INFO: task syz-executor.3:14067 blocked for more than 143 seconds. Not tainted 5.1.0-rc1+ #34 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28808 14067 8239 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458209 Code: Bad RIP value. RSP: 002b:00007f6227ff8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458209 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000006 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6227ff96d4 R13: 00000000004cbcb8 R14: 00000000004d9400 R15: 00000000ffffffff INFO: task syz-executor.2:14075 blocked for more than 143 seconds. Not tainted 5.1.0-rc1+ #34 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28808 14075 8231 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4120e1 Code: 65 00 31 d2 be 53 25 44 00 bf 52 37 44 00 ff 15 a5 75 24 00 b9 e0 96 65 00 31 d2 be d2 31 44 00 bf 52 37 44 00 ff 15 8e 75 24 <00> 48 8b 3d 87 b5 24 00 e8 92 8e ff ff 31 c0 48 83 c4 08 c3 66 66 RSP: 002b:00007f03360ef9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f03360efa58 RCX: 00000000004120e1 RDX: 0000000000000000 RSI: 00007f03360efa00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f03360efa40 R13: 00000000004cdae0 R14: 00000000004dbe60 R15: 00000000ffffffff INFO: task syz-executor.2:14081 blocked for more than 144 seconds. Not tainted 5.1.0-rc1+ #34 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28056 14081 8231 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4120e1 Code: 65 00 31 d2 be 53 25 44 00 bf 52 37 44 00 ff 15 a5 75 24 00 b9 e0 96 65 00 31 d2 be d2 31 44 00 bf 52 37 44 00 ff 15 8e 75 24 <00> 48 8b 3d 87 b5 24 00 e8 92 8e ff ff 31 c0 48 83 c4 08 c3 66 66 RSP: 002b:00007f03360ce9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f03360cea58 RCX: 00000000004120e1 RDX: 0000000000000000 RSI: 00007f03360cea00 RDI: 0000000000000008 RBP: 0000000000000008 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f03360cea40 R13: 00000000004cdae0 R14: 00000000004dbe60 R15: 00000000ffffffff INFO: task syz-executor.1:14077 blocked for more than 144 seconds. Not tainted 5.1.0-rc1+ #34 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28808 14077 8236 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4120e1 Code: 65 00 31 d2 be 53 25 44 00 bf 52 37 44 00 ff 15 a5 75 24 00 b9 e0 96 65 00 31 d2 be d2 31 44 00 bf 52 37 44 00 ff 15 8e 75 24 <00> 48 8b 3d 87 b5 24 00 e8 92 8e ff ff 31 c0 48 83 c4 08 c3 66 66 RSP: 002b:00007f9fa535d9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9fa535da58 RCX: 00000000004120e1 RDX: 0000000000000000 RSI: 00007f9fa535da00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9fa535da40 R13: 00000000004cdae0 R14: 00000000004dbe60 R15: 00000000ffffffff INFO: task syz-executor.1:14080 blocked for more than 145 seconds. Not tainted 5.1.0-rc1+ #34 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28056 14080 8236 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4120e1 Code: 65 00 31 d2 be 53 25 44 00 bf 52 37 44 00 ff 15 a5 75 24 00 b9 e0 96 65 00 31 d2 be d2 31 44 00 bf 52 37 44 00 ff 15 8e 75 24 <00> 48 8b 3d 87 b5 24 00 e8 92 8e ff ff 31 c0 48 83 c4 08 c3 66 66 RSP: 002b:00007f9fa533c9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9fa533ca58 RCX: 00000000004120e1 RDX: 0000000000000000 RSI: 00007f9fa533ca00 RDI: 0000000000000008 RBP: 0000000000000008 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f9fa533ca40 R13: 00000000004cdae0 R14: 00000000004dbe60 R15: 00000000ffffffff INFO: task syz-executor.0:14079 blocked for more than 145 seconds. Not tainted 5.1.0-rc1+ #34 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28808 14079 8233 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4120e1 Code: 65 00 31 d2 be 53 25 44 00 bf 52 37 44 00 ff 15 a5 75 24 00 b9 e0 96 65 00 31 d2 be d2 31 44 00 bf 52 37 44 00 ff 15 8e 75 24 <00> 48 8b 3d 87 b5 24 00 e8 92 8e ff ff 31 c0 48 83 c4 08 c3 66 66 RSP: 002b:00007f985b33d9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f985b33da58 