[ 36.228233] audit: type=1800 audit(1551565671.367:26): pid=7537 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 36.259910] audit: type=1800 audit(1551565671.367:27): pid=7537 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 36.289546] audit: type=1800 audit(1551565671.367:28): pid=7537 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 36.989357] audit: type=1800 audit(1551565672.147:29): pid=7537 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts. 2019/03/02 22:40:48 parsed 1 programs 2019/03/02 22:40:51 executed programs: 0 syzkaller login: [ 816.339449] IPVS: ftp: loaded support on port[0] = 21 [ 816.355105] IPVS: ftp: loaded support on port[0] = 21 [ 816.365160] IPVS: ftp: loaded support on port[0] = 21 [ 816.374663] IPVS: ftp: loaded support on port[0] = 21 [ 816.398496] IPVS: ftp: loaded support on port[0] = 21 [ 816.414385] IPVS: ftp: loaded support on port[0] = 21 [ 816.673194] chnl_net:caif_netlink_parms(): no params data found [ 816.701996] chnl_net:caif_netlink_parms(): no params data found [ 816.747626] chnl_net:caif_netlink_parms(): no params data found [ 816.835074] bridge0: port 1(bridge_slave_0) entered blocking state [ 816.842188] bridge0: port 1(bridge_slave_0) entered disabled state [ 816.849120] device bridge_slave_0 entered promiscuous mode [ 816.858974] bridge0: port 2(bridge_slave_1) entered blocking state [ 816.865383] bridge0: port 2(bridge_slave_1) entered disabled state [ 816.872831] device bridge_slave_1 entered promiscuous mode [ 816.927740] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 816.940369] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 816.948115] bridge0: port 1(bridge_slave_0) entered blocking state [ 816.954973] bridge0: port 1(bridge_slave_0) entered disabled state [ 816.962123] device bridge_slave_0 entered promiscuous mode [ 816.968614] chnl_net:caif_netlink_parms(): no params data found [ 816.978009] chnl_net:caif_netlink_parms(): no params data found [ 816.986045] chnl_net:caif_netlink_parms(): no params data found [ 817.013471] bridge0: port 2(bridge_slave_1) entered blocking state [ 817.019828] bridge0: port 2(bridge_slave_1) entered disabled state [ 817.029646] device bridge_slave_1 entered promiscuous mode [ 817.062450] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 817.113930] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 817.124015] team0: Port device team_slave_0 added [ 817.135967] bridge0: port 1(bridge_slave_0) entered blocking state [ 817.142869] bridge0: port 1(bridge_slave_0) entered disabled state [ 817.149705] device bridge_slave_0 entered promiscuous mode [ 817.160345] bridge0: port 2(bridge_slave_1) entered blocking state [ 817.166743] bridge0: port 2(bridge_slave_1) entered disabled state [ 817.175154] device bridge_slave_1 entered promiscuous mode [ 817.185740] bridge0: port 1(bridge_slave_0) entered blocking state [ 817.192439] bridge0: port 1(bridge_slave_0) entered disabled state [ 817.199301] device bridge_slave_0 entered promiscuous mode [ 817.214036] team0: Port device team_slave_1 added [ 817.220114] team0: Port device team_slave_0 added [ 817.231475] team0: Port device team_slave_1 added [ 817.254565] bridge0: port 2(bridge_slave_1) entered blocking state [ 817.262036] bridge0: port 2(bridge_slave_1) entered disabled state [ 817.268843] device bridge_slave_1 entered promiscuous mode [ 817.293727] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 817.321095] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 817.328753] bridge0: port 1(bridge_slave_0) entered blocking state [ 817.335538] bridge0: port 1(bridge_slave_0) entered disabled state [ 817.343007] device bridge_slave_0 entered promiscuous mode [ 817.355443] bridge0: port 2(bridge_slave_1) entered blocking state [ 817.362008] bridge0: port 2(bridge_slave_1) entered disabled state [ 817.369190] device bridge_slave_1 entered promiscuous mode [ 817.385819] bridge0: port 1(bridge_slave_0) entered blocking state [ 817.392263] bridge0: port 1(bridge_slave_0) entered disabled state [ 817.399418] device bridge_slave_0 entered promiscuous mode [ 817.420273] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 817.462678] device hsr_slave_0 entered promiscuous mode [ 817.511329] device hsr_slave_1 entered promiscuous mode [ 817.571369] bridge0: port 2(bridge_slave_1) entered blocking state [ 817.577756] bridge0: port 2(bridge_slave_1) entered disabled state [ 817.585423] device bridge_slave_1 entered promiscuous mode [ 817.632570] device hsr_slave_0 entered promiscuous mode [ 817.671122] device hsr_slave_1 entered promiscuous mode [ 817.732301] team0: Port device team_slave_0 added [ 817.738740] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 817.772218] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 817.780676] team0: Port device team_slave_1 added [ 817.806982] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 817.822229] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 817.834023] team0: Port device team_slave_0 added [ 817.873730] device hsr_slave_0 entered promiscuous mode [ 817.941027] device hsr_slave_1 entered promiscuous mode [ 817.993067] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 818.002352] team0: Port device team_slave_1 added [ 818.041016] team0: Port device team_slave_0 added [ 818.053863] team0: Port device team_slave_0 added [ 818.066444] team0: Port device team_slave_1 added [ 818.094307] team0: Port device team_slave_1 added [ 818.133690] device hsr_slave_0 entered promiscuous mode [ 818.181142] device hsr_slave_1 entered promiscuous mode [ 818.303639] device hsr_slave_0 entered promiscuous mode [ 818.351288] device hsr_slave_1 entered promiscuous mode [ 818.465526] device hsr_slave_0 entered promiscuous mode [ 818.521195] device hsr_slave_1 entered promiscuous mode [ 818.640238] 8021q: adding VLAN 0 to HW filter on device bond0 [ 818.666548] 8021q: adding VLAN 0 to HW filter on device bond0 [ 818.690621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 818.698842] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 818.725427] 8021q: adding VLAN 0 to HW filter on device team0 [ 818.743459] 8021q: adding VLAN 0 to HW filter on device team0 [ 818.758709] 8021q: adding VLAN 0 to HW filter on device bond0 [ 818.765197] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 818.772366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 818.800463] 8021q: adding VLAN 0 to HW filter on device bond0 [ 818.811784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 818.819951] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 818.828011] bridge0: port 1(bridge_slave_0) entered blocking state [ 818.834520] bridge0: port 1(bridge_slave_0) entered forwarding state [ 818.843039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 818.851050] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 818.858552] bridge0: port 2(bridge_slave_1) entered blocking state [ 818.864918] bridge0: port 2(bridge_slave_1) entered forwarding state [ 818.872877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 818.880588] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 818.888243] bridge0: port 1(bridge_slave_0) entered blocking state [ 818.894771] bridge0: port 1(bridge_slave_0) entered forwarding state [ 818.902724] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 818.910099] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 818.938943] 8021q: adding VLAN 0 to HW filter on device team0 [ 818.950512] 8021q: adding VLAN 0 to HW filter on device team0 [ 818.962111] 8021q: adding VLAN 0 to HW filter on device bond0 [ 818.968731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 