[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 37.571532] kauditd_printk_skb: 9 callbacks suppressed [ 37.571541] audit: type=1800 audit(1571016397.438:33): pid=7320 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 37.599939] audit: type=1800 audit(1571016397.438:34): pid=7320 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 43.639407] audit: type=1400 audit(1571016403.508:35): avc: denied { map } for pid=7495 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 Warning: Permanently added '10.128.1.49' (ECDSA) to the list of known hosts. [ 351.312620] audit: type=1400 audit(1571016711.178:36): avc: denied { map } for pid=7507 comm="syz-execprog" path="/root/syz-execprog" 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 2019/10/14 01:31:51 parsed 1 programs [ 351.383201] audit: type=1400 audit(1571016711.248:37): avc: denied { map } for pid=7507 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=2310 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/10/14 01:31:53 executed programs: 0 [ 353.728554] IPVS: ftp: loaded support on port[0] = 21 [ 353.728614] IPVS: ftp: loaded support on port[0] = 21 [ 353.736293] IPVS: ftp: loaded support on port[0] = 21 [ 353.742446] IPVS: ftp: loaded support on port[0] = 21 [ 353.766619] IPVS: ftp: loaded support on port[0] = 21 [ 353.779820] IPVS: ftp: loaded support on port[0] = 21 [ 354.040058] chnl_net:caif_netlink_parms(): no params data found [ 354.078392] chnl_net:caif_netlink_parms(): no params data found [ 354.090319] chnl_net:caif_netlink_parms(): no params data found [ 354.208668] chnl_net:caif_netlink_parms(): no params data found [ 354.233414] bridge0: port 1(bridge_slave_0) entered blocking state [ 354.240412] bridge0: port 1(bridge_slave_0) entered disabled state [ 354.248638] device bridge_slave_0 entered promiscuous mode [ 354.259132] bridge0: port 1(bridge_slave_0) entered blocking state [ 354.265601] bridge0: port 1(bridge_slave_0) entered disabled state [ 354.272902] device bridge_slave_0 entered promiscuous mode [ 354.285969] chnl_net:caif_netlink_parms(): no params data found [ 354.300118] chnl_net:caif_netlink_parms(): no params data found [ 354.309062] bridge0: port 2(bridge_slave_1) entered blocking state [ 354.316615] bridge0: port 2(bridge_slave_1) entered disabled state [ 354.324170] device bridge_slave_1 entered promiscuous mode [ 354.334493] bridge0: port 2(bridge_slave_1) entered blocking state [ 354.340876] bridge0: port 2(bridge_slave_1) entered disabled state [ 354.348119] device bridge_slave_1 entered promiscuous mode [ 354.354803] bridge0: port 1(bridge_slave_0) entered blocking state [ 354.361180] bridge0: port 1(bridge_slave_0) entered disabled state [ 354.369097] device bridge_slave_0 entered promiscuous mode [ 354.379023] bridge0: port 2(bridge_slave_1) entered blocking state [ 354.386392] bridge0: port 2(bridge_slave_1) entered disabled state [ 354.393740] device bridge_slave_1 entered promiscuous mode [ 354.448526] bridge0: port 1(bridge_slave_0) entered blocking state [ 354.455790] bridge0: port 1(bridge_slave_0) entered disabled state [ 354.462900] device bridge_slave_0 entered promiscuous mode [ 354.482394] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 354.500653] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 354.519716] bridge0: port 2(bridge_slave_1) entered blocking state [ 354.526625] bridge0: port 2(bridge_slave_1) entered disabled state [ 354.534099] device bridge_slave_1 entered promiscuous mode [ 354.541620] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 354.551806] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 354.561596] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 354.570985] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 354.601960] bridge0: port 1(bridge_slave_0) entered blocking state [ 354.609473] bridge0: port 1(bridge_slave_0) entered disabled state [ 354.616706] device bridge_slave_0 entered promiscuous mode [ 354.642593] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 354.650456] team0: Port device team_slave_0 added [ 354.670662] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 354.679727] team0: Port device team_slave_0 added [ 354.685669] bridge0: port 2(bridge_slave_1) entered blocking state [ 354.692284] bridge0: port 2(bridge_slave_1) entered disabled state [ 354.699653] device bridge_slave_1 entered promiscuous mode [ 354.706690] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 354.714399] team0: Port device team_slave_1 added [ 354.719485] bridge0: port 1(bridge_slave_0) entered blocking state [ 354.726080] bridge0: port 1(bridge_slave_0) entered disabled state [ 354.733161] device bridge_slave_0 entered promiscuous mode [ 354.740625] bridge0: port 2(bridge_slave_1) entered blocking state [ 354.747272] bridge0: port 2(bridge_slave_1) entered disabled state [ 354.754790] device bridge_slave_1 entered promiscuous mode [ 354.762518] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 354.770940] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 354.780654] team0: Port device team_slave_0 added [ 354.786285] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 354.793550] team0: Port device team_slave_1 added [ 354.805405] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 354.813003] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 354.826871] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 354.840621] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 354.848407] team0: Port device team_slave_1 added [ 354.857884] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 354.865565] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 354.872858] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 354.880541] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 354.904770] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 354.912975] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 354.920374] team0: Port device team_slave_0 added [ 354.934837] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 354.997173] device hsr_slave_0 entered promiscuous mode [ 355.034185] device hsr_slave_1 entered promiscuous mode [ 355.074681] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 355.082135] team0: Port device team_slave_1 added [ 355.088552] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 355.175630] device hsr_slave_0 entered promiscuous mode [ 355.214275] device hsr_slave_1 entered promiscuous mode [ 355.258085] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 355.279871] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 355.287280] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 355.335606] device hsr_slave_0 entered promiscuous mode [ 355.394021] device hsr_slave_1 entered promiscuous mode [ 355.474283] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 355.481283] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 355.492781] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 355.499813] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 355.507473] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 355.514996] team0: Port device team_slave_0 added [ 355.520428] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 355.527954] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 355.535076] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 355.542235] team0: Port device team_slave_0 added [ 355.552631] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 355.561467] team0: Port device team_slave_1 added [ 355.567387] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 355.575567] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 355.591209] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 355.599215] team0: Port device team_slave_1 added [ 355.604800] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 355.686751] device hsr_slave_0 entered promiscuous mode [ 355.714293] device hsr_slave_1 entered promiscuous mode [ 355.764732] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 355.773535] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 355.825628] device hsr_slave_0 entered promiscuous mode [ 355.884062] device hsr_slave_1 entered promiscuous mode [ 355.924618] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 355.931736] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 355.943050] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 356.005793] device hsr_slave_0 entered promiscuous mode [ 356.064055] device hsr_slave_1 entered promiscuous mode [ 356.104600] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 356.111915] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 356.120323] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 