====================================== | [ 13.723229][ T264] softirqs last disabled at (22799): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.723232][ T264] Preemption disabled at: | [ 13.723233][ T264] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.723245][ T264] Tainted: [W]=WARN [ 13.723246][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.723248][ T264] Call Trace: [ 13.723251][ T264] [ 13.723253][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.723260][ T264] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.723263][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 13.723269][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.723275][ T264] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.723282][ T264] __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)) [ 13.723286][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.723294][ T264] ? 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) [ 13.723298][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.723303][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 13.723308][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.723316][ T264] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.723322][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.723325][ T264] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.723328][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.723330][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.723337][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.723340][ T264] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.723346][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.723351][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.723358][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.723364][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.723366][ T264] ? 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)) [ 13.723371][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.723375][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.723382][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.723389][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.723392][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.723401][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.723405][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.723408][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.723411][ T264] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.723420][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.723423][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.723429][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 13.723440][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.723444][ T264] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.723446][ T264] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 13.723452][ T264] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.723458][ T264] _printk (kernel/printk/printk.c:2504) [ 13.723463][ T264] ? snapshot_read.cold (user.c:?) [ 13.723469][ T264] ? br_multicast_flood (??:?) bridge [ 13.723487][ T264] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.723489][ T264] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.723491][ T264] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.723498][ T264] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 13.723515][ T264] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 13.723529][ T264] new_nbp (net/bridge/br_if.c:449) bridge [ 13.723545][ T264] br_add_if (net/bridge/br_if.c:592) bridge [ 13.723557][ T264] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 13.723562][ T264] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 13.723567][ T264] ? __kernel_text_address (kernel/extable.c:79) [ 13.723573][ T264] do_set_master (net/core/rtnetlink.c:3071) [ 13.723581][ T264] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.723587][ T264] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.723591][ T264] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.723593][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.723597][ T264] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.723601][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.723605][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.723608][ T264] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.723612][ T264] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.723616][ T264] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.723619][ T264] ? kasan_save_track (mm/kasan/common.c:78) [ 13.723623][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.723626][ T264] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 13.723630][ T264] ? ___sys_sendmsg (net/socket.c:2757) [ 13.723637][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.723640][ T264] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.723645][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.723648][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.723651][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.723653][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.723657][ T264] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.723662][ T264] ? __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) [ 13.723665][ T264] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.723668][ T264] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.723674][ T264] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.723677][ T264] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.723686][ T264] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.723695][ T264] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.723705][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.723708][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.723716][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.723719][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.723722][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.723725][ T264] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.723732][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.723735][ T264] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.723741][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.723743][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.723751][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.723754][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.723760][ T264] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.723763][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.723768][ T264] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.723779][ T264] ? 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)) [ 13.723782][ T264] ? 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)) [ 13.723789][ T264] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.723796][ T264] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.723800][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.723807][ T264] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.723814][ T264] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.723820][ T264] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 13.723829][ T264] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 13.723833][ T264] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.723837][ T264] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 13.723839][ T264] ? move_addr_to_kernel (net/socket.c:258) [ 13.723853][ T264] ___sys_sendmsg (net/socket.c:2767) [ 13.723858][ T264] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.723887][ T264] __sys_sendmsg (net/socket.c:2799) [ 13.723892][ T264] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.723903][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.723909][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.723912][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.723917][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.723920][ T264] RIP: 0033:0x7f78faaf654e [ 13.723925][ T264] 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 [ 13.723927][ T264] RSP: 002b:00007fff092891d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.723932][ T264] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f78faaf654e [ 13.723934][ T264] RDX: 0000000000000000 RSI: 00007fff09289280 RDI: 0000000000000005 [ 13.723936][ T264] RBP: 00007fff092891e0 R08: 0000000000000000 R09: 0000000000000000 [ 13.723937][ T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91596e [ 13.723939][ T264] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff09289940 | [ 14.869114][ T58] softirqs last disabled at (6256): netif_rx_mode_run (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1296 (discriminator 2)) | [ 14.869117][ T58] Preemption disabled at: | [ 14.869117][ T58] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.869130][ T58] Tainted: [W]=WARN [ 14.869131][ T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.869134][ T58] Workqueue: events netdev_work_proc [ 14.869138][ T58] Call Trace: [ 14.869141][ T58] [ 14.869143][ T58] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.869151][ T58] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.869154][ T58] __might_resched.cold (kernel/sched/core.c:9234) [ 14.869160][ T58] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.869166][ T58] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.869173][ T58] __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)) [ 14.869177][ T58] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.869186][ T58] ? 