876550] ? kasan_check_write+0x14/0x20 [ 58.880769] ? fput+0x18/0x120 [ 58.883939] ? ksys_write+0x1ce/0x260 [ 58.887717] ? do_sys_open+0x16e/0x350 [ 58.891588] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 58.896322] ? do_syscall_64+0x21/0x4e0 [ 58.900282] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.905628] __x64_sys_sendmmsg+0x98/0x100 [ 58.909842] do_syscall_64+0xd0/0x4e0 [ 58.913622] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.918791] RIP: 0033:0x45a219 [ 58.922006] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.940886] RSP: 002b:00007f3f02e88c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 58.948572] RAX: ffffffffffffffda RBX: 00007f3f02e88c90 RCX: 000000000045a219 [ 58.955820] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 58.963068] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 58.970314] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3f02e896d4 [ 58.977564] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 58.984847] CPU: 1 PID: 7232 Comm: syz-executor.1 Not tainted 4.19.89-syzkaller #0 [ 58.992644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.001987] Call Trace: [ 59.002001] dump_stack+0x123/0x177 [ 59.002013] print_address_description.cold.8+0x9/0x1ff [ 59.002020] kasan_report.cold.9+0x242/0x309 [ 59.002028] ? ccid2_hc_tx_packet_recv+0x1edd/0x21d3 [ 59.002035] __asan_report_load1_noabort+0x14/0x20 [ 59.002039] ccid2_hc_tx_packet_recv+0x1edd/0x21d3 [ 59.002047] ? dccp_ackvec_clear_state+0x33e/0x7e0 [ 59.002054] ? rcu_read_lock_sched_held+0x108/0x120 [ 59.002064] dccp_deliver_input_to_ccids+0x19f/0x210 [ 59.002070] dccp_rcv_established+0x49/0x70 [ 59.002077] dccp_v4_do_rcv+0xfa/0x160 [ 59.056037] __release_sock+0x107/0x360 [ 59.060187] release_sock+0x4f/0x180 [ 59.063883] dccp_sendmsg+0x4f6/0xe20 [ 59.067704] ? sock_has_perm+0x1e2/0x2e0 [ 59.071752] ? dccp_getsockopt+0xd0/0xd0 [ 59.075802] ? copy_msghdr_from_user+0x20b/0x3e0 [ 59.080546] inet_sendmsg+0x108/0x440 [ 59.084325] ? security_socket_sendmsg+0x4a/0x90 [ 59.089062] ? ipip_gro_receive+0xf0/0xf0 [ 59.093186] sock_sendmsg+0xb5/0xf0 [ 59.096797] ___sys_sendmsg+0x28e/0x950 [ 59.100750] ? find_held_lock+0x36/0x1d0 [ 59.104796] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 59.109542] ? mark_held_locks+0x130/0x130 [ 59.113768] ? lock_downgrade+0x860/0x860 [ 59.117907] ? kasan_check_read+0x11/0x20 [ 59.122039] ? find_held_lock+0x36/0x1d0 [ 59.126088] ? __might_fault+0xf1/0x1b0 [ 59.130066] __sys_sendmmsg+0x160/0x370 [ 59.134021] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 59.138332] ? kasan_check_write+0x14/0x20 [ 59.142548] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 59.147377] ? __sb_end_write+0xa4/0xd0 [ 59.151332] ? kasan_check_write+0x14/0x20 [ 59.155544] ? fput+0x18/0x120 [ 59.158721] ? ksys_write+0x1ce/0x260 [ 59.162508] ? do_sys_open+0x16e/0x350 [ 59.166380] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 59.171116] ? do_syscall_64+0x21/0x4e0 [ 59.175075] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.180437] __x64_sys_sendmmsg+0x98/0x100 [ 59.184659] do_syscall_64+0xd0/0x4e0 [ 59.188466] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.193640] RIP: 0033:0x45a219 [ 59.196825] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.215713] RSP: 