356.129567] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 356.138444] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 356.159654] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 356.174429] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 356.202619] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 356.273535] 8021q: adding VLAN 0 to HW filter on device bond0 [ 356.299346] 8021q: adding VLAN 0 to HW filter on device bond0 [ 356.312042] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 356.321473] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 356.330710] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 356.340200] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 356.346869] 8021q: adding VLAN 0 to HW filter on device team0 [ 356.356356] 8021q: adding VLAN 0 to HW filter on device bond0 [ 356.364674] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 356.375375] 8021q: adding VLAN 0 to HW filter on device bond0 [ 356.386275] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 356.394191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 356.401436] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 356.408632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 356.421002] 8021q: adding VLAN 0 to HW filter on device bond0 [ 356.431427] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 356.438355] 8021q: adding VLAN 0 to HW filter on device team0 [ 356.446006] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 356.457930] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 356.465629] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 356.480074] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 356.488288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 356.496420] bridge0: port 1(bridge_slave_0) entered blocking state [ 356.502894] bridge0: port 1(bridge_slave_0) entered forwarding state [ 356.512510] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 356.521794] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 356.530689] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 356.539386] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 356.547546] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 356.555009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 356.562814] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 356.570816] bridge0: port 1(bridge_slave_0) entered blocking state [ 356.577251] bridge0: port 1(bridge_slave_0) entered forwarding state [ 356.585225] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 356.592286] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 356.599693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 356.607698] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 356.615950] bridge0: port 2(bridge_slave_1) entered blocking state [ 356.622306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 356.631826] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 356.646564] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 356.658603] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 356.664989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 356.672092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 356.680127] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 356.687920] bridge0: port 2(bridge_slave_1) entered blocking state [ 356.694409] bridge0: port 2(bridge_slave_1) entered forwarding state [ 356.701634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 356.711471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 356.718644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 356.726934] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 356.734314] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 356.740541] 8021q: adding VLAN 0 to HW filter on device team0 [ 356.749145] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 356.760239] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 356.766584] 8021q: adding VLAN 0 to HW filter on device team0 [ 356.775104] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 356.781278] 8021q: adding VLAN 0 to HW filter on device team0 [ 356.791728] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 356.799305] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 356.807160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 356.817666] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 356.827889] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 356.838465] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 356.851305] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 356.860536] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 356.868918] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 356.877108] bridge0: port 1(bridge_slave_0) entered blocking state [ 356.883750] bridge0: port 1(bridge_slave_0) entered forwarding state [ 356.891781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 356.900091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 356.908088] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 356.915892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 356.924129] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 356.931732] bridge0: port 1(bridge_slave_0) entered blocking state [ 356.938130] bridge0: port 1(bridge_slave_0) entered forwarding state [ 356.946552] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 356.953429] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 356.964191] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 356.971570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 356.979042] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 356.989305] 8021q: adding VLAN 0 to HW filter on device bond0 [ 356.999448] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 357.012801] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 357.023573] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 357.030562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 357.040976] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 357.050644] bridge0: port 1(bridge_slave_0) entered blocking state [ 357.057152] bridge0: port 1(bridge_slave_0) entered forwarding state [ 357.065193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 357.073364] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 357.081274] bridge0: port 2(bridge_slave_1) entered blocking state [ 357.087663] bridge0: port 2(bridge_slave_1) entered forwarding state [ 357.094844] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 357.103574] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 357.112254] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 357.121548] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 357.131488] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 357.141387] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 357.151214] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 357.159415] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 357.167730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 357.175978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 357.183856] bridge0: port 2(bridge_slave_1) entered blocking state [ 357.191348] bridge0: port 2(bridge_slave_1) entered forwarding state [ 357.198311] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 357.206424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 357.214386] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 357.222023] bridge0: port 2(bridge_slave_1) entered blocking state [ 357.228512] bridge0: port 2(bridge_slave_1) entered forwarding state [ 357.235652] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 357.246185] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 357.254887] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 357.264309] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 357.273522] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 357.283090] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 357.290971] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 357.299689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 357.309486] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 357.317314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 357.326163] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 357.334018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 357.341917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 357.349969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 357.357753] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 357.365200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 357.372442] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 357.381500] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 