====================================== | [ 11.892685][ T266] softirqs last disabled at (14364): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.892687][ T266] Preemption disabled at: | [ 11.892688][ T266] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.892697][ T266] Tainted: [W]=WARN [ 11.892698][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.892700][ T266] Call Trace: [ 11.892701][ T266] [ 11.892703][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.892709][ T266] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.892711][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 11.892715][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.892719][ T266] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.892724][ T266] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.892726][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.892732][ T266] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.892735][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.892738][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 11.892740][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.892745][ T266] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.892748][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.892751][ T266] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.892753][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.892754][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.892758][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.892760][ T266] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.892763][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.892767][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.892771][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.892774][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.892776][ T266] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.892779][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.892781][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.892785][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.892789][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.892791][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.892796][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.892799][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.892801][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.892803][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.892806][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.892808][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.892811][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 11.892815][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.892818][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.892819][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.892824][ T266] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.892827][ T266] _printk (kernel/printk/printk.c:2504) [ 11.892831][ T266] ? snapshot_read.cold (user.c:?) [ 11.892834][ T266] ? br_multicast_flood (??:?) bridge [ 11.892847][ T266] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.892848][ T266] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.892849][ T266] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.892854][ T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.892863][ T266] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.892872][ T266] new_nbp (net/bridge/br_if.c:449) bridge [ 11.892881][ T266] br_add_if (net/bridge/br_if.c:592) bridge [ 11.892887][ T266] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.892892][ T266] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.892895][ T266] ? __kernel_text_address (kernel/extable.c:79) [ 11.892898][ T266] do_set_master (net/core/rtnetlink.c:3071) [ 11.892903][ T266] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.892906][ T266] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.892909][ T266] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.892910][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.892912][ T266] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.892916][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.892918][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.892920][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.892923][ T266] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.892926][ T266] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.892927][ T266] ? kasan_save_track (mm/kasan/common.c:78) [ 11.892930][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.892932][ T266] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 11.892934][ T266] ? ___sys_sendmsg (net/socket.c:2757) [ 11.892939][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.892941][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.892943][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.892946][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.892947][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.892949][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.892951][ T266] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.892955][ T266] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 11.892956][ T266] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.892959][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.892962][ T266] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.892963][ T266] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.892968][ T266] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.892973][ T266] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.892978][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.892980][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.892985][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.892986][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.892988][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.892990][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.892994][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.892996][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.892999][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.893000][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.893004][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.893006][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.893009][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.893011][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.893014][ T266] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.893020][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 11.893022][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 11.893026][ T266] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.893035][ T266] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.893037][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.893041][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.893045][ T266] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.893049][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.893054][ T266] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.893056][ T266] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.893058][ T266] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.893060][ T266] ? move_addr_to_kernel (net/socket.c:258) [ 11.893067][ T266] ___sys_sendmsg (net/socket.c:2767) [ 11.893070][ T266] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.893085][ T266] __sys_sendmsg (net/socket.c:2799) [ 11.893088][ T266] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.893094][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.893098][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.893100][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.893103][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.893105][ T266] RIP: 0033:0x7f447add354e [ 11.893109][ T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 11.893110][ T266] RSP: 002b:00007ffcc5543c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.893113][ T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f447add354e [ 11.893115][ T266] RDX: 0000000000000000 RSI: 00007ffcc5543cd0 RDI: 0000000000000005 [ 11.893115][ T266] RBP: 00007ffcc5543c30 R08: 0000000000000000 R09: 0000000000000000 [ 11.893116][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91622b [ 11.893117][ T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc5544390 | [ 14.588784][ T362] softirqs last disabled at (12624): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 14.588786][ T362] Preemption disabled at: | [ 14.588787][ T362] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.588796][ T362] Tainted: [W]=WARN [ 14.588797][ T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.588799][ T362] Call Trace: [ 14.588801][ T362] [ 