====================================== | [ 17.667254][ T377] RCU nest depth: 0, expected: 0 | [ 17.667511][ T377] 2 locks held by tc/377: | [ 17.667713][ T377] #0: ffffffffb99e7e88 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261) | [ 17.668222][ T377] #1: ffff88800a0f8b10 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) [ 17.669123][ T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.669437][ T377] Call Trace: [ 17.669649][ T377] [ 17.669805][ T377] dump_stack_lvl (lib/dump_stack.c:123) [ 17.670087][ T377] __might_resched (kernel/sched/core.c:8759) [ 17.670345][ T377] ? tc_new_tfilter (net/sched/cls_api.c:2383) [ 17.670612][ T377] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490) [ 17.670873][ T377] static_key_slow_inc (kernel/jump_label.c:191) [ 17.671136][ T377] tc_new_tfilter (net/sched/cls_api.c:2385) [ 17.671424][ T377] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 17.671635][ T377] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 17.671945][ T377] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 17.672229][ T377] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 17.672732][ T377] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 17.672993][ T377] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 17.673275][ T377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 17.673547][ 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) [ 17.673816][ T377] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 17.674033][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 17.674308][ T377] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 17.674576][ T377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 17.674858][ T377] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 17.675159][ T377] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 17.675460][ 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) [ 17.675745][ T377] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 17.676029][ T377] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 17.676297][ T377] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 17.676590][ T377] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 17.676889][ T377] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 17.677184][ T377] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 17.677457][ T377] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 17.677716][ T377] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 17.678064][ T377] ___sys_sendmsg (net/socket.c:2624) [ 17.678330][ T377] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) [ 17.678663][ T377] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 17.678944][ T377] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) [ 17.679272][ T377] ? __pfx_free_object_rcu (mm/kmemleak.c:514) [ 17.679532][ 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) [ 17.679812][ T377] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 17.680157][ T377] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715) [ 17.680423][ T377] ? do_sys_openat2 (fs/open.c:1405) [ 17.680696][ T377] ? do_sys_openat2 (fs/open.c:1411) [ 17.680969][ T377] ? do_sys_openat2 (fs/open.c:1411) [ 17.681235][ T377] __sys_sendmsg (net/socket.c:2654) [ 17.681482][ T377] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 17.681792][ T377] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 17.682069][ T377] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 17.682417][ T377] RIP: 0033:0x7f5f2c4479a7 [ 17.682714][ T377] Code: Unable to access opcode bytes at 0x7f5f2c44797d. Code starting with the faulting instruction =========================================== [ 17.683081][ T377] RSP: 002b:00007ffdad40ea78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.683484][ T377] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f5f2c4479a7 [ 17.683884][ T377] RDX: 0000000000000000 RSI: 00007ffdad40eae0 RDI: 0000000000000005 [ 17.684282][ T377] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000 [ 17.684698][ T377] R10: 00007f5f2c300708 R11: 0000000000000246 R12: 0000000000000000 [ 17.685096][ T377] R13: 0000000067858569 R14: 0000000000483b60 R15: 00007ffdad414991 | [ 17.688400][ T377] #1: ffff88800a0f8b10 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) | [ 17.688776][ T377] #2: ffffffffb8fddcd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191) | [ 17.689185][ T377] stack backtrace: | [ 17.689739][ T377] Tainted: [W]=WARN [ 17.689950][ T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.690220][ T377] Call Trace: [ 17.690384][ T377] [ 17.690505][ T377] dump_stack_lvl (lib/dump_stack.c:123) [ 17.690721][ T377] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176) [ 17.690938][ T377] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851) [ 17.691163][ 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) [ 17.691421][ T377] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 17.691614][ T377] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 17.691810][ T377] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 17.692015][ 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) [ 17.692255][ T377] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735) [ 17.692438][ 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) [ 17.692695][ 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) [ 17.692946][ T377] ? __pfx___mutex_lock (kernel/locking/mutex.c:734) [ 17.693134][ T377] ? static_key_slow_inc (kernel/jump_label.c:191) [ 17.693336][ T377] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 17.693545][ 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)) [ 17.693809][ T377] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128) [ 17.694080][ 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) [ 17.694340][ 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) [ 17.694601][ T377] static_key_slow_inc (kernel/jump_label.c:191) [ 17.694811][ T377] tc_new_tfilter (net/sched/cls_api.c:2385) [ 17.695028][ T377] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 17.695191][ T377] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 17.695413][ T377] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 17.695638][ T377] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 17.695850][ T377] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 17.696058][ T377] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 17.696268][ T377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 17.696464][ 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) [ 17.696664][ T377] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 17.696814][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 17.697027][ T377] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 17.697239][ T377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 17.697453][ T377] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 17.697672][ T377] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 17.697883][ 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) [ 17.698096][ T377] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 17.698311][ T377] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 17.698522][ T377] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 17.698727][ T377] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 17.698941][ T377] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 17.699158][ T377] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 17.699375][ T377] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 17.699585][ T377] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 17.699864][ T377] ___sys_sendmsg (net/socket.c:2624) [ 17.700081][ T377] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) [ 17.700341][ T377] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 17.700552][ T377] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) [ 17.700812][ T377] ? __pfx_free_object_rcu (mm/kmemleak.c:514) [ 17.701027][ 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) [ 17.701249][ T377] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 17.701517][ T377] ? kmem_cache_free (mm/slub.c:4613 mm/slub.c:4715) [ 17.701742][ T377] ? do_sys_openat2 (fs/open.c:1405) [ 17.701947][ T377] ? do_sys_openat2 (fs/open.c:1411) [ 17.702141][ T377] ? do_sys_openat2 (fs/open.c:1411) [ 17.702348][ T377] __sys_sendmsg (net/socket.c:2654) [ 17.702558][ T377] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 17.702698][ T377] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 17.702847][ T377] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 17.703022][ T377] RIP: 0033:0x7f5f2c4479a7 [ 17.703185][ T377] Code: Unable to access opcode bytes at 0x7f5f2c44797d. Code starting with the faulting instruction =========================================== [ 17.703360][ T377] RSP: 002b:00007ffdad40ea78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.703564][ T377] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f5f2c4479a7 [ 17.703776][ T377] RDX: 0000000000000000 RSI: 00007ffdad40eae0 RDI: 0000000000000005 [ 17.704000][ T377] RBP: 0000000000000081 R08: 0000000000000000 R09: 0000000000000000 [ 17.704204][ T377] R10: 00007f5f2c300708 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