[ 70.795278] can: request_module (can-proto-0) failed. [ 71.002982] audit: type=1400 audit(1576710720.211:44): avc: denied { create } for pid=6073 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 [ 71.026598] audit: type=1400 audit(1576710720.211:45): avc: denied { create } for pid=6073 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 71.050232] audit: type=1400 audit(1576710720.211:46): avc: denied { create } for pid=6073 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. 2019/12/18 23:12:09 parsed 1 programs 2019/12/18 23:12:09 executed programs: 0 [ 80.792605] IPVS: ftp: loaded support on port[0] = 21 [ 80.825032] IPVS: ftp: loaded support on port[0] = 21 [ 80.865453] IPVS: ftp: loaded support on port[0] = 21 [ 80.865477] IPVS: ftp: loaded support on port[0] = 21 [ 80.892199] IPVS: ftp: loaded support on port[0] = 21 [ 80.901934] IPVS: ftp: loaded support on port[0] = 21 [ 81.734033] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.743025] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.754789] device bridge_slave_0 entered promiscuous mode [ 81.763464] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.770414] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.777878] device bridge_slave_0 entered promiscuous mode [ 81.814417] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.825959] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.833679] device bridge_slave_1 entered promiscuous mode [ 81.848770] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.855191] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.862693] device bridge_slave_1 entered promiscuous mode [ 81.935538] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.942302] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.950137] device bridge_slave_0 entered promiscuous mode [ 81.966096] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.973019] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.984995] device bridge_slave_0 entered promiscuous mode [ 81.994530] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.001048] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.008237] device bridge_slave_0 entered promiscuous mode [ 82.020113] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.032408] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.039964] device bridge_slave_1 entered promiscuous mode [ 82.048179] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.054593] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.061756] device bridge_slave_0 entered promiscuous mode [ 82.074822] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.082070] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.094905] device bridge_slave_1 entered promiscuous mode [ 82.103040] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.109876] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.116959] device bridge_slave_1 entered promiscuous mode [ 82.141998] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.152373] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.164598] device bridge_slave_1 entered promiscuous mode [ 82.185446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.212055] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.231369] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.264567] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.407918] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.440652] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.456415] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.467038] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.477969] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.526731] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.541735] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.552062] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.574757] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.586664] team0: Port device team_slave_0 added [ 82.594094] team0: Port device team_slave_0 added [ 82.603282] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.614807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.642805] team0: Port device team_slave_1 added [ 82.649024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.659593] team0: Port device team_slave_1 added [ 82.672620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.685301] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.693521] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.707842] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.716037] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.749163] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.762856] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.780537] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.793724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.837742] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.847692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.870280] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.886496] team0: Port device team_slave_0 added [ 82.895281] team0: Port device team_slave_0 added [ 82.902804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.918813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.937494] team0: Port device team_slave_0 added [ 82.947454] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.956536] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.975990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.984620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.000682] team0: Port device team_slave_1 added [ 83.011080] team0: Port device team_slave_0 added [ 83.018308] team0: Port device team_slave_1 added [ 83.028122] team0: Port device team_slave_1 added [ 83.057224] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.082228] team0: Port device team_slave_1 added [ 83.094617] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.112602] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.129833] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.153595] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.171545] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.192163] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.217114] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.225306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.244391] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.256037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.263823] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.272960] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.281128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.302631] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.331903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.341692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.349775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.357901] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.365761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 