357.394490] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 357.404710] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 357.416796] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 357.424813] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 357.432892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 357.441194] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 357.448966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 357.457286] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 357.465317] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 357.473361] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 357.481102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 357.489015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 357.496912] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 357.506177] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 357.519398] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 357.530343] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 357.536993] 8021q: adding VLAN 0 to HW filter on device team0 [ 357.544634] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 357.551666] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 357.558970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 357.566631] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 357.574231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 357.581920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 357.593350] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 357.600495] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 357.609257] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 357.620237] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 357.628737] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 357.637160] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 357.646748] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 357.656160] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 357.664047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 357.672182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 357.679759] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 357.687577] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 357.695190] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 357.703073] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 357.711413] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 357.720820] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 357.729850] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 357.738845] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 357.747862] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 357.754926] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 357.762921] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 357.771342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 357.779554] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 357.787897] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 357.795773] bridge0: port 1(bridge_slave_0) entered blocking state [ 357.802551] bridge0: port 1(bridge_slave_0) entered forwarding state [ 357.809484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 357.817519] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 357.826811] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 357.836096] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 357.847475] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 357.861356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 357.868863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 357.876825] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 357.887100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 357.895519] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 357.903074] bridge0: port 2(bridge_slave_1) entered blocking state [ 357.909651] bridge0: port 2(bridge_slave_1) entered forwarding state [ 357.917450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 357.925381] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 357.941572] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 357.948572] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 357.956827] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 357.966811] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 357.978106] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 357.987752] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 358.000260] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 358.007370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 358.016376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 358.024052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 358.031833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 358.041208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 358.049425] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 358.057643] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 358.066616] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 358.076625] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 358.086335] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 358.092720] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 358.103082] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 358.111170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 358.120388] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 358.128788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 358.136818] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 358.149770] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 358.159501] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 358.165649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 358.177923] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 358.188285] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 358.198273] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 358.210797] audit: type=1400 audit(1571016718.078:38): avc: denied { associate } for pid=7540 comm="syz-executor.5" name="syz5" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 358.250244] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 358.258483] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 358.269102] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 358.279330] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 358.290776] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 358.297856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 358.306115] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 358.317951] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 358.329762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 358.374949] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 358.382513] audit: type=1400 audit(1571016718.248:39): avc: denied { create } for pid=7557 comm="syz-executor.5" 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 [ 358.385532] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 358.436023] audit: type=1400 audit(1571016718.278:40): avc: denied { write } for pid=7557 comm="syz-executor.5" 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 [ 358.440145] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 358.460533] audit: type=1400 audit(1571016718.278:41): avc: denied { read } for pid=7557 comm="syz-executor.5" 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 [ 358.541842] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready 2019/10/14 01:31:58 executed programs: 9 [ 358.601807] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 504.983858] INFO: task syz-executor.5:7624 blocked for more than 140 seconds. [ 504.991325] Not tainted 4.19.79 #0 [ 505.001571] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 505.009865] syz-executor.5 D28664 7624 7540 0x00000004 [ 505.025995] Call Trace: [ 505.028757] __schedule+0x866/0x1dc0 [ 505.032476] ? __mutex_lock+0x721/0x1300 [ 505.042840] ? pci_mmcfg_check_reserved+0x170/0x170 [ 505.048265] ? kasan_check_read+0x11/0x20 [ 505.052774] schedule+0x92/0x1c0 [ 505.062044] schedule_preempt_disabled+0x13/0x20 [ 505.069750] __mutex_lock+0x726/0x1300 [ 505.073745] ? genl_rcv_msg+0x13e/0x170 [ 505.083744] ? mutex_trylock+0x1e0/0x1e0 [ 505.087874] ? __lock_acquire+0x6ee/0x49c0 [ 505.092154] ? __local_bh_enable_ip+0x15a/0x270 [ 505.102942] ? __dev_queue_xmit+0x892/0x2fe0 [ 505.107710] mutex_lock_nested+0x16/0x20 [ 505.111775] ? mutex_lock_nested+0x16/0x20 [ 505.122020] genl_rcv_msg+0x13e/0x170 [ 505.126119] netlink_rcv_skb+0x17d/0x460 [ 505.130198] ? genl_family_rcv_msg+0xd30/0xd30 [ 505.140777] ? netlink_ack+0xb30/0xb30 [ 