====================================== | [ 71.505230][ T578] RCU nest depth: 0, expected: 0 | [ 71.505429][ T578] 2 locks held by tc/578: | [ 71.505561][ T578] #0: ffffffffba9e7e88 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261) | [ 71.505898][ T578] #1: ffff88800bae5b90 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) [ 71.506492][ T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 71.506721][ T578] Call Trace: [ 71.506870][ T578] [ 71.506971][ T578] dump_stack_lvl (lib/dump_stack.c:123) [ 71.507167][ T578] __might_resched (kernel/sched/core.c:8759) [ 71.507342][ T578] ? tc_new_tfilter (net/sched/cls_api.c:2383) [ 71.507527][ T578] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490) [ 71.507879][ T578] static_key_slow_inc (kernel/jump_label.c:191) [ 71.508067][ T578] tc_new_tfilter (net/sched/cls_api.c:2385) [ 71.508257][ T578] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 71.508393][ T578] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 71.508599][ T578] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 71.508775][ T578] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 71.508941][ T578] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 71.509122][ T578] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 71.509293][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 71.509475][ T578] ? 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) [ 71.509649][ T578] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 71.509800][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 71.509984][ T578] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 71.510167][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 71.510359][ T578] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 71.510542][ T578] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 71.510711][ T578] ? 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) [ 71.510893][ T578] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 71.511078][ T578] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 71.511247][ T578] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 71.511437][ T578] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 71.511608][ T578] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 71.511786][ T578] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 71.511957][ T578] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 71.512137][ T578] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 71.512365][ T578] ___sys_sendmsg (net/socket.c:2624) [ 71.512536][ T578] ? 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) [ 71.512703][ T578] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 71.512882][ T578] ? usage_skip (kernel/locking/lockdep.c:2284) [ 71.513055][ T578] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1340) [ 71.513221][ T578] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1340) [ 71.513409][ T578] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 71.513579][ T578] ? __lock_release (kernel/locking/lockdep.c:5525) [ 71.513756][ T578] __sys_sendmsg (net/socket.c:2654) [ 71.513942][ T578] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 71.514129][ T578] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340) [ 71.514314][ T578] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 71.514500][ T578] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 71.514747][ T578] RIP: 0033:0x7f70a64009a7 [ 71.514943][ T578] Code: Unable to access opcode bytes at 0x7f70a640097d. Code starting with the faulting instruction =========================================== [ 71.515189][ T578] RSP: 002b:00007ffc994632e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.515461][ T578] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f70a64009a7 [ 71.515740][ T578] RDX: 0000000000000000 RSI: 00007ffc99463350 RDI: 0000000000000005 [ 71.516012][ T578] RBP: 0000000000000300 R08: 0000000000000000 R09: 0000000000000003 [ 71.516288][ T578] R10: 00007f70a62b9708 R11: 0000000000000246 R12: 00007ffc9946896e [ 71.516564][ T578] R13: 000000006785861d R14: 0000000000483b60 R15: 00007ffc99468972 | [ 71.519299][ T578] #1: ffff88800bae5b90 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) | [ 71.519557][ T578] #2: ffffffffb9fddcd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191) | [ 71.519812][ T578] stack backtrace: | [ 71.520163][ T578] Tainted: [W]=WARN [ 71.520268][ T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 71.520437][ T578] Call Trace: [ 71.520543][ T578] [ 71.520614][ T578] dump_stack_lvl (lib/dump_stack.c:123) [ 71.520758][ T578] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176) [ 71.520900][ T578] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851) [ 71.521045][ T578] ? 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) [ 71.521234][ T578] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 71.521386][ T578] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 71.521537][ T578] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 71.521677][ T578] ? 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) [ 71.521851][ T578] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735) [ 71.521987][ T578] ? 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) [ 71.522173][ T578] ? 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) [ 71.522353][ T578] ? __pfx___mutex_lock (kernel/locking/mutex.c:734) [ 71.522489][ T578] ? static_key_slow_inc (kernel/jump_label.c:191) [ 71.522635][ T578] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 71.522771][ T578] ? 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)) [ 71.522952][ T578] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128) [ 71.523131][ T578] ? 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) [ 71.523308][ T578] 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) [ 71.523483][ T578] static_key_slow_inc (kernel/jump_label.c:191) [ 71.523617][ T578] tc_new_tfilter (net/sched/cls_api.c:2385) [ 71.523766][ T578] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 71.523872][ T578] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 71.524033][ T578] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 71.524180][ T578] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 71.524321][ T578] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 71.524465][ T578] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 71.524601][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 71.524743][ T578] ? 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) [ 71.524882][ T578] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 71.524995][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 71.525150][ T578] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 71.525297][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 71.525432][ T578] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 71.525587][ T578] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 71.525728][ T578] ? 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) [ 71.525873][ T578] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 71.526008][ T578] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 71.526167][ T578] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 71.526307][ T578] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 71.526458][ T578] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 71.526594][ T578] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 71.526729][ T578] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 71.526871][ T578] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 71.527048][ T578] ___sys_sendmsg (net/socket.c:2624) [ 71.527275][ T578] ? 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) [ 71.527410][ T578] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 71.527547][ T578] ? usage_skip (kernel/locking/lockdep.c:2284) [ 71.527691][ T578] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1340) [ 71.527906][ T578] ? do_user_addr_fault (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 ./include/linux/mm.h:740 arch/x86/mm/fault.c:1340) [ 71.528096][ T578] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 71.528306][ T578] ? __lock_release (kernel/locking/lockdep.c:5525) [ 71.528514][ T578] __sys_sendmsg (net/socket.c:2654) [ 71.528850][ T578] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 71.529066][ T578] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340) [ 71.529277][ T578] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 71.529484][ T578] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 71.529863][ T578] RIP: 0033:0x7f70a64009a7 [ 71.530018][ T578] Code: Unable to access opcode bytes at 0x7f70a640097d. Code starting with the faulting instruction =========================================== [ 71.530203][ T578] RSP: 002b:00007ffc994632e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.530499][ T578] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007f70a64009a7 [ 71.530711][ T578] RDX: 0000000000000000 RSI: 00007ffc99463350 RDI: 0000000000000005 [ 71.530915][ T578] RBP: 0000000000000300 R08: 0000000000000000 R09: 0000000000000003 [ 71.531211][ T578] R10: 00007f70a62b9708 R11: 0000000000000246 R12: 00007ffc9946896e 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