INFO: task syz-executor.0:10930 blocked for more than 143 seconds. Not tainted 6.1.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:26744 pid:10930 ppid:3640 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6503 schedule+0xda/0x1b0 kernel/sched/core.c:6579 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x236/0x340 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2125 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f082bc3d58c RSP: 002b:00007f082c9ac000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f082c9ac0f0 RCX: 00007f082bc3d58c RDX: 0000000000000020 RSI: 00007f082c9ac140 RDI: 0000000000000007 RBP: 0000000000000000 R08: 00007f082c9ac054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007f082c9ac0a8 R13: 00007f082c9ac140 R14: 0000000000000007 R15: 0000000000000000 INFO: task syz-executor.5:10952 blocked for more than 143 seconds. Not tainted 6.1.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:27888 pid:10952 ppid:3644 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6503 schedule+0xda/0x1b0 kernel/sched/core.c:6579 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x236/0x340 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2125 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6cf7a3d58c RSP: 002b:00007f6cf887f000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f6cf887f0f0 RCX: 00007f6cf7a3d58c RDX: 0000000000000020 RSI: 00007f6cf887f140 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007f6cf887f054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6cf887f0a8 R13: 00007f6cf887f140 R14: 0000000000000005 R15: 0000000000000000 INFO: task syz-executor.5:10958 blocked for more than 144 seconds. Not tainted 6.1.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:27344 pid:10958 ppid:3644 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6503 schedule+0xda/0x1b0 kernel/sched/core.c:6579 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x236/0x340 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2125 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6cf7a3d58c RSP: 002b:00007f6cf885e000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f6cf885e0f0 RCX: 00007f6cf7a3d58c RDX: 0000000000000020 RSI: 00007f6cf885e140 RDI: 0000000000000008 RBP: 0000000000000000 R08: 00007f6cf885e054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6cf885e0a8 R13: 00007f6cf885e140 R14: 0000000000000008 R15: 0000000000000000 INFO: task syz-executor.1:10949 blocked for more than 144 seconds. Not tainted 6.1.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27888 pid:10949 ppid:3639 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6503 schedule+0xda/0x1b0 kernel/sched/core.c:6579 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x236/0x340 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2125 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f727ee3d58c RSP: 002b:00007f727fb6b000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f727fb6b0f0 RCX: 00007f727ee3d58c RDX: 0000000000000020 RSI: 00007f727fb6b140 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007f727fb6b054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007f727fb6b0a8 R13: 00007f727fb6b140 R14: 0000000000000005 R15: 0000000000000000 INFO: task syz-executor.1:10961 blocked for more than 145 seconds. Not tainted 6.1.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27344 pid:10961 ppid:3639 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5191 [inline] __schedule+0xae9/0x53f0 kernel/sched/core.c:6503 schedule+0xda/0x1b0 kernel/sched/core.c:6579 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x236/0x340 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2125 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f727ee3d58c RSP: 002b:00007f727fb4a000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f727fb4a0f0 RCX: 00007f727ee3d58c RDX: 0000000000000020 RSI: 00007f727fb4a140 RDI: 0000000000000008 RBP: 0000000000000000 R08: 00007f727fb4a054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007f727fb4a0a8 R13: 00007f727fb4a140 R14: 0000000000000008 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8bf87e30 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/13: #0: ffffffff8bf87b30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/27: #0: ffffffff8bf88980 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6494 2 locks held by getty/3283: #0: ffff88814b371098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0 drivers/tty/n_tty.c:2177 3 locks held by syz-executor.2/10929: 2 locks held by syz-executor.0/10930: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.5/10952: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.5/10958: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.1/10949: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.1/10961: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.5/11024: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.0/11025: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.2/11026: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.1/11046: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.0/11061: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.5/11072: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.2/11074: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 2 locks held by syz-executor.1/11087: #0: ffffffff8d853b70 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860 #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d853c28 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x509/0x780 net/netlink/genetlink.c:848 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x32f/0x3c0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xc71/0xfc0 kernel/hung_task.c:377 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 10929 Comm: syz-executor.2 Not tainted 6.1.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline] RIP: 0010:write_comp_data+0x21/0x90 kernel/kcov.c:236 Code: 84 00 00 00 00 00 0f 1f 00 65 8b 05 79 c7 85 7e 49 89 f1 89 c6 49 89 d2 81 e6 00 01 00 00 49 89 f8 65 48 8b 14 25 c0 6f 02 00 00 01 ff 00 74 0e 85 f6 74 59 8b 82 8c 15 00 00 85 c0 74 4f 8b RSP: 0018:ffffc90003a0ebe8 EFLAGS: 00000246 RAX: 0000000080000000 RBX: 0000000000000003 RCX: ffffffff84236aa7 RDX: ffff88807bdc3a80 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffffff8a4c95a0 R08: 0000000000000001 R09: 0000000000000005 R10: 0000000000000000 R11: 1ffff1100237eb82 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000005 R15: 1ffff92000741d8f FS: 00007fc379822700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0246a9f50 CR3: 0000000076876000 CR4: 0000000000350ee0 Call Trace: __sanitizer_cov_trace_switch+0x50/0x90 kernel/kcov.c:340 validate_nla lib/nlattr.c:536 [inline] __nla_validate_parse+0x807/0x2460 lib/nlattr.c:600 __nla_parse+0x3d/0x50 lib/nlattr.c:697 nla_parse_nested_deprecated include/net/netlink.h:1248 [inline] tipc_nl_publ_dump+0x236/0xc90 net/tipc/socket.c:3798 __tipc_nl_compat_dumpit+0x2af/0xb50 net/tipc/netlink_compat.c:227 tipc_nl_compat_publ_dump net/tipc/netlink_compat.c:1035 [inline] tipc_nl_compat_sk_dump+0x4f1/0x8a0 net/tipc/netlink_compat.c:1087 __tipc_nl_compat_dumpit+0x418/0xb50 net/tipc/netlink_compat.c:238 tipc_nl_compat_dumpit+0x458/0x810 net/tipc/netlink_compat.c:321 tipc_nl_compat_handle net/tipc/netlink_compat.c:1286 [inline] tipc_nl_compat_recv+0x578/0xb40 net/tipc/netlink_compat.c:1324 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x441/0x780 net/netlink/genetlink.c:850 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf3/0x1c0 net/socket.c:2565 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc378a8b639 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc379822168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc378bac1f0 RCX: 00007fc378a8b639 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000007 RBP: 00007fc378ae6ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc1449e59f R14: 00007fc379822300 R15: 0000000000022000