INFO: task syz-executor.1:12535 blocked for more than 143 seconds. Not tainted 5.1.0-rc7+ #96 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28808 12535 7698 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 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:625 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2486 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: Bad RIP value. RSP: 002b:00007fbc7e3f1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbc7e3f26d4 R13: 00000000004cd190 R14: 00000000004daca0 R15: 00000000ffffffff INFO: task syz-executor.4:12540 blocked for more than 143 seconds. Not tainted 5.1.0-rc7+ #96 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D28808 12540 7702 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 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:625 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2486 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x412c81 Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 RSP: 002b:00007fabb65379c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fabb6537a58 RCX: 0000000000412c81 RDX: 0000000000000000 RSI: 00007fabb6537a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fabb6537a40 R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff INFO: task syz-executor.4:12547 blocked for more than 144 seconds. Not tainted 5.1.0-rc7+ #96 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D28056 12547 7702 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 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:625 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2486 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x412c81 Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 RSP: 002b:00007fabb65169c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fabb6516a58 RCX: 0000000000412c81 RDX: 0000000000000000 RSI: 00007fabb6516a00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fabb6516a40 R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff INFO: task syz-executor.3:12539 blocked for more than 144 seconds. Not tainted 5.1.0-rc7+ #96 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28808 12539 7694 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 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:625 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2486 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x412c81 Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 RSP: 002b:00007f27506ed9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f27506eda58 RCX: 0000000000412c81 RDX: 0000000000000000 RSI: 00007f27506eda00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f27506eda40 R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff INFO: task syz-executor.3:12545 blocked for more than 145 seconds. Not tainted 5.1.0-rc7+ #96 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28056 12545 7694 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 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:625 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2486 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x412c81 Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 RSP: 002b:00007f27506cc9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f27506cca58 RCX: 0000000000412c81 RDX: 0000000000000000 RSI: 00007f27506cca00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f27506cca40 R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff INFO: task syz-executor.5:12543 blocked for more than 146 seconds. Not tainted 5.1.0-rc7+ #96 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28808 12543 7701 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 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:625 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2486 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x412c81 Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 RSP: 002b:00007fcd4294f9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fcd4294fa58 RCX: 0000000000412c81 RDX: 0000000000000000 RSI: 00007fcd4294fa00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fcd4294fa40 R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff INFO: task syz-executor.5:12548 blocked for more than 146 seconds. Not tainted 5.1.0-rc7+ #96 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28056 12548 7701 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 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:625 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2486 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x412c81 Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 RSP: 002b:00007fcd4292e9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fcd4292ea58 RCX: 0000000000412c81 RDX: 0000000000000000 RSI: 00007fcd4292ea00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fcd4292ea40 R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff INFO: task syz-executor.2:12546 blocked for more than 147 seconds. Not tainted 5.1.0-rc7+ #96 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28200 12546 7703 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 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:625 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2486 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x412c81 Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 RSP: 002b:00007ff7c61ac9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff7c61aca58 RCX: 0000000000412c81 RDX: 0000000000000000 RSI: 00007ff7c61aca00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff7c61aca40 R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff INFO: task syz-executor.2:12549 blocked for more than 147 seconds. Not tainted 5.1.0-rc7+ #96 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28056 12549 7703 0x00000004 Call Trace: context_switch kernel/sched/core.c:2877 [inline] __schedule+0x813/0x1cc0 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:625 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2486 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x412c81 Code: 00 31 c0 e8 d1 e3 00 00 e9 ba fd ff ff 0f 1f 40 00 48 8b bb c8 00 00 00 ff 15 db 6a 