14.588802][ T362] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.588808][ T362] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.588810][ T362] __might_resched.cold (kernel/sched/core.c:9234) [ 14.588815][ T362] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.588819][ T362] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.588824][ T362] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.588826][ T362] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.588832][ T362] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.588835][ T362] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.588838][ T362] put_chars (drivers/char/virtio_console.c:1176) [ 14.588840][ T362] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.588842][ T362] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.588845][ T362] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.588850][ T362] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.588852][ T362] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.588855][ T362] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.588859][ T362] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.588860][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.588862][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.588866][ T362] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.588868][ T362] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.588871][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.588874][ T362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.588877][ T362] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.588881][ T362] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.588883][ T362] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.588886][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.588888][ T362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.588892][ T362] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.588897][ T362] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.588898][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.588904][ T362] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.588906][ T362] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.588908][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.588911][ T362] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.588914][ T362] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.588916][ T362] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.588919][ T362] vprintk_emit (kernel/printk/printk.c:2479) [ 14.588923][ T362] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.588926][ T362] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.588928][ T362] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.588932][ T362] _printk (kernel/printk/printk.c:2504) [ 14.588936][ T362] ? snapshot_read.cold (user.c:?) [ 14.588940][ T362] ? br_multicast_flood (??:?) bridge [ 14.588953][ T362] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.588954][ T362] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.588955][ T362] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.588960][ T362] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 14.588970][ T362] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 14.588978][ T362] new_nbp (net/bridge/br_if.c:449) bridge [ 14.588988][ T362] br_add_if (net/bridge/br_if.c:592) bridge [ 14.588995][ T362] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 14.588999][ T362] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.589002][ T362] ? __kernel_text_address (kernel/extable.c:79) [ 14.589006][ T362] do_set_master (net/core/rtnetlink.c:3071) [ 14.589010][ T362] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.589013][ T362] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.589017][ T362] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.589018][ T362] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.589020][ T362] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.589023][ T362] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.589026][ T362] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.589028][ T362] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.589031][ T362] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.589034][ T362] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.589035][ T362] ? kasan_save_track (mm/kasan/common.c:78) [ 14.589038][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.589046][ T362] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 14.589049][ T362] ? ___sys_sendmsg (net/socket.c:2757) [ 14.589053][ T362] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.589055][ T362] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.589058][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.589060][ T362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.589062][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.589064][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.589066][ T362] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.589070][ T362] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 14.589073][ T362] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.589075][ T362] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.589079][ T362] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.589080][ T362] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.589085][ T362] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.589090][ T362] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.589095][ T362] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.589097][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.589101][ T362] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.589103][ T362] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.589105][ T362] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.589107][ T362] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.589110][ T362] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.589112][ T362] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.589115][ T362] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.589117][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.589121][ T362] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.589123][ T362] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.589126][ T362] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.589128][ T362] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.589131][ T362] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.589137][ T362] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.589138][ T362] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.589142][ T362] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.589146][ T362] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.589149][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.589153][ T362] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.589156][ T362] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.589160][ T362] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.589166][ T362] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.589168][ T362] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.589170][ T362] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.589172][ T362] ? move_addr_to_kernel (net/socket.c:258) [ 14.589179][ T362] ___sys_sendmsg (net/socket.c:2767) [ 14.589181][ T362] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.589196][ T362] __sys_sendmsg (net/socket.c:2799) [ 14.589199][ T362] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.589205][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.589209][ T362] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.589211][ T362] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.589214][ T362] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.589217][ T362] RIP: 0033:0x7f3f7de7154e [ 14.589220][ T362] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.589222][ T362] RSP: 002b:00007fffa5c60dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.589225][ T362] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3f7de7154e [ 14.589226][ T362] RDX: 0000000000000000 RSI: 00007fffa5c60e80 RDI: 0000000000000005 [ 14.589227][ T362] RBP: 00007fffa5c60de0 R08: 0000000000000000 R09: 0000000000000000 [ 14.589228][ T362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91622e [ 14.589229][ T362] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa5c61540 | [ 16.634187][ C0] | [ 16.634187][ C0] | [ 16.634187][ C0] stack backtrace: | [ 16.634193][ C0] Tainted: [W]=WARN [ 16.634194][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.634196][ C0] Call Trace: [ 16.634197][ C0] [ 16.634198][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.634202][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 