818.978432] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 818.986436] bridge0: port 2(bridge_slave_1) entered blocking state [ 818.992826] bridge0: port 2(bridge_slave_1) entered forwarding state [ 818.999782] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 819.008022] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 819.015853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 819.023817] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 819.031581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 819.038418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 819.045521] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 819.052484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 819.060275] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 819.086060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 819.093932] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 819.102400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 819.109804] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 819.117709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 819.125865] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 819.133542] bridge0: port 1(bridge_slave_0) entered blocking state [ 819.139876] bridge0: port 1(bridge_slave_0) entered forwarding state [ 819.146886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 819.154588] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 819.162720] bridge0: port 2(bridge_slave_1) entered blocking state [ 819.169057] bridge0: port 2(bridge_slave_1) entered forwarding state [ 819.175922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 819.183856] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 819.196901] 8021q: adding VLAN 0 to HW filter on device bond0 [ 819.207824] 8021q: adding VLAN 0 to HW filter on device team0 [ 819.221398] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 819.228344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 819.236467] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 819.244294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 819.253314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 819.261192] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 819.268726] bridge0: port 1(bridge_slave_0) entered blocking state [ 819.275123] bridge0: port 1(bridge_slave_0) entered forwarding state [ 819.282308] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 819.289963] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 819.297921] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 819.305695] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 819.313956] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 819.321209] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 819.343835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 819.351905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 819.359537] bridge0: port 1(bridge_slave_0) entered blocking state [ 819.365920] bridge0: port 1(bridge_slave_0) entered forwarding state [ 819.373000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 819.380976] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 819.388521] bridge0: port 2(bridge_slave_1) entered blocking state [ 819.394892] bridge0: port 2(bridge_slave_1) entered forwarding state [ 819.404696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 819.412894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 819.421551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 819.440541] 8021q: adding VLAN 0 to HW filter on device team0 [ 819.449920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 819.474558] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 819.482796] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 819.490365] bridge0: port 2(bridge_slave_1) entered blocking state [ 819.496752] bridge0: port 2(bridge_slave_1) entered forwarding state [ 819.504476] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 819.512237] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 819.519702] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 819.526783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 819.533774] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 819.541399] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 819.548724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 819.556817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 819.565487] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 819.573130] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 819.580695] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 819.588399] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 819.596022] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 819.619269] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 819.626655] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 819.634530] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 819.642698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 819.650455] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 819.658186] bridge0: port 1(bridge_slave_0) entered blocking state [ 819.664581] bridge0: port 1(bridge_slave_0) entered forwarding state [ 819.671531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 819.679142] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 819.686800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 819.695636] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 819.703312] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 819.711152] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 819.718650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 819.726604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 819.734122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 819.741864] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 819.749606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 819.756886] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 819.764314] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 819.773929] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 819.784287] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 819.795236] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 819.806167] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 819.815351] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 819.823346] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 819.841026] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 819.848873] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 819.857369] bridge0: port 2(bridge_slave_1) entered blocking state [ 819.863768] bridge0: port 2(bridge_slave_1) entered forwarding state [ 819.870531] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 819.878561] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 819.886612] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 819.894442] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 819.911353] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 819.921751] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 819.951219] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 819.958437] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 819.967277] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 819.981912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 819.989732] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 819.997619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 820.005293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 820.012802] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 