RCX: 00000000004120e1 RDX: 0000000000000000 RSI: 00007f985b33da00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f985b33da40 R13: 00000000004cdae0 R14: 00000000004dbe60 R15: 00000000ffffffff INFO: task syz-executor.0:14083 blocked for more than 146 seconds. Not tainted 5.1.0-rc1+ #34 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28056 14083 8233 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4120e1 Code: 65 00 31 d2 be 53 25 44 00 bf 52 37 44 00 ff 15 a5 75 24 00 b9 e0 96 65 00 31 d2 be d2 31 44 00 bf 52 37 44 00 ff 15 8e 75 24 <00> 48 8b 3d 87 b5 24 00 e8 92 8e ff ff 31 c0 48 83 c4 08 c3 66 66 RSP: 002b:00007f985b31c9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f985b31ca58 RCX: 00000000004120e1 RDX: 0000000000000000 RSI: 00007f985b31ca00 RDI: 0000000000000008 RBP: 0000000000000008 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f985b31ca40 R13: 00000000004cdae0 R14: 00000000004dbe60 R15: 00000000ffffffff INFO: task syz-executor.5:14078 blocked for more than 146 seconds. Not tainted 5.1.0-rc1+ #34 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28808 14078 8234 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4120e1 Code: 65 00 31 d2 be 53 25 44 00 bf 52 37 44 00 ff 15 a5 75 24 00 b9 e0 96 65 00 31 d2 be d2 31 44 00 bf 52 37 44 00 ff 15 8e 75 24 <00> 48 8b 3d 87 b5 24 00 e8 92 8e ff ff 31 c0 48 83 c4 08 c3 66 66 RSP: 002b:00007f1cc3fde9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f1cc3fdea58 RCX: 00000000004120e1 RDX: 0000000000000000 RSI: 00007f1cc3fdea00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1cc3fdea40 R13: 00000000004cdae0 R14: 00000000004dbe60 R15: 00000000ffffffff INFO: task syz-executor.5:14082 blocked for more than 147 seconds. Not tainted 5.1.0-rc1+ #34 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28056 14082 8234 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3518 schedule+0x92/0x180 kernel/sched/core.c:3562 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620 __mutex_lock_common kernel/locking/mutex.c:1002 [inline] __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4120e1 Code: 65 00 31 d2 be 53 25 44 00 bf 52 37 44 00 ff 15 a5 75 24 00 b9 e0 96 65 00 31 d2 be d2 31 44 00 bf 52 37 44 00 ff 15 8e 75 24 <00> 48 8b 3d 87 b5 24 00 e8 92 8e ff ff 31 c0 48 83 c4 08 c3 66 66 RSP: 002b:00007f1cc3fbd9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f1cc3fbda58 RCX: 00000000004120e1 RDX: 0000000000000000 RSI: 00007f1cc3fbda00 RDI: 0000000000000008 RBP: 0000000000000008 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1cc3fbda40 R13: 00000000004cdae0 R14: 00000000004dbe60 R15: 00000000ffffffff Showing all locks held in the system: 1 lock held by khungtaskd/1042: #0: 00000000d55382fe (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:5061 1 lock held by rsyslogd/8064: #0: 0000000010cf53e0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:801 2 locks held by getty/8186: #0: 00000000fc2bb5b2 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000008c3e1253 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/8187: #0: 00000000e127a1a7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000008d72271f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/8188: #0: 000000009d3c5055 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000004e97ff0d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/8189: #0: 00000000caf19e8e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000085d7b64a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/8190: #0: 000000000470aa77 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000853bc8ed (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/8191: #0: 00000000234d649f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000092e094e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/8192: #0: 00000000a8db051d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000000574651d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by