16.634205][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 16.634208][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 16.634209][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 16.634211][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 16.634213][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.634215][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.634217][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634220][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.634222][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.634224][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.634225][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 16.634227][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.634229][ C0] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.634231][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634232][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.634234][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.634237][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.634238][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.634240][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.634242][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.634244][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634246][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.634247][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.634249][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.634251][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 16.634253][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.634255][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.634257][ C0] _printk (kernel/printk/printk.c:2504) [ 16.634259][ C0] ? snapshot_read.cold (user.c:?) [ 16.634260][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.634263][ C0] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.634270][ C0] ? idr_get_free (??:?) [ 16.634273][ C0] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.634279][ C0] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.634286][ C0] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 16.634294][ C0] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 16.634301][ C0] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.634308][ C0] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.634314][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.634316][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.634318][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634320][ C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.634326][ C0] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.634333][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.634335][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.634336][ C0] ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 16.634338][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.634340][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.634341][ C0] ? do_xdp_generic (net/core/dev.c:5732) [ 16.634344][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 16.634346][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 16.634348][ C0] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 16.634350][ C0] ? __unwind_start (arch/x86/kernel/unwind_orc.c:787) [ 16.634351][ C0] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.634354][ C0] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.634356][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.634357][ C0] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 16.634359][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.634361][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.634363][ C0] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.634365][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.634367][ C0] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.634368][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.634370][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.634372][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.634374][ C0] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 16.634375][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.634377][ C0] ? netif_receive_skb_list (net/core/dev.c:6551) [ 16.634379][ C0] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 16.634381][ C0] gro_cell_poll (net/core/gro_cells.c:76) [ 16.634384][ C0] __napi_poll (net/core/dev.c:7787) [ 16.634386][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.634388][ C0] ? __napi_poll (./include/net/gro.h:507) [ 16.634390][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.634393][ C0] ? __schedule (kernel/sched/core.c:7277) [ 16.634395][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634397][ C0] handle_softirqs (kernel/softirq.c:645) [ 16.634399][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.634400][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634402][ C0] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 16.634404][ C0] smpboot_thread_fn (kernel/smpboot.c:160) [ 16.634406][ C0] ? sort_range (kernel/range.c:164) [ 16.634407][ C0] kthread (kernel/kthread.c:436) [ 16.634409][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.634411][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.634413][ C0] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.634414][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.634416][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.634419][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.634421][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 16.634439][ C0] softirqs last disabled at (745939): run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) | [ 16.634441][ C0] Preemption disabled at: | [ 16.634441][ C0] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) | [ 16.634446][ C0] Tainted: [W]=WARN [ 16.634446][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.634447][ C0] Call Trace: [ 16.634447][ C0] [ 16.634448][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.634450][ C0] ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) [ 16.634455][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 16.634457][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.634460][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634462][ C0] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 16.634464][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.634466][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.634467][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.634469][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.634471][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 16.634472][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.634474][ C0] ? mark_lock (kernel/locking/lockdep.c:4769) [ 16.634476][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.634478][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.634480][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634481][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634484][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.634486][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.634487][ C0] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.634489][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634491][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.634493][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.634495][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.634496][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.634499][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.634500][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.634502][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634504][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.634506][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.634507][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.634509][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 16.634511][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.634513][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.634515][ C0] _printk (kernel/printk/printk.c:2504) [ 16.634517][ C0] ? snapshot_read.cold (user.c:?) [ 16.634518][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.634520][ C0] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.634526][ C0] ? idr_get_free (??:?) [ 16.634529][ C0] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.634536][ C0] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.634542][ C0] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 16.634548][ C0] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 16.634554][ C0] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.634561][ C0] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.634567][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.634569][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.634570][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634573][ C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.634579][ C0] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.634585][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.634587][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.634589][ C0] ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 16.634590][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.634592][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.634593][ C0] ? do_xdp_generic (net/core/dev.c:5732) [ 16.634596][ C0] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 16.634597][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 16.634599][ C0] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 16.634601][ C0] ? __unwind_start (arch/x86/kernel/unwind_orc.c:787) [ 16.634603][ C0] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.634605][ C0] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.634607][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.634609][ C0] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 16.634611][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.634612][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.634614][ C0] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.634616][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.634617][ C0] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.634619][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.634620][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.634622][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.634624][ C0] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 16.634626][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.634628][ C0] ? netif_receive_skb_list (net/core/dev.c:6551) [ 16.634630][ C0] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 16.634632][ C0] gro_cell_poll (net/core/gro_cells.c:76) [ 16.634634][ C0] __napi_poll (net/core/dev.c:7787) [ 16.634636][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.634639][ C0] ? __napi_poll (./include/net/gro.h:507) [ 16.634641][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.634643][ C0] ? __schedule (kernel/sched/core.c:7277) [ 16.634645][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634647][ C0] handle_softirqs (kernel/softirq.c:645) [ 16.634649][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.634650][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.634652][ C0] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 16.634654][ C0] smpboot_thread_fn (kernel/smpboot.c:160) [ 16.634656][ C0] ? sort_range (kernel/range.c:164) [ 16.634657][ C0] kthread (kernel/kthread.c:436) [ 16.634659][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.634660][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.634662][ C0] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.634663][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.634665][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.634666][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.634668][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.520656][ T12] softirqs last disabled at (38460): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 32.520659][ T12] Preemption disabled at: | [ 32.520660][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.520672][ T12] Tainted: [W]=WARN [ 32.520673][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.520675][ T12] Workqueue: netns cleanup_net [ 32.520681][ T12] Call Trace: [ 32.520682][ T12] [ 32.520684][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.520689][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.520691][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 32.520695][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.520698][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.520702][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 32.520706][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.520709][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.520712][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.520714][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.520716][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 32.520717][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 32.520719][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.520721][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 32.520724][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.520727][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.520728][ T12] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 32.520730][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.520731][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.520733][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.520735][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.520737][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.520739][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.520741][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.520743][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.520745][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.520746][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.520748][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.520750][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.520752][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.520755][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.520757][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.520758][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.520760][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.520761][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.520763][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.520764][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.520766][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.520768][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.520770][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 32.520772][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.520774][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 32.520777][ T12] ? kthread (kernel/kthread.c:436) [ 32.520779][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 32.520782][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 32.520784][ T12] _printk (kernel/printk/printk.c:2504) [ 32.520787][ T12] ? snapshot_read.cold (user.c:?) [ 32.520790][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.520792][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.520794][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.520796][ T12] ? netdev_notice (net/core/dev.c:13194) [ 32.520798][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.520800][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 32.520801][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.520804][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 32.520806][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 32.520808][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 32.520811][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 32.520814][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 32.520827][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 32.520835][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 32.520842][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 32.520844][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 32.520846][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 32.520849][ T12] cleanup_net (net/core/net_namespace.c:706) [ 32.520851][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 32.520853][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.520855][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.520857][ T12] process_one_work (kernel/workqueue.c:3387) [ 32.520860][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.520862][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.520864][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.520866][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.520869][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.520871][ T12] kthread (kernel/kthread.c:436) [ 32.520872][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.520874][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.520876][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.520877][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.520879][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.520881][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable run_ksoftirqd:handle_softirqs:dump_stack_lvl:__kmalloc_noprof:put_chars