820.020187] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 820.027742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 820.035442] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 820.043192] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 820.050638] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 820.058730] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 820.068352] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 820.079808] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 820.091240] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 820.099751] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 820.111975] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 820.119838] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 820.178831] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 820.207594] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 820.275316] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 820.333869] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/03/02 22:40:56 executed programs: 48 [ 974.620949] INFO: task syz-executor.3:8080 blocked for more than 140 seconds. [ 974.628404] Not tainted 5.0.0-rc8+ #2 [ 974.638893] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 974.647308] syz-executor.3 D28672 8080 7709 0x00000004 [ 974.664407] Call Trace: [ 974.667019] __schedule+0x817/0x1cc0 [ 974.676807] ? __mutex_lock+0x721/0x1310 [ 974.681174] ? pci_mmcfg_check_reserved+0x170/0x170 [ 974.686211] schedule+0x92/0x180 [ 974.689805] schedule_preempt_disabled+0x13/0x20 [ 974.701048] __mutex_lock+0x726/0x1310 [ 974.704958] ? genl_rcv_msg+0x13e/0x16c [ 974.708946] ? mutex_trylock+0x1e0/0x1e0 [ 974.719095] ? __lock_acquire+0x53b/0x4700 [ 974.723643] ? __local_bh_enable_ip+0x15a/0x270 [ 974.728330] ? __dev_queue_xmit+0x88c/0x2fe0 [ 974.738908] mutex_lock_nested+0x16/0x20 [ 974.743390] ? mutex_lock_nested+0x16/0x20 [ 974.747657] genl_rcv_msg+0x13e/0x16c [ 974.757529] netlink_rcv_skb+0x17a/0x460 [ 974.761921] ? genl_family_rcv_msg+0xd90/0xd90 [ 974.766525] ? netlink_ack+0xb50/0xb50 [ 974.770435] genl_rcv+0x29/0x40 [ 974.779925] netlink_unicast+0x536/0x720 [ 974.786434] ? netlink_attachskb+0x770/0x770 [ 974.796854] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 974.802205] ? __check_object_size+0x3d/0x42f [ 974.806773] netlink_sendmsg+0x8ae/0xd70 [ 974.817285] ? netlink_unicast+0x720/0x720 [ 974.821822] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 974.826679] ? apparmor_socket_sendmsg+0x2a/0x30 [ 974.837437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 974.843324] ? security_socket_sendmsg+0x93/0xc0 [ 974.848095] ? netlink_unicast+0x720/0x720 [ 974.858368] sock_sendmsg+0xdd/0x130 [ 974.863474] ___sys_sendmsg+0x806/0x930 [ 974.867473] ? copy_msghdr_from_user+0x430/0x430 [ 974.878275] ? lock_downgrade+0x810/0x810 [ 974.882731] ? kasan_check_read+0x11/0x20 [ 974.886900] ? __fget+0x367/0x540 [ 974.890361] ? iterate_fd+0x360/0x360 [ 974.900116] ? find_held_lock+0x35/0x130 [ 974.904477] ? __fd_install+0x1bc/0x640 [ 974.908472] ? __fget_light+0x1a9/0x230 [ 974.918579] ? __fdget+0x1b/0x20 [ 974.922386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 974.927941] __sys_sendmsg+0x105/0x1d0 [ 974.937837] ? __ia32_sys_shutdown+0x80/0x80 [ 974.942738] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 974.947509] ? do_syscall_64+0x26/0x610 [ 974.957685] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 974.963391] ? do_syscall_64+0x26/0x610 [ 974.967396] __x64_sys_sendmsg+0x78/0xb0 [ 974.977539] do_syscall_64+0x103/0x610 [ 974.981822] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 974.987018] RIP: 0033:0x411e51 [ 974.990220] Code: 30 44 00 b9 08 00 00 00 48 89 ee f3 a6 74 2a bf 60 30 44 00 b9 09 00 00 00 48 89 ee f3 a6 75 29 48 c7 03 90 1c 41 00 31 c0 48 <83> c4 08 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 c7 03 b0 20 41 00 [ 975.015192] RSP: 002b:00007fb2621009c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 975.024140] RAX: ffffffffffffffda RBX: 00007fb262100a58 RCX: 0000000000411e51 [ 975.036763] RDX: 0000000000000000 RSI: 00007fb262100a00 RDI: 0000000000000005 [ 975.045440] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 975.057840] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fb262100a40 [ 975.066443] R13: 00000000004cd770 R14: 00000000004dbab0 R15: 00000000ffffffff [ 975.078796] INFO: task syz-executor.3:8093 blocked for more than 140 seconds. [ 975.087254] Not tainted 5.0.0-rc8+ #2 [ 975.096676] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 975.108828] syz-executor.3 D27920 8093 7709 0x00000004 [ 975.119477] Call Trace: [ 975.123487] __schedule+0x817/0x1cc0 [ 975.127214] ? __mutex_lock+0x721/0x1310 [ 975.136306] ? pci_mmcfg_check_reserved+0x170/0x170 [ 975.142575] schedule+0x92/0x180 [ 975.145964] schedule_preempt_disabled+0x13/0x20 [ 975.155698] __mutex_lock+0x726/0x1310 [ 975.159608] ? genl_rcv_msg+0x13e/0x16c [ 975.164836] ? mutex_trylock+0x1e0/0x1e0 [ 975.168909] ? __lock_acquire+0x53b/0x4700 [ 975.178140] ? __local_bh_enable_ip+0x15a/0x270 [ 975.184076] ? __dev_queue_xmit+0x88c/0x2fe0 [ 975.188517] mutex_lock_nested+0x16/0x20 [ 975.197754] ? mutex_lock_nested+0x16/0x20 [ 975.203378] genl_rcv_msg+0x13e/0x16c [ 975.207207] netlink_rcv_skb+0x17a/0x460 [ 975.216265] ? genl_family_rcv_msg+0xd90/0xd90 [ 975.222127] ? netlink_ack+0xb50/0xb50 [ 975.226042] genl_rcv+0x29/0x40 [ 975.229334] netlink_unicast+0x536/0x720 [ 975.238572] ? netlink_attachskb+0x770/0x770 [ 975.244301] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 975.249330] ? __check_object_size+0x3d/0x42f [ 975.259167] netlink_sendmsg+0x8ae/0xd70 [ 975.264600] ? netlink_unicast+0x720/0x720 [ 975.268843] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 975.278873] ? apparmor_socket_sendmsg+0x2a/0x30 [ 975.284909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 975.290506] ? security_socket_sendmsg+0x93/0xc0 [ 975.300595] ? netlink_unicast+0x720/0x720 [ 975.306322] sock_sendmsg+0xdd/0x130 [ 975.310053] ___sys_sendmsg+0x806/0x930 [ 975.319370] ? copy_msghdr_from_user+0x430/0x430 [ 975.325489] ? lock_downgrade+0x810/0x810 [ 975.329657] ? kasan_check_read+0x11/0x20 [ 975.338979] ? __fget+0x367/0x540 [ 975.343781] ? iterate_fd+0x360/0x360 [ 975.347591] ? find_held_lock+0x35/0x130 [ 975.357139] ? __fd_install+0x1bc/0x640 [ 975.362454] ? __fget_light+0x1a9/0x230 [ 975.366443] ? __fdget+0x1b/0x20 [ 975.369818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 975.380746] __sys_sendmsg+0x105/0x1d0 [ 975.386021] ? __ia32_sys_shutdown+0x80/0x80 [ 975.390464] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 975.400613] ? do_syscall_64+0x26/0x610 [ 975.405836] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 975.416360] ? do_syscall_64+0x26/0x610 [ 975.420380] __x64_sys_sendmsg+0x78/0xb0 [ 975.426368] do_syscall_64+0x103/0x610 [ 975.430291] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 975.440670] RIP: 0033:0x411e51 [ 975.445134] Code: 30 44 00 b9 08 00 00 00 48 89 ee f3 a6 74 2a bf 60 30 44 00 b9 09 00 00 00 48 89 ee f3 a6 75 29 48 c7 03 90 1c 41 00 31 c0 48 <83> c4 08 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 c7 03 b0 20 41 00 [ 975.470472] RSP: 002b:00007fb2620df9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 975.478511] RAX: ffffffffffffffda RBX: 00007fb2620dfa58 RCX: 0000000000411e51 [ 975.491661] RDX: 0000000000000000 RSI: 00007fb2620dfa00 RDI: 0000000000000008 [ 975.498947] RBP: 0000000000000008 R08: 000000000000000b R09: 0000000000000000 [ 975.512315] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fb2620dfa40 [ 975.519595] R13: 