83.390586] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.406475] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.414361] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.433727] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 83.703105] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.709649] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.716782] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.723157] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.794276] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.800685] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.807483] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.813866] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.873246] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.879660] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.886302] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.892639] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.958960] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.965355] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.972277] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.978727] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.001155] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.007618] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.014219] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.020613] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.120769] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.127224] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.133837] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.140360] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.506555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.514310] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.541374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.548875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.556244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 84.563314] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 85.859989] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.893010] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.956401] 8021q: adding VLAN 0 to HW filter on device bond0 [ 85.977337] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.115182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.129604] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.169576] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.179523] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.252180] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.261063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.366464] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.373420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.393547] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.410228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.418555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.453192] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.491642] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.501650] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.521424] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 86.531522] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 86.580665] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.612422] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.698004] 8021q: adding VLAN 0 to HW filter on device team0 [ 86.726539] 8021q: adding VLAN 0 to HW filter on device team0 2019/12/18 23:12:16 executed programs: 6 [ 87.529749] audit: type=1400 audit(1576710736.741:47): avc: denied { write } for pid=7660 comm="syz-executor3" 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 [ 87.618095] audit: type=1400 audit(1576710736.741:48): avc: denied { read } for pid=7660 comm="syz-executor3" 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 [ 89.871039] netlink: 33632884 bytes leftover after parsing attributes in process `syz-executor5'. 2019/12/18 23:12:21 executed programs: 214 2019/12/18 23:12:26 executed programs: 436 2019/12/18 23:12:31 executed programs: 658 2019/12/18 23:12:36 executed programs: 881 2019/12/18 23:12:41 executed programs: 1103 2019/12/18 23:12:46 executed programs: 1323 2019/12/18 23:12:51 executed programs: 1544 2019/12/18 23:12:56 executed programs: 1766 2019/12/18 23:13:01 executed programs: 1987 2019/12/18 23:13:07 executed programs: 2203 2019/12/18 23:13:12 executed programs: 2421 [ 290.185713] INFO: task syz-executor3:25511 blocked for more than 143 seconds. [ 290.193278] Not tainted 5.5.0-rc2-syzkaller #0 [ 290.200421] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 290.208671] syz-executor3 D27632 25511 6167 0x00004004 [ 290.214306] Call Trace: [ 290.220413] __schedule+0x856/0x1910 [ 290.224142] ? __sched_text_start+0x8/0x8 [ 290.228573] schedule+0xc3/0x2b0 [ 290.231958] schedule_preempt_disabled+0x13/0x20 [ 290.236934] __mutex_lock+0x8b5/0x1410 [ 290.240875] ? ctrl_getfamily+0x2c0/0x400 [ 290.245023] ? mutex_lock_io_nested+0x1280/0x1280 [ 290.250209] ? lock_acquire+0x194/0x410 [ 290.254276] ? ctrl_getfamily+0x2b2/0x400 [ 290.258689] ? down_read_killable+0x470/0x470 [ 290.263192] mutex_lock_nested+0x16/0x20 [ 290.267480] ? mutex_lock_nested+0x16/0x20 [ 290.271712] ctrl_getfamily+0x2c0/0x400 [ 290.276069] genl_rcv_msg+0x5e1/0x10f0 [ 290.280035] ? __kasan_check_read+0x11/0x20 [ 290.284482] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 290.290536] netlink_rcv_skb+0x13f/0x380 [ 290.294607] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 290.300480] ? netlink_ack+0x980/0x980 [ 290.304367] ? netlink_deliver_tap+0x178/0xac0 [ 290.309195] ? __kasan_check_read+0x11/0x20 [ 290.313524] genl_rcv+0x23/0x40 [ 290.317092] netlink_unicast+0x463/0x6b0 [ 290.321153] ? netlink_attachskb+0x740/0x740 [ 290.326646] ? _copy_from_iter_full+0x18a/0x780 [ 290.331330] netlink_sendmsg+0x7b0/0xcb0 [ 