IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 INFO: task syz-executor3:8382 blocked for more than 143 seconds. Not tainted 5.4.0-rc6+ #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor3 D27736 8382 5959 0x00004004 Call Trace: context_switch kernel/sched/core.c:3384 [inline] __schedule+0x8ca/0x19f0 kernel/sched/core.c:4069 schedule+0xc0/0x260 kernel/sched/core.c:4136 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4195 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8bf/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:901 genl_family_rcv_msg+0x5d5/0x1160 net/netlink/genetlink.c:629 genl_rcv_msg+0xa7/0x140 net/netlink/genetlink.c:654 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x75d/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:657 ___sys_sendmsg+0x658/0x980 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411231 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 RSP: 002b:00007f8b23fcd9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007f8b23fcda00 RDI: 0000000000000006 RBP: 0000000000000006 R08: 00007f8b23fcd9d0 R09: 000000000072bf00 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f8b23fcda40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff INFO: task syz-executor1:8384 blocked for more than 143 seconds. Not tainted 5.4.0-rc6+ #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D27736 8384 5962 0x00004004 Call Trace: context_switch kernel/sched/core.c:3384 [inline] __schedule+0x8ca/0x19f0 kernel/sched/core.c:4069 schedule+0xc0/0x260 kernel/sched/core.c:4136 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4195 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8bf/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:901 genl_family_rcv_msg+0x5d5/0x1160 net/netlink/genetlink.c:629 genl_rcv_msg+0xa7/0x140 net/netlink/genetlink.c:654 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x75d/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:657 ___sys_sendmsg+0x658/0x980 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411231 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 RSP: 002b:00007fa009c609c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007fa009c60a00 RDI: 0000000000000004 RBP: 0000000000000004 R08: 00007fa009c609d0 R09: 000000000072bf00 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa009c60a40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff INFO: task syz-executor1:8402 blocked for more than 144 seconds. Not tainted 5.4.0-rc6+ #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D26568 8402 5962 0x00004004 Call Trace: context_switch kernel/sched/core.c:3384 [inline] __schedule+0x8ca/0x19f0 kernel/sched/core.c:4069 schedule+0xc0/0x260 kernel/sched/core.c:4136 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4195 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8bf/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x75d/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:657 ___sys_sendmsg+0x658/0x980 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411231 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 RSP: 002b:00007fa009c3f9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007fa009c3fa00 RDI: 0000000000000007 RBP: 0000000000000007 R08: 00007fa009c3f9d0 R09: 000000000072bfa0 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa009c3fa40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff INFO: task syz-executor1:8417 blocked for more than 144 seconds. Not tainted 5.4.0-rc6+ #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D29008 8417 5962 0x00004004 Call Trace: context_switch kernel/sched/core.c:3384 [inline] __schedule+0x8ca/0x19f0 kernel/sched/core.c:4069 schedule+0xc0/0x260 kernel/sched/core.c:4136 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4195 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8bf/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x75d/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:657 ___sys_sendmsg+0x658/0x980 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411231 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 RSP: 002b:00007fa009c1e9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fa009c1ea58 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007fa009c1ea00 RDI: 0000000000000009 RBP: 0000000000000009 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa009c1ea40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff INFO: task syz-executor1:8418 blocked for more than 144 seconds. Not tainted 5.4.0-rc6+ #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D29008 8418 5962 0x00000004 Call Trace: context_switch kernel/sched/core.c:3384 [inline] __schedule+0x8ca/0x19f0 kernel/sched/core.c:4069 schedule+0xc0/0x260 kernel/sched/core.c:4136 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4195 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8bf/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x75d/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:657 ___sys_sendmsg+0x658/0x980 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4577a9 Code: Bad RIP value. RSP: 002b:00007fa009bfdc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004577a9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000006 RBP: 000000000072c0e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa009bfe6d4 R13: 00000000004c4211 R14: 00000000004d70f8 R15: 00000000ffffffff INFO: task syz-executor0:8390 blocked for more than 144 seconds. Not tainted 5.4.0-rc6+ #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D27736 8390 5958 0x00004004 Call Trace: context_switch kernel/sched/core.c:3384 [inline] __schedule+0x8ca/0x19f0 kernel/sched/core.c:4069 schedule+0xc0/0x260 kernel/sched/core.c:4136 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4195 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8bf/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:901 