00000000004cd770 R14: 00000000004dbab0 R15: 00000000ffffffff [ 975.533108] INFO: task syz-executor.5:8086 blocked for more than 140 seconds. [ 975.540389] Not tainted 5.0.0-rc8+ #2 [ 975.547988] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 975.559158] syz-executor.5 D28672 8086 7717 0x00000004 [ 975.568001] Call Trace: [ 975.570612] __schedule+0x817/0x1cc0 [ 975.577515] ? __mutex_lock+0x721/0x1310 [ 975.585486] ? pci_mmcfg_check_reserved+0x170/0x170 [ 975.590530] schedule+0x92/0x180 [ 975.597134] schedule_preempt_disabled+0x13/0x20 [ 975.605187] __mutex_lock+0x726/0x1310 [ 975.609089] ? genl_rcv_msg+0x13e/0x16c [ 975.616203] ? mutex_trylock+0x1e0/0x1e0 [ 975.620316] ? __lock_acquire+0x53b/0x4700 [ 975.627811] ? __local_bh_enable_ip+0x15a/0x270 [ 975.635775] ? __dev_queue_xmit+0x88c/0x2fe0 [ 975.640222] mutex_lock_nested+0x16/0x20 [ 975.647499] ? mutex_lock_nested+0x16/0x20 [ 975.654909] genl_rcv_msg+0x13e/0x16c [ 975.658742] netlink_rcv_skb+0x17a/0x460 [ 975.666155] ? genl_family_rcv_msg+0xd90/0xd90 [ 975.674052] ? netlink_ack+0xb50/0xb50 [ 975.677979] genl_rcv+0x29/0x40 [ 975.684290] netlink_unicast+0x536/0x720 [ 975.688408] ? netlink_attachskb+0x770/0x770 [ 975.696028] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 975.704231] ? __check_object_size+0x3d/0x42f [ 975.708763] netlink_sendmsg+0x8ae/0xd70 [ 975.715998] ? netlink_unicast+0x720/0x720 [ 975.720252] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 975.728298] ? apparmor_socket_sendmsg+0x2a/0x30 [ 975.736193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 975.745030] ? security_socket_sendmsg+0x93/0xc0 [ 975.749799] ? netlink_unicast+0x720/0x720 [ 975.757336] sock_sendmsg+0xdd/0x130 [ 975.764185] ___sys_sendmsg+0x806/0x930 [ 975.768175] ? copy_msghdr_from_user+0x430/0x430 [ 975.776118] ? lock_downgrade+0x810/0x810 [ 975.780297] ? kasan_check_read+0x11/0x20 [ 975.787790] ? __fget+0x367/0x540 [ 975.794442] ? iterate_fd+0x360/0x360 [ 975.798276] ? find_held_lock+0x35/0x130 [ 975.805564] ? __fd_install+0x1bc/0x640 [ 975.809558] ? __fget_light+0x1a9/0x230 [ 975.816700] ? __fdget+0x1b/0x20 [ 975.820080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 975.833870] __sys_sendmsg+0x105/0x1d0 [ 975.837776] ? __ia32_sys_shutdown+0x80/0x80 [ 975.845402] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 975.850172] ? do_syscall_64+0x26/0x610 [ 975.857403] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 975.865941] ? do_syscall_64+0x26/0x610 [ 975.869945] __x64_sys_sendmsg+0x78/0xb0 [ 975.877173] do_syscall_64+0x103/0x610 [ 975.884363] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 975.889566] RIP: 0033:0x411e51 [ 975.895986] Code: 30 44 00 b9 08 00 00 00 48 89 ee f3 a6 74 2a bf 60 30 44 00 b9 09 00 00 00 48 89 ee f3 a6 75 29 48 c7 03 90 1c 41 00 31 c0 48 <83> c4 08 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 c7 03 b0 20 41 00 [ 975.922570] RSP: 002b:00007f867b08a9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 975.930296] RAX: ffffffffffffffda RBX: 00007f867b08aa58 RCX: 0000000000411e51 [ 975.943852] RDX: 0000000000000000 RSI: 00007f867b08aa00 RDI: 0000000000000005 [ 975.954575] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 975.965017] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f867b08aa40 [ 975.975452] R13: 00000000004cd770 R14: 00000000004dbab0 R15: 00000000ffffffff [ 975.985958] INFO: task syz-executor.5:8096 blocked for more than 140 seconds. [ 975.996516] Not tainted 5.0.0-rc8+ #2 [ 976.004095] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 976.015148] syz-executor.5 D27920 8096 7717 0x00000004 [ 976.023910] Call Trace: [ 976.026521] __schedule+0x817/0x1cc0 [ 976.030250] ? __mutex_lock+0x721/0x1310 [ 976.037781] ? pci_mmcfg_check_reserved+0x170/0x170 [ 976.045979] schedule+0x92/0x180 [ 976.049364] schedule_preempt_disabled+0x13/0x20 [ 976.057343] __mutex_lock+0x726/0x1310 [ 976.064499] ? genl_rcv_msg+0x13e/0x16c [ 976.068498] ? mutex_trylock+0x1e0/0x1e0 [ 976.075681] ? __lock_acquire+0x53b/0x4700 [ 976.079954] ? __local_bh_enable_ip+0x15a/0x270 [ 976.087786] ? __dev_queue_xmit+0x88c/0x2fe0 [ 976.095486] mutex_lock_nested+0x16/0x20 [ 976.099564] ? mutex_lock_nested+0x16/0x20 [ 976.106999] genl_rcv_msg+0x13e/0x16c [ 976.113966] netlink_rcv_skb+0x17a/0x460 [ 976.118040] ? genl_family_rcv_msg+0xd90/0xd90 [ 976.125837] ? netlink_ack+0xb50/0xb50 [ 976.129753] genl_rcv+0x29/0x40 [ 976.136199] netlink_unicast+0x536/0x720 [ 976.140311] ? netlink_attachskb+0x770/0x770 [ 976.153962] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 976.159011] ? __check_object_size+0x3d/0x42f [ 976.165714] netlink_sendmsg+0x8ae/0xd70 [ 976.169792] ? netlink_unicast+0x720/0x720 [ 976.178325] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 976.185415] ? apparmor_socket_sendmsg+0x2a/0x30 [ 976.190185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 976.199901] ? security_socket_sendmsg+0x93/0xc0 [ 976.206883] ? netlink_unicast+0x720/0x720 [ 976.215390] sock_sendmsg+0xdd/0x130 [ 976.219118] ___sys_sendmsg+0x806/0x930 [ 976.225841] ? copy_msghdr_from_user+0x430/0x430 [ 976.230615] ? lock_downgrade+0x810/0x810 [ 976.238872] ? kasan_check_read+0x11/0x20 [ 976.245207] ? __fget+0x367/0x540 [ 976.248696] ? iterate_fd+0x360/0x360 [ 976.256592] ? find_held_lock+0x35/0x130 [ 976.260666] ? __fd_install+0x1bc/0x640 [ 976.266954] ? __fget_light+0x1a9/0x230 [ 976.274979] ? __fdget+0x1b/0x20 [ 976.278371] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 976.286261] __sys_sendmsg+0x105/0x1d0 [ 976.290170] ? __ia32_sys_shutdown+0x80/0x80 [ 976.298688] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 976.305591] ? do_syscall_64+0x26/0x610 [ 976.309578] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 976.319151] ? do_syscall_64+0x26/0x610 [ 976.325411] __x64_sys_sendmsg+0x78/0xb0 [ 976.329486] do_syscall_64+0x103/0x610 [ 976.337593] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 976.345067] RIP: 0033:0x411e51 [ 976.348282] Code: 30 44 00 b9 08 00 00 00 48 89 ee f3 a6 74 2a bf 60 30 44 00 b9 09 00 00 00 48 89 ee f3 a6 75 29 48 c7 03 90 1c 41 00 31 c0 48 <83> c4 08 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 c7 03 b0 20 41 00 [ 976.373498] RSP: 002b:00007f867b0699c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 976.384415] RAX: ffffffffffffffda RBX: 00007f867b069a58 RCX: 0000000000411e51 [ 976.394791] RDX: 0000000000000000 RSI: 00007f867b069a00 RDI: 0000000000000008 [ 976.405181] RBP: 0000000000000008 R08: 000000000000000b R09: 0000000000000000 [ 976.415760] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f867b069a40 [ 976.426287] R13: 00000000004cd770 R14: 00000000004dbab0 R15: 00000000ffffffff [ 976.436838] INFO: task syz-executor.4:8091 blocked for more than 140 seconds. [ 976.447210] Not tainted 5.0.0-rc8+ #2 [ 976.454745] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 976.465907] syz-executor.4 D28672 8091 7716 0x00000004 [ 976.474743] Call Trace: [ 976.477348] __schedule+0x817/0x1cc0 [ 976.484291] ? __mutex_lock+0x721/0x1310 [ 976.488367] ? pci_mmcfg_check_reserved+0x170/0x170 [ 976.496628] schedule+0x92/0x180 [ 976.500013] schedule_preempt_disabled+0x13/0x20 [ 976.508003] __mutex_lock+0x726/0x1310 [ 976.515173] ? genl_rcv_msg+0x13e/0x16c [ 976.519190] ? mutex_trylock+0x1e0/0x1e0 [ 976.526598] ? __lock_acquire+0x53b/0x4700 [ 976.533934] ? __local_bh_enable_ip+0x15a/0x270 [ 976.538617] ? __dev_queue_xmit+0x88c/0x2fe0 [ 976.546437] mutex_lock_nested+0x16/0x20 [ 976.550517] ? mutex_lock_nested+0x16/0x20 [ 976.557977] genl_rcv_msg+0x13e/0x16c [ 976.564952] netlink_rcv_skb+0x17a/0x460 [ 976.569029] ? genl_family_rcv_msg+0xd90/0xd90 [ 976.576711] ? netlink_ack+0xb50/0xb50 [ 976.580626] genl_rcv+0x29/0x40 [ 976.587019] netlink_unicast+0x536/0x720 [ 976.594413] ? netlink_attachskb+0x770/0x770 [ 976.598836] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 976.606997] ? __check_object_size+0x3d/0x42f [ 976.614567] netlink_sendmsg+0x8ae/0xd70 [ 976.618657] ? netlink_unicast+0x720/0x720 [ 976.626181] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 976.634175] ? apparmor_socket_sendmsg+0x2a/0x30 [ 976.638941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 976.647755] ? security_socket_sendmsg+0x93/0xc0 [ 976.655759] ? netlink_unicast+0x720/0x720 [ 976.660004] sock_sendmsg+0xdd/0x130 [ 976.666936] ___sys_sendmsg+0x806/0x930 [ 976.674102] ? copy_msghdr_from_user+0x430/0x430 [ 976.678890] ? lock_downgrade+0x810/0x810 [ 976.686181] ? kasan_check_read+0x11/0x20 [ 976.690688] ? __fget+0x367/0x540 [ 976.697445] ? iterate_fd+0x360/0x360 [ 976.704380] ? find_held_lock+0x35/0x130 [ 976.708464] ? __fd_install+0x1bc/0x640 [ 976.715594] ? __fget_light+0x1a9/0x230 [ 976.719593] ? __fdget+0x1b/0x20 [ 976.726167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 976.734882] __sys_sendmsg+0x105/0x1d0 [ 976.738782] ? __ia32_sys_shutdown+0x80/0x80 [ 976.746432] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 976.754261] ? do_syscall_64+0x26/0x610 [ 976.758263] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 976.766838] ? do_syscall_64+0x26/0x610 [ 976.773986] __x64_sys_sendmsg+0x78/0xb0 [ 976.778082] do_syscall_64+0x103/0x610 [ 976.785104] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 976.790301] RIP: 0033:0x411e51 [ 976.796658] Code: 30 44 00 b9 08 00 00 00 48 89 ee f3 a6 74 2a bf 60 30 44 00 b9 09 00 00 00 48 89 ee f3 a6 75 29 48 c7 03 90 1c 41 00 31 c0 48 <83> c4 08 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 c7 03 b0 20 41 00 [ 976.821659] RSP: 002b:00007fb14dfa79c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 976.829378] RAX: ffffffffffffffda RBX: 00007fb14dfa7a58 RCX: 0000000000411e51 [ 976.842669] RDX: 0000000000000000 RSI: 00007fb14dfa7a00 RDI: 0000000000000005 [ 976.849947] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 976.865440] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fb14dfa7a40 [ 976.875903] R13: 00000000004cd770 R14: 00000000004dbab0 R15: 00000000ffffffff [ 976.886292] INFO: task syz-executor.4:8097 blocked for more than 140 seconds. [ 976.896765] Not tainted 5.0.0-rc8+ #2 [ 976.904200] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 976.915253] syz-executor.4 D27920 8097 7716 0x00000004 [ 976.924067] Call Trace: [ 976.926680] __schedule+0x817/0x1cc0 [ 976.930402] ? __mutex_lock+0x721/0x1310 [ 976.937518] ? pci_mmcfg_check_reserved+0x170/0x170 [ 976.946754] schedule+0x92/0x180 [ 976.950137] schedule_preempt_disabled+0x13/0x20 [ 976.958199] __mutex_lock+0x726/0x1310 [ 976.965599] ? genl_rcv_msg+0x13e/0x16c [ 976.969616] ? mutex_trylock+0x1e0/0x1e0 [ 976.976736] ? __lock_acquire+0x53b/0x4700 [ 976.984187] ? __local_bh_enable_ip+0x15a/0x270 [ 976.988874] ? __dev_queue_xmit+0x88c/0x2fe0 [ 976.996541] mutex_lock_nested+0x16/0x20 [ 977.000616] ? mutex_lock_nested+0x16/0x20 [ 977.008185] genl_rcv_msg+0x13e/0x16c [ 977.015089] netlink_rcv_skb+0x17a/0x460 [ 977.019164] ? genl_family_rcv_msg+0xd90/0xd90 [ 977.027060] ? netlink_ack+0xb50/0xb50 [ 977.034256] genl_rcv+0x29/0x40 [ 977.037555] netlink_unicast+0x536/0x720 [ 977.044789] ? netlink_attachskb+0x770/0x770 [ 977.049220] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 977.057379] ? __check_object_size+0x3d/0x42f [ 977.065156] netlink_sendmsg+0x8ae/0xd70 [ 977.069238] ? netlink_unicast+0x720/0x720 [ 977.076654] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 977.084641] ? apparmor_socket_sendmsg+0x2a/0x30 [ 977.089409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 977.098277] ? security_socket_sendmsg+0x93/0xc0 [ 977.106174] ? netlink_unicast+0x720/0x720 [ 977.110448] sock_sendmsg+0xdd/0x130 [ 977.117248] ___sys_sendmsg+0x806/0x930 [ 977.124402] ? copy_msghdr_from_user+0x430/0x430 [ 977.129176] ? lock_downgrade+0x810/0x810 [ 977.136421] ? kasan_check_read+0x11/0x20 [ 977.140627] ? __fget+0x367/0x540 [ 977.147302] ? iterate_fd+0x360/0x360 [ 977.154163] ? find_held_lock+0x35/0x130 [ 977.158248] ? __fd_install+0x1bc/0x640 [ 977.165424] ? __fget_light+0x1a9/0x230 [ 977.169423] ? __fdget+0x1b/0x20 [ 977.175851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 977.189432] __sys_sendmsg+0x105/0x1d0 [ 977.196504] ? __ia32_sys_shutdown+0x80/0x80 [ 977.204132] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 977.208899] ? do_syscall_64+0x26/0x610 [ 977.216050] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 977.224672] ? do_syscall_64+0x26/0x610 [ 977.228671] __x64_sys_sendmsg+0x78/0xb0 [ 977.235849] do_syscall_64+0x103/0x610 [ 977.239754] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 977.248213] RIP: 0033:0x411e51 [ 977.254641] Code: 30 44 00 b9 08 00 00 00 48 89 ee f3 a6 74 2a bf 60 30 44 00 b9 09 00 00 00 48 89 ee f3 a6 75 29 48 c7 03 90 1c 41 00 31 c0 48 <83> c4 08 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 c7 03 b0 20 41 00 [ 977.279543] RSP: 002b:00007fb14df869c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 977.287647] RAX: ffffffffffffffda RBX: 00007fb14df86a58 RCX: 0000000000411e51 [ 977.301010] RDX: 0000000000000000 RSI: 00007fb14df86a00 RDI: 0000000000000008 [ 977.308303] RBP: 0000000000000008 R08: 000000000000000b R09: 0000000000000000 [ 977.320667] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fb14df86a40 [ 977.329188] R13: 00000000004cd770 R14: 00000000004dbab0 R15: 00000000ffffffff [ 977.342586] INFO: task syz-executor.0:8092 blocked for more than 140 seconds. [ 977.349895] Not tainted 5.0.0-rc8+ #2 [ 977.358494] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 977.368696] syz-executor.0 D28672 8092 7710 0x00000004 [ 977.378498] Call Trace: [ 977.383276] __schedule+0x817/0x1cc0 [ 977.386998] ? __mutex_lock+0x721/0x1310 [ 977.395249] ? pci_mmcfg_check_reserved+0x170/0x170 [ 977.400300] schedule+0x92/0x180 [ 977.405910] schedule_preempt_disabled+0x13/0x20 [ 977.410685] __mutex_lock+0x726/0x1310 [ 977.418788] ? genl_rcv_msg+0x13e/0x16c [ 977.425452] ? mutex_trylock+0x1e0/0x1e0 [ 977.429534] ? __lock_acquire+0x53b/0x4700 [ 977.437837] ? __local_bh_enable_ip+0x15a/0x270 [ 977.444771] ? __dev_queue_xmit+0x88c/0x2fe0 [ 977.449216] mutex_lock_nested+0x16/0x20 [ 977.457443] ? mutex_lock_nested+0x16/0x20 [ 977.463860] genl_rcv_msg+0x13e/0x16c [ 977.467686] netlink_rcv_skb+0x17a/0x460 [ 977.476025] ? genl_family_rcv_msg+0xd90/0xd90 [ 977.480626] ? netlink_ack+0xb50/0xb50 [ 977.486784] genl_rcv+0x29/0x40 [ 977.490075] netlink_unicast+0x536/0x720 [ 977.498255] ? netlink_attachskb+0x770/0x770 [ 977.504918] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 977.509951] ? __check_object_size+0x3d/0x42f [ 977.518629] netlink_sendmsg+0x8ae/0xd70 [ 977.524978] ? netlink_unicast+0x720/0x720 [ 977.529229] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 977.538320] ? apparmor_socket_sendmsg+0x2a/0x30 [ 977.545288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 977.554892] ? security_socket_sendmsg+0x93/0xc0 [ 977.559665] ? netlink_unicast+0x720/0x720 [ 977.566146] sock_sendmsg+0xdd/0x130 [ 977.569887] ___sys_sendmsg+0x806/0x930 [ 977.577937] ? copy_msghdr_from_user+0x430/0x430 [ 977.585645] ? lock_downgrade+0x810/0x810 [ 977.589812] ? kasan_check_read+0x11/0x20 [ 977.598166] ? __fget+0x367/0x540 [ 977.603826] ? iterate_fd+0x360/0x360 [ 977.607640] ? find_held_lock+0x35/0x130 [ 977.615998] ? __fd_install+0x1bc/0x640 [ 