505.144988] genl_rcv+0x29/0x40 [ 505.148286] netlink_unicast+0x537/0x720 [ 505.152369] ? netlink_attachskb+0x770/0x770 [ 505.162901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 505.168771] netlink_sendmsg+0x8ae/0xd70 [ 505.172844] ? netlink_unicast+0x720/0x720 [ 505.183057] ? selinux_socket_sendmsg+0x36/0x40 [ 505.188040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 505.193590] ? security_socket_sendmsg+0x8d/0xc0 [ 505.205230] ? netlink_unicast+0x720/0x720 [ 505.209558] sock_sendmsg+0xd7/0x130 [ 505.213277] ___sys_sendmsg+0x803/0x920 [ 505.222406] ? copy_msghdr_from_user+0x430/0x430 [ 505.231281] ? lock_downgrade+0x880/0x880 [ 505.240439] ? kasan_check_read+0x11/0x20 [ 505.245947] ? __fget+0x367/0x540 [ 505.249419] ? iterate_fd+0x360/0x360 [ 505.253262] ? find_held_lock+0x35/0x130 [ 505.262601] ? __fd_install+0x1bc/0x640 [ 505.267839] ? __fget_light+0x1a9/0x230 [ 505.271827] ? __fdget+0x1b/0x20 [ 505.280417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 505.287303] __sys_sendmsg+0x105/0x1d0 [ 505.291203] ? __ia32_sys_shutdown+0x80/0x80 [ 505.300588] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 505.310308] ? do_syscall_64+0x26/0x620 [ 505.319218] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 505.325813] ? do_syscall_64+0x26/0x620 [ 505.329953] __x64_sys_sendmsg+0x78/0xb0 [ 505.339736] do_syscall_64+0xfd/0x620 [ 505.345421] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 505.350615] RIP: 0033:0x413861 [ 505.358691] Code: 41 00 e9 70 ff ff ff 66 90 48 c7 03 80 3c 41 00 e9 62 ff ff ff 0f 1f 40 00 b8 18 fc ff ff e9 56 ff ff ff bf 97 30 44 00 b9 0d <00> 00 00 48 89 ee f3 a6 75 0c 48 c7 03 80 39 41 00 e9 37 ff ff ff [ 505.383816] RSP: 002b:00007f9cb14949c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 505.391586] RAX: ffffffffffffffda RBX: 00007f9cb1494a58 RCX: 0000000000413861 [ 505.404910] RDX: 0000000000000000 RSI: 00007f9cb1494a00 RDI: 0000000000000005 [ 505.412293] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 505.425751] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9cb1494a40 [ 505.433046] R13: 00000000004d0e40 R14: 00000000004e0098 R15: 00000000ffffffff [ 505.446465] INFO: task syz-executor.5:7635 blocked for more than 140 seconds. [ 505.457006] Not tainted 4.19.79 #0 [ 505.461088] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 505.479604] syz-executor.5 D27912 7635 7540 0x00000004 [ 505.485601] Call Trace: [ 505.488212] __schedule+0x866/0x1dc0 [ 505.491925] ? __mutex_lock+0x721/0x1300 [ 505.502045] ? pci_mmcfg_check_reserved+0x170/0x170 [ 505.507400] ? kasan_check_read+0x11/0x20 [ 505.511561] schedule+0x92/0x1c0 [ 505.520748] schedule_preempt_disabled+0x13/0x20 [ 505.525786] __mutex_lock+0x726/0x1300 [ 505.529695] ? genl_rcv_msg+0x13e/0x170 [ 505.539557] ? mutex_trylock+0x1e0/0x1e0 [ 505.543634] ? __lock_acquire+0x6ee/0x49c0 [ 505.549160] ? __local_bh_enable_ip+0x15a/0x270 [ 505.559644] ? __dev_queue_xmit+0x892/0x2fe0 [ 505.564358] mutex_lock_nested+0x16/0x20 [ 505.568433] ? mutex_lock_nested+0x16/0x20 [ 505.572674] genl_rcv_msg+0x13e/0x170 [ 505.582648] netlink_rcv_skb+0x17d/0x460 [ 505.586997] ? genl_family_rcv_msg+0xd30/0xd30 [ 505.591589] ? netlink_ack+0xb30/0xb30 [ 505.601343] genl_rcv+0x29/0x40 [ 505.605674] netlink_unicast+0x537/0x720 [ 505.609745] ? netlink_attachskb+0x770/0x770 [ 505.619968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 505.627847] netlink_sendmsg+0x8ae/0xd70 [ 505.631930] ? netlink_unicast+0x720/0x720 [ 505.642964] ? selinux_socket_sendmsg+0x36/0x40 [ 505.648004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 505.653546] ? security_socket_sendmsg+0x8d/0xc0 [ 505.664162] ? netlink_unicast+0x720/0x720 [ 505.668415] sock_sendmsg+0xd7/0x130 [ 505.672136] ___sys_sendmsg+0x803/0x920 [ 505.681749] ? copy_msghdr_from_user+0x430/0x430 [ 505.687833] ? lock_downgrade+0x880/0x880 [ 505.692122] ? kasan_check_read+0x11/0x20 [ 505.701399] ? __fget+0x367/0x540 [ 505.706254] ? iterate_fd+0x360/0x360 [ 505.710068] ? find_held_lock+0x35/0x130 [ 505.719006] ? __fd_install+0x1bc/0x640 [ 505.723002] ? __fget_light+0x1a9/0x230 [ 505.728224] ? __fdget+0x1b/0x20 [ 505.731598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 505.742827] __sys_sendmsg+0x105/0x1d0 [ 505.748018] ? __ia32_sys_shutdown+0x80/0x80 [ 505.752475] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 505.763367] ? do_syscall_64+0x26/0x620 [ 505.768563] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 505.778798] ? do_syscall_64+0x26/0x620 [ 505.782801] __x64_sys_sendmsg+0x78/0xb0 [ 505.788112] do_syscall_64+0xfd/0x620 [ 505.791924] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 505.802028] RIP: 0033:0x413861 [ 505.806427] Code: 41 00 e9 70 ff ff ff 66 90 48 c7 03 80 3c 41 00 e9 62 ff ff ff 0f 1f 40 00 b8 18 fc ff ff e9 56 ff ff ff bf 97 30 44 00 b9 0d <00> 00 00 48 89 ee f3 a6 75 0c 48 c7 03 80 39 41 00 e9 37 ff ff ff [ 505.831374] RSP: 002b:00007f9cb14739c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 505.839412] RAX: ffffffffffffffda RBX: 00007f9cb1473a58 RCX: 0000000000413861 [ 505.852461] RDX: 0000000000000000 RSI: 00007f9cb1473a00 RDI: 0000000000000005 [ 505.860011] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 505.875341] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9cb1473a40 [ 505.882635] R13: 00000000004d0e40 R14: 00000000004e0098 R15: 00000000ffffffff [ 505.895935] INFO: task syz-executor.4:7630 blocked for more than 140 seconds. [ 505.903224] Not tainted 4.19.79 #0 [ 505.910407] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 505.921681] syz-executor.4 D28664 7630 7535 0x00000004 [ 505.930364] Call Trace: [ 505.932979] __schedule+0x866/0x1dc0 [ 505.939733] ? __mutex_lock+0x721/0x1300 [ 505.948729] ? pci_mmcfg_check_reserved+0x170/0x170 [ 505.956829] ? kasan_check_read+0x11/0x20 [ 505.961007] schedule+0x92/0x1c0 [ 505.967997] schedule_preempt_disabled+0x13/0x20 [ 505.972866] __mutex_lock+0x726/0x1300 [ 505.979824] ? genl_rcv_msg+0x13e/0x170 [ 505.986835] ? mutex_trylock+0x1e0/0x1e0 [ 505.990923] ? __lock_acquire+0x6ee/0x49c0 [ 505.998214] ? __local_bh_enable_ip+0x15a/0x270 [ 506.002919] ? __dev_queue_xmit+0x892/0x2fe0 [ 506.011228] mutex_lock_nested+0x16/0x20 [ 506.018448] ? mutex_lock_nested+0x16/0x20 [ 506.022704] genl_rcv_msg+0x13e/0x170 [ 506.029627] netlink_rcv_skb+0x17d/0x460 [ 506.036782] ? genl_family_rcv_msg+0xd30/0xd30 [ 506.041607] ? netlink_ack+0xb30/0xb30 [ 506.048795] genl_rcv+0x29/0x40 [ 506.052094] netlink_unicast+0x537/0x720 [ 506.059310] ? netlink_attachskb+0x770/0x770 [ 506.066794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 506.072964] netlink_sendmsg+0x8ae/0xd70 [ 506.080124] ? netlink_unicast+0x720/0x720 [ 506.087428] ? selinux_socket_sendmsg+0x36/0x40 [ 506.092108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 506.100763] ? security_socket_sendmsg+0x8d/0xc0 [ 506.110452] ? netlink_unicast+0x720/0x720 [ 506.119488] sock_sendmsg+0xd7/0x130 [ 506.123311] ___sys_sendmsg+0x803/0x920 [ 506.130453] ? copy_msghdr_from_user+0x430/0x430 [ 506.139665] ? lock_downgrade+0x880/0x880 [ 506.146866] ? kasan_check_read+0x11/0x20 [ 506.151031] ? __fget+0x367/0x540 [ 506.157539] ? iterate_fd+0x360/0x360 [ 506.161356] ? find_held_lock+0x35/0x130 [ 506.168582] ? __fd_install+0x1bc/0x640 [ 506.172859] ? __fget_light+0x1a9/0x230 [ 506.179959] ? __fdget+0x1b/0x20 [ 506.183344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 506.192066] __sys_sendmsg+0x105/0x1d0 [ 506.199036] ? __ia32_sys_shutdown+0x80/0x80 [ 506.203470] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 506.211615] ? do_syscall_64+0x26/0x620 [ 506.218677] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 506.227325] ? do_syscall_64+0x26/0x620 [ 506.231323] __x64_sys_sendmsg+0x78/0xb0 [ 506.238562] do_syscall_64+0xfd/0x620 [ 506.242384] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 506.251066] RIP: 0033:0x413861 [ 506.257401] Code: 41 00 e9 70 ff ff ff 66 90 48 c7 03 80 3c 41 00 e9 62 ff ff ff 0f 1f 40 00 b8 18 fc ff ff e9 56 ff ff ff bf 97 30 44 00 b9 0d <00> 00 00 48 89 ee f3 a6 75 0c 48 c7 03 80 39 41 00 e9 37 ff ff ff [ 506.284811] RSP: 002b:00007fdeca4279c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 506.299717] RAX: ffffffffffffffda RBX: 00007fdeca427a58 RCX: 0000000000413861 [ 506.307498] RDX: 0000000000000000 RSI: 00007fdeca427a00 RDI: 0000000000000005 [ 506.321109] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 506.328788] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fdeca427a40 [ 506.342092] R13: 00000000004d0e40 R14: 00000000004e0098 R15: 00000000ffffffff [ 506.350147] INFO: task syz-executor.4:7636 blocked for more than 140 seconds. [ 506.363474] Not tainted 4.19.79 #0 [ 