24 00 85 c0 89 c5 0f 85 0d fe ff ff e9 4d ff ff 0f 1f 40 00 b8 01 00 00 00 f0 48 0f c1 05 12 aa 24 00 48 RSP: 002b:00007ff7c618b9c0 EFLAGS: 00000293 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff7c618ba58 RCX: 0000000000412c81 RDX: 0000000000000000 RSI: 00007ff7c618ba00 RDI: 0000000000000005 RBP: 0000000000000005 R08: 000000000000000b R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff7c618ba40 R13: 00000000004cefb8 R14: 00000000004dd700 R15: 00000000ffffffff Showing all locks held in the system: 1 lock held by khungtaskd/1042: #0: 0000000099f96b82 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:5057 1 lock held by rsyslogd/7561: #0: 00000000ddc490a2 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:801 2 locks held by getty/7652: #0: 00000000a898767c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000098203f5f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7653: #0: 000000002ee62762 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000008ebe9799 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7654: #0: 0000000073ec58ac (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000191a57c0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7655: #0: 000000009399c8ba (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000009c05c3f4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7656: #0: 00000000db3a9e79 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000005fe8a4a1 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7657: #0: 00000000b0394c08 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000004f503b58 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by getty/7658: #0: 000000002000d1fa (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000353cf489 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2156 2 locks held by syz-executor.0/12533: 2 locks held by syz-executor.1/12535: #0: 000000002a794742 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:637 #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:625 2 locks held by syz-executor.4/12540: #0: 000000002a794742 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:637 #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:625 2 locks held by syz-executor.4/12547: #0: 000000002a794742 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:637 #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:625 2 locks held by syz-executor.3/12539: #0: 000000002a794742 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:637 #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:625 2 locks held by syz-executor.3/12545: #0: 000000002a794742 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:637 #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:625 2 locks held by syz-executor.5/12543: #0: 000000002a794742 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:637 #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:625 2 locks held by syz-executor.5/12548: #0: 000000002a794742 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:637 #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:625 2 locks held by syz-executor.2/12546: #0: 000000002a794742 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:637 #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:625 2 locks held by syz-executor.2/12549: #0: 000000002a794742 (cb_lock){++++}, at: genl_rcv+0x1a/0x40 net/netlink/genetlink.c:637 #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 000000003908cfc5 (genl_mutex){+.+.}, at: genl_rcv_msg+0x13e/0x16c net/netlink/genetlink.c:625 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc7+ #96 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 12533 Comm: syz-executor.0 Not tainted 5.1.0-rc7+ #96 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:debug_lockdep_rcu_enabled.part.0+0x0/0x60 kernel/rcu/update.c:237 Code: 00 00 75 0a 48 81 c4 e0 00 00 00 5b 5d c3 e8 67 71 e5 ff 0f 1f 80 00 00 00 00 55 48 89 e5 e8 37 ff ff ff 5d c3 0f 1f 44 00 00 <48> b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 00 ee RSP: 0018:ffff8880925bec60 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 1ffff110124b7d95 RCX: 1ffffffff12bcd73 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880a4bf097c RBP: ffff8880925bec68 R08: 0000000000000000 R09: ffffed1015d05bc8 R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: ffffffff889a5bc0 R13: ffffffff86d399ae R14: ffff8880a4bf0100 R15: ffff8880925bed08 FS: 00007f4b87d21700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 0000000094d38000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_lock_release include/trace/events/lock.h:58 [inline] lock_release+0x5d6/0xa00 kernel/locking/lockdep.c:4229 rcu_lock_release include/linux/rcupdate.h:215 [inline] rcu_read_unlock include/linux/rcupdate.h:649 [inline] rhashtable_lookup_fast include/linux/rhashtable.h:561 [inline] tipc_sk_lookup+0x615/0xbe0 net/tipc/socket.c:2802 tipc_nl_publ_dump+0x1fb/0xd70 net/tipc/socket.c:3608 __tipc_nl_compat_dumpit.isra.0+0x220/0x930 net/tipc/netlink_compat.c:206 tipc_nl_compat_publ_dump net/tipc/netlink_compat.c:993 [inline] tipc_nl_compat_sk_dump+0x54a/0x970 net/tipc/netlink_compat.c:1044 __tipc_nl_compat_dumpit.isra.0+0x32c/0x930 net/tipc/netlink_compat.c:215 tipc_nl_compat_dumpit+0x209/0x4d0 net/tipc/netlink_compat.c:286 tipc_nl_compat_handle net/tipc/netlink_compat.c:1243 [inline] tipc_nl_compat_recv+0x34f/0xb30 net/tipc/netlink_compat.c:1281 genl_family_rcv_msg+0x6e1/0xd90 net/netlink/genetlink.c:602 genl_rcv_msg+0xca/0x16c net/netlink/genetlink.c:627 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2486 genl_rcv+0x29/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1926 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:661 ___sys_sendmsg+0x806/0x930 net/socket.c:2260 __sys_sendmsg+0x105/0x1d0 net/socket.c:2298 __do_sys_sendmsg net/socket.c:2307 [inline] __se_sys_sendmsg net/socket.c:2305 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2305 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 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:00007f4b87d20c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b87d216d4 R13: 00000000004cd190 R14: 00000000004daca0 R15: 00000000ffffffff