syz-executor.3/14067: #0: 00000000fc3ef13d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 4 locks held by syz-executor.4/14064: 2 locks held by syz-executor.2/14075: #0: 00000000fc3ef13d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 2 locks held by syz-executor.2/14081: #0: 00000000fc3ef13d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 2 locks held by syz-executor.1/14077: #0: 00000000fc3ef13d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 2 locks held by syz-executor.1/14080: #0: 00000000fc3ef13d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 2 locks held by syz-executor.0/14079: #0: 00000000fc3ef13d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 2 locks held by syz-executor.0/14083: #0: 00000000fc3ef13d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 2 locks held by syz-executor.5/14078: #0: 00000000fc3ef13d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 2 locks held by syz-executor.5/14082: #0: 00000000fc3ef13d (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:636 #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000002c8a36cf (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:624 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc1+ #34 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+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1be/0x236 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:204 [inline] watchdog+0x9b7/0xec0 kernel/hung_task.c:288 kthread+0x357/0x430 kernel/kthread.c:253 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: 14064 Comm: syz-executor.4 Not tainted 5.1.0-rc1+ #34 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_pc+0x26/0x50 kernel/kcov.c:102 Code: 90 90 90 90 55 48 89 e5 48 8b 75 08 65 48 8b 04 25 00 ee 01 00 65 8b 15 e8 7d 91 7e 81 e2 00 01 1f 00 75 2b 8b 90 e0 12 00 00 <83> fa 02 75 20 48 8b 88 e8 12 00 00 8b 80 e4 12 00 00 48 8b 11 48 RSP: 0018:ffff888093456cc0 EFLAGS: 00000246 RAX: ffff8880a52ca000 RBX: 0000000000000004 RCX: ffffffff83412a5f RDX: 0000000000000000 RSI: ffffffff8341291b RDI: 0000000000000004 RBP: ffff888093456cc0 R08: ffff8880a52ca000 R09: ffff888093456ef8 R10: ffffed101268adeb R11: ffff888093456f5f R12: 0000000000000004 R13: ffff8880a9b24718 R14: ffffffff8815b3c0 R15: 1ffff1101268ad9f FS: 00007ff9ea6c9700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004581df CR3: 000000008bf61000 CR4: 00000000001406e0 Call Trace: validate_nla+0x44b/0x15b0 lib/nlattr.c:292 __nla_parse+0x206/0x340 lib/nlattr.c:415 nla_parse+0x45/0x60 lib/nlattr.c:439 nla_parse_nested include/net/netlink.h:912 [inline] tipc_nl_publ_dump+0x908/0xd70 net/tipc/socket.c:3581 __tipc_nl_compat_dumpit.isra.0+0x220/0x930 net/tipc/netlink_compat.c:206 tipc_nl_compat_publ_dump net/tipc/netlink_compat.c:977 [inline] tipc_nl_compat_sk_dump+0x54a/0x970 net/tipc/netlink_compat.c:1028 __tipc_nl_compat_dumpit.isra.0+0x32c/0x930 net/tipc/netlink_compat.c:215 tipc_nl_compat_dumpit+0x1f4/0x440 net/tipc/netlink_compat.c:280 tipc_nl_compat_handle net/tipc/netlink_compat.c:1227 [inline] tipc_nl_compat_recv+0x34f/0xb30 net/tipc/netlink_compat.c:1265 genl_family_rcv_msg+0x6e1/0xd90 net/netlink/genetlink.c:601 genl_rcv_msg+0xca/0x16c net/netlink/genetlink.c:626 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485 genl_rcv+0x29/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x806/0x930 net/socket.c:2137 __sys_sendmsg+0x105/0x1d0 net/socket.c:2175 __do_sys_sendmsg net/socket.c:2184 [inline] __se_sys_sendmsg net/socket.c:2182 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2182 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458209 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 RSP: 002b:00007ff9ea6c8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458209 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000006 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff9ea6c96d4 R13: 00000000004cbcb8 R14: 00000000004d9400 R15: 00000000ffffffff