506.367796] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 506.381703] syz-executor.4 D27912 7636 7535 0x00000004 [ 506.387858] Call Trace: [ 506.390468] __schedule+0x866/0x1dc0 [ 506.400173] ? __mutex_lock+0x721/0x1300 [ 506.404553] ? pci_mmcfg_check_reserved+0x170/0x170 [ 506.409586] ? kasan_check_read+0x11/0x20 [ 506.420336] schedule+0x92/0x1c0 [ 506.424084] schedule_preempt_disabled+0x13/0x20 [ 506.428852] __mutex_lock+0x726/0x1300 [ 506.432739] ? genl_rcv_msg+0x13e/0x170 [ 506.442782] ? mutex_trylock+0x1e0/0x1e0 [ 506.447207] ? __lock_acquire+0x6ee/0x49c0 [ 506.452319] ? __local_bh_enable_ip+0x15a/0x270 [ 506.463037] ? __dev_queue_xmit+0x892/0x2fe0 [ 506.467895] mutex_lock_nested+0x16/0x20 [ 506.471962] ? mutex_lock_nested+0x16/0x20 [ 506.482044] genl_rcv_msg+0x13e/0x170 [ 506.486777] netlink_rcv_skb+0x17d/0x460 [ 506.490845] ? genl_family_rcv_msg+0xd30/0xd30 [ 506.502265] ? netlink_ack+0xb30/0xb30 [ 506.506589] genl_rcv+0x29/0x40 [ 506.509964] netlink_unicast+0x537/0x720 [ 506.520005] ? netlink_attachskb+0x770/0x770 [ 506.524824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 506.530372] netlink_sendmsg+0x8ae/0xd70 [ 506.540240] ? netlink_unicast+0x720/0x720 [ 506.545551] ? selinux_socket_sendmsg+0x36/0x40 [ 506.550234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 506.561674] ? security_socket_sendmsg+0x8d/0xc0 [ 506.566796] ? netlink_unicast+0x720/0x720 [ 506.571037] sock_sendmsg+0xd7/0x130 [ 506.580860] ___sys_sendmsg+0x803/0x920 [ 506.585237] ? copy_msghdr_from_user+0x430/0x430 [ 506.590006] ? lock_downgrade+0x880/0x880 [ 506.599958] ? kasan_check_read+0x11/0x20 [ 506.604388] ? __fget+0x367/0x540 [ 506.607852] ? iterate_fd+0x360/0x360 [ 506.611656] ? find_held_lock+0x35/0x130 [ 506.621664] ? __fd_install+0x1bc/0x640 [ 506.625941] ? __fget_light+0x1a9/0x230 [ 506.630451] ? __fdget+0x1b/0x20 [ 506.639619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 506.646434] __sys_sendmsg+0x105/0x1d0 [ 506.650366] ? __ia32_sys_shutdown+0x80/0x80 [ 506.660642] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 506.665746] ? do_syscall_64+0x26/0x620 [ 506.669734] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 506.681891] ? do_syscall_64+0x26/0x620 [ 506.686245] __x64_sys_sendmsg+0x78/0xb0 [ 506.690323] do_syscall_64+0xfd/0x620 [ 506.699959] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 506.705441] RIP: 0033:0x413861 [ 506.708643] Code: 41 00 e9 70 ff ff ff 66 90 48 c7 03 80 3c 41 00 e9 62 ff ff ff 0f 1f 40 00 b8 18 fc ff ff e9 56 ff ff ff bf 97 30 44 00 b9 0d <00> 00 00 48 89 ee f3 a6 75 0c 48 c7 03 80 39 41 00 e9 37 ff ff ff [ 506.733576] RSP: 002b:00007fdeca4069c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 506.741696] RAX: ffffffffffffffda RBX: 00007fdeca406a58 RCX: 0000000000413861 [ 506.754901] RDX: 0000000000000000 RSI: 00007fdeca406a00 RDI: 0000000000000005 [ 506.762186] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 506.773513] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fdeca406a40 [ 506.783017] R13: 00000000004d0e40 R14: 00000000004e0098 R15: 00000000ffffffff [ 506.796218] INFO: task syz-executor.1:7629 blocked for more than 140 seconds. [ 506.803508] Not tainted 4.19.79 #0 [ 506.811296] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 506.822178] syz-executor.1 D28664 7629 7539 0x00000004 [ 506.830714] Call Trace: [ 506.837224] __schedule+0x866/0x1dc0 [ 506.840954] ? __mutex_lock+0x721/0x1300 [ 506.848027] ? pci_mmcfg_check_reserved+0x170/0x170 [ 506.853065] ? kasan_check_read+0x11/0x20 [ 506.860117] schedule+0x92/0x1c0 [ 506.863497] schedule_preempt_disabled+0x13/0x20 [ 506.871137] __mutex_lock+0x726/0x1300 [ 506.877925] ? genl_rcv_msg+0x13e/0x170 [ 506.881913] ? mutex_trylock+0x1e0/0x1e0 [ 506.888870] ? __lock_acquire+0x6ee/0x49c0 [ 506.893206] ? __local_bh_enable_ip+0x15a/0x270 [ 506.900804] ? __dev_queue_xmit+0x892/0x2fe0 [ 506.909050] mutex_lock_nested+0x16/0x20 [ 506.913128] ? mutex_lock_nested+0x16/0x20 [ 506.920282] genl_rcv_msg+0x13e/0x170 [ 506.927015] netlink_rcv_skb+0x17d/0x460 [ 506.931094] ? genl_family_rcv_msg+0xd30/0xd30 [ 506.939481] ? netlink_ack+0xb30/0xb30 [ 506.943397] genl_rcv+0x29/0x40 [ 506.949575] netlink_unicast+0x537/0x720 [ 506.953652] ? netlink_attachskb+0x770/0x770 [ 506.960980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 506.969419] netlink_sendmsg+0x8ae/0xd70 [ 506.973506] ? netlink_unicast+0x720/0x720 [ 506.980668] ? selinux_socket_sendmsg+0x36/0x40 [ 506.990116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 506.998648] ? security_socket_sendmsg+0x8d/0xc0 [ 507.003417] ? netlink_unicast+0x720/0x720 [ 507.010791] sock_sendmsg+0xd7/0x130 [ 507.017400] ___sys_sendmsg+0x803/0x920 [ 507.021387] ? copy_msghdr_from_user+0x430/0x430 [ 507.029037] ? lock_downgrade+0x880/0x880 [ 507.033199] ? kasan_check_read+0x11/0x20 [ 507.040248] ? __fget+0x367/0x540 [ 507.046586] ? iterate_fd+0x360/0x360 [ 507.050396] ? find_held_lock+0x35/0x130 [ 507.057420] ? __fd_install+0x1bc/0x640 [ 507.061409] ? __fget_light+0x1a9/0x230 [ 507.069045] ? __fdget+0x1b/0x20 [ 507.072430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 507.080903] __sys_sendmsg+0x105/0x1d0 [ 507.087676] ? __ia32_sys_shutdown+0x80/0x80 [ 507.092106] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 507.099745] ? do_syscall_64+0x26/0x620 [ 507.106620] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 507.111991] ? do_syscall_64+0x26/0x620 [ 507.118922] __x64_sys_sendmsg+0x78/0xb0 [ 507.123000] do_syscall_64+0xfd/0x620 [ 507.129703] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 507.137812] RIP: 0033:0x413861 [ 507.141016] Code: 41 00 e9 70 ff ff ff 66 90 48 c7 03 80 3c 41 00 e9 62 ff ff ff 0f 1f 40 00 b8 18 fc ff ff e9 56 ff ff ff bf 97 30 44 00 b9 0d <00> 00 00 48 89 ee f3 a6 75 0c 48 c7 03 80 39 41 00 e9 37 ff ff ff [ 507.167596] RSP: 002b:00007f5c495309c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 507.176400] RAX: ffffffffffffffda RBX: 00007f5c49530a58 RCX: 0000000000413861 [ 507.188387] RDX: 0000000000000000 RSI: 00007f5c49530a00 RDI: 0000000000000005 [ 507.197552] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 507.209604] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f5c49530a40 [ 507.218014] R13: 00000000004d0e40 R14: 00000000004e0098 R15: 00000000ffffffff [ 507.230178] INFO: task syz-executor.1:7638 blocked for more than 140 seconds. [ 507.238500] Not tainted 4.19.79 #0 [ 507.242583] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 507.256460] syz-executor.1 D27912 7638 7539 0x00000004 [ 507.262129] Call Trace: [ 507.267656] __schedule+0x866/0x1dc0 [ 507.272436] ? __mutex_lock+0x721/0x1300 [ 507.279562] ? pci_mmcfg_check_reserved+0x170/0x170 [ 507.287610] ? kasan_check_read+0x11/0x20 [ 507.291792] schedule+0x92/0x1c0 [ 507.298085] schedule_preempt_disabled+0x13/0x20 [ 507.302854] __mutex_lock+0x726/0x1300 [ 507.310570] ? genl_rcv_msg+0x13e/0x170 [ 507.317458] ? mutex_trylock+0x1e0/0x1e0 [ 507.321534] ? __lock_acquire+0x6ee/0x49c0 [ 507.329589] ? __local_bh_enable_ip+0x15a/0x270 [ 507.337213] ? __dev_queue_xmit+0x892/0x2fe0 [ 507.341649] mutex_lock_nested+0x16/0x20 [ 507.348627] ? mutex_lock_nested+0x16/0x20 [ 507.352888] genl_rcv_msg+0x13e/0x170 [ 507.359673] netlink_rcv_skb+0x17d/0x460 [ 507.366667] ? genl_family_rcv_msg+0xd30/0xd30 [ 507.371270] ? netlink_ack+0xb30/0xb30 [ 507.378066] genl_rcv+0x29/0x40 [ 507.381359] netlink_unicast+0x537/0x720 [ 507.388381] ? netlink_attachskb+0x770/0x770 [ 507.392807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 507.401274] netlink_sendmsg+0x8ae/0xd70 [ 507.408396] ? netlink_unicast+0x720/0x720 [ 507.412670] ? selinux_socket_sendmsg+0x36/0x40 [ 507.420424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 507.428906] ? security_socket_sendmsg+0x8d/0xc0 [ 507.436656] ? netlink_unicast+0x720/0x720 [ 507.440933] sock_sendmsg+0xd7/0x130 [ 507.447755] ___sys_sendmsg+0x803/0x920 [ 507.451752] ? copy_msghdr_from_user+0x430/0x430 [ 507.460199] ? lock_downgrade+0x880/0x880 [ 507.467290] ? kasan_check_read+0x11/0x20 [ 507.471458] ? __fget+0x367/0x540 [ 507.477813] ? iterate_fd+0x360/0x360 [ 507.481630] ? find_held_lock+0x35/0x130 [ 507.488600] ? __fd_install+0x1bc/0x640 [ 507.492594] ? __fget_light+0x1a9/0x230 [ 507.499515] ? __fdget+0x1b/0x20 [ 507.502897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 507.511717] __sys_sendmsg+0x105/0x1d0 [ 507.518492] ? __ia32_sys_shutdown+0x80/0x80 [ 507.522958] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 507.530738] ? do_syscall_64+0x26/0x620 [ 507.537630] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 507.543009] ? do_syscall_64+0x26/0x620 [ 507.553233] __x64_sys_sendmsg+0x78/0xb0 [ 507.560248] do_syscall_64+0xfd/0x620 [ 