====================================== | [ 12.278373][ T287] RCU nest depth: 0, expected: 0 | [ 12.278529][ T287] 2 locks held by tc/287: | [ 12.278661][ T287] #0: ffffffffbc209c08 (rtnl_mutex){+.+.}-{4:4}, at: tc_new_tfilter (net/sched/cls_api.c:2261) | [ 12.278972][ T287] #1: ffff88800921f710 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) [ 12.279508][ T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.279711][ T287] Call Trace: [ 12.279839][ T287] [ 12.279927][ T287] dump_stack_lvl (lib/dump_stack.c:123) [ 12.280119][ T287] __might_resched (kernel/sched/core.c:8759) [ 12.280278][ T287] ? tc_new_tfilter (net/sched/cls_api.c:2383) [ 12.280445][ T287] cpus_read_lock (./include/linux/kernel.h:73 ./include/linux/percpu-rwsem.h:49 kernel/cpu.c:490) [ 12.280605][ T287] static_key_slow_inc (kernel/jump_label.c:191) [ 12.280772][ T287] tc_new_tfilter (net/sched/cls_api.c:2385) [ 12.280943][ T287] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 12.281068][ T287] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 12.281255][ T287] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 12.281425][ T287] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 12.281585][ T287] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 12.281746][ T287] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 12.281911][ T287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 12.282080][ T287] ? 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) [ 12.282233][ T287] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 12.282357][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 12.282516][ T287] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 12.282673][ T287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 12.282832][ T287] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 12.283005][ T287] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 12.283168][ T287] ? 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) [ 12.283329][ T287] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 12.283488][ T287] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 12.283645][ T287] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 12.283805][ T287] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 12.283965][ T287] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 12.284133][ T287] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 12.284297][ T287] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 12.284453][ T287] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 12.284662][ T287] ___sys_sendmsg (net/socket.c:2624) [ 12.284814][ T287] ? 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) [ 12.284971][ T287] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 12.285132][ T287] ? usage_skip (kernel/locking/lockdep.c:2314 kernel/locking/lockdep.c:2282) [ 12.285296][ T287] ? 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) [ 12.285456][ T287] ? 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) [ 12.285643][ T287] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 12.285804][ T287] ? __lock_release (kernel/locking/lockdep.c:5525) [ 12.285970][ T287] __sys_sendmsg (net/socket.c:2654) [ 12.286130][ T287] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 12.286299][ T287] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340) [ 12.286468][ T287] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 12.286635][ T287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 12.286839][ T287] RIP: 0033:0x7fe908de59a7 [ 12.287003][ T287] Code: Unable to access opcode bytes at 0x7fe908de597d. Code starting with the faulting instruction =========================================== [ 12.287206][ T287] RSP: 002b:00007ffd89c4f118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 12.287444][ T287] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fe908de59a7 [ 12.287680][ T287] RDX: 0000000000000000 RSI: 00007ffd89c4f180 RDI: 0000000000000005 [ 12.287912][ T287] RBP: 0000000000000300 R08: 0000000000000000 R09: 0038373831687465 [ 12.288145][ T287] R10: 00007fe908c9e708 R11: 0000000000000246 R12: 0000000000000000 [ 12.288377][ T287] R13: 0000000067859628 R14: 0000000000483b60 R15: 00007ffd89c5399f | [ 12.290415][ T287] #1: ffff88800921f710 (&tp->lock){+.+.}-{3:3}, at: tc_new_tfilter (net/sched/cls_api.c:2383) | [ 12.290649][ T287] #2: ffffffffbb7f1cd0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc (kernel/jump_label.c:191) | [ 12.290885][ T287] stack backtrace: | [ 12.291224][ T287] Tainted: [W]=WARN [ 12.291321][ T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.291499][ T287] Call Trace: [ 12.291602][ T287] [ 12.291673][ T287] dump_stack_lvl (lib/dump_stack.c:123) [ 12.291808][ T287] __lock_acquire (kernel/locking/lockdep.c:4828 kernel/locking/lockdep.c:4898 kernel/locking/lockdep.c:5176) [ 12.291942][ T287] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851) [ 12.292073][ T287] ? 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) [ 12.292239][ T287] ? 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) [ 12.292371][ T287] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 12.292503][ T287] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 12.292646][ T287] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 12.292773][ T287] ? 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) [ 12.292931][ T287] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735) [ 12.293058][ T287] ? 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) [ 12.293219][ T287] ? 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) [ 12.293377][ T287] ? __pfx___mutex_lock (kernel/locking/mutex.c:734) [ 12.293505][ T287] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 12.293636][ T287] ? 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)) [ 12.293795][ T287] ? __pfx_static_key_fast_inc_not_disabled (kernel/jump_label.c:128) [ 12.293956][ T287] ? 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) [ 12.294119][ T287] 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) [ 12.294276][ T287] static_key_slow_inc (kernel/jump_label.c:191) [ 12.294404][ T287] tc_new_tfilter (net/sched/cls_api.c:2385) [ 12.294534][ T287] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 12.294633][ T287] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 12.294770][ T287] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 12.294901][ T287] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6912) [ 12.295030][ T287] ? __pfx_tc_new_tfilter (net/sched/cls_api.c:2186) [ 12.295158][ T287] rtnetlink_rcv_msg (net/core/rtnetlink.c:6914) [ 12.295287][ T287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 12.295420][ T287] ? 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) [ 12.295549][ T287] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 12.295649][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 12.295779][ T287] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 12.295910][ T287] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6817) [ 12.296040][ T287] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 12.296172][ T287] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 12.296302][ T287] ? 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) [ 12.296435][ T287] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 12.296563][ T287] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 12.296692][ T287] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 12.296822][ T287] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 12.296950][ T287] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 12.297081][ T287] ____sys_sendmsg (net/socket.c:713 net/socket.c:728 net/socket.c:2568) [ 12.297209][ T287] ? __pfx_____sys_sendmsg (net/socket.c:2514) [ 12.297339][ T287] ? __pfx_copy_msghdr_from_user (net/socket.c:2494) [ 12.297501][ T287] ___sys_sendmsg (net/socket.c:2624) [ 12.297626][ T287] ? 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) [ 12.297754][ T287] ? __pfx____sys_sendmsg (net/socket.c:2611) [ 12.297884][ T287] ? usage_skip (kernel/locking/lockdep.c:2314 kernel/locking/lockdep.c:2282) [ 12.298014][ T287] ? 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) [ 12.298141][ T287] ? 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) [ 12.298274][ T287] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 12.298402][ T287] ? __lock_release (kernel/locking/lockdep.c:5525) [ 12.298532][ T287] __sys_sendmsg (net/socket.c:2654) [ 12.298660][ T287] ? __pfx___sys_sendmsg (net/socket.c:2639) [ 12.298789][ T287] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1340) [ 12.298919][ T287] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 12.299051][ T287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 12.299213][ T287] RIP: 0033:0x7fe908de59a7 [ 12.299348][ T287] Code: Unable to access opcode bytes at 0x7fe908de597d. Code starting with the faulting instruction =========================================== [ 12.299514][ T287] RSP: 002b:00007ffd89c4f118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 12.299708][ T287] RAX: ffffffffffffffda RBX: 000000000047dbc0 RCX: 00007fe908de59a7 [ 12.299899][ T287] RDX: 0000000000000000 RSI: 00007ffd89c4f180 RDI: 0000000000000005 [ 12.300119][ T287] RBP: 0000000000000300 R08: 0000000000000000 R09: 0038373831687465 [ 12.300316][ T287] R10: 00007fe908c9e708 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