977.619992] ? __fget_light+0x1a9/0x230 [ 977.626321] ? __fdget+0x1b/0x20 [ 977.629730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 977.639532] __sys_sendmsg+0x105/0x1d0 [ 977.645752] ? __ia32_sys_shutdown+0x80/0x80 [ 977.650190] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 977.659203] ? do_syscall_64+0x26/0x610 [ 977.665658] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 977.675568] ? do_syscall_64+0x26/0x610 [ 977.679573] __x64_sys_sendmsg+0x78/0xb0 [ 977.685843] do_syscall_64+0x103/0x610 [ 977.689750] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 977.699161] RIP: 0033:0x411e51 [ 977.704670] Code: 30 44 00 b9 08 00 00 00 48 89 ee f3 a6 74 2a bf 60 30 44 00 b9 09 00 00 00 48 89 ee f3 a6 75 29 48 c7 03 90 1c 41 00 31 c0 48 <83> c4 08 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 c7 03 b0 20 41 00 [ 977.729753] RSP: 002b:00007f3cb9d339c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 977.737763] RAX: ffffffffffffffda RBX: 00007f3cb9d33a58 RCX: 0000000000411e51 [ 977.751436] RDX: 0000000000000000 RSI: 00007f3cb9d33a00 RDI: 0000000000000005 [ 977.758716] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 977.772250] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3cb9d33a40 [ 977.779553] R13: 00000000004cd770 R14: 00000000004dbab0 R15: 00000000ffffffff [ 977.793173] INFO: task syz-executor.0:8098 blocked for more than 140 seconds. [ 977.800457] Not tainted 5.0.0-rc8+ #2 [ 977.808025] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 977.819104] syz-executor.0 D27920 8098 7710 0x00000004 [ 977.828124] Call Trace: [ 977.830740] __schedule+0x817/0x1cc0 [ 977.837666] ? __mutex_lock+0x721/0x1310 [ 977.844954] ? pci_mmcfg_check_reserved+0x170/0x170 [ 977.849994] schedule+0x92/0x180 [ 977.856748] schedule_preempt_disabled+0x13/0x20 [ 977.864680] __mutex_lock+0x726/0x1310 [ 977.868588] ? genl_rcv_msg+0x13e/0x16c [ 977.875782] ? mutex_trylock+0x1e0/0x1e0 [ 977.879856] ? __lock_acquire+0x53b/0x4700 [ 977.887221] ? __local_bh_enable_ip+0x15a/0x270 [ 977.895088] ? __dev_queue_xmit+0x88c/0x2fe0 [ 977.899523] mutex_lock_nested+0x16/0x20 [ 977.908943] ? mutex_lock_nested+0x16/0x20 [ 977.916363] genl_rcv_msg+0x13e/0x16c [ 977.920193] netlink_rcv_skb+0x17a/0x460 [ 977.927585] ? genl_family_rcv_msg+0xd90/0xd90 [ 977.935370] ? netlink_ack+0xb50/0xb50 [ 977.939295] genl_rcv+0x29/0x40 [ 977.945869] netlink_unicast+0x536/0x720 [ 977.949960] ? netlink_attachskb+0x770/0x770 [ 977.957840] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 977.966106] ? __check_object_size+0x3d/0x42f [ 977.970625] netlink_sendmsg+0x8ae/0xd70 [ 977.977877] ? netlink_unicast+0x720/0x720 [ 977.991103] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 977.995963] ? apparmor_socket_sendmsg+0x2a/0x30 [ 978.006442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 978.012285] ? security_socket_sendmsg+0x93/0xc0 [ 978.017068] ? netlink_unicast+0x720/0x720 [ 978.027553] sock_sendmsg+0xdd/0x130 [ 978.031575] ___sys_sendmsg+0x806/0x930 [ 978.035576] ? copy_msghdr_from_user+0x430/0x430 [ 978.040344] ? lock_downgrade+0x810/0x810 [ 978.050663] ? kasan_check_read+0x11/0x20 [ 978.055141] ? __fget+0x367/0x540 [ 978.058619] ? iterate_fd+0x360/0x360 [ 978.070863] ? find_held_lock+0x35/0x130 [ 978.074955] ? __fd_install+0x1bc/0x640 [ 978.078937] ? __fget_light+0x1a9/0x230 [ 978.088935] ? __fdget+0x1b/0x20 [ 978.092593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 978.098147] __sys_sendmsg+0x105/0x1d0 [ 978.108047] ? __ia32_sys_shutdown+0x80/0x80 [ 978.112753] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 978.117533] ? do_syscall_64+0x26/0x610 [ 978.127552] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 978.133210] ? do_syscall_64+0x26/0x610 [ 978.137219] __x64_sys_sendmsg+0x78/0xb0 [ 978.147256] do_syscall_64+0x103/0x610 [ 978.151511] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 978.156708] RIP: 0033:0x411e51 [ 978.159903] Code: 30 44 00 b9 08 00 00 00 48 89 ee f3 a6 74 2a bf 60 30 44 00 b9 09 00 00 00 48 89 ee f3 a6 75 29 48 c7 03 90 1c 41 00 31 c0 48 <83> c4 08 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 c7 03 b0 20 41 00 [ 978.184827] RSP: 002b:00007f3cb9d129c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 978.193651] RAX: ffffffffffffffda RBX: 00007f3cb9d12a58 RCX: 0000000000411e51 [ 978.205844] RDX: 0000000000000000 RSI: 00007f3cb9d12a00 RDI: 0000000000000008 [ 978.214279] RBP: 0000000000000008 R08: 000000000000000b R09: 0000000000000000 [ 978.229565] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3cb9d12a40 [ 978.237977] R13: 00000000004cd770 R14: 00000000004dbab0 R15: 00000000ffffffff [ 978.250361] INFO: task syz-executor.2:8095 blocked for more than 140 seconds. [ 978.258760] Not tainted 5.0.0-rc8+ #2 [ 978.268173] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 978.277226] syz-executor.2 D28672 8095 7715 0x00000004 [ 978.287954] Call Trace: [ 978.290567] __schedule+0x817/0x1cc0 [ 978.295388] ? __mutex_lock+0x721/0x1310 [ 978.299469] ? pci_mmcfg_check_reserved+0x170/0x170 [ 978.317838] schedule+0x92/0x180 [ 978.321422] schedule_preempt_disabled+0x13/0x20 [ 978.326199] __mutex_lock+0x726/0x1310 [ 978.330093] ? genl_rcv_msg+0x13e/0x16c [ 978.340006] ? mutex_trylock+0x1e0/0x1e0 [ 978.344262] ? __lock_acquire+0x53b/0x4700 [ 978.348517] ? __local_bh_enable_ip+0x15a/0x270 [ 978.359157] ? __dev_queue_xmit+0x88c/0x2fe0 [ 978.363757] mutex_lock_nested+0x16/0x20 [ 978.367826] ? mutex_lock_nested+0x16/0x20 [ 978.377897] genl_rcv_msg+0x13e/0x16c [ 978.381861] netlink_rcv_skb+0x17a/0x460 [ 978.385940] ? genl_family_rcv_msg+0xd90/0xd90 [ 978.390531] ? netlink_ack+0xb50/0xb50 [ 978.400399] genl_rcv+0x29/0x40 [ 978.403836] netlink_unicast+0x536/0x720 [ 978.407917] ? netlink_attachskb+0x770/0x770 [ 978.418082] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 978.423236] ? __check_object_size+0x3d/0x42f [ 978.427773] netlink_sendmsg+0x8ae/0xd70 [ 978.437680] ? netlink_unicast+0x720/0x720 [ 978.442047] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 978.446917] ? apparmor_socket_sendmsg+0x2a/0x30 [ 978.457634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 978.463627] ? security_socket_sendmsg+0x93/0xc0 [ 978.468400] ? netlink_unicast+0x720/0x720 [ 978.478774] sock_sendmsg+0xdd/0x130 [ 978.482789] ___sys_sendmsg+0x806/0x930 [ 978.486775] ? copy_msghdr_from_user+0x430/0x430 [ 978.497647] ? lock_downgrade+0x810/0x810 [ 978.502112] ? kasan_check_read+0x11/0x20 [ 978.506296] ? __fget+0x367/0x540 [ 978.509765] ? iterate_fd+0x360/0x360 [ 978.519955] ? find_held_lock+0x35/0x130 [ 978.524343] ? __fd_install+0x1bc/0x640 [ 978.528335] ? __fget_light+0x1a9/0x230 [ 978.538555] ? __fdget+0x1b/0x20 [ 978.542222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 978.547793] __sys_sendmsg+0x105/0x1d0 [ 978.557939] ? __ia32_sys_shutdown+0x80/0x80 [ 978.562669] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 978.567437] ? do_syscall_64+0x26/0x610 [ 978.577408] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 978.583067] ? do_syscall_64+0x26/0x610 [ 978.587075] __x64_sys_sendmsg+0x78/0xb0 [ 978.597307] do_syscall_64+0x103/0x610 [ 978.601535] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 978.606734] RIP: 0033:0x411e51 [ 978.609932] Code: 30 44 00 b9 08 00 00 00 48 89 ee f3 a6 74 2a bf 60 30 44 00 b9 09 00 00 00 48 89 ee f3 a6 75 29 48 c7 03 90 1c 41 00 31 c0 48 <83> c4 08 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 c7 03 b0 20 41 00 [ 978.635214] RSP: 002b:00007f33c0c319c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 978.644481] RAX: ffffffffffffffda RBX: 00007f33c0c31a58 RCX: 0000000000411e51 [ 978.656826] RDX: 