====================================== | [ 21.555845][ T344] RCU nest depth: 0, expected: 0 | [ 21.556007][ T344] 2 locks held by tc/344: | [ 21.556149][ T344] #0: ffffffff943e7e88 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261) | [ 21.556490][ T344] #1: ffff88800b797b90 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) [ 21.557168][ T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.557373][ T344] Call Trace: [ 21.557516][ T344] [ 21.557657][ T344] dump_stack_lvl (lib/dump_stack.c:123) [ 21.557835][ T344] __might_resched (kernel/sched/core.c:8759) [ 21.557997][ T344] ? tc_new_tfilter (net/sched/cls_api.c:2383) [ 21.558232][ T344] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490) [ 21.558402][ T344] static_key_slow_inc (kernel/jump_label.c:191) [ 21.558569][ T344] tc_new_tfilter (net/sched/cls_api.c:2385) [ 21.558742][ T344] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 21.558871][ T344] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 21.559150][ T344] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 21.559379][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 21.559546][ T344] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 21.559738][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 21.559938][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 21.560116][ T344] ? 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) [ 21.560318][ T344] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 21.560485][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 21.560653][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 21.560823][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 21.561031][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 21.561254][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 21.561421][ T344] ? 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) [ 21.561587][ T344] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 21.561755][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 21.561925][ T344] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 21.562139][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 21.562309][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 21.562486][ T344] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 21.562659][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 21.562820][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 21.563046][ T344] ___sys_sendmsg (net/socket.c:2624) [ 21.563212][ T344] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) [ 21.563423][ T344] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 21.563594][ T344] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) [ 21.563795][ T344] ? __pfx_free_object_rcu (mm/kmemleak.c:514) [ 21.563959][ T344] ? 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) [ 21.564143][ T344] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 21.564352][ T344] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715) [ 21.564524][ T344] ? do_sys_openat2 (fs/open.c:1405) [ 21.564688][ T344] ? do_sys_openat2 (fs/open.c:1411) [ 21.564855][ T344] ? do_sys_openat2 (fs/open.c:1411) [ 21.565041][ T344] __sys_sendmsg (net/socket.c:2654) [ 21.565226][ T344] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 21.565414][ T344] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 21.565583][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 21.565786][ T344] RIP: 0033:0x7fb139d3a9a7 [ 21.565969][ T344] Code: Unable to access opcode bytes at 0x7fb139d3a97d. Code starting with the faulting instruction =========================================== [ 21.566274][ T344] RSP: 002b:00007ffe721b5c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 21.566522][ T344] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fb139d3a9a7 [ 21.566771][ T344] RDX: 0000000000000000 RSI: 00007ffe721b5cf0 RDI: 0000000000000005 [ 21.567029][ T344] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 21.567286][ T344] R10: 00007fb139bf3708 R11: 0000000000000246 R12: 00007ffe721bb97f [ 21.567531][ T344] R13: 0000000067858755 R14: 0000000000483b60 R15: 00007ffe721bb983 | [ 21.569925][ T344] #1: ffff88800b797b90 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) | [ 21.570203][ T344] #2: ffffffff939ddcd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191) | [ 21.570466][ T344] stack backtrace: | [ 21.570856][ T344] Tainted: [W]=WARN [ 21.570984][ T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.571186][ T344] Call Trace: [ 21.571291][ T344] [ 21.571362][ T344] dump_stack_lvl (lib/dump_stack.c:123) [ 21.571545][ T344] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176) [ 21.571701][ T344] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851) [ 21.571836][ T344] ? 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) [ 21.572039][ T344] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 21.572201][ T344] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 21.572336][ T344] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 21.572523][ T344] ? 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) [ 21.572693][ T344] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735) [ 21.572834][ T344] ? 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) [ 21.573001][ T344] ? 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) [ 21.573246][ T344] ? __pfx___mutex_lock (kernel/locking/mutex.c:734) [ 21.573414][ T344] ? static_key_slow_inc (kernel/jump_label.c:191) [ 21.573602][ T344] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 21.573739][ T344] ? 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)) [ 21.573962][ T344] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128) [ 21.574148][ T344] ? 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) [ 21.574314][ T344] 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) [ 21.574481][ T344] static_key_slow_inc (kernel/jump_label.c:191) [ 21.574615][ T344] tc_new_tfilter (net/sched/cls_api.c:2385) [ 21.574754][ T344] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 21.574858][ T344] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 21.575002][ T344] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 21.575146][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 21.575282][ T344] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 21.575460][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 21.575594][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 21.575727][ T344] ? 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) [ 21.575872][ T344] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 21.575977][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 21.576125][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 21.576259][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 21.576395][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 21.576532][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 21.576667][ T344] ? 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) [ 21.576805][ T344] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 21.576958][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 21.577118][ T344] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 21.577254][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 21.577389][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 21.577526][ T344] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 21.577662][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 21.577796][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 21.577970][ T344] ___sys_sendmsg (net/socket.c:2624) [ 21.578157][ T344] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) [ 21.578380][ T344] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 21.578516][ T344] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) [ 21.578682][ T344] ? __pfx_free_object_rcu (mm/kmemleak.c:514) [ 21.578817][ T344] ? 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) [ 21.578956][ T344] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 21.579136][ T344] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715) [ 21.579272][ T344] ? do_sys_openat2 (fs/open.c:1405) [ 21.579406][ T344] ? do_sys_openat2 (fs/open.c:1411) [ 21.579541][ T344] ? do_sys_openat2 (fs/open.c:1411) [ 21.579676][ T344] __sys_sendmsg (net/socket.c:2654) [ 21.579810][ T344] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 21.579952][ T344] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 21.580101][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 21.580278][ T344] RIP: 0033:0x7fb139d3a9a7 [ 21.580426][ T344] Code: Unable to access opcode bytes at 0x7fb139d3a97d. Code starting with the faulting instruction =========================================== [ 21.580602][ T344] RSP: 002b:00007ffe721b5c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 21.580805][ T344] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fb139d3a9a7 [ 21.581042][ T344] RDX: 0000000000000000 RSI: 00007ffe721b5cf0 RDI: 0000000000000005 [ 21.581266][ T344] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 [ 21.581465][ T344] R10: 00007fb139bf3708 R11: 0000000000000246 R12: 00007ffe721bb97f 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