INFO: task syz-executor049:8769 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #74 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor049 D28816 8769 7922 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __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 rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5127 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5148 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:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x806/0x930 net/socket.c:2114 __sys_sendmsg+0x105/0x1d0 net/socket.c:2152 __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg net/socket.c:2159 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2159 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4459f9 Code: ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 <7a> fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd RSP: 002b:00007ffe22bdacd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 RBP: 00000000000a79b4 R08: 00000000004002c8 R09: 00000000004002c8 R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor049:8770 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #74 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor049 D28816 8770 7926 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __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 rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5127 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5148 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:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x806/0x930 net/socket.c:2114 __sys_sendmsg+0x105/0x1d0 net/socket.c:2152 __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg net/socket.c:2159 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2159 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4459f9 Code: ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 <7a> fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd RSP: 002b:00007ffe22bdacd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 RBP: 00000000000a79b6 R08: 00000000004002c8 R09: 00000000004002c8 R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor049:8771 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #74 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor049 D28816 8771 7927 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __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 rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5127 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5148 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:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x806/0x930 net/socket.c:2114 __sys_sendmsg+0x105/0x1d0 net/socket.c:2152 __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg net/socket.c:2159 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2159 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4459f9 Code: ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 <7a> fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd RSP: 002b:00007ffe22bdacd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 RBP: 00000000000a79bc R08: 00000000004002c8 R09: 00000000004002c8 R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor049:8772 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #74 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor049 D28816 8772 7925 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __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 rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5127 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5148 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:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x806/0x930 net/socket.c:2114 __sys_sendmsg+0x105/0x1d0 net/socket.c:2152 __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg net/socket.c:2159 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2159 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4459f9 Code: ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 <7a> fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd RSP: 002b:00007ffe22bdacd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 RBP: 00000000000a79b9 R08: 00000000004002c8 R09: 00000000004002c8 R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor049:8773 blocked for more than 140 seconds. Not tainted 5.0.0-rc6+ #74 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor049 D27984 8773 7928 0x00000004 Call Trace: context_switch kernel/sched/core.c:2844 [inline] __schedule+0x817/0x1cc0 kernel/sched/core.c:3485 schedule+0x92/0x180 kernel/sched/core.c:3529 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3587 __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 rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5127 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5148 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:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x806/0x930 net/socket.c:2114 __sys_sendmsg+0x105/0x1d0 net/socket.c:2152 __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg net/socket.c:2159 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2159 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4459f9 Code: ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 <7a> fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd ff 11 7a fd RSP: 002b:00007ffe22bdacd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 RBP: 00000000000a79b5 R08: 00000000004002c8 R09: 00000000004002c8 R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000 Showing all locks held in the system: 3 locks held by kworker/0:1/12: #0: 000000001d816f4c ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: __write_once_size include/linux/compiler.h:220 [inline] #0: 000000001d816f4c ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 000000001d816f4c ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 000000001d816f4c ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 000000001d816f4c ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 000000001d816f4c ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 000000001d816f4c ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x87e/0x1790 kernel/workqueue.c:2144 #1: 0000000064f515b4 ((addr_chk_work).work){+.+.}, at: process_one_work+0x8b4/0x1790 kernel/workqueue.c:2148 #2: 0000000079a478b7 (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 1 lock held by khungtaskd/1040: #0: 00000000ebc27fb3 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e kernel/locking/lockdep.c:4389 3 locks held by rs:main Q:Reg/7806: 1 lock held by rsyslogd/7808: #0: 00000000eea4e133 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:795 2 locks held by getty/7898: #0: 0000000073a7726c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000024da7397 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7899: #0: 00000000540dcc2a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000064de8534 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7900: #0: 00000000ffe1a9a7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000b6138515 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7901: #0: 000000000078cf84 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 000000000f6e7aa6 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7902: #0: 00000000e9a5a872 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000404a3056 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7903: #0: 00000000c6ad8469 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 0000000063fde60a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by getty/7904: #0: 0000000087ea0d56 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:341 #1: 00000000ab4c343f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 drivers/tty/n_tty.c:2154 2 locks held by syz-executor049/8768: 1 lock held by syz-executor049/8769: #0: 0000000079a478b7 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 0000000079a478b7 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5127 1 lock held by syz-executor049/8770: #0: 0000000079a478b7 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 0000000079a478b7 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5127 1 lock held by syz-executor049/8771: #0: 0000000079a478b7 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 0000000079a478b7 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5127 1 lock held by syz-executor049/8772: #0: 0000000079a478b7 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 0000000079a478b7 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5127 1 lock held by syz-executor049/8773: #0: 0000000079a478b7 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 0000000079a478b7 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40a/0xb00 net/core/rtnetlink.c:5127 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1040 Comm: khungtaskd Not tainted 5.0.0-rc6+ #74 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:203 [inline] watchdog+0x9df/0xee0 kernel/hung_task.c:287 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.043 msecs NMI backtrace for cpu 1 CPU: 1 PID: 8768 Comm: syz-executor049 Not tainted 5.0.0-rc6+ #74 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:unwind_next_frame+0x26/0x50 arch/x86/kernel/unwind_frame.c:287 Code: 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 c1 ea 03 48 89 e5 48 83 ec 08 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 <38> d0 7c 04 84 d2 75 0f 8b 17 31 c0 85 d2 74 05 e8 25 f6 ff ff c9 RSP: 0018:ffff8880a8766ff8 EFLAGS: 00000206 RAX: 0000000000000003 RBX: ffff8880a87670b0 RCX: 0000000000000006 RDX: 0000000000000000 RSI: ffffffff858997cf RDI: ffff8880a8767010 RBP: ffff8880a8767000 R08: 0000000000000001 R09: ffff8880a8767060 R10: ffff8880a8767038 R11: ffff8880a8767048 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88808b006580 R15: ffff88821baaf3c0 FS: 0000000000f33880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 0000000091a09000 CR4: 00000000001406e0 Call Trace: __save_stack_trace+0x7a/0xf0 arch/x86/kernel/stacktrace.c:44 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x45/0xd0 mm/kasan/common.c:73 set_track mm/kasan/common.c:85 [inline] __kasan_kmalloc mm/kasan/common.c:496 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:469 kasan_kmalloc mm/kasan/common.c:504 [inline] kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:411 slab_post_alloc_hook mm/slab.h:444 [inline] slab_alloc_node mm/slab.c:3324 [inline] kmem_cache_alloc_node+0x131/0x710 mm/slab.c:3631 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:196 alloc_skb include/linux/skbuff.h:1011 [inline] tcf_add_notify net/sched/act_api.c:1313 [inline] tcf_action_add+0x12f/0x370 net/sched/act_api.c:1344 tc_ctl_action+0x3b6/0x4bd net/sched/act_api.c:1392 rtnetlink_rcv_msg+0x465/0xb00 net/core/rtnetlink.c:5130 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5148 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:1917 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:631 ___sys_sendmsg+0x806/0x930 net/socket.c:2114 __sys_sendmsg+0x105/0x1d0 net/socket.c:2152 __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg net/socket.c:2159 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2159 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4459f9 Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 0b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe22bdacd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004459f9 RDX: 00000000000000c4 RSI: 0000000020000300 RDI: 0000000000000003 RBP: 00000000000a79b3 R08: 00000000004002c8 R09: 00000000004002c8 R10: 00000000200015a6 R11: 0000000000000246 R12: 0000000000406890 R13: 0000000000406920 R14: 0000000000000000 R15: 0000000000000000