290.335388] ? netlink_unicast+0x6b0/0x6b0 [ 290.339919] ? selinux_socket_sendmsg+0x31/0x40 [ 290.344774] ? netlink_unicast+0x6b0/0x6b0 [ 290.349367] sock_sendmsg+0xe6/0x110 [ 290.353170] ____sys_sendmsg+0x603/0x980 [ 290.357473] ? copy_msghdr_from_user+0x209/0x420 [ 290.362234] ? kernel_sendmsg+0x30/0x30 [ 290.366467] ___sys_sendmsg+0xe4/0x160 [ 290.370356] ? sendmsg_copy_msghdr+0x30/0x30 [ 290.374778] ? __kasan_check_read+0x11/0x20 [ 290.379381] ? __fget+0x2ac/0x410 [ 290.382836] ? ksys_dup3+0x2e0/0x2e0 [ 290.386787] ? __fget_light+0x179/0x1f0 [ 290.390766] ? __fdget+0xe/0x10 [ 290.394041] __sys_sendmsg+0xd9/0x180 [ 290.398067] ? __sys_sendmsg_sock+0xa0/0xa0 [ 290.402393] ? __fd_install+0x174/0x4b0 [ 290.406587] ? fd_install+0x47/0x60 [ 290.410275] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.415895] __x64_sys_sendmsg+0x73/0xb0 [ 290.419980] do_syscall_64+0xd0/0x600 [ 290.423777] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.429230] RIP: 0033:0x411231 [ 290.432421] Code: 01 4c 89 54 24 28 e9 6f fa ff ff 49 8b 7c 24 70 8b 35 43 c4 24 00 ff 15 ed 83 24 00 85 c0 0f 85 b3 fe ff ff 49 8b 7c 24 70 be <20> 13 41 00 ff 15 dd 83 24 00 85 c0 0f 85 9b fe ff ff 49 8b 7c 24 [ 290.451634] RSP: 002b:00007f4a064a49c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 290.460427] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 [ 290.467907] RDX: 0000000000000000 RSI: 00007f4a064a4a00 RDI: 0000000000000007 [ 290.475180] RBP: 0000000000000007 R08: 00007f4a064a49d0 R09: 000000000072bf00 [ 290.482696] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f4a064a4a40 [ 290.490637] R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff [ 290.498142] INFO: task syz-executor1:25532 blocked for more than 143 seconds. [ 290.505429] Not tainted 5.5.0-rc2-syzkaller #0 [ 290.510739] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 290.518953] syz-executor1 D27632 25532 6169 0x00004004 [ 290.524587] Call Trace: [ 290.527419] __schedule+0x856/0x1910 [ 290.531137] ? __sched_text_start+0x8/0x8 [ 290.535284] schedule+0xc3/0x2b0 [ 290.538905] schedule_preempt_disabled+0x13/0x20 [ 290.543663] __mutex_lock+0x8b5/0x1410 [ 290.547792] ? ctrl_getfamily+0x2c0/0x400 [ 290.551942] ? mutex_lock_io_nested+0x1280/0x1280 [ 290.557088] ? lock_acquire+0x194/0x410 [ 290.561059] ? ctrl_getfamily+0x2b2/0x400 [ 290.565219] ? down_read_killable+0x470/0x470 [ 290.569955] mutex_lock_nested+0x16/0x20 [ 290.574013] ? mutex_lock_nested+0x16/0x20 [ 290.578471] ctrl_getfamily+0x2c0/0x400 [ 290.582457] genl_rcv_msg+0x5e1/0x10f0 [ 290.587347] ? __kasan_check_read+0x11/0x20 [ 290.591674] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 290.597548] netlink_rcv_skb+0x13f/0x380 [ 290.601607] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 290.607444] ? netlink_ack+0x980/0x980 [ 290.611332] ? netlink_deliver_tap+0x178/0xac0 [ 290.616130] ? __kasan_check_read+0x11/0x20 [ 290.620470] genl_rcv+0x23/0x40 [ 290.623751] netlink_unicast+0x463/0x6b0 [ 290.628066] ? netlink_attachskb+0x740/0x740 [ 290.632473] ? _copy_from_iter_full+0x18a/0x780 [ 290.637393] netlink_sendmsg+0x7b0/0xcb0 [ 290.642937] ? netlink_unicast+0x6b0/0x6b0 [ 290.647393] ? selinux_socket_sendmsg+0x31/0x40 [ 290.652065] ? netlink_unicast+0x6b0/0x6b0 [ 290.656616] sock_sendmsg+0xe6/0x110 [ 290.660350] ____sys_sendmsg+0x603/0x980 [ 290.664748] ? copy_msghdr_from_user+0x209/0x420 [ 290.669958] ? kernel_sendmsg+0x30/0x30 [ 290.673944] ___sys_sendmsg+0xe4/0x160 [ 290.678055] ? sendmsg_copy_msghdr+0x30/0x30 [ 290.682812] ? __kasan_check_read+0x11/0x20 [ 290.687364] ? __fget+0x2ac/0x410 [ 290.690826] ? ksys_dup3+0x2e0/0x2e0 [ 290.694540] ? __fget_light+0x179/0x1f0 [ 290.698813] ? __fdget+0xe/0x10 [ 290.702184] __sys_sendmsg+0xd9/0x180 [ 290.706216] ? __sys_sendmsg_sock+0xa0/0xa0 [ 290.710543] ? __fd_install+0x174/0x4b0 [ 290.714512] ? fd_install+0x47/0x60 [ 290.719186] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.724559] __x64_sys_sendmsg+0x73/0xb0 [ 290.729021] do_syscall_64+0xd0/0x600 [ 290.732825] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.738348] RIP: 0033:0x411231 [ 290.741537] Code: 01 4c 89 54 24 28 e9 6f fa ff ff 49 8b 7c 24 70 8b 35 43 c4 24 00 ff 15 ed 83 24 00 85 c0 0f 85 b3 fe ff ff 49 8b 7c 24 70 be <20> 13 41 00 ff 15 dd 83 24 00 85 c0 0f 85 9b fe ff ff 49 8b 7c 24 [ 290.761245] RSP: 002b:00007f2f99f7f9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 290.769199] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 [ 290.776761] RDX: 0000000000000000 RSI: 00007f2f99f7fa00 RDI: 0000000000000006 [ 290.784029] RBP: 0000000000000006 R08: 00007f2f99f7f9d0 R09: 000000000072bfa0 [ 290.791549] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2f99f7fa40 [ 290.799100] R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff [ 290.806872] INFO: task syz-executor5:25516 blocked for more than 143 seconds. [ 290.814165] Not tainted 5.5.0-rc2-syzkaller #0 [ 290.819597] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 290.827841] syz-executor5 D27632 25516 6171 0x00004004 [ 290.833492] Call Trace: [ 290.836327] __schedule+0x856/0x1910 [ 290.840044] ? __sched_text_start+0x8/0x8 [ 290.844194] schedule+0xc3/0x2b0 [ 290.848575] schedule_preempt_disabled+0x13/0x20 [ 290.853331] __mutex_lock+0x8b5/0x1410 [ 290.857436] ? ctrl_getfamily+0x2c0/0x400 [ 290.861602] ? mutex_lock_io_nested+0x1280/0x1280 [ 290.866673] ? lock_acquire+0x194/0x410 [ 290.870643] ? ctrl_getfamily+0x2b2/0x400 [ 290.874790] ? down_read_killable+0x470/0x470 [ 290.879522] mutex_lock_nested+0x16/0x20 [ 290.883601] ? mutex_lock_nested+0x16/0x20 [ 290.888075] ctrl_getfamily+0x2c0/0x400 [ 290.892054] genl_rcv_msg+0x5e1/0x10f0 [ 290.896160] ? __kasan_check_read+0x11/0x20 [ 290.900481] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 290.906477] netlink_rcv_skb+0x13f/0x380 [ 290.910542] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 290.916393] ? netlink_ack+0x980/0x980 [ 290.920281] ? netlink_deliver_tap+0x178/0xac0 [ 290.924858] ? __kasan_check_read+0x11/0x20 [ 290.929420] genl_rcv+0x23/0x40 [ 290.932706] netlink_unicast+0x463/0x6b0 [ 290.936980] ? netlink_attachskb+0x740/0x740 [ 290.941501] ? _copy_from_iter_full+0x18a/0x780 [ 290.946515] netlink_sendmsg+0x7b0/0xcb0 [ 290.951108] ? netlink_unicast+0x6b0/0x6b0 [ 290.955429] ? selinux_socket_sendmsg+0x31/0x40 [ 290.960434] ? netlink_unicast+0x6b0/0x6b0 [ 290.964675] sock_sendmsg+0xe6/0x110 [ 290.968624] ____sys_sendmsg+0x603/0x980 [ 290.972686] ? copy_msghdr_from_user+0x209/0x420 [ 