002b:00007f21cd33ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 59.223418] RAX: ffffffffffffffda RBX: 00007f21cd33ac90 RCX: 000000000045a219 [ 59.230674] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 59.237924] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 59.245172] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21cd33b6d4 [ 59.252431] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 59.259699] [ 59.260414] CPU: 0 PID: 7243 Comm: syz-executor.5 Not tainted 4.19.89-syzkaller #0 [ 59.261319] Allocated by task 7232: [ 59.269014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.272626] save_stack+0x43/0xd0 [ 59.281948] Call Trace: [ 59.285378] kasan_kmalloc+0xc7/0xe0 [ 59.287941] dump_stack+0x123/0x177 [ 59.291619] __kmalloc_node_track_caller+0x50/0x70 [ 59.291625] __kmalloc_reserve.isra.39+0x2c/0xc0 [ 59.295231] should_fail.cold.4+0x5/0x13 [ 59.300136] __alloc_skb+0xd7/0x580 [ 59.304875] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 59.308911] dccp_send_ack+0xb3/0x340 [ 59.312514] ? lock_downgrade+0x860/0x860 [ 59.317589] ccid2_hc_rx_packet_recv+0xf9/0x170 [ 59.317594] dccp_deliver_input_to_ccids+0xc5/0x210 [ 59.321376] __should_failslab+0xba/0xf0 [ 59.325516] dccp_rcv_established+0x49/0x70 [ 59.325520] dccp_v4_do_rcv+0xfa/0x160 [ 59.330172] should_failslab+0x9/0x14 [ 59.335296] __sk_receive_skb+0x2a2/0x9a0 [ 59.335306] dccp_v4_rcv+0xbcd/0x1bbd [ 59.339381] kmem_cache_alloc_trace+0x2d4/0x740 [ 59.343692] ip_local_deliver_finish+0x235/0x9f0 [ 59.347558] ? debug_object_activate+0x327/0x4e0 [ 59.351334] ip_local_deliver+0x2f7/0x440 [ 59.355464] ? lock_downgrade+0x860/0x860 [ 59.359245] ip_rcv_finish+0x166/0x270 [ 59.364680] dccp_feat_entry_new+0x140/0x360 [ 59.369408] ip_rcv+0xcb/0x2e0 [ 59.374139] dccp_feat_push_confirm+0x26/0x280 [ 59.378262] __netif_receive_skb_one_core+0xe9/0x170 [ 59.382388] dccp_feat_parse_options+0xf99/0x1a20 [ 59.386243] __netif_receive_skb+0x1f/0x1b0 [ 59.390635] ? dccp_ackvec_parsed_add+0x51/0x220 [ 59.393798] process_backlog+0x1ca/0x6d0 [ 59.393803] net_rx_action+0x470/0xe20 [ 59.398538] ? dccp_feat_server_ccid_dependencies+0x1f0/0x1f0 [ 59.403620] __do_softirq+0x260/0x92d [ 59.408437] ? dccp_ackvec_parsed_add+0x115/0x220 [ 59.412725] [ 59.417460] dccp_parse_options+0x840/0xf20 [ 59.421498] Freed by task 7232: [ 59.425377] dccp_rcv_established+0x23/0x70 [ 59.431233] save_stack+0x43/0xd0 [ 59.435009] dccp_v4_do_rcv+0xfa/0x160 [ 59.439834] __kasan_slab_free+0x102/0x150 [ 59.441533] __release_sock+0x107/0x360 [ 59.445821] kasan_slab_free+0xe/0x10 [ 59.445826] kfree+0xcf/0x220 [ 59.449085] release_sock+0x4f/0x180 [ 59.453372] skb_free_head+0x74/0x90 [ 59.453377] skb_release_data+0x481/0x6c0 [ 59.456809] dccp_sendmsg+0x4f6/0xe20 [ 59.460684] skb_release_all+0x3d/0x50 [ 59.460690] kfree_skb+0x97/0x270 [ 59.464931] ? sock_has_perm+0x1e2/0x2e0 [ 59.468889] dccp_v4_do_rcv+0x111/0x160 [ 59.468897] __release_sock+0x107/0x360 [ 59.472692] ? dccp_getsockopt+0xd0/0xd0 [ 59.475767] release_sock+0x4f/0x180 [ 59.479478] ? copy_msghdr_from_user+0x20b/0x3e0 [ 59.483179] dccp_sendmsg+0x4f6/0xe20 [ 59.487324] inet_sendmsg+0x108/0x440 [ 59.491104] inet_sendmsg+0x108/0x440 [ 59.491112] sock_sendmsg+0xb5/0xf0 [ 59.494984] ? security_socket_sendmsg+0x4a/0x90 [ 59.498413] ___sys_sendmsg+0x28e/0x950 [ 59.502454] ? ipip_gro_receive+0xf0/0xf0 [ 59.506401] __sys_sendmmsg+0x160/0x370 [ 59.510348] sock_sendmsg+0xb5/0xf0 [ 59.514532] __x64_sys_sendmmsg+0x98/0x100 [ 59.514543] do_syscall_64+0xd0/0x4e0 [ 59.518253] ___sys_sendmsg+0x28e/0x950 [ 59.522990] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.526767] ? find_held_lock+0x36/0x1d0 [ 59.530550] [ 59.534343] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 59.534351] ? mark_held_locks+0x130/0x130 [ 59.537979] The buggy address belongs to the object at ffff8880a8748d40 [ 59.537979] which belongs to the cache kmalloc-2048 of size 2048 [ 59.542710] ? lock_downgrade+0x860/0x860 [ 59.546658] The buggy address is located 1186 bytes inside of [ 59.546658] 2048-byte region [ffff8880a8748d40, ffff8880a8749540) [ 59.550792] ? kasan_check_read+0x11/0x20 [ 59.554733] The buggy address belongs to the page: [ 59.558343] ? find_held_lock+0x36/0x1d0 [ 59.562551] page:ffffea0002a1d200 count:1 mapcount:0 mapping:ffff88812c35ec40 index:0x0 compound_mapcount: 0 [ 59.566331] ? __might_fault+0xf1/0x1b0 [ 59.570275] flags: 0x1fffc0000008100(slab|head) [ 59.575448] __sys_sendmmsg+0x160/0x370 [ 59.579476] raw: 01fffc0000008100 ffffea0002212408 ffffea00021d1388 ffff88812c35ec40 [ 59.581082] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 59.585819] raw: 0000000000000000 ffff8880a87484c0 0000000100000003 0000000000000000 [ 59.590039] ? kasan_check_write+0x14/0x20 [ 59.602837] page dumped because: kasan: bad access detected [ 59.602840] [ 59.606987] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 59.619015] Memory state around the buggy address: [ 59.619022] ffff8880a8749080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.623177] ? __sb_end_write+0xa4/0xd0 [ 59.628084] ffff8880a8749100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.632147] ? kasan_check_write+0x14/0x20 [ 59.642098] >ffff8880a8749180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.646056] ? fput+0x18/0x120 [ 59.650695] ^ [ 59.650699] ffff8880a8749200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.654662] ? ksys_write+0x1ce/0x260 [ 59.662604] ffff8880a8749280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.666906] ? do_sys_open+0x16e/0x350 [ 59.674768] ================================================================== [ 59.674771] Disabling lock debugging due to kernel taint [ 59.678987] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 59.710695] Kernel panic - not syncing: panic_on_warn set ... [ 59.710695] [ 59.714700] ? do_syscall_64+0x21/0x4e0 [ 59.787357] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.792803] __x64_sys_sendmmsg+0x98/0x100 [ 59.797025] do_syscall_64+0xd0/0x4e0 [ 59.800805] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.805971] RIP: 0033:0x45a219 [ 59.809155] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.828034] RSP: 002b:00007f581dfe0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 59.835721] RAX: ffffffffffffffda RBX: 00007f581dfe0c90 RCX: 000000000045a219 [ 59.842980] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 59.850232] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 59.857479] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f581dfe16d4 [ 