====================================== | [ 22.839042][ T384] RCU nest depth: 0, expected: 0 | [ 22.839284][ T384] 2 locks held by tc/384: | [ 22.839466][ T384] #0: ffffffff8ede7e88 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261) | [ 22.839891][ T384] #1: ffff88800108d710 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) [ 22.840709][ T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.840987][ T384] Call Trace: [ 22.841176][ T384] [ 22.841284][ T384] dump_stack_lvl (lib/dump_stack.c:123) [ 22.841513][ T384] __might_resched (kernel/sched/core.c:8759) [ 22.841711][ T384] ? tc_new_tfilter (net/sched/cls_api.c:2383) [ 22.841920][ T384] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490) [ 22.842132][ T384] static_key_slow_inc (kernel/jump_label.c:191) [ 22.842341][ T384] tc_new_tfilter (net/sched/cls_api.c:2385) [ 22.842537][ T384] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 22.842700][ T384] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 22.842911][ T384] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 22.843115][ T384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 22.843327][ T384] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 22.843508][ T384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 22.843951][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 22.844126][ T384] ? 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) [ 22.844295][ T384] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 22.844445][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 22.844668][ T384] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 22.844890][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 22.845119][ T384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 22.845345][ T384] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 22.845549][ T384] ? 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) [ 22.845743][ T384] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 22.845962][ T384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 22.846147][ T384] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 22.846359][ T384] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 22.846560][ T384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 22.846780][ T384] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 22.846997][ T384] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 22.847185][ T384] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 22.847480][ T384] ___sys_sendmsg (net/socket.c:2624) [ 22.847714][ T384] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) [ 22.848037][ T384] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 22.848295][ T384] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) [ 22.848610][ T384] ? __pfx_free_object_rcu (mm/kmemleak.c:514) [ 22.848841][ T384] ? 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) [ 22.849070][ T384] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 22.849360][ T384] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715) [ 22.849632][ T384] ? do_sys_openat2 (fs/open.c:1405) [ 22.849861][ T384] ? do_sys_openat2 (fs/open.c:1411) [ 22.850077][ T384] ? do_sys_openat2 (fs/open.c:1411) [ 22.850308][ T384] __sys_sendmsg (net/socket.c:2654) [ 22.850523][ T384] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 22.850764][ T384] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 22.850973][ T384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.851261][ T384] RIP: 0033:0x7f3d1c9da9a7 [ 22.851516][ T384] Code: Unable to access opcode bytes at 0x7f3d1c9da97d. Code starting with the faulting instruction =========================================== [ 22.851763][ T384] RSP: 002b:00007ffd95eabf28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.852035][ T384] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f3d1c9da9a7 [ 22.852342][ T384] RDX: 0000000000000000 RSI: 00007ffd95eabf90 RDI: 0000000000000005 [ 22.852645][ T384] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000 [ 22.852939][ T384] R10: 00007f3d1c893708 R11: 0000000000000246 R12: 0000000000000000 [ 22.853278][ T384] R13: 0000000067858229 R14: 0000000000483b60 R15: 00007ffd95eb196e | [ 22.856153][ T384] #1: ffff88800108d710 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) | [ 22.856496][ T384] #2: ffffffff8e3ddcd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191) | [ 22.856831][ T384] stack backtrace: | [ 22.857340][ T384] Tainted: [W]=WARN [ 22.857504][ T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.857709][ T384] Call Trace: [ 22.857924][ T384] [ 22.858045][ T384] dump_stack_lvl (lib/dump_stack.c:123) [ 22.858211][ T384] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176) [ 22.858374][ T384] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851) [ 22.858536][ T384] ? 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) [ 22.858728][ T384] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 22.858883][ T384] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 22.859053][ T384] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 22.859228][ T384] ? 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) [ 22.859437][ T384] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735) [ 22.859600][ T384] ? 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) [ 22.859810][ T384] ? 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) [ 22.859999][ T384] ? __pfx___mutex_lock (kernel/locking/mutex.c:734) [ 22.860146][ T384] ? static_key_slow_inc (kernel/jump_label.c:191) [ 22.860320][ T384] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 22.860462][ T384] ? 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)) [ 22.860651][ T384] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128) [ 22.860851][ T384] ? 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) [ 22.861035][ T384] 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) [ 22.861211][ T384] static_key_slow_inc (kernel/jump_label.c:191) [ 22.861352][ T384] tc_new_tfilter (net/sched/cls_api.c:2385) [ 22.861514][ T384] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 22.861627][ T384] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 22.861782][ T384] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 22.861967][ T384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 22.862123][ T384] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 22.862279][ T384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 22.862436][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 22.862597][ T384] ? 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) [ 22.862755][ T384] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 22.862883][ T384] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 22.863041][ T384] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 22.863196][ T384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 22.863350][ T384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 22.863512][ T384] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 22.863683][ T384] ? 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) [ 22.863852][ T384] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 22.864022][ T384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 22.864178][ T384] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 22.864338][ T384] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 22.864496][ T384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 22.864653][ T384] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 22.864827][ T384] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 22.865008][ T384] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 22.865184][ T384] ___sys_sendmsg (net/socket.c:2624) [ 22.865346][ T384] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) [ 22.865526][ T384] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 22.865662][ T384] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) [ 22.865877][ T384] ? __pfx_free_object_rcu (mm/kmemleak.c:514) [ 22.866041][ T384] ? 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) [ 22.866211][ T384] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 22.866446][ T384] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715) [ 22.866611][ T384] ? do_sys_openat2 (fs/open.c:1405) [ 22.866775][ T384] ? do_sys_openat2 (fs/open.c:1411) [ 22.866930][ T384] ? do_sys_openat2 (fs/open.c:1411) [ 22.867135][ T384] __sys_sendmsg (net/socket.c:2654) [ 22.867297][ T384] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 22.867459][ T384] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 22.867614][ T384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.867827][ T384] RIP: 0033:0x7f3d1c9da9a7 [ 22.868003][ T384] Code: Unable to access opcode bytes at 0x7f3d1c9da97d. Code starting with the faulting instruction =========================================== [ 22.868208][ T384] RSP: 002b:00007ffd95eabf28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.868460][ T384] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f3d1c9da9a7 [ 22.868710][ T384] RDX: 0000000000000000 RSI: 00007ffd95eabf90 RDI: 0000000000000005 [ 22.868959][ T384] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000 [ 22.869204][ T384] R10: 00007f3d1c893708 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