290.978444] ? kernel_sendmsg+0x30/0x30 [ 290.982470] ___sys_sendmsg+0xe4/0x160 [ 290.986794] ? sendmsg_copy_msghdr+0x30/0x30 [ 290.991335] ? __kasan_check_read+0x11/0x20 [ 290.995996] ? __fget+0x2ac/0x410 [ 290.999583] ? ksys_dup3+0x2e0/0x2e0 [ 291.003323] ? __fget_light+0x179/0x1f0 [ 291.007663] ? __fdget+0xe/0x10 [ 291.011040] __sys_sendmsg+0xd9/0x180 [ 291.014855] ? __sys_sendmsg_sock+0xa0/0xa0 [ 291.019547] ? __fd_install+0x174/0x4b0 [ 291.023548] ? fd_install+0x47/0x60 [ 291.027599] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.033000] __x64_sys_sendmsg+0x73/0xb0 [ 291.037404] do_syscall_64+0xd0/0x600 [ 291.041237] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.046780] RIP: 0033:0x411231 [ 291.049997] Code: 01 4c 89 54 24 28 e9 6f fa ff ff 49 8b 7c 24 70 8b 35 43 c4 24 00 ff 15 ed 83 24 00 85 c0 0f 85 b3 fe ff ff 49 8b 7c 24 70 be <20> 13 41 00 ff 15 dd 83 24 00 85 c0 0f 85 9b fe ff ff 49 8b 7c 24 [ 291.069583] RSP: 002b:00007f8b787279c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 291.077659] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 [ 291.084936] RDX: 0000000000000000 RSI: 00007f8b78727a00 RDI: 0000000000000007 [ 291.092595] RBP: 0000000000000007 R08: 00007f8b787279d0 R09: 000000000072bf00 [ 291.100232] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f8b78727a40 [ 291.108560] R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff [ 291.116278] INFO: task syz-executor4:25528 blocked for more than 144 seconds. [ 291.123570] Not tainted 5.5.0-rc2-syzkaller #0 [ 291.129013] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.137257] syz-executor4 D27648 25528 6178 0x00004004 [ 291.142905] Call Trace: [ 291.145500] __schedule+0x856/0x1910 [ 291.149554] ? __sched_text_start+0x8/0x8 [ 291.153736] schedule+0xc3/0x2b0 [ 291.157467] schedule_preempt_disabled+0x13/0x20 [ 291.162234] __mutex_lock+0x8b5/0x1410 [ 291.166372] ? ctrl_getfamily+0x2c0/0x400 [ 291.170548] ? mutex_lock_io_nested+0x1280/0x1280 [ 291.175406] ? lock_acquire+0x194/0x410 [ 291.179736] ? ctrl_getfamily+0x2b2/0x400 [ 291.183899] ? down_read_killable+0x470/0x470 [ 291.188866] mutex_lock_nested+0x16/0x20 [ 291.193087] ? mutex_lock_nested+0x16/0x20 [ 291.197680] ctrl_getfamily+0x2c0/0x400 [ 291.201680] genl_rcv_msg+0x5e1/0x10f0 [ 291.205916] ? __kasan_check_read+0x11/0x20 [ 291.210343] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 291.216402] netlink_rcv_skb+0x13f/0x380 [ 291.220661] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 291.226610] ? netlink_ack+0x980/0x980 [ 291.230501] ? netlink_deliver_tap+0x178/0xac0 [ 291.235075] ? __kasan_check_read+0x11/0x20 [ 291.240437] genl_rcv+0x23/0x40 [ 291.243717] netlink_unicast+0x463/0x6b0 [ 291.248008] ? netlink_attachskb+0x740/0x740 [ 291.252502] ? _copy_from_iter_full+0x18a/0x780 [ 291.257420] netlink_sendmsg+0x7b0/0xcb0 [ 291.261513] ? netlink_unicast+0x6b0/0x6b0 [ 291.265967] ? selinux_socket_sendmsg+0x31/0x40 [ 291.270633] ? netlink_unicast+0x6b0/0x6b0 [ 291.274859] sock_sendmsg+0xe6/0x110 [ 291.278923] ____sys_sendmsg+0x603/0x980 [ 291.282979] ? copy_msghdr_from_user+0x209/0x420 [ 291.287972] ? kernel_sendmsg+0x30/0x30 [ 291.292040] ___sys_sendmsg+0xe4/0x160 [ 291.296154] ? sendmsg_copy_msghdr+0x30/0x30 [ 291.300570] ? __kasan_check_read+0x11/0x20 [ 291.304888] ? __fget+0x2ac/0x410 [ 291.308572] ? ksys_dup3+0x2e0/0x2e0 [ 291.312290] ? __fget_light+0x179/0x1f0 [ 291.316502] ? __fdget+0xe/0x10 [ 291.319793] __sys_sendmsg+0xd9/0x180 [ 291.323583] ? __sys_sendmsg_sock+0xa0/0xa0 [ 291.328132] ? __fd_install+0x174/0x4b0 [ 291.332114] ? fd_install+0x47/0x60 [ 291.335964] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.341339] __x64_sys_sendmsg+0x73/0xb0 [ 291.345914] do_syscall_64+0xd0/0x600 [ 291.349738] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.354937] RIP: 0033:0x411231 [ 291.358496] Code: 01 4c 89 54 24 28 e9 6f fa ff ff 49 8b 7c 24 70 8b 35 43 c4 24 00 ff 15 ed 83 24 00 85 c0 0f 85 b3 fe ff ff 49 8b 7c 24 70 be <20> 13 41 00 ff 15 dd 83 24 00 85 c0 0f 85 9b fe ff ff 49 8b 7c 24 [ 291.378457] RSP: 002b:00007fc2764f09c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 291.386431] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 [ 291.393702] RDX: 0000000000000000 RSI: 00007fc2764f0a00 RDI: 0000000000000005 [ 291.401201] RBP: 0000000000000005 R08: 00007fc2764f09d0 R09: 000000000072bf00 [ 291.408712] R10: ffffffffffffffff R11: 0000000000000293 R12: 00007fc2764f0a40 [ 291.416208] R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff [ 291.423498] INFO: task syz-executor4:25544 blocked for more than 144 seconds. [ 291.430990] Not tainted 5.5.0-rc2-syzkaller #0 [ 291.436263] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.444224] syz-executor4 D28536 25544 6178 0x00000004 [ 291.450088] Call Trace: [ 291.452677] __schedule+0x856/0x1910 [ 291.456607] ? __sched_text_start+0x8/0x8 [ 291.460761] schedule+0xc3/0x2b0 [ 291.464134] schedule_preempt_disabled+0x13/0x20 [ 291.469216] __mutex_lock+0x8b5/0x1410 [ 291.473118] ? genl_rcv_msg+0x66e/0x10f0 [ 291.477467] ? mutex_lock_io_nested+0x1280/0x1280 [ 291.482315] ? __kasan_check_read+0x11/0x20 [ 291.486898] ? mark_lock+0xc5/0x11d0 [ 291.490690] ? stack_trace_consume_entry+0x170/0x170 [ 291.496143] ? __kmalloc_reserve.isra.46+0x2c/0xc0 [ 291.501081] mutex_lock_nested+0x16/0x20 [ 291.505135] ? mutex_lock_nested+0x16/0x20 [ 291.510465] genl_rcv_msg+0x66e/0x10f0 [ 291.514379] ? __kasan_check_read+0x11/0x20 [ 291.519053] ? __lock_acquire+0x100f/0x4ef0 [ 291.523409] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 291.529294] ? mark_held_locks+0x130/0x130 [ 291.533547] netlink_rcv_skb+0x13f/0x380 [ 291.537841] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 291.543563] ? netlink_ack+0x980/0x980 [ 291.547680] ? netlink_deliver_tap+0x178/0xac0 [ 291.552268] ? __kasan_check_read+0x11/0x20 [ 291.556826] genl_rcv+0x23/0x40 [ 291.560104] netlink_unicast+0x463/0x6b0 [ 291.564162] ? netlink_attachskb+0x740/0x740 [ 291.568978] ? _copy_from_iter_full+0x18a/0x780 [ 291.573658] netlink_sendmsg+0x7b0/0xcb0 [ 291.577961] ? netlink_unicast+0x6b0/0x6b0 [ 291.582197] ? selinux_socket_sendmsg+0x31/0x40 [ 291.587139] ? netlink_unicast+0x6b0/0x6b0 [ 291.591372] sock_sendmsg+0xe6/0x110 [ 291.595080] ____sys_sendmsg+0x603/0x980 [ 291.599371] ? copy_msghdr_from_user+0x209/0x420 [ 291.604131] ? kernel_sendmsg+0x30/0x30 [ 291.608339] ___sys_sendmsg+0xe4/0x160 [ 291.612229] ? sendmsg_copy_msghdr+0x30/0x30 [ 291.616852] ? __kasan_check_read+0x11/0x20 [ 291.621181] ? __fget+0x2ac/0x410 [ 291.624804] ? ksys_dup3+0x2e0/0x2e0 [ 291.628955] ? __fget_light+0x179/0x1f0 [ 291.633060] ? __fdget+0xe/0x10 [ 291.637576] __sys_sendmsg+0xd9/0x180 [ 291.641475] ? __sys_sendmsg_sock+0xa0/0xa0 [ 291.647935] ? __fd_install+0x174/0x4b0 [ 291.652077] ? fd_install+0x47/0x60 [ 291.656190] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.661652] __x64_sys_sendmsg+0x73/0xb0 [ 291.665962] do_syscall_64+0xd0/0x600 [ 291.669768] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.674951] RIP: 0033:0x411231 [ 291.678396] Code: 01 4c 89 54 24 28 e9 6f fa ff ff 49 8b 7c 24 70 8b 35 43 c4 24 00 ff 15 ed 83 24 00 85 c0 0f 85 b3 fe ff ff 49 8b 7c 24 70 be <20> 13 41 00 ff 15 dd 83 24 00 85 c0 0f 85 9b fe ff ff 49 8b 7c 24 [ 291.697641] RSP: 002b:00007fc2764cf9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 291.705366] RAX: ffffffffffffffda RBX: 00007fc2764cfa58 RCX: 0000000000411231 [ 291.712931] RDX: 0000000000000000 RSI: 00007fc2764cfa00 RDI: 0000000000000006 [ 291.720457] RBP: 0000000000000006 R08: 000000000000000b R09: 0000000000000000 [ 291.727964] R10: ffffffffffffffff R11: 0000000000000293 R12: 00007fc2764cfa40 [ 291.735240] R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff [ 291.743023] INFO: task syz-executor2:25543 blocked for more than 144 seconds. [ 291.750625] Not tainted 5.5.0-rc2-syzkaller #0 [ 291.755929] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.763896] syz-executor2 D28536 25543 6166 0x00000004 [ 291.770568] Call Trace: [ 291.773161] __schedule+0x856/0x1910 [ 291.777122] ? __sched_text_start+0x8/0x8 [ 291.781278] schedule+0xc3/0x2b0 [ 291.784638] schedule_preempt_disabled+0x13/0x20 [ 291.789989] __mutex_lock+0x8b5/0x1410 [ 291.793887] ? genl_rcv_msg+0x66e/0x10f0 [ 291.798201] ? mutex_lock_io_nested+0x1280/0x1280 [ 291.803047] ? __kasan_check_read+0x11/0x20 [ 291.807598] ? mark_lock+0xc5/0x11d0 [ 291.811315] ? stack_trace_consume_entry+0x170/0x170 [ 291.816641] ? __kmalloc_reserve.isra.46+0x2c/0xc0 [ 291.821573] mutex_lock_nested+0x16/0x20 [ 291.825845] ? mutex_lock_nested+0x16/0x20 [ 291.830076] genl_rcv_msg+0x66e/0x10f0 [ 291.833958] ? __kasan_check_read+0x11/0x20 [ 291.838514] ? __lock_acquire+0x100f/0x4ef0 [ 291.842838] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 291.849291] ? mark_held_locks+0x130/0x130 [ 291.853534] netlink_rcv_skb+0x13f/0x380 [ 291.857813] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 291.863455] ? netlink_ack+0x980/0x980 [ 291.867560] ? netlink_deliver_tap+0x178/0xac0 [ 291.872142] ? __kasan_check_read+0x11/0x20 [ 291.876715] genl_rcv+0x23/0x40 [ 291.880000] netlink_unicast+0x463/0x6b0 [ 291.884057] ? netlink_attachskb+0x740/0x740 [ 291.888872] ? _copy_from_iter_full+0x18a/0x780 [ 291.893550] netlink_sendmsg+0x7b0/0xcb0 [ 291.898641] ? netlink_unicast+0x6b0/0x6b0 [ 291.902884] ? selinux_socket_sendmsg+0x31/0x40 [ 291.907772] ? netlink_unicast+0x6b0/0x6b0 [ 291.912033] sock_sendmsg+0xe6/0x110 [ 291.915987] ____sys_sendmsg+0x603/0x980 [ 291.920048] ? copy_msghdr_from_user+0x209/0x420 [ 291.924803] ? kernel_sendmsg+0x30/0x30 [ 291.929047] ___sys_sendmsg+0xe4/0x160 [ 291.932936] ? sendmsg_copy_msghdr+0x30/0x30 [ 291.937669] ? __kasan_check_read+0x11/0x20 [ 291.941996] ? __fget+0x2ac/0x410 [ 291.945455] ? ksys_dup3+0x2e0/0x2e0 [ 291.949497] ? __fget_light+0x179/0x1f0 [ 291.953486] ? __fdget+0xe/0x10 [ 291.957006] __sys_sendmsg+0xd9/0x180 [ 291.960803] ? __sys_sendmsg_sock+0xa0/0xa0 [ 291.965121] ? __fd_install+0x174/0x4b0 [ 291.969396] ? fd_install+0x47/0x60 [ 291.973031] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.978688] __x64_sys_sendmsg+0x73/0xb0 [ 291.982884] do_syscall_64+0xd0/0x600 [ 291.987027] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 291.992222] RIP: 0033:0x411231 [ 291.995412] Code: 01 4c 89 54 24 28 e9 6f fa ff ff 49 8b 7c 24 70 8b 35 43 c4 24 00 ff 15 ed 83 24 00 85 c0 0f 85 b3 fe ff ff 49 8b 7c 24 70 be <20> 13 41 00 ff 15 dd 83 24 00 85 c0 0f 85 9b fe ff ff 49 8b 7c 24 [ 292.014647] RSP: 002b:00007fda9596c9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 292.022706] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 [ 292.031044] RDX: 0000000000000000 RSI: 00007fda9596ca00 RDI: 0000000000000005 [ 292.038544] RBP: 0000000000000005 R08: 00007fda9596c9d0 R09: 000000000072bf00 [ 292.046032] R10: 0000000000000000 R11: 0000000000000293 R12: 00007fda9596ca40 [ 292.053297] R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff [ 292.060849] INFO: task syz-executor2:25548 blocked for more than 145 seconds. [ 292.068571] Not tainted 5.5.0-rc2-syzkaller #0 [ 292.073780] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 292.082042] syz-executor2 D28536 25548 6166 0x00004004 [ 292.087915] Call Trace: [ 292.090503] __schedule+0x856/0x1910 [ 292.094225] ? __sched_text_start+0x8/0x8 [ 292.098611] schedule+0xc3/0x2b0 [ 292.101975] schedule_preempt_disabled+0x13/0x20 [ 292.107067] __mutex_lock+0x8b5/0x1410 [ 292.110960] ? genl_rcv_msg+0x66e/0x10f0 [ 292.115043] ? mutex_lock_io_nested+0x1280/0x1280 [ 292.120143] ? __kasan_check_read+0x11/0x20 [ 292.124463] ? mark_lock+0xc5/0x11d0 [ 292.128422] ? stack_trace_consume_entry+0x170/0x170 [ 292.133525] ? __kmalloc_reserve.isra.46+0x2c/0xc0 [ 292.138724] mutex_lock_nested+0x16/0x20 [ 292.142783] ? mutex_lock_nested+0x16/0x20 [ 292.147244] genl_rcv_msg+0x66e/0x10f0 [ 292.151131] ? __kasan_check_read+0x11/0x20 [ 292.155449] ? __lock_acquire+0x100f/0x4ef0 [ 292.160856] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 292.166719] ? mark_held_locks+0x130/0x130 [ 292.170969] netlink_rcv_skb+0x13f/0x380 [ 292.175052] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 292.181108] ? netlink_ack+0x980/0x980 [ 292.185018] ? netlink_deliver_tap+0x178/0xac0 [ 292.189986] ? __kasan_check_read+0x11/0x20 [ 292.194406] genl_rcv+0x23/0x40 [ 292.197915] netlink_unicast+0x463/0x6b0 [ 292.202119] ? netlink_attachskb+0x740/0x740 [ 292.206915] ? _copy_from_iter_full+0x18a/0x780 [ 292.211601] netlink_sendmsg+0x7b0/0xcb0 [ 292.215898] ? netlink_unicast+0x6b0/0x6b0 [ 292.220139] ? selinux_socket_sendmsg+0x31/0x40 [ 292.224802] ? netlink_unicast+0x6b0/0x6b0 [ 292.229378] sock_sendmsg+0xe6/0x110 [ 292.233126] ____sys_sendmsg+0x603/0x980 [ 292.237468] ? copy_msghdr_from_user+0x209/0x420 [ 292.242224] ? kernel_sendmsg+0x30/0x30 [ 292.246435] ___sys_sendmsg+0xe4/0x160 [ 292.250320] ? sendmsg_copy_msghdr+0x30/0x30 [ 292.254727] ? __kasan_check_read+0x11/0x20 [ 292.259319] ? __fget+0x2ac/0x410 [ 292.262775] ? ksys_dup3+0x2e0/0x2e0 [ 292.266717] ? __fget_light+0x179/0x1f0 [ 292.270690] ? __fdget+0xe/0x10 [ 292.273966] __sys_sendmsg+0xd9/0x180 [ 292.278044] ? __sys_sendmsg_sock+0xa0/0xa0 [ 292.282377] ? __fd_install+0x174/0x4b0 [ 292.287368] ? fd_install+0x47/0x60 [ 292.291005] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.296605] __x64_sys_sendmsg+0x73/0xb0 [ 292.300664] do_syscall_64+0xd0/0x600 [ 292.304462] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.309917] RIP: 0033:0x411231 [ 292.313107] Code: 01 4c 89 54 24 28 e9 6f fa ff ff 49 8b 7c 24 70 8b 35 43 c4 24 00 ff 15 ed 83 24 00 85 c0 0f 85 b3 fe ff ff 49 8b 7c 24 70 be <20> 13 41 00 ff 15 dd 83 24 00 85 c0 0f 85 9b fe ff ff 49 8b 7c 24 [ 292.332313] RSP: 002b:00007fda9594b9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 292.340235] RAX: ffffffffffffffda RBX: 00007fda9594ba58 RCX: 0000000000411231 [ 292.347964] RDX: 0000000000000000 RSI: 00007fda9594ba00 RDI: 0000000000000006 [ 292.355245] RBP: 0000000000000006 R08: 000000000000000b R09: 0000000000000000 [ 292.362792] R10: ffffffffffffffff R11: 0000000000000293 R12: 00007fda9594ba40 [ 292.370341] R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff [ 292.377956] INFO: task syz-executor0:25547 blocked for more than 145 seconds. [ 292.385232] Not tainted 5.5.0-rc2-syzkaller #0 [ 292.390576] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 292.398758] syz-executor0 D28536 25547 6177 0x00000004 [ 292.404390] Call Trace: [ 292.407222] __schedule+0x856/0x1910 [ 292.410959] ? __sched_text_start+0x8/0x8 [ 292.415131] schedule+0xc3/0x2b0 [ 292.419741] schedule_preempt_disabled+0x13/0x20 [ 292.424508] __mutex_lock+0x8b5/0x1410 [ 292.428769] ? genl_rcv_msg+0x66e/0x10f0 [ 292.432863] ? mutex_lock_io_nested+0x1280/0x1280 [ 292.438052] ? __kasan_check_read+0x11/0x20 [ 292.442378] ? mark_lock+0xc5/0x11d0 [ 292.446330] ? stack_trace_consume_entry+0x170/0x170 [ 292.451434] ? __kmalloc_reserve.isra.46+0x2c/0xc0 [ 292.456670] mutex_lock_nested+0x16/0x20 [ 292.460730] ? mutex_lock_nested+0x16/0x20 [ 292.464970] genl_rcv_msg+0x66e/0x10f0 [ 292.469101] ? __kasan_check_read+0x11/0x20 [ 292.473419] ? __lock_acquire+0x100f/0x4ef0 [ 292.478058] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 292.483692] ? mark_held_locks+0x130/0x130 [ 292.488171] netlink_rcv_skb+0x13f/0x380 [ 292.492249] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 292.498149] ? netlink_ack+0x980/0x980 [ 292.502036] ? netlink_deliver_tap+0x178/0xac0 [ 292.506855] ? __kasan_check_read+0x11/0x20 [ 292.511183] genl_rcv+0x23/0x40 [ 292.514452] netlink_unicast+0x463/0x6b0 [ 292.518774] ? netlink_attachskb+0x740/0x740 [ 292.523177] ? _copy_from_iter_full+0x18a/0x780 [ 292.528063] netlink_sendmsg+0x7b0/0xcb0 [ 292.532126] ? netlink_unicast+0x6b0/0x6b0 [ 292.536580] ? selinux_socket_sendmsg+0x31/0x40 [ 292.541249] ? netlink_unicast+0x6b0/0x6b0 [ 292.545474] sock_sendmsg+0xe6/0x110 [ 292.550234] ____sys_sendmsg+0x603/0x980 [ 292.554362] ? copy_msghdr_from_user+0x209/0x420 [ 292.559372] ? kernel_sendmsg+0x30/0x30 [ 292.563354] ___sys_sendmsg+0xe4/0x160 [ 292.567447] ? sendmsg_copy_msghdr+0x30/0x30 [ 292.571858] ? __kasan_check_read+0x11/0x20 [ 292.576416] ? __fget+0x2ac/0x410 [ 292.579872] ? ksys_dup3+0x2e0/0x2e0 [ 292.583588] ? __fget_light+0x179/0x1f0 [ 292.587794] ? __fdget+0xe/0x10 [ 292.591073] __sys_sendmsg+0xd9/0x180 [ 292.594863] ? __sys_sendmsg_sock+0xa0/0xa0 [ 292.599410] ? __fd_install+0x174/0x4b0 [ 292.603385] ? fd_install+0x47/0x60 [ 292.607232] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.612598] __x64_sys_sendmsg+0x73/0xb0 [ 292.616899] do_syscall_64+0xd0/0x600 [ 292.620699] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.626162] RIP: 0033:0x411231 [ 292.629349] Code: 01 4c 89 54 24 28 e9 6f fa ff ff 49 8b 7c 24 70 8b 35 43 c4 24 00 ff 15 ed 83 24 00 85 c0 0f 85 b3 fe ff ff 49 8b 7c 24 70 be <20> 13 41 00 ff 15 dd 83 24 00 85 c0 0f 85 9b fe ff ff 49 8b 7c 24 [ 292.648587] RSP: 002b:00007eff5e8879c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 292.656507] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 [ 292.663797] RDX: 0000000000000000 RSI: 00007eff5e887a00 RDI: 0000000000000005 [ 292.671403] RBP: 0000000000000005 R08: 00007eff5e8879d0 R09: 000000000072bf00 [ 292.679663] R10: 0000000000000000 R11: 0000000000000293 R12: 00007eff5e887a40 [ 292.687152] R13: 00000000004cc538 R14: 00000000004d9a08 R15: 00000000ffffffff [ 292.695057] INFO: task syz-executor0:25550 blocked for more than 145 seconds. [ 292.702622] Not tainted 5.5.0-rc2-syzkaller #0 [ 292.707924] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 292.716080] syz-executor0 D28536 25550 6177 0x00004004 [ 292.721736] Call Trace: [ 292.724323] __schedule+0x856/0x1910 [ 292.728287] ? __sched_text_start+0x8/0x8 [ 292.732441] schedule+0xc3/0x2b0 [ 292.736074] schedule_preempt_disabled+0x13/0x20 [ 292.740829] __mutex_lock+0x8b5/0x1410 [ 292.744720] ? genl_rcv_msg+0x66e/0x10f0 [ 292.749162] ? mutex_lock_io_nested+0x1280/0x1280 [ 292.754027] ? __kasan_check_read+0x11/0x20 [ 292.758630] ? mark_lock+0xc5/0x11d0 [ 292.762370] ? stack_trace_consume_entry+0x170/0x170 [ 292.767700] ? __kmalloc_reserve.isra.46+0x2c/0xc0 [ 292.772633] mutex_lock_nested+0x16/0x20 [ 292.776905] ? mutex_lock_nested+0x16/0x20 [ 292.781136] genl_rcv_msg+0x66e/0x10f0 [ 292.785016] ? __kasan_check_read+0x11/0x20 [ 292.789604] ? __lock_acquire+0x100f/0x4ef0 [ 292.793926] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 292.799796] ? mark_held_locks+0x130/0x130 [ 292.804216] netlink_rcv_skb+0x13f/0x380 [ 292.809282] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 292.814907] ? netlink_ack+0x980/0x980 [ 292.819051] ? netlink_deliver_tap+0x178/0xac0 [ 292.823642] ? __kasan_check_read+0x11/0x20 [ 292.828213] genl_rcv+0x23/0x40 [ 292.831510] netlink_unicast+0x463/0x6b0 [ 292.835791] ? netlink_attachskb+0x740/0x740 [ 292.840218] ? _copy_from_iter_full+0x18a/0x780 [ 292.844885] netlink_sendmsg+0x7b0/0xcb0 [ 292.849180] ? netlink_unicast+0x6b0/0x6b0 [ 292.853413] ? selinux_socket_sendmsg+0x31/0x40 [ 292.858298] ? netlink_unicast+0x6b0/0x6b0 [ 292.862532] sock_sendmsg+0xe6/0x110 [ 292.866469] ____sys_sendmsg+0x603/0x980 [ 292.870529] ? copy_msghdr_from_user+0x209/0x420 [ 292.875280] ? kernel_sendmsg+0x30/0x30 [ 292.879595] ___sys_sendmsg+0xe4/0x160 [ 292.883483] ? sendmsg_copy_msghdr+0x30/0x30 [ 292.888132] ? __kasan_check_read+0x11/0x20 [ 292.892471] ? __fget+0x2ac/0x410 [ 292.896153] ? ksys_dup3+0x2e0/0x2e0 [ 292.899871] ? __fget_light+0x179/0x1f0 [ 292.903837] ? __fdget+0xe/0x10 [ 292.907366] __sys_sendmsg+0xd9/0x180 [ 292.911167] ? __sys_sendmsg_sock+0xa0/0xa0 [ 292.915484] ? __fd_install+0x174/0x4b0 [ 292.919753] ? fd_install+0x47/0x60 [ 292.923388] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.928989] __x64_sys_sendmsg+0x73/0xb0 [ 292.933051] do_syscall_64+0xd0/0x600 [ 292.937870] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.943076] RIP: 0033:0x411231 [ 292.946506] Code: 01 4c 89 54 24 28 e9 6f fa ff ff 49 8b 7c 24 70 8b 35 43 c4 24 00 ff 15 ed 83 24 00 85 c0 0f 85 b3 fe ff ff 49 8b 7c 24 70 be <20> 13 41 00 ff 15 dd 83 24 00 85 c0 0f 85 9b fe ff ff 49 8b 7c 24 [ 292.965752] RSP: 002b:00007eff5e8669c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e [ 292.973476] RAX: ffffffffffffffda RBX: 00007eff5e866a58 RCX: 0000000000411231 [ 292.981137] RDX: 0000000000000000 RSI: 00007eff5e866a00 RDI: 0000000000000006 [ 292.988722] RBP: 0000000000000006 R08: 000000000000000b R09: 0000000000000000 [ 292.996307] R10: ffffffffffffffff R11: 0000000000000293 R12: 00007eff5e866a40 [ 293.003586] R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff [ 293.011130] [ 293.011130] Showing all locks held in the system: [ 293.017671] 1 lock held by khungtaskd/965: [ 293.021907] #0: ffffffff8839bc40 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x275 [ 293.030898] 1 lock held by rsyslogd/5923: [ 293.035074] #0: ffff8881c442b860 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa3/0xc0 [ 293.043196] 2 locks held by getty/6045: [ 293.047383] #0: ffff8881cdb30090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 293.055854] #1: ffffc90004cb12e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 293.064762] 2 locks held by getty/6046: [ 293.069763] #0: ffff8881baf5d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 293.078244] #1: ffffc90004cb92e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 293.087313] 2 locks held by getty/6047: [ 293.091293] #0: ffff8881bdfab090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 293.099788] #1: ffffc90004cd12e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 293.109917] 2 locks held by getty/6048: [ 293.113901] #0: ffff8881c2fde090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 293.122566] #1: ffffc90004cc12e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 293.131640] 2 locks held by getty/6049: [ 293.135878] #0: ffff8881bb045090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 293.144115] #1: ffffc90004cd92e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 293.153274] 2 locks held by getty/6050: [ 293.157460] #0: ffff8881bcebe090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 293.165907] #1: ffffc90004cc92e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 293.174752] 2 locks held by getty/6051: [ 293.179896] #0: ffff8881c6142090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 293.188551] #1: ffffc90004a292e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x17d0 [ 293.198536] 2 locks held by syz-executor3/25511: [ 293.203323] #0: ffffffff88d67668 (cb_lock){++++}, at: ctrl_getfamily+0x2b2/0x400 [ 293.211292] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: ctrl_getfamily+0x2c0/0x400 [ 293.219409] 2 locks held by syz-executor1/25532: [ 293.224156] #0: ffffffff88d67668 (cb_lock){++++}, at: ctrl_getfamily+0x2b2/0x400 [ 293.232083] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: ctrl_getfamily+0x2c0/0x400 [ 293.240193] 2 locks held by syz-executor5/25516: [ 293.244954] #0: ffffffff88d67668 (cb_lock){++++}, at: ctrl_getfamily+0x2b2/0x400 [ 293.252966] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: ctrl_getfamily+0x2c0/0x400 [ 293.261090] 3 locks held by syz-executor5/25539: [ 293.266273] 2 locks held by syz-executor4/25528: [ 293.271034] #0: ffffffff88d67668 (cb_lock){++++}, at: ctrl_getfamily+0x2b2/0x400 [ 293.278961] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: ctrl_getfamily+0x2c0/0x400 [ 293.287099] 2 locks held by syz-executor4/25544: [ 293.291848] #0: ffffffff88d67668 (cb_lock){++++}, at: genl_rcv+0x14/0x40 [ 293.299013] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: genl_rcv_msg+0x66e/0x10f0 [ 293.307053] 2 locks held by syz-executor4/25549: [ 293.311936] #0: ffffffff88d67668 (cb_lock){++++}, at: genl_rcv+0x14/0x40 [ 293.319259] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: genl_rcv_msg+0x66e/0x10f0 [ 293.328103] 2 locks held by syz-executor4/25553: [ 293.332856] #0: ffffffff88d67668 (cb_lock){++++}, at: genl_rcv+0x14/0x40 [ 293.340136] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: genl_rcv_msg+0x66e/0x10f0 [ 293.348445] 2 locks held by syz-executor2/25543: [ 293.353208] #0: ffffffff88d67668 (cb_lock){++++}, at: genl_rcv+0x14/0x40 [ 293.360516] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: genl_rcv_msg+0x66e/0x10f0 [ 293.368803] 2 locks held by syz-executor2/25548: [ 293.373575] #0: ffffffff88d67668 (cb_lock){++++}, at: genl_rcv+0x14/0x40 [ 293.380957] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: genl_rcv_msg+0x66e/0x10f0 [ 293.389142] 2 locks held by syz-executor2/25551: [ 293.393899] #0: ffffffff88d67668 (cb_lock){++++}, at: genl_rcv+0x14/0x40 [ 293.401262] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: genl_rcv_msg+0x66e/0x10f0 [ 293.409369] 2 locks held by syz-executor2/25555: [ 293.414273] #0: ffffffff88d67668 (cb_lock){++++}, at: genl_rcv+0x14/0x40 [ 293.421558] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: genl_rcv_msg+0x66e/0x10f0 [ 293.429759] 2 locks held by syz-executor0/25547: [ 293.434515] #0: ffffffff88d67668 (cb_lock){++++}, at: genl_rcv+0x14/0x40 [ 293.441821] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: genl_rcv_msg+0x66e/0x10f0 [ 293.450396] 2 locks held by syz-executor0/25550: [ 293.455174] #0: ffffffff88d67668 (cb_lock){++++}, at: genl_rcv+0x14/0x40 [ 293.463259] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: genl_rcv_msg+0x66e/0x10f0 [ 293.471432] 2 locks held by syz-executor0/25552: [ 293.476413] #0: ffffffff88d67668 (cb_lock){++++}, at: genl_rcv+0x14/0x40 [ 293.483384] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: genl_rcv_msg+0x66e/0x10f0 [ 293.491700] 2 locks held by syz-executor0/25557: [ 293.496759] #0: ffffffff88d67668 (cb_lock){++++}, at: genl_rcv+0x14/0x40 [ 293.503721] #1: ffffffff88d67720 (genl_mutex){+.+.