507.566953] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 507.572238] RIP: 0033:0x413861 [ 507.578352] Code: 41 00 e9 70 ff ff ff 66 90 48 c7 03 80 3c 41 00 e9 62 ff ff ff 0f 1f 40 00 b8 18 fc ff ff e9 56 ff ff ff bf 97 30 44 00 b9 0d <00> 00 00 48 89 ee f3 a6 75 0c 48 c7 03 80 39 41 00 e9 37 ff ff ff [ 507.603977] RSP: 002b:00007f5c4950f9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 507.611801] RAX: ffffffffffffffda RBX: 00007f5c4950fa58 RCX: 0000000000413861 [ 507.624866] RDX: 0000000000000000 RSI: 00007f5c4950fa00 RDI: 0000000000000005 [ 507.632245] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 507.643435] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f5c4950fa40 [ 507.652736] R13: 00000000004d0e40 R14: 00000000004e0098 R15: 00000000ffffffff [ 507.665978] INFO: task syz-executor.3:7632 blocked for more than 140 seconds. [ 507.673265] Not tainted 4.19.79 #0 [ 507.680297] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 507.691155] syz-executor.3 D28664 7632 7533 0x00000004 [ 507.699686] Call Trace: [ 507.702302] __schedule+0x866/0x1dc0 [ 507.708990] ? __mutex_lock+0x721/0x1300 [ 507.713079] ? pci_mmcfg_check_reserved+0x170/0x170 [ 507.721096] ? kasan_check_read+0x11/0x20 [ 507.728156] schedule+0x92/0x1c0 [ 507.731539] schedule_preempt_disabled+0x13/0x20 [ 507.739976] __mutex_lock+0x726/0x1300 [ 507.746785] ? genl_rcv_msg+0x13e/0x170 [ 507.750780] ? mutex_trylock+0x1e0/0x1e0 [ 507.757736] ? __lock_acquire+0x6ee/0x49c0 [ 507.761989] ? __local_bh_enable_ip+0x15a/0x270 [ 507.769562] ? __dev_queue_xmit+0x892/0x2fe0 [ 507.776878] mutex_lock_nested+0x16/0x20 [ 507.780953] ? mutex_lock_nested+0x16/0x20 [ 507.788207] genl_rcv_msg+0x13e/0x170 [ 507.792032] netlink_rcv_skb+0x17d/0x460 [ 507.798995] ? genl_family_rcv_msg+0xd30/0xd30 [ 507.803590] ? netlink_ack+0xb30/0xb30 [ 507.810478] genl_rcv+0x29/0x40 [ 507.816665] netlink_unicast+0x537/0x720 [ 507.820743] ? netlink_attachskb+0x770/0x770 [ 507.828071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 507.833629] netlink_sendmsg+0x8ae/0xd70 [ 507.840614] ? netlink_unicast+0x720/0x720 [ 507.847742] ? selinux_socket_sendmsg+0x36/0x40 [ 507.852426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 507.860984] ? security_socket_sendmsg+0x8d/0xc0 [ 507.869458] ? netlink_unicast+0x720/0x720 [ 507.876680] sock_sendmsg+0xd7/0x130 [ 507.880409] ___sys_sendmsg+0x803/0x920 [ 507.887408] ? copy_msghdr_from_user+0x430/0x430 [ 507.892184] ? lock_downgrade+0x880/0x880 [ 507.899278] ? kasan_check_read+0x11/0x20 [ 507.903455] ? __fget+0x367/0x540 [ 507.909831] ? iterate_fd+0x360/0x360 [ 507.913662] ? find_held_lock+0x35/0x130 [ 507.920762] ? __fd_install+0x1bc/0x640 [ 507.927672] ? __fget_light+0x1a9/0x230 [ 507.931669] ? __fdget+0x1b/0x20 [ 507.938295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 507.947728] __sys_sendmsg+0x105/0x1d0 [ 507.951811] ? __ia32_sys_shutdown+0x80/0x80 [ 507.959207] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 507.966921] ? do_syscall_64+0x26/0x620 [ 507.970913] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 507.979284] ? do_syscall_64+0x26/0x620 [ 507.983285] __x64_sys_sendmsg+0x78/0xb0 [ 507.990273] do_syscall_64+0xfd/0x620 [ 507.997808] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 508.003036] RIP: 0033:0x413861 [ 508.009128] Code: 41 00 e9 70 ff ff ff 66 90 48 c7 03 80 3c 41 00 e9 62 ff ff ff 0f 1f 40 00 b8 18 fc ff ff e9 56 ff ff ff bf 97 30 44 00 b9 0d <00> 00 00 48 89 ee f3 a6 75 0c 48 c7 03 80 39 41 00 e9 37 ff ff ff [ 508.035836] RSP: 002b:00007f45388f39c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 508.043583] RAX: ffffffffffffffda RBX: 00007f45388f3a58 RCX: 0000000000413861 [ 508.056719] RDX: 0000000000000000 RSI: 00007f45388f3a00 RDI: 0000000000000005 [ 508.066798] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 508.077916] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f45388f3a40 [ 508.087270] R13: 00000000004d0e40 R14: 00000000004e0098 R15: 00000000ffffffff [ 508.098854] INFO: task syz-executor.3:7637 blocked for more than 140 seconds. [ 508.108350] Not tainted 4.19.79 #0 [ 508.112425] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 508.127024] syz-executor.3 D27912 7637 7533 0x00000004 [ 508.132681] Call Trace: [ 508.138204] __schedule+0x866/0x1dc0 [ 508.141936] ? __mutex_lock+0x721/0x1300 [ 508.149148] ? pci_mmcfg_check_reserved+0x170/0x170 [ 508.157095] ? kasan_check_read+0x11/0x20 [ 508.161265] schedule+0x92/0x1c0 [ 508.167538] schedule_preempt_disabled+0x13/0x20 [ 508.172308] __mutex_lock+0x726/0x1300 [ 508.179212] ? genl_rcv_msg+0x13e/0x170 [ 508.183206] ? mutex_trylock+0x1e0/0x1e0 [ 508.193771] ? __lock_acquire+0x6ee/0x49c0 [ 508.198037] ? __local_bh_enable_ip+0x15a/0x270 [ 508.202708] ? __dev_queue_xmit+0x892/0x2fe0 [ 508.212277] mutex_lock_nested+0x16/0x20 [ 508.216659] ? mutex_lock_nested+0x16/0x20 [ 508.220898] genl_rcv_msg+0x13e/0x170 [ 508.231128] netlink_rcv_skb+0x17d/0x460 [ 508.235481] ? genl_family_rcv_msg+0xd30/0xd30 [ 508.240070] ? netlink_ack+0xb30/0xb30 [ 508.250002] genl_rcv+0x29/0x40 [ 508.253321] netlink_unicast+0x537/0x720 [ 508.258525] ? netlink_attachskb+0x770/0x770 [ 508.262981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 508.274415] netlink_sendmsg+0x8ae/0xd70 [ 508.278633] ? netlink_unicast+0x720/0x720 [ 508.282891] ? selinux_socket_sendmsg+0x36/0x40 [ 508.292718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 508.299651] ? security_socket_sendmsg+0x8d/0xc0 [ 508.309508] ? netlink_unicast+0x720/0x720 [ 508.314960] sock_sendmsg+0xd7/0x130 [ 508.318689] ___sys_sendmsg+0x803/0x920 [ 508.322669] ? copy_msghdr_from_user+0x430/0x430 [ 508.332496] ? lock_downgrade+0x880/0x880 [ 508.337935] ? kasan_check_read+0x11/0x20 [ 508.342097] ? __fget+0x367/0x540 [ 508.351719] ? iterate_fd+0x360/0x360 [ 508.356732] ? find_held_lock+0x35/0x130 [ 508.360804] ? __fd_install+0x1bc/0x640 [ 508.369720] ? __fget_light+0x1a9/0x230 [ 508.374954] ? __fdget+0x1b/0x20 [ 508.378331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 508.389499] __sys_sendmsg+0x105/0x1d0 [ 508.393398] ? __ia32_sys_shutdown+0x80/0x80 [ 508.399015] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 508.408637] ? do_syscall_64+0x26/0x620 [ 508.412624] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 508.419210] ? do_syscall_64+0x26/0x620 [ 508.423206] __x64_sys_sendmsg+0x78/0xb0 [ 508.432142] do_syscall_64+0xfd/0x620 [ 508.437183] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 508.442392] RIP: 0033:0x413861 [ 508.450631] Code: 41 00 e9 70 ff ff ff 66 90 48 c7 03 80 3c 41 00 e9 62 ff ff ff 0f 1f 40 00 b8 18 fc ff ff e9 56 ff ff ff bf 97 30 44 00 b9 0d <00> 00 00 48 89 ee f3 a6 75 0c 48 c7 03 80 39 41 00 e9 37 ff ff ff [ 508.475696] RSP: 002b:00007f45388d29c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 508.483435] RAX: ffffffffffffffda RBX: 00007f45388d2a58 RCX: 0000000000413861 [ 508.496421] RDX: 0000000000000000 RSI: 00007f45388d2a00 RDI: 0000000000000005 [ 508.506548] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 508.517656] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f45388d2a40 [ 508.527886] R13: 00000000004d0e40 R14: 00000000004e0098 R15: 00000000ffffffff [ 508.538087] INFO: task syz-executor.0:7634 blocked for more than 140 seconds. [ 508.548253] Not tainted 4.19.79 #0 [ 508.552315] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 508.566486] syz-executor.0 D28664 7634 7536 0x00000004 [ 508.572147] Call Trace: [ 508.577735] __schedule+0x866/0x1dc0 [ 508.581546] ? __mutex_lock+0x721/0x1300 [ 508.588615] ? pci_mmcfg_check_reserved+0x170/0x170 [ 508.593650] ? kasan_check_read+0x11/0x20 [ 508.600734] schedule+0x92/0x1c0 [ 508.607005] schedule_preempt_disabled+0x13/0x20 [ 508.611768] __mutex_lock+0x726/0x1300 [ 508.618608] ? genl_rcv_msg+0x13e/0x170 [ 508.622606] ? mutex_trylock+0x1e0/0x1e0 [ 508.629556] ? __lock_acquire+0x6ee/0x49c0 [ 508.636713] ? __local_bh_enable_ip+0x15a/0x270 [ 508.641415] ? __dev_queue_xmit+0x892/0x2fe0 [ 508.649537] mutex_lock_nested+0x16/0x20 [ 508.656674] ? mutex_lock_nested+0x16/0x20 [ 508.660920] genl_rcv_msg+0x13e/0x170 [ 508.667627] netlink_rcv_skb+0x17d/0x460 [ 508.671707] ? genl_family_rcv_msg+0xd30/0xd30 [ 508.679179] ? netlink_ack+0xb30/0xb30 [ 508.683095] genl_rcv+0x29/0x40 [ 508.689330] netlink_unicast+0x537/0x720 [ 508.693401] ? netlink_attachskb+0x770/0x770 [ 508.700746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 508.709178] netlink_sendmsg+0x8ae/0xd70 [ 508.713262] ? netlink_unicast+0x720/0x720 [ 508.720592] ? selinux_socket_sendmsg+0x36/0x40 [ 508.728232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 508.736800] ? security_socket_sendmsg+0x8d/0xc0 [ 508.741579] ? netlink_unicast+0x720/0x720 [ 508.748823] sock_sendmsg+0xd7/0x130 [ 508.752553] ___sys_sendmsg+0x803/0x920 [ 508.759414] ? copy_msghdr_from_user+0x430/0x430 [ 508.768113] ? lock_downgrade+0x880/0x880 [ 508.772278] ? kasan_check_read+0x11/0x20 [ 508.780094] ? __fget+0x367/0x540 [ 508.783566] ? iterate_fd+0x360/0x360 [ 508.790261] ? find_held_lock+0x35/0x130 [ 508.797283] ? __fd_install+0x1bc/0x640 [ 508.801277] ? __fget_light+0x1a9/0x230 [ 508.808192] ? __fdget+0x1b/0x20 [ 508.811568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 508.819971] __sys_sendmsg+0x105/0x1d0 [ 508.826931] ? __ia32_sys_shutdown+0x80/0x80 [ 508.831365] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 508.839000] ? do_syscall_64+0x26/0x620 [ 508.842983] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 508.851236] ? do_syscall_64+0x26/0x620 [ 508.858095] __x64_sys_sendmsg+0x78/0xb0 [ 508.862166] do_syscall_64+0xfd/0x620 [ 508.868847] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 508.876908] RIP: 0033:0x413861 [ 508.880109] Code: 41 00 e9 70 ff ff ff 66 90 48 c7 03 80 3c 41 00 e9 62 ff ff ff 0f 1f 40 00 b8 18 fc ff ff e9 56 ff ff ff bf 97 30 44 00 b9 0d <00> 00 00 48 89 ee f3 a6 75 0c 48 c7 03 80 39 41 00 e9 37 ff ff ff [ 508.905625] RSP: 002b:00007f3046e239c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 508.913359] RAX: ffffffffffffffda RBX: 00007f3046e23a58 RCX: 0000000000413861 [ 508.926335] RDX: 0000000000000000 RSI: 00007f3046e23a00 RDI: 0000000000000005 [ 508.933645] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 508.946813] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3046e23a40 [ 508.956079] R13: 00000000004d0e40 R14: 00000000004e0098 R15: 00000000ffffffff [ 508.963385] INFO: task syz-executor.0:7639 blocked for more than 140 seconds. [ 508.976620] Not tainted 4.19.79 #0 [ 508.981394] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 508.992324] syz-executor.0 D27912 7639 7536 0x00000004 [ 509.001765] Call Trace: [ 509.006349] __schedule+0x866/0x1dc0 [ 509.011200] ? __mutex_lock+0x721/0x1300 [ 509.019164] ? pci_mmcfg_check_reserved+0x170/0x170 [ 509.026157] ? kasan_check_read+0x11/0x20 [ 509.030329] schedule+0x92/0x1c0 [ 509.038270] schedule_preempt_disabled+0x13/0x20 [ 509.043043] __mutex_lock+0x726/0x1300 [ 509.048914] ? genl_rcv_msg+0x13e/0x170 [ 509.052915] ? mutex_trylock+0x1e0/0x1e0 [ 509.060795] ? __lock_acquire+0x6ee/0x49c0 [ 509.068864] ? __local_bh_enable_ip+0x15a/0x270 [ 509.073557] ? __dev_queue_xmit+0x892/0x2fe0 [ 509.081829] mutex_lock_nested+0x16/0x20 [ 509.087896] ? mutex_lock_nested+0x16/0x20 [ 509.093355] genl_rcv_msg+0x13e/0x170 [ 509.100984] netlink_rcv_skb+0x17d/0x460 [ 509.107019] ? genl_family_rcv_msg+0xd30/0xd30 [ 509.111613] ? netlink_ack+0xb30/0xb30 [ 509.119392] genl_rcv+0x29/0x40 [ 509.122684] netlink_unicast+0x537/0x720 [ 509.128785] ? netlink_attachskb+0x770/0x770 [ 509.133214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 509.143511] netlink_sendmsg+0x8ae/0xd70 [ 509.149523] ? netlink_unicast+0x720/0x720 [ 509.157709] ? selinux_socket_sendmsg+0x36/0x40 [ 509.162403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 509.170765] ? security_socket_sendmsg+0x8d/0xc0 [ 509.179816] ? netlink_unicast+0x720/0x720 [ 509.186122] sock_sendmsg+0xd7/0x130 [ 509.189847] ___sys_sendmsg+0x803/0x920 [ 509.197628] ? copy_msghdr_from_user+0x430/0x430 [ 509.202489] ? lock_downgrade+0x880/0x880 [ 509.208598] ? kasan_check_read+0x11/0x20 [ 509.212763] ? __fget+0x367/0x540 [ 509.220039] ? iterate_fd+0x360/0x360 [ 509.227753] ? find_held_lock+0x35/0x130 [ 509.231834] ? __fd_install+0x1bc/0x640 [ 509.239684] ? __fget_light+0x1a9/0x230 [ 509.243675] ? __fdget+0x1b/0x20 [ 509.249182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 509.259755] __sys_sendmsg+0x105/0x1d0 [ 509.263675] ? __ia32_sys_shutdown+0x80/0x80 [ 509.270116] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 509.278735] ? do_syscall_64+0x26/0x620 [ 509.282745] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 509.290155] ? do_syscall_64+0x26/0x620 [ 509.298772] __x64_sys_sendmsg+0x78/0xb0 [ 509.302850] do_syscall_64+0xfd/0x620 [ 509.308641] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 509.317699] RIP: 0033:0x413861 [ 509.320910] Code: 41 00 e9 70 ff ff ff 66 90 48 c7 03 80 3c 41 00 e9 62 ff ff ff 0f 1f 40 00 b8 18 fc ff ff e9 56 ff ff ff bf 97 30 44 00 b9 0d <00> 00 00 48 89 ee f3 a6 75 0c 48 c7 03 80 39 41 00 e9 37 ff ff ff [ 509.347781] RSP: 002b:00007f3046e029c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 509.356628] RAX: ffffffffffffffda RBX: 00007f3046e02a58 RCX: 0000000000413861 [ 509.368770] RDX: 0000000000000000 RSI: 00007f3046e02a00 RDI: 0000000000000005 [ 509.377108] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 509.390209] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3046e02a40 [ 509.398702] R13: 00000000004d0e40 R14: 00000000004e0098 R15: 00000000ffffffff [ 509.410779] [ 509.410779] Showing all locks held in the system: [ 509.418202] 1 lock held by khungtaskd/1039: [ 509.422623] #0: 000000004b9e69d4 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 509.437786] 1 lock held by rsyslogd/7358: [ 509.441945] #0: 00000000710b8cd0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 509.451948] 2 locks held by getty/7481: [ 509.459719] #0: 000000002f15af9e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 509.470038] #1: 000000002c537564 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 509.482876] 2 locks held by getty/7482: [ 509.488805] #0: 0000000082c7949b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 509.500948] #1: 000000000c6f408c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 509.511810] 2 locks held by getty/7483: [ 509.519548] #0: 00000000ca61bf25 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 509.529941] #1: 000000004b491c2f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 509.542623] 2 locks held by getty/7484: [ 509.549180] #0: 000000004a50d0d9 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 509.561329] #1: 0000000012da205c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 509.572972] 2 locks held by getty/7485: [ 509.580903] #0: 00000000d2ecba4b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 509.591147] #1: 000000007aae93f1 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 509.605859] 2 locks held by getty/7486: [ 509.609839] #0: 00000000ee4c6c0a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 509.620979] #1: 00000000ee7e121c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 509.632739] 2 locks held by getty/7487: [ 509.639633] #0: 00000000228c181e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 509.650821] #1: 0000000069f27e43 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 509.662627] 4 locks held by syz-executor.2/7620: [ 509.670360] 2 locks held by syz-executor.5/7624: [ 509.677984] #0: 00000000109e22c2 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 509.688178] #1: 000000006bbeb421 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 [ 509.699840] 2 locks held by syz-executor.5/7635: [ 509.707506] #0: 00000000109e22c2 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 509.717363] #1: 000000006bbeb421 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 [ 509.727997] 2 locks held by syz-executor.4/7630: [ 509.732753] #0: 00000000109e22c2 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 509.742735] #1: 000000006bbeb421 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 [ 509.753376] 2 locks held by syz-executor.4/7636: [ 509.761035] #0: 00000000109e22c2 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 509.770889] #1: 000000006bbeb421 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 [ 509.781607] 2 locks held by syz-executor.1/7629: [ 509.789691] #0: 00000000109e22c2 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 509.799701] #1: 000000006bbeb421 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 [ 509.810342] 2 locks held by syz-executor.1/7638: [ 509.817963] #0: 00000000109e22c2 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 509.828776] #1: 000000006bbeb421 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 [ 509.840172] 2 locks held by syz-executor.3/7632: [ 509.847786] #0: 00000000109e22c2 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 509.857606] #1: 000000006bbeb421 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 [ 509.868435] 2 locks held by syz-executor.3/7637: [ 509.873197] #0: 00000000109e22c2 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 509.883056] #1: 000000006bbeb421 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 [ 509.896539] 2 locks held by syz-executor.0/7634: [ 509.901301] #0: 00000000109e22c2 