59.864740] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 59.872015] CPU: 1 PID: 7232 Comm: syz-executor.1 Tainted: G B 4.19.89-syzkaller #0 [ 59.875740] kobject: 'loop0' (00000000e918cb86): kobject_uevent_env [ 59.881115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.896847] Call Trace: [ 59.899437] dump_stack+0x123/0x177 [ 59.901692] kobject: 'loop0' (00000000e918cb86): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 59.903063] panic+0x1cd/0x375 [ 59.915672] ? __warn_printk+0xd6/0xd6 [ 59.916997] dccp_parse_options: DCCP(00000000e62ef3d7): Option 32 (len=7) error=9 [ 59.919554] ? ___preempt_schedule+0x16/0x18 [ 59.919566] kasan_end_report+0x47/0x4f [ 59.928956] dccp_parse_options: DCCP(00000000818d4ab6): Option 32 (len=7) error=9 [ 59.931571] kasan_report.cold.9+0x76/0x309 [ 59.931580] ? ccid2_hc_tx_packet_recv+0x1edd/0x21d3 [ 59.931586] __asan_report_load1_noabort+0x14/0x20 [ 59.937781] kobject: 'loop4' (0000000028a91d79): kobject_uevent_env [ 59.943181] ccid2_hc_tx_packet_recv+0x1edd/0x21d3 [ 59.951752] kobject: 'loop4' (0000000028a91d79): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 59.952574] ? dccp_ackvec_clear_state+0x33e/0x7e0 [ 59.952584] ? rcu_read_lock_sched_held+0x108/0x120 [ 59.965441] kobject: 'loop5' (000000008112b895): kobject_uevent_env [ 59.968811] dccp_deliver_input_to_ccids+0x19f/0x210 [ 59.968816] dccp_rcv_established+0x49/0x70 [ 59.968821] dccp_v4_do_rcv+0xfa/0x160 [ 59.968829] __release_sock+0x107/0x360 [ 59.968835] release_sock+0x4f/0x180 [ 59.968839] dccp_sendmsg+0x4f6/0xe20 [ 59.968848] ? sock_has_perm+0x1e2/0x2e0 [ 59.968853] ? dccp_getsockopt+0xd0/0xd0 [ 59.968860] ? copy_msghdr_from_user+0x20b/0x3e0 [ 59.968868] inet_sendmsg+0x108/0x440 [ 59.968876] ? security_socket_sendmsg+0x4a/0x90 [ 59.985799] kobject: 'loop5' (000000008112b895): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 59.988523] ? ipip_gro_receive+0xf0/0xf0 [ 60.020470] FAULT_INJECTION: forcing a failure. [ 60.020470] name failslab, interval 1, probability 0, space 0, times 0 [ 60.024052] sock_sendmsg+0xb5/0xf0 [ 60.024059] ___sys_sendmsg+0x28e/0x950 [ 60.024066] ? find_held_lock+0x36/0x1d0 [ 60.024073] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 60.083050] ? mark_held_locks+0x130/0x130 [ 60.087287] ? lock_downgrade+0x860/0x860 [ 60.091440] ? kasan_check_read+0x11/0x20 [ 60.095579] ? find_held_lock+0x36/0x1d0 [ 60.099636] ? __might_fault+0xf1/0x1b0 [ 60.103617] __sys_sendmmsg+0x160/0x370 [ 60.107587] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 60.111902] ? kasan_check_write+0x14/0x20 [ 60.116244] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 60.121088] ? __sb_end_write+0xa4/0xd0 [ 60.125061] ? kasan_check_write+0x14/0x20 [ 60.129291] ? fput+0x18/0x120 [ 60.132487] ? ksys_write+0x1ce/0x260 [ 60.136278] ? do_sys_open+0x16e/0x350 [ 60.140185] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 60.144947] ? do_syscall_64+0x21/0x4e0 [ 60.148917] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.154286] __x64_sys_sendmmsg+0x98/0x100 [ 60.158527] do_syscall_64+0xd0/0x4e0 [ 60.162452] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.167628] RIP: 0033:0x45a219 [ 60.170804] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.189852] RSP: 002b:00007f21cd33ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 