}, at: genl_rcv_msg+0x66e/0x10f0 [ 293.511944] [ 293.513579] ============================================= [ 293.513579] [ 293.520837] NMI backtrace for cpu 1 [ 293.524580] CPU: 1 PID: 965 Comm: khungtaskd Not tainted 5.5.0-rc2-syzkaller #0 [ 293.532065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.541464] Call Trace: [ 293.544114] dump_stack+0x12d/0x187 [ 293.547761] nmi_cpu_backtrace.cold.7+0x4b/0x84 [ 293.552626] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 293.557841] nmi_trigger_cpumask_backtrace+0x18b/0x1b7 [ 293.563132] arch_trigger_cpumask_backtrace+0x14/0x20 [ 293.568394] watchdog+0x611/0xc50 [ 293.571882] kthread+0x334/0x3f0 [ 293.575257] ? hungtask_pm_notify+0x40/0x40 [ 293.579591] ? kthread_mod_delayed_work+0x190/0x190 [ 293.584607] ret_from_fork+0x3a/0x50 [ 293.589103] Sending NMI from CPU 1 to CPUs 0: [ 293.594072] NMI backtrace for cpu 0 [ 293.594075] CPU: 0 PID: 25539 Comm: syz-executor5 Not tainted 5.5.0-rc2-syzkaller #0 [ 293.594077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.594078] RIP: 0010:lock_acquire+0x9d/0x410 [ 293.594081] Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 34 03 00 00 48 83 3d 6b 85 e0 06 00 0f 84 c1 02 00 00 9c 58 <0f> 1f 44 00 00 48 c7 c7 20 df 32 88 48 89 45 c8 48 b8 00 00 00 00 [ 293.594082] RSP: 0018:ffff8881bcd4ec10 EFLAGS: 00000286 [ 293.594085] RAX: 0000000000000286 RBX: 0000000000000000 RCX: 0000000000000000 [ 293.594087] RDX: 1ffffffff1065be2 RSI: 0000000000000000 RDI: ffffffff8832df10 [ 293.594089] RBP: ffff8881bcd4ec58 R08: 0000000000000000 R09: 0000000000000000 [ 293.594090] R10: dffffc0000000000 R11: 1ffff110379a9d9b R12: 0000000000000000 [ 293.594091] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000 [ 293.594093] FS: 00007f8b786e6700(0000) GS:ffff8881db000000(0000) knlGS:0000000000000000 [ 293.594094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 293.594096] CR2: ffffffffff600400 CR3: 00000001b09e1000 CR4: 00000000001406f0 [ 293.594097] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 293.594099] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 293.594100] Call Trace: [ 293.594101] ? __kasan_check_read+0x11/0x20 [ 293.594102] tipc_sk_lookup+0xdd/0x8c0 [ 293.594103] ? tipc_sk_lookup+0xb2/0x8c0 [ 293.594105] ? __nla_validate_parse+0xa1/0x1d80 [ 293.594106] ? tipc_getname+0x5e0/0x5e0 [ 293.594107] ? nla_memcpy+0xa0/0xa0 [ 293.594108] tipc_nl_publ_dump+0x2df/0xca0 [ 293.594110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.594111] ? trace_hardirqs_on_caller+0x28/0x1a0 [ 293.594112] ? tipc_nl_sk_dump+0x20/0x20 [ 293.594113] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.594114] __tipc_nl_compat_dumpit.isra.11+0x327/0xc10 [ 293.594116] ? tipc_nl_compat_link_stat_dump+0x2080/0x2080 [ 293.594117] ? __nla_put+0x20/0x30 [ 293.594118] tipc_nl_compat_sk_dump+0x4ed/0x990 [ 293.594119] ? __tipc_nl_compat_dumpit.isra.11+0xc10/0xc10 [ 293.594121] ? tipc_nl_sk_dump+0x20/0x20 [ 293.594122] ? tipc_tlv_sprintf+0x2c0/0x2c0 [ 293.594123] ? memset+0x31/0x40 [ 293.594124] ? __nla_validate_parse+0xa1/0x1d80 [ 293.594125] ? rcu_read_lock_held+0x9c/0xb0 [ 293.594127] __tipc_nl_compat_dumpit.isra.11+0x44c/0xc10 [ 293.594128] ? tipc_nl_compat_link_stat_dump+0x2080/0x2080 [ 293.594129] tipc_nl_compat_dumpit+0x1e6/0x4c0 [ 293.594130] tipc_nl_compat_recv+0x45a/0xa70 [ 293.594131] ? tipc_nl_compat_doit+0x550/0x550 [ 293.594133] ? mark_lock+0xc5/0x11d0 [ 293.594134] ? tipc_dump_start+0x90/0x90 [ 293.594135] ? __tipc_nl_compat_dumpit.isra.11+0xc10/0xc10 [ 293.594136] ? __kasan_check_read+0x11/0x20 [ 293.594137] ? __lock_acquire+0x96a/0x4ef0 [ 293.594139] genl_rcv_msg+0x5e1/0x10f0 [ 293.594140] ? __kasan_check_read+0x11/0x20 [ 293.594141] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 293.594142] netlink_rcv_skb+0x13f/0x380 [ 293.594144] ? genl_family_rcv_msg_attrs_parse+0x340/0x340 [ 293.594145] ? netlink_ack+0x980/0x980 [ 293.594146] ? netlink_deliver_tap+0x178/0xac0 [ 293.594148] ? __kasan_check_read+0x11/0x20 [ 293.594149] genl_rcv+0x23/0x40 [ 293.594150] netlink_unicast+0x463/0x6b0 [ 293.594151] ? netlink_attachskb+0x740/0x740 [ 293.594152] ? _copy_from_iter_full+0x18a/0x780 [ 293.594153] netlink_sendmsg+0x7b0/0xcb0 [ 293.594154] ? netlink_unicast+0x6b0/0x6b0 [ 293.594156] ? selinux_socket_sendmsg+0x31/0x40 [ 293.594157] ? netlink_unicast+0x6b0/0x6b0 [ 293.594158] sock_sendmsg+0xe6/0x110 [ 293.594159] ____sys_sendmsg+0x603/0x980 [ 293.594160] ? copy_msghdr_from_user+0x209/0x420 [ 293.594162] ? kernel_sendmsg+0x30/0x30 [ 293.594163] ___sys_sendmsg+0xe4/0x160 [ 293.594164] ? sendmsg_copy_msghdr+0x30/0x30 [ 293.594165] ? __kasan_check_read+0x11/0x20 [ 293.594166] ? __fget+0x2ac/0x410 [ 293.594167] ? ksys_dup3+0x2e0/0x2e0 [ 293.594168] ? __might_fault+0xf1/0x1b0 [ 293.594170] ? __fget_light+0x179/0x1f0 [ 293.594171] ? lock_acquire+0x194/0x410 [ 293.594172] ? __fdget+0xe/0x10 [ 293.594173] __sys_sendmsg+0xd9/0x180 [ 293.594174] ? __sys_sendmsg_sock+0xa0/0xa0 [ 293.594175] ? __kasan_check_read+0x11/0x20 [ 293.594176] ? _copy_to_user+0xcb/0xf0 [ 293.594178] ? put_timespec64+0xa9/0x100 [ 293.594179] ? nsecs_to_jiffies+0x20/0x20 [ 293.594180] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.594181] __x64_sys_sendmsg+0x73/0xb0 [ 293.594182] do_syscall_64+0xd0/0x600 [ 293.594184] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.594185] RIP: 0033:0x4577a9 [ 293.594187] Code: fd b3 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 293.594189] RSP: 002b:00007f8b786e5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 293.594192] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004577a9 [ 293.594193] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000005 [ 293.594194] RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 [ 293.594196] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8b786e66d4 [ 293.594197] R13: 00000000004c4211 R14: 00000000004d70f8 R15: 00000000ffffffff [ 293.596903] Kernel panic - not syncing: hung_task: blocked tasks [ 294.103203] CPU: 1 PID: 965 Comm: khungtaskd Not tainted 5.5.0-rc2-syzkaller #0 [ 294.110641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.119999] Call Trace: [ 294.122591] dump_stack+0x12d/0x187 [ 294.126271] panic+0x22a/0x4f5 [ 294.129461] ? add_taint.cold.7+0x11/0x11 [ 294.133628] ? ___preempt_schedule+0x16/0x18 [ 294.138049] watchdog+0x622/0xc50 [ 294.141505] kthread+0x334/0x3f0 [ 294.144884] ? hungtask_pm_notify+0x40/0x40 [ 294.149197] ? kthread_mod_delayed_work+0x190/0x190 [ 294.154210] ret_from_fork+0x3a/0x50 [ 294.159619] Kernel Offset: disabled [ 294.163267] Rebooting in 86400 seconds..