0000000000000000 RSI: 00007f33c0c31a00 RDI: 0000000000000005 [ 978.665389] RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 [ 978.677899] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f33c0c31a40 [ 978.686447] R13: 00000000004cd770 R14: 00000000004dbab0 R15: 00000000ffffffff [ 978.699202] INFO: task syz-executor.2:8099 blocked for more than 140 seconds. [ 978.707757] Not tainted 5.0.0-rc8+ #2 [ 978.717086] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 978.726320] syz-executor.2 D27920 8099 7715 0x00000004 [ 978.736895] Call Trace: [ 978.739502] __schedule+0x817/0x1cc0 [ 978.744545] ? __mutex_lock+0x721/0x1310 [ 978.748626] ? pci_mmcfg_check_reserved+0x170/0x170 [ 978.758605] schedule+0x92/0x180 [ 978.763274] schedule_preempt_disabled+0x13/0x20 [ 978.768066] __mutex_lock+0x726/0x1310 [ 978.777199] ? genl_rcv_msg+0x13e/0x16c [ 978.782485] ? mutex_trylock+0x1e0/0x1e0 [ 978.786559] ? __lock_acquire+0x53b/0x4700 [ 978.795860] ? __local_bh_enable_ip+0x15a/0x270 [ 978.800548] ? __dev_queue_xmit+0x88c/0x2fe0 [ 978.806259] mutex_lock_nested+0x16/0x20 [ 978.810347] ? mutex_lock_nested+0x16/0x20 [ 978.819583] genl_rcv_msg+0x13e/0x16c [ 978.824685] netlink_rcv_skb+0x17a/0x460 [ 978.828763] ? genl_family_rcv_msg+0xd90/0xd90 [ 978.838453] ? netlink_ack+0xb50/0xb50 [ 978.843678] genl_rcv+0x29/0x40 [ 978.846975] netlink_unicast+0x536/0x720 [ 978.856221] ? netlink_attachskb+0x770/0x770 [ 978.860698] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 978.866981] ? __check_object_size+0x3d/0x42f [ 978.876575] netlink_sendmsg+0x8ae/0xd70 [ 978.880658] ? netlink_unicast+0x720/0x720 [ 978.886237] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 978.896165] ? apparmor_socket_sendmsg+0x2a/0x30 [ 978.902224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 978.907780] ? security_socket_sendmsg+0x93/0xc0 [ 978.917699] ? netlink_unicast+0x720/0x720 [ 978.923160] sock_sendmsg+0xdd/0x130 [ 978.926891] ___sys_sendmsg+0x806/0x930 [ 978.935957] ? copy_msghdr_from_user+0x430/0x430 [ 978.940736] ? lock_downgrade+0x810/0x810 [ 978.948184] ? kasan_check_read+0x11/0x20 [ 978.957585] ? __fget+0x367/0x540 [ 978.962316] ? iterate_fd+0x360/0x360 [ 978.966138] ? find_held_lock+0x35/0x130 [ 978.970206] ? __fd_install+0x1bc/0x640 [ 978.979239] ? __fget_light+0x1a9/0x230 [ 978.984518] ? __fdget+0x1b/0x20 [ 978.987899] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 978.998582] __sys_sendmsg+0x105/0x1d0 [ 979.003754] ? __ia32_sys_shutdown+0x80/0x80 [ 979.008186] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 979.017885] ? do_syscall_64+0x26/0x610 [ 979.024311] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 979.029697] ? do_syscall_64+0x26/0x610 [ 979.038871] __x64_sys_sendmsg+0x78/0xb0 [ 979.044212] do_syscall_64+0x103/0x610 [ 979.048120] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 979.058412] RIP: 0033:0x411e51 [ 979.062934] Code: 30 44 00 b9 08 00 00 00 48 89 ee f3 a6 74 2a bf 60 30 44 00 b9 09 00 00 00 48 89 ee f3 a6 75 29 48 c7 03 90 1c 41 00 31 c0 48 <83> c4 08 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 c7 03 b0 20 41 00 [ 979.087821] RSP: 002b:00007f33c0c109c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 979.095806] RAX: ffffffffffffffda RBX: 00007f33c0c10a58 RCX: 0000000000411e51 [ 979.109264] RDX: 0000000000000000 RSI: 00007f33c0c10a00 RDI: 0000000000000008 [ 979.116827] RBP: 0000000000000008 R08: 000000000000000b R09: 0000000000000000 [ 979.130152] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f33c0c10a40 [ 979.137714] R13: 00000000004cd770 R14: 00000000004dbab0 R15: 00000000ffffffff [ 979.151166] [ 979.151166] Showing all locks held in the system: [ 979.157500] 1 lock held by khungtaskd/1040: [ 979.166865] #0: 0000000028adf221 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 979.176763] 1 lock held by rsyslogd/7576: [ 979.185905] #0: 000000007187d99e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 979.195092] 2 locks held by getty/7666: [ 979.199064] #0: 00000000a89ca788 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 979.213471] #1: 000000005cfc63c1 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 979.225685] 2 locks held by getty/7667: [ 979.229665] #0: 000000009cad0801 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 979.244060] #1: 00000000a4d94a0d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 979.255168] 2 locks held by getty/7668: [ 979.259158] #0: 00000000c83d8e07 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 979.276736] #1: 000000002da1538d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 979.286052] 2 locks held by getty/7669: [ 979.290030] #0: 00000000c477e09d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 979.304360] #1: 000000005ab596b9 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 979.315478] 2 locks held by getty/7670: [ 979.319458] #0: 00000000c76c5aae (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 979.333795] #1: 000000006b9b540b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 979.345863] 2 locks held by getty/7671: [ 979.349838] #0: 00000000feeb9be7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 979.364418] #1: 00000000b693b20a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 979.375519] 2 locks held by getty/7672: [ 979.379500] #0: 0000000055a74871 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 979.393817] #1: 00000000f0c82768 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 979.404903] 2 locks held by syz-executor.1/8075: [ 979.409665] 2 locks held by syz-executor.3/8080: [ 979.418486] #0: 000000000f43a70d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 979.428122] #1: 000000003f2a94cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 979.439880] 2 locks held by syz-executor.3/8093: [ 979.446810] #0: 000000000f43a70d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 979.457773] #1: 000000003f2a94cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 979.467656] 2 locks held by syz-executor.5/8086: [ 979.476420] #0: 000000000f43a70d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 979.485586] #1: 000000003f2a94cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 979.497475] 2 locks held by syz-executor.5/8096: [ 979.504414] #0: 000000000f43a70d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 979.515538] #1: 000000003f2a94cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 979.525478] 2 locks held by syz-executor.4/8091: [ 979.530232] #0: 000000000f43a70d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 979.543544] #1: 000000003f2a94cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 979.554482] 2 locks held by syz-executor.4/8097: [ 979.559242] #0: 000000000f43a70d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 979.569596] #1: 000000003f2a94cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 979.580408] 2 locks held by syz-executor.0/8092: [ 979.588935] #0: 000000000f43a70d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 979.598965] #1: 000000003f2a94cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 979.609911] 2 locks held by syz-executor.0/8098: [ 979.617843] #0: 000000000f43a70d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 979.627926] #1: 000000003f2a94cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 979.638829] 2 locks held by syz-executor.2/8095: [ 979.646919] #0: 000000000f43a70d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 979.656963] #1: 000000003f2a94cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 979.665102] 2 locks held by syz-executor.2/8099: [ 979.669855] #0: 000000000f43a70d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 [ 979.677107] #1: 000000003f2a94cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c [ 979.685120] [ 979.686791] ============================================= [ 979.686791] [ 979.694915] NMI backtrace for cpu 0 [ 979.698556] CPU: 0 PID: 1040 Comm: khungtaskd Not tainted 5.0.0-rc8+ #2 [ 979.705308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 979.714655] Call Trace: [ 979.717272] dump_stack+0x172/0x1f0 [ 979.720921] nmi_cpu_backtrace.cold+0x63/0xa4 [ 979.725436] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 979.730376] nmi_trigger_cpumask_backtrace+0x1be/0x236 [ 979.735660] arch_trigger_cpumask_backtrace+0x14/0x20 [ 979.740851] watchdog+0x9df/0xee0 [ 979.744317] kthread+0x357/0x430 [ 979.747687] ? reset_hung_task_detector+0x30/0x30 [ 979.752542] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 979.758085] ret_from_fork+0x3a/0x50 [ 979.761954] Sending NMI from CPU 0 to CPUs 1: [ 979.767809] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.128 msecs [ 979.768487] NMI backtrace for cpu 1 [ 979.768502] CPU: 1 PID: 8075 Comm: syz-executor.1 Not tainted 5.0.0-rc8+ #2 [ 979.768510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 979.768516] RIP: 0010:rcu_dynticks_curr_cpu_in_eqs+0x88/0xb0 [ 979.768529] Code: fc ff df 48 c1 ea 03 0f b6 14 02 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 17 8b 83 b8 00 00 00 48 83 c4 08 5b 41 5c 5d e8 83 f0 01 83 e0 01 c3 4c 89 e7 e8 a7 c8 48 00 eb df 48 89 45 [ 979.768534] RSP: 0018:ffff88808db0ed20 EFLAGS: 00000282 [ 979.768544] RAX: 0000000000071722 RBX: 0000000000000000 RCX: ffffffff815e1764 [ 979.768550] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880ae92de78 [ 979.768556] RBP: ffff88808db0ed28 R08: 1ffff11015d25bcf R09: ffffed1015d25bd0 [ 979.768562] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000046 [ 979.768568] R13: ffff888088da1780 R14: 0000000000000000 R15: ffff8880a066e400 [ 979.768575] FS: 00007f56a120f700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 979.768581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 979.768587] CR2: ffffffffff600400 CR3: 00000000a099f000 CR4: 00000000001406e0 [ 979.768590] Call Trace: [ 979.768595] ? rcu_is_watching+0x10/0x30 [ 979.768599] tipc_sk_lookup+0x9aa/0xbe0 [ 979.768604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 979.768608] ? __nla_parse+0x12a/0x340 [ 979.768613] ? __tipc_nl_add_sk+0x400/0x400 [ 979.768617] ? nla_parse+0x45/0x60 [ 979.768621] tipc_nl_publ_dump+0x1fb/0xd70 [ 979.768625] ? retint_kernel+0x2d/0x2d [ 979.768630] ? trace_hardirqs_on_caller+0x6a/0x220 [ 979.768634] ? tipc_nl_sk_dump+0x30/0x30 [ 979.768639] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 979.768644] ? __tipc_nl_compat_dumpit.isra.0+0x248/0x930 [ 979.768649] ? __tipc_nl_compat_dumpit.isra.0+0x51c/0x930 [ 979.768665] __tipc_nl_compat_dumpit.isra.0+0x220/0x930 [ 979.768669] ? __tipc_add_link_prop.isra.0+0x210/0x210 [ 979.768674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 979.768678] ? __nla_put+0x37/0x40 [ 979.768682] ? nla_put+0x110/0x150 [ 979.768687] tipc_nl_compat_sk_dump+0x54a/0x970 [ 979.768692] ? __tipc_nl_compat_dumpit.isra.0+0x930/0x930 [ 979.768696] ? validate_nla+0x28d/0x15c0 [ 979.768701] ? __sanitizer_cov_trace_cmp1+0x20/0x20 [ 979.768705] ? tipc_nl_sk_dump+0x30/0x30 [ 979.768709] ? tipc_tlv_sprintf+0x2f0/0x2f0 [ 979.768713] ? nla_memcpy+0xb0/0xb0 [ 979.768717] ? lock_downgrade+0x810/0x810 [ 979.768721] ? nla_parse+0x45/0x60 [ 979.768726] __tipc_nl_compat_dumpit.isra.0+0x32c/0x930 [ 979.768730] ? __tipc_add_link_prop.isra.0+0x210/0x210 [ 979.768748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 979.768752] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 979.768756] ? skb_put+0x177/0x1d0 [ 979.768760] tipc_nl_compat_dumpit+0x1f4/0x440 [ 979.768765] tipc_nl_compat_recv+0x5e5/0xae0 [ 979.768769] ? tipc_nl_compat_doit+0x590/0x590 [ 979.768772] ? kasan_check_read+0x11/0x20 [ 979.768776] ? tipc_dump_start+0x90/0x90 [ 979.768781] ? __tipc_nl_compat_dumpit.isra.0+0x930/0x930 [ 979.768785] ? lock_downgrade+0x810/0x810 [ 979.768789] ? kasan_check_read+0x11/0x20 [ 979.768793] ? do_raw_spin_unlock+0x57/0x270 [ 979.768798] genl_family_rcv_msg+0x6e1/0xd90 [ 979.768802] ? genl_unregister_family+0x790/0x790 [ 979.768806] ? __local_bh_enable_ip+0x15a/0x270 [ 979.768810] ? __dev_queue_xmit+0x88c/0x2fe0 [ 979.768814] genl_rcv_msg+0xca/0x16c [ 979.768818] netlink_rcv_skb+0x17a/0x460 [ 979.768822] ? genl_family_rcv_msg+0xd90/0xd90 [ 979.768826] ? netlink_ack+0xb50/0xb50 [ 979.768830] genl_rcv+0x29/0x40 [ 979.768834] netlink_unicast+0x536/0x720 [ 979.768838] ? netlink_attachskb+0x770/0x770 [ 979.768842] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 979.768846] ? __check_object_size+0x3d/0x42f [ 979.768850] netlink_sendmsg+0x8ae/0xd70 [ 979.768854] ? netlink_unicast+0x720/0x720 [ 979.768859] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 979.768863] ? apparmor_socket_sendmsg+0x2a/0x30 [ 979.768868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 979.768873] ? security_socket_sendmsg+0x93/0xc0 [ 979.768877] ? netlink_unicast+0x720/0x720 [ 979.768880] sock_sendmsg+0xdd/0x130 [ 979.768884] ___sys_sendmsg+0x806/0x930 [ 979.768889] ? copy_msghdr_from_user+0x430/0x430 [ 979.768893] ? lock_downgrade+0x810/0x810 [ 979.768897] ? kasan_check_read+0x11/0x20 [ 979.768901] ? __fget+0x367/0x540 [ 979.768904] ? iterate_fd+0x360/0x360 [ 979.768908] ? lock_downgrade+0x810/0x810 [ 979.768912] ? __fget_light+0x1a9/0x230 [ 979.768915] ? __fdget+0x1b/0x20 [ 979.768920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 979.768936] __sys_sendmsg+0x105/0x1d0 [ 979.768940] ? __ia32_sys_shutdown+0x80/0x80 [ 979.768957] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 979.768962] ? do_syscall_64+0x26/0x610 [ 979.768966] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 979.768970] ? do_syscall_64+0x26/0x610 [ 979.768986] __x64_sys_sendmsg+0x78/0xb0 [ 979.768990] do_syscall_64+0x103/0x610 [ 979.768995] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 979.769010] RIP: 0033:0x457e29 [ 979.769024] Code: ad b8 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 b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 979.769028] RSP: 002b:00007f56a120ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 979.769039] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29 [ 979.769045] RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000006 [ 979.769051] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 979.769057] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f56a120f6d4 [ 979.769064] R13: 00000000004cb948 R14: 00000000004d9050 R15: 00000000ffffffff [ 979.769132] Kernel panic - not syncing: hung_task: blocked tasks [ 980.315729] CPU: 0 PID: 1040 Comm: khungtaskd Not tainted 5.0.0-rc8+ #2 [ 980.322477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 980.331822] Call Trace: [ 980.334438] dump_stack+0x172/0x1f0 [ 980.338088] panic+0x2cb/0x65c [ 980.341288] ? __warn_printk+0xf3/0xf3 [ 980.345181] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 980.350130] ? ___preempt_schedule+0x16/0x18 [ 980.354562] ? nmi_trigger_cpumask_backtrace+0x19e/0x236 [ 980.360044] ? nmi_trigger_cpumask_backtrace+0x1fa/0x236 [ 980.365493] ? nmi_trigger_cpumask_backtrace+0x204/0x236 [ 980.370943] ? nmi_trigger_cpumask_backtrace+0x19e/0x236 [ 980.376395] watchdog+0x9f0/0xee0 [ 980.379863] kthread+0x357/0x430 [ 980.383287] ? reset_hung_task_detector+0x30/0x30 [ 980.388139] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 980.393677] ret_from_fork+0x3a/0x50 [ 980.398562] Kernel Offset: disabled [ 980.402195] Rebooting in 86400 seconds..