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 509.910261] #1: 000000006bbeb421 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 [ 509.921860] 2 locks held by syz-executor.0/7639: [ 509.928590] #0: 00000000109e22c2 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 509.939448] #1: 000000006bbeb421 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x170 [ 509.949186] [ 509.950819] ============================================= [ 509.950819] [ 509.962429] NMI backtrace for cpu 0 [ 509.966135] CPU: 0 PID: 1039 Comm: khungtaskd Not tainted 4.19.79 #0 [ 509.972620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 509.982156] Call Trace: [ 509.984819] dump_stack+0x172/0x1f0 [ 509.988457] nmi_cpu_backtrace.cold+0x63/0xa4 [ 509.993003] ? lapic_can_unplug_cpu.cold+0x47/0x47 [ 509.997937] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 510.003216] arch_trigger_cpumask_backtrace+0x14/0x20 [ 510.008406] watchdog+0x9df/0xee0 [ 510.011920] kthread+0x354/0x420 [ 510.015286] ? reset_hung_task_detector+0x30/0x30 [ 510.020132] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 510.025672] ret_from_fork+0x24/0x30 [ 510.029533] Sending NMI from CPU 0 to CPUs 1: [ 510.035495] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.227 msecs [ 510.036068] NMI backtrace for cpu 1 [ 510.036075] CPU: 1 PID: 7620 Comm: syz-executor.2 Not tainted 4.19.79 #0 [ 510.036081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 510.036085] RIP: 0010:__lock_acquire+0xa74/0x49c0 [ 510.036096] Code: 44 8b 3d 4f 52 f4 08 45 85 ff 0f 85 0b f7 ff ff 48 c7 c6 e0 79 4b 87 48 c7 c7 80 73 4b 87 e8 c1 98 ec ff 0f 0b e9 f4 f6 ff ff <41> 81 fb ff 1f 00 00 0f 87 cd 08 00 00 49 8d 86 70 08 00 00 48 89 [ 510.036101] RSP: 0018:ffff8880898d6af0 EFLAGS: 00000046 [ 510.036109] RAX: 0000000000000003 RBX: 000000000000002b RCX: 1ffff1101517a94b [ 510.036114] RDX: 0000000000000004 RSI: ffff8880a8bd4a38 RDI: ffffffff89e9fc10 [ 510.036119] RBP: ffff8880898d6cb8 R08: 0000000000000000 R09: 0000000000000003 [ 510.036125] R10: ffff8880a8bd4a38 R11: 000000000000002b R12: 0000000000000000 [ 510.036130] R13: 000000000002002b R14: ffff8880a8bd4140 R15: 0000000000000000 [ 510.036135] FS: 00007f0f0ba6d700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 510.036140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 510.036145] CR2: ffffffffff600400 CR3: 00000000a944b000 CR4: 00000000001406e0 [ 510.036150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 510.036156] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 510.036159] Call Trace: [ 510.036163] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 510.036167] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 510.036170] ? lockdep_hardirqs_on+0x415/0x5d0 [ 510.036174] ? retint_kernel+0x2d/0x2d [ 510.036178] ? trace_hardirqs_on_caller+0x6a/0x220 [ 510.036182] ? mark_held_locks+0x100/0x100 [ 510.036185] ? mark_held_locks+0xb1/0x100 [ 510.036190] ? trace_hardirqs_on_caller+0x6a/0x220 [ 510.036194] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 510.036197] ? tipc_sk_lookup+0x1c1/0xbc0 [ 510.036201] ? find_held_lock+0x35/0x130 [ 510.036205] ? tipc_sk_lookup+0x1c1/0xbc0 [ 510.036208] lock_acquire+0x16f/0x3f0 [ 510.036212] ? tipc_sk_lookup+0x249/0xbc0 [ 510.036216] tipc_sk_lookup+0x286/0xbc0 [ 510.036219] ? tipc_sk_lookup+0x249/0xbc0 [ 510.036223] ? validate_nla+0x32f/0x810 [ 510.036227] ? validate_nla+0x32f/0x810 [ 510.036231] ? __tipc_nl_add_sk+0x400/0x400 [ 510.036235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 510.036238] ? nla_parse+0x1fc/0x2f0 [ 510.036242] tipc_nl_publ_dump+0x1fb/0xd63 [ 510.036246] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 510.036250] ? lockdep_hardirqs_on+0x415/0x5d0 [ 510.036254] ? trace_hardirqs_on_caller+0x6a/0x220 [ 510.036258] ? tipc_nl_sk_dump+0x30/0x30 [ 510.036262] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 510.036267] ? __tipc_nl_compat_dumpit.isra.0+0x242/0x950 [ 510.036271] __tipc_nl_compat_dumpit.isra.0+0x21a/0x950 [ 510.036275] ? kasan_unpoison_shadow+0x35/0x50 [ 510.036278] ? kasan_kmalloc+0xce/0xf0 [ 510.036283] ? __tipc_add_link_prop.isra.0+0x210/0x210 [ 510.036287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 510.036291] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 510.036294] ? __nla_put+0x37/0x40 [ 510.036298] ? nla_put+0x116/0x150 [ 510.036302] tipc_nl_compat_sk_dump+0x6c2/0x950 [ 510.036306] ? __tipc_nl_compat_dumpit.isra.0+0x950/0x950 [ 510.036315] ? rhashtable_walk_stop+0x14c/0x370 [ 510.036319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 510.036323] ? tipc_nl_sk_dump+0x30/0x30 [ 510.036327] ? tipc_tlv_sprintf+0x300/0x300 [ 510.036331] ? lock_downgrade+0x880/0x880 [ 510.036335] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 510.036339] __tipc_nl_compat_dumpit.isra.0+0x320/0x950 [ 510.036344] ? kasan_unpoison_shadow+0x35/0x50 [ 510.036348] ? __tipc_add_link_prop.isra.0+0x210/0x210 [ 510.036352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 510.036356] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 510.036360] ? skb_put+0x183/0x1e0 [ 510.036364] tipc_nl_compat_dumpit+0x24c/0x510 [ 510.036367] tipc_nl_compat_recv+0x5a6/0xaf0 [ 510.036371] ? tipc_nl_compat_doit+0x5e0/0x5e0 [ 510.036375] ? __lock_is_held+0xb6/0x140 [ 510.036379] ? tipc_dump_start+0x90/0x90 [ 510.036383] ? __tipc_nl_compat_dumpit.isra.0+0x950/0x950 [ 510.036387] ? genl_rcv_msg+0x13e/0x170 [ 510.036391] genl_family_rcv_msg+0x6db/0xd30 [ 510.036395] ? genl_unregister_family+0x790/0x790 [ 510.036399] ? __local_bh_enable_ip+0x15a/0x270 [ 510.036403] ? __dev_queue_xmit+0x892/0x2fe0 [ 510.036407] genl_rcv_msg+0xca/0x170 [ 510.036410] netlink_rcv_skb+0x17d/0x460 [ 510.036414] ? genl_family_rcv_msg+0xd30/0xd30 [ 510.036418] ? netlink_ack+0xb30/0xb30 [ 510.036421] genl_rcv+0x29/0x40 [ 510.036425] netlink_unicast+0x537/0x720 [ 510.036428] ? netlink_attachskb+0x770/0x770 [ 510.036433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 510.036437] netlink_sendmsg+0x8ae/0xd70 [ 510.036440] ? netlink_unicast+0x720/0x720 [ 510.036444] ? selinux_socket_sendmsg+0x36/0x40 [ 510.036449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 510.036453] ? security_socket_sendmsg+0x8d/0xc0 [ 510.036457] ? netlink_unicast+0x720/0x720 [ 510.036460] sock_sendmsg+0xd7/0x130 [ 510.036464] ___sys_sendmsg+0x803/0x920 [ 510.036468] ? copy_msghdr_from_user+0x430/0x430 [ 510.036472] ? lock_downgrade+0x880/0x880 [ 510.036476] ? kasan_check_read+0x11/0x20 [ 510.036479] ? __fget+0x367/0x540 [ 510.036482] ? iterate_fd+0x360/0x360 [ 510.036486] ? lock_downgrade+0x880/0x880 [ 510.036490] ? __fget_light+0x1a9/0x230 [ 510.036493] ? __fdget+0x1b/0x20 [ 510.036498] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 510.036501] __sys_sendmsg+0x105/0x1d0 [ 510.036505] ? __ia32_sys_shutdown+0x80/0x80 [ 510.036509] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 510.036513] ? do_syscall_64+0x26/0x620 [ 510.036517] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 510.036520] ? do_syscall_64+0x26/0x620 [ 510.036524] __x64_sys_sendmsg+0x78/0xb0 [ 510.036528] do_syscall_64+0xfd/0x620 [ 510.036532] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 510.036535] RIP: 0033:0x459a59 [ 510.036546] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 510.036550] RSP: 002b:00007f0f0ba6cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 510.036559] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a59 [ 510.036564] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 [ 510.036569] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 510.036575] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0f0ba6d6d4 [ 510.036581] R13: 00000000004cf018 R14: 00000000004dd5d8 R15: 00000000ffffffff [ 510.043971] Kernel panic - not syncing: hung_task: blocked tasks [ 510.673388] CPU: 0 PID: 1039 Comm: khungtaskd Not tainted 4.19.79 #0 [ 510.679879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 510.689226] Call Trace: [ 510.691821] dump_stack+0x172/0x1f0 [ 510.695456] panic+0x263/0x507 [ 510.698672] ? __warn_printk+0xf3/0xf3 [ 510.702559] ? lapic_can_unplug_cpu.cold+0x47/0x47 [ 510.707493] ? ___preempt_schedule+0x16/0x18 [ 510.711906] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 510.717357] ? nmi_trigger_cpumask_backtrace+0x1c1/0x1f8 [ 510.722806] ? nmi_trigger_cpumask_backtrace+0x1cb/0x1f8 [ 510.728260] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 510.733715] watchdog+0x9f0/0xee0 [ 510.737181] kthread+0x354/0x420 [ 510.740552] ? reset_hung_task_detector+0x30/0x30 [ 510.745399] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 510.750939] ret_from_fork+0x24/0x30 [ 510.756070] Kernel Offset: disabled [ 510.759704] Rebooting in 86400 seconds..