60.197555] RAX: ffffffffffffffda RBX: 00007f21cd33ac90 RCX: 000000000045a219 [ 60.204919] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 60.212194] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 60.219469] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21cd33b6d4 [ 60.226741] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 60.234007] CPU: 0 PID: 7267 Comm: syz-executor.5 Tainted: G B 4.19.89-syzkaller #0 [ 60.243113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.252448] Call Trace: [ 60.255020] dump_stack+0x123/0x177 [ 60.258628] should_fail.cold.4+0x5/0x13 [ 60.262670] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 60.267756] ? kasan_check_write+0x14/0x20 [ 60.271982] __should_failslab+0xba/0xf0 [ 60.276024] should_failslab+0x9/0x14 [ 60.280852] kmem_cache_alloc+0x47/0x730 [ 60.284897] ? dccp_feat_clone_list+0x3c0/0x3c0 [ 60.289546] dccp_ackvec_update_records+0x25/0x3e0 [ 60.294458] dccp_insert_options+0x68e/0xb70 [ 60.298855] dccp_transmit_skb+0x194/0x1250 [ 60.303158] ? skb_unlink+0xeb/0x160 [ 60.306854] ? trace_hardirqs_on+0x28/0x190 [ 60.311158] dccp_xmit_packet+0x1a6/0x580 [ 60.315296] dccp_write_xmit+0x125/0x180 [ 60.319335] dccp_sendmsg+0x64c/0xe20 [ 60.323124] ? sock_has_perm+0x1e2/0x2e0 [ 60.327201] ? dccp_getsockopt+0xd0/0xd0 [ 60.331251] ? copy_msghdr_from_user+0x20b/0x3e0 [ 60.335998] inet_sendmsg+0x108/0x440 [ 60.339790] ? security_socket_sendmsg+0x4a/0x90 [ 60.344524] ? ipip_gro_receive+0xf0/0xf0 [ 60.348654] sock_sendmsg+0xb5/0xf0 [ 60.352329] ___sys_sendmsg+0x28e/0x950 [ 60.356290] ? lock_downgrade+0x860/0x860 [ 60.360430] ? copy_msghdr_from_user+0x3e0/0x3e0 [ 60.365163] ? mark_held_locks+0x130/0x130 [ 60.369387] ? lock_downgrade+0x860/0x860 [ 60.373513] ? __fget+0x9f/0x400 [ 60.376858] ? __fget+0x295/0x400 [ 60.380301] ? ksys_dup3+0x2e0/0x2e0 [ 60.383997] ? __might_fault+0xf1/0x1b0 [ 60.387951] ? lock_downgrade+0x860/0x860 [ 60.392110] ? __might_fault+0xc6/0x1b0 [ 60.396068] __sys_sendmmsg+0x160/0x370 [ 60.400031] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 60.404333] ? kasan_check_write+0x14/0x20 [ 60.408547] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 60.413370] ? __sb_end_write+0xa4/0xd0 [ 60.417328] ? kasan_check_write+0x14/0x20 [ 60.421540] ? fput+0x18/0x120 [ 60.424722] ? ksys_write+0x1ce/0x260 [ 60.428507] ? do_sys_open+0x16e/0x350 [ 60.432371] ? __ia32_sys_read+0xa0/0xa0 [ 60.436414] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.441233] __x64_sys_sendmmsg+0x98/0x100 [ 60.445452] do_syscall_64+0xd0/0x4e0 [ 60.449244] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.454532] RIP: 0033:0x45a219 [ 60.457709] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.476602] RSP: 002b:00007f581dfe0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 60.484294] RAX: ffffffffffffffda RBX: 00007f581dfe0c90 RCX: 000000000045a219 [ 60.491542] RDX: 04000000000001e6 RSI: 0000000020000c00 RDI: 0000000000000005 [ 60.498793] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 60.506040] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f581dfe16d4 [ 60.513303] R13: 00000000004c7fba R14: 00000000004de3e8 R15: 0000000000000006 [ 60.522236] Kernel Offset: disabled [ 60.525867] Rebooting in 86400 seconds..