====================================== | [ 17.583325][ T377] RCU nest depth: 0, expected: 0 | [ 17.583496][ T377] 2 locks held by tc/377: | [ 17.583637][ T377] #0: ffffffffab5e7e88 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261) | [ 17.583950][ T377] #1: ffff8880095c6c90 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) [ 17.584554][ T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.584762][ T377] Call Trace: [ 17.584891][ T377] [ 17.584981][ T377] dump_stack_lvl (lib/dump_stack.c:123) [ 17.585158][ T377] __might_resched (kernel/sched/core.c:8759) [ 17.585325][ T377] ? tc_new_tfilter (net/sched/cls_api.c:2383) [ 17.585498][ T377] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490) [ 17.585674][ T377] static_key_slow_inc (kernel/jump_label.c:191) [ 17.585843][ T377] tc_new_tfilter (net/sched/cls_api.c:2385) [ 17.586021][ T377] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 17.586148][ T377] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 17.586345][ T377] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 17.586710][ T377] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 17.586887][ T377] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 17.587072][ T377] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 17.587278][ T377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 17.587518][ T377] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 17.587768][ T377] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 17.587972][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 17.588256][ T377] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 17.588516][ T377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 17.588801][ T377] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 17.589113][ T377] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 17.589387][ T377] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 17.589656][ T377] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 17.589932][ T377] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 17.590196][ T377] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 17.590480][ T377] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 17.590748][ T377] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 17.591039][ T377] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 17.591309][ T377] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 17.591574][ T377] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 17.591922][ T377] ___sys_sendmsg (net/socket.c:2624) [ 17.592185][ T377] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) [ 17.592514][ T377] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 17.592781][ T377] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) [ 17.593105][ T377] ? __pfx_free_object_rcu (mm/kmemleak.c:514) [ 17.593373][ T377] ? trace_rcu_segcb_stats (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/rcu.h:537) [ 17.593647][ T377] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 17.593983][ T377] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715) [ 17.594250][ T377] ? do_sys_openat2 (fs/open.c:1405) [ 17.594510][ T377] ? do_sys_openat2 (fs/open.c:1411) [ 17.594785][ T377] ? do_sys_openat2 (fs/open.c:1411) [ 17.595088][ T377] __sys_sendmsg (net/socket.c:2654) [ 17.595358][ T377] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 17.595655][ T377] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 17.595913][ T377] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 17.596244][ T377] RIP: 0033:0x7fbefc7c49a7 [ 17.596523][ T377] Code: Unable to access opcode bytes at 0x7fbefc7c497d. Code starting with the faulting instruction =========================================== [ 17.596855][ T377] RSP: 002b:00007fff8aba4608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.597263][ T377] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fbefc7c49a7 [ 17.597658][ T377] RDX: 0000000000000000 RSI: 00007fff8aba4670 RDI: 0000000000000005 [ 17.598049][ T377] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000 [ 17.598482][ T377] R10: 00007fbefc67d708 R11: 0000000000000246 R12: 0000000000000000 [ 17.598909][ T377] R13: 0000000067858567 R14: 0000000000483b60 R15: 00007fff8abaa98f | [ 17.602367][ T377] #1: ffff8880095c6c90 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) | [ 17.602741][ T377] #2: ffffffffaabddcd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191) | [ 17.603120][ T377] stack backtrace: | [ 17.603671][ T377] Tainted: [W]=WARN [ 17.603840][ T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.604106][ T377] Call Trace: [ 17.604270][ T377] [ 17.604379][ T377] dump_stack_lvl (lib/dump_stack.c:123) [ 17.604590][ T377] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176) [ 17.604801][ T377] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851) [ 17.605016][ T377] ? static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151) [ 17.605275][ T377] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 17.605497][ T377] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 17.605701][ T377] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 17.605904][ T377] ? static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151) [ 17.606153][ T377] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735) [ 17.606366][ T377] ? static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151) [ 17.606623][ T377] ? static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151) [ 17.606892][ T377] ? __pfx___mutex_lock (kernel/locking/mutex.c:734) [ 17.607108][ T377] ? static_key_slow_inc (kernel/jump_label.c:191) [ 17.607319][ T377] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 17.607530][ T377] ? static_key_fast_inc_not_disabled (./arch/x86/include/asm/atomic.h:23 (discriminator 3) ./include/linux/atomic/atomic-arch-fallback.h:457 (discriminator 3) ./include/linux/atomic/atomic-instrumented.h:33 (discriminator 3) kernel/jump_label.c:141 (discriminator 3)) [ 17.607785][ T377] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128) [ 17.608051][ T377] ? static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151) [ 17.608331][ T377] static_key_slow_inc_cpuslocked (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:1195 kernel/jump_label.c:167 kernel/jump_label.c:151) [ 17.608594][ T377] static_key_slow_inc (kernel/jump_label.c:191) [ 17.608800][ T377] tc_new_tfilter (net/sched/cls_api.c:2385) [ 17.609006][ T377] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 17.609163][ T377] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 17.609376][ T377] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 17.609588][ T377] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 17.609857][ T377] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 17.610083][ T377] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 17.610312][ T377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 17.610525][ T377] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 17.610734][ T377] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 17.610895][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 17.611107][ T377] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 17.611318][ T377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 17.611531][ T377] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 17.611760][ T377] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 17.611978][ T377] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 17.612189][ T377] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 17.612401][ T377] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 17.612636][ T377] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 17.612854][ T377] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 17.613076][ T377] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 17.613310][ T377] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 17.613525][ T377] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 17.613732][ T377] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 17.614008][ T377] ___sys_sendmsg (net/socket.c:2624) [ 17.614216][ T377] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) [ 17.614553][ T377] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 17.614783][ T377] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) [ 17.615044][ T377] ? __pfx_free_object_rcu (mm/kmemleak.c:514) [ 17.615268][ T377] ? trace_rcu_segcb_stats (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/rcu.h:537) [ 17.615485][ T377] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 17.615776][ T377] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715) [ 17.615985][ T377] ? do_sys_openat2 (fs/open.c:1405) [ 17.616207][ T377] ? do_sys_openat2 (fs/open.c:1411) [ 17.616425][ T377] ? do_sys_openat2 (fs/open.c:1411) [ 17.616635][ T377] __sys_sendmsg (net/socket.c:2654) [ 17.616845][ T377] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 17.617064][ T377] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 17.617272][ T377] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 17.617547][ T377] RIP: 0033:0x7fbefc7c49a7 [ 17.617773][ T377] Code: Unable to access opcode bytes at 0x7fbefc7c497d. Code starting with the faulting instruction =========================================== [ 17.618043][ T377] RSP: 002b:00007fff8aba4608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.618383][ T377] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fbefc7c49a7 [ 17.618678][ T377] RDX: 0000000000000000 RSI: 00007fff8aba4670 RDI: 0000000000000005 [ 17.618983][ T377] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000 [ 17.619291][ T377] R10: 00007fbefc67d708 R11: 0000000000000246 R12: 0000000000000000 Finger prints: __lock_acquire:__mutex_lock:static_key_slow_inc_cpuslocked:static_key_slow_inc:tc_new_tfilter __might_resched:cpus_read_lock:static_key_slow_inc:tc_new_tfilter:rtnetlink_rcv_msg