genl_family_rcv_msg+0x5d5/0x1160 net/netlink/genetlink.c:629 genl_rcv_msg+0xa7/0x140 net/netlink/genetlink.c:654 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x75d/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:657 ___sys_sendmsg+0x658/0x980 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411231 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 RSP: 002b:00007fd89bfd49c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007fd89bfd4a00 RDI: 0000000000000004 RBP: 0000000000000004 R08: 00007fd89bfd49d0 R09: 000000000072bf00 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd89bfd4a40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff INFO: task syz-executor0:8405 blocked for more than 145 seconds. Not tainted 5.4.0-rc6+ #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D29008 8405 5958 0x00000004 Call Trace: context_switch kernel/sched/core.c:3384 [inline] __schedule+0x8ca/0x19f0 kernel/sched/core.c:4069 schedule+0xc0/0x260 kernel/sched/core.c:4136 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4195 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8bf/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x75d/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:657 ___sys_sendmsg+0x658/0x980 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411231 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 RSP: 002b:00007fd89bfb39c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fd89bfb3a58 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007fd89bfb3a00 RDI: 0000000000000006 RBP: 0000000000000006 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd89bfb3a40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff INFO: task syz-executor0:8411 blocked for more than 145 seconds. Not tainted 5.4.0-rc6+ #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D28552 8411 5958 0x00004004 Call Trace: context_switch kernel/sched/core.c:3384 [inline] __schedule+0x8ca/0x19f0 kernel/sched/core.c:4069 schedule+0xc0/0x260 kernel/sched/core.c:4136 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4195 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8bf/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x75d/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:657 ___sys_sendmsg+0x658/0x980 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411231 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 RSP: 002b:00007fd89bf929c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007fd89bf92a00 RDI: 0000000000000008 RBP: 0000000000000008 R08: 00007fd89bf929d0 R09: 000000000072c040 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd89bf92a40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff INFO: task syz-executor0:8419 blocked for more than 145 seconds. Not tainted 5.4.0-rc6+ #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D28992 8419 5958 0x00004004 Call Trace: context_switch kernel/sched/core.c:3384 [inline] __schedule+0x8ca/0x19f0 kernel/sched/core.c:4069 schedule+0xc0/0x260 kernel/sched/core.c:4136 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4195 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8bf/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x75d/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:657 ___sys_sendmsg+0x658/0x980 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411231 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 RSP: 002b:00007fd89bf719c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fd89bf71a58 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007fd89bf71a00 RDI: 000000000000000a RBP: 000000000000000a R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fd89bf71a40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff INFO: task syz-executor4:8395 blocked for more than 146 seconds. Not tainted 5.4.0-rc6+ #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D29008 8395 5965 0x00004004 Call Trace: context_switch kernel/sched/core.c:3384 [inline] __schedule+0x8ca/0x19f0 kernel/sched/core.c:4069 schedule+0xc0/0x260 kernel/sched/core.c:4136 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4195 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x8bf/0x1410 kernel/locking/mutex.c:1103 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1118 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x75d/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:657 ___sys_sendmsg+0x658/0x980 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411231 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 RSP: 002b:00007f2bf78779c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000411231 RDX: 0000000000000000 RSI: 00007f2bf7877a00 RDI: 0000000000000004 RBP: 0000000000000004 R08: 00007f2bf78779d0 R09: 000000000072bf00 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f2bf7877a40 R13: 00000000004cc510 R14: 00000000004d99f0 R15: 00000000ffffffff Showing all locks held in the system: 1 lock held by khungtaskd/1045: #0: ffffffff883a3d00 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a kernel/locking/lockdep.c:5337 1 lock held by rsyslogd/5751: #0: ffff8881c07e5d60 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa3/0xc0 fs/file.c:801 2 locks held by getty/5842: #0: ffff8881c621e090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc90004c892e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 drivers/tty/n_tty.c:2156 2 locks held by getty/5843: #0: ffff8881b7f24090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc90004ca52e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 drivers/tty/n_tty.c:2156 2 locks held by getty/5844: #0: ffff8881d917b090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc90004c9d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 drivers/tty/n_tty.c:2156 2 locks held by getty/5845: #0: ffff8881d93f9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc90004c992e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 drivers/tty/n_tty.c:2156 2 locks held by getty/5846: #0: ffff8881d8955090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc90004ca92e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 drivers/tty/n_tty.c:2156 2 locks held by getty/5847: #0: ffff8881b7f07090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc90004c912e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 drivers/tty/n_tty.c:2156 2 locks held by getty/5848: #0: ffff8881c3f2c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 drivers/tty/tty_ldsem.c:340 #1: ffffc90004c712e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1930 drivers/tty/n_tty.c:2156 2 locks held by syz-executor3/8382: #0: ffffffff88d558c8 (cb_lock){++++}, at: ctrl_getfamily+0x2b2/0x400 net/netlink/genetlink.c:900 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:901 2 locks held by syz-executor3/8401: 2 locks held by syz-executor1/8384: #0: ffffffff88d558c8 (cb_lock){++++}, at: ctrl_getfamily+0x2b2/0x400 net/netlink/genetlink.c:900 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:901 2 locks held by syz-executor1/8402: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor1/8417: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor1/8418: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor0/8390: #0: ffffffff88d558c8 (cb_lock){++++}, at: ctrl_getfamily+0x2b2/0x400 net/netlink/genetlink.c:900 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: ctrl_getfamily+0x2c0/0x400 net/netlink/genetlink.c:901 2 locks held by syz-executor0/8405: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor0/8411: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor0/8419: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor4/8395: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor4/8406: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor4/8412: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor4/8422: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor2/8409: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor2/8413: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor2/8415: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor5/8410: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor5/8414: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor5/8416: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 2 locks held by syz-executor5/8424: #0: ffffffff88d558c8 (cb_lock){++++}, at: genl_rcv+0x14/0x40 net/netlink/genetlink.c:664 #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff88d55980 (genl_mutex){+.+.}, at: genl_rcv_msg+0x10e/0x140 net/netlink/genetlink.c:652 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1045 Comm: khungtaskd Not tainted 5.4.0-rc6+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x12d/0x187 lib/dump_stack.c:118 nmi_cpu_backtrace.cold.7+0x4b/0x84 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x18b/0x1b7 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline] watchdog+0x592/0xb70 kernel/hung_task.c:289 kthread+0x334/0x3f0 kernel/kthread.c:255 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 8401 Comm: syz-executor3 Not tainted 5.4.0-rc6+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:match_held_lock+0x75/0x5b0 kernel/locking/lockdep.c:4017 Code: ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 02 04 00 00 66 41 f7 44 24 22 f0 ff <0f> 84 a9 01 00 00 48 8d 7e 08 48 b8 00 00 00 00 00 fc ff df 48 89 RSP: 0018:ffff8881bd90ebd0 EFLAGS: 00000046 RAX: 0000000000000003 RBX: ffffed1037be55b2 RCX: ffff8881bdf2ad98 RDX: 0000000000000000 RSI: ffff8881d2421208 RDI: ffff8881bdf2ade2 RBP: ffff8881bd90ec00 R08: ffffed103b626ae5 R09: ffffed103b626ae5 R10: ffffed103b626ae4 R11: ffff8881db135723 R12: ffff8881bdf2adc0 R13: ffff8881bdf2a500 R14: 0000000000000001 R15: ffff8881bdf2adc0 FS: 00007f8b23fad700(0000) GS:ffff8881db100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 00000001c8b33000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lock_is_held kernel/locking/lockdep.c:4308 [inline] lock_is_held_type+0x1b4/0x300 kernel/locking/lockdep.c:4525 lock_is_held include/linux/lockdep.h:362 [inline] lockdep_rht_mutex_is_held.part.3+0x15/0x20 lib/rhashtable.c:49 lockdep_rht_mutex_is_held+0x4f/0x60 lib/rhashtable.c:50 __rhashtable_lookup include/linux/rhashtable.h:621 [inline] rhashtable_lookup include/linux/rhashtable.h:645 [inline] rhashtable_lookup_fast include/linux/rhashtable.h:671 [inline] tipc_sk_lookup+0x8a4/0x950 net/tipc/socket.c:2807 tipc_nl_publ_dump+0x1bc/0xcc0 net/tipc/socket.c:3616 __tipc_nl_compat_dumpit.isra.11+0x1e7/0x950 net/tipc/netlink_compat.c:207 tipc_nl_compat_publ_dump net/tipc/netlink_compat.c:1002 [inline] tipc_nl_compat_sk_dump+0x4ed/0x990 net/tipc/netlink_compat.c:1054 __tipc_nl_compat_dumpit.isra.11+0x2bf/0x950 net/tipc/netlink_compat.c:216 tipc_nl_compat_dumpit+0x1e6/0x4c0 net/tipc/netlink_compat.c:288 tipc_nl_compat_handle net/tipc/netlink_compat.c:1228 [inline] tipc_nl_compat_recv+0x45a/0xa70 net/tipc/netlink_compat.c:1291 genl_family_rcv_msg+0x5d5/0x1160 net/netlink/genetlink.c:629 genl_rcv_msg+0xa7/0x140 net/netlink/genetlink.c:654 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2477 genl_rcv+0x23/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x444/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x75d/0xc40 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:657 ___sys_sendmsg+0x658/0x980 net/socket.c:2311 __sys_sendmsg+0xd9/0x180 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4577a9 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 RSP: 002b:00007f8b23facc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004577a9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8b23fad6d4 R13: 00000000004c4211 R14: 00000000004d70f8 R15: 00000000ffffffff