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) [ 14.869190][ T58] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.869195][ T58] put_chars (drivers/char/virtio_console.c:1176) [ 14.869197][ T58] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 14.869201][ T58] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.869206][ T58] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 14.869215][ T58] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.869225][ T58] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.869229][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.869234][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.869242][ T58] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.869248][ T58] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.869250][ T58] ? 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)) [ 14.869256][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.869260][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.869267][ T58] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.869274][ T58] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.869276][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.869286][ T58] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.869290][ T58] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.869293][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.869297][ T58] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.869303][ T58] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.869305][ T58] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.869311][ T58] vprintk_emit (kernel/printk/printk.c:2479) [ 14.869317][ T58] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.869323][ T58] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.869326][ T58] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.869331][ T58] _printk (kernel/printk/printk.c:2504) [ 14.869336][ T58] ? snapshot_read.cold (user.c:?) [ 14.869339][ T58] ? unwind_next_frame (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2)) [ 14.869345][ T58] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.869349][ T58] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.869352][ T58] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.869357][ T58] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.869363][ T58] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.869367][ T58] ? netdev_notice (net/core/dev.c:13194) [ 14.869374][ T58] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.869377][ T58] ? netif_rx_mode_run (./include/linux/netdevice.h:5009 (discriminator 1) net/core/dev_addr_lists.c:1308 (discriminator 1)) [ 14.869379][ T58] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.869384][ T58] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.869387][ T58] ? 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) [ 14.869393][ T58] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 14.869400][ T58] netif_rx_mode_run (net/core/dev_addr_lists.c:1314) [ 14.869408][ T58] ? netif_rx_mode_cancel_retry (net/core/dev_addr_lists.c:1274) [ 14.869414][ T58] ? ref_tracker_free (lib/ref_tracker.c:339) [ 14.869425][ T58] ? ref_tracker_alloc (lib/ref_tracker.c:283) [ 14.869428][ T58] ? netdev_work_proc (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/core/netdev_work.c:164) [ 14.869432][ T58] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 14.869440][ T58] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.869445][ T58] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.869449][ T58] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.869456][ T58] netdev_work_proc (net/core/netdev_work.c:125 net/core/netdev_work.c:171) [ 14.869461][ T58] ? netdev_work_sched (net/core/netdev_work.c:82) [ 14.869464][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.869468][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.869470][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.869477][ T58] process_one_work (kernel/workqueue.c:3387) [ 14.869489][ T58] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.869494][ T58] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.869508][ T58] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.869515][ T58] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.869518][ T58] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 14.869523][ T58] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.869527][ T58] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.869530][ T58] kthread (kernel/kthread.c:436) [ 14.869533][ T58] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.869537][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.869541][ T58] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.869547][ T58] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.869553][ T58] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.869558][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.869562][ T58] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 17.444213][ T375] softirqs last disabled at (12804): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 17.444216][ T375] Preemption disabled at: | [ 17.444216][ T375] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.444226][ T375] Tainted: [W]=WARN [ 17.444227][ T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.444229][ T375] Call Trace: [ 17.444230][ T375] [ 17.444232][ T375] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.444238][ T375] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.444240][ T375] __might_resched.cold (kernel/sched/core.c:9234) [ 17.444244][ T375] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.444249][ T375] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.444253][ T375] __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)) [ 17.444256][ T375] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.444261][ T375] ? 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) [ 17.444264][ T375] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.444267][ T375] put_chars (drivers/char/virtio_console.c:1176) [ 17.444269][ T375] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 17.444271][ T375] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.444274][ T375] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.444279][ T375] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.444281][ T375] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.444285][ T375] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.444288][ T375] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.444290][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.444291][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.444295][ T375] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.444297][ T375] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.444300][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.444303][ T375] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.444306][ T375] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.444310][ T375] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.444312][ T375] ? 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)) [ 17.444315][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.444318][ T375] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.444321][ T375] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.444326][ T375] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.444327][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.444333][ T375] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.444335][ T375] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.444337][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.444339][ T375] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.444343][ T375] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.444345][ T375] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.444348][ T375] vprintk_emit (kernel/printk/printk.c:2479) [ 17.444352][ T375] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.444354][ T375] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.444357][ T375] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.444360][ T375] _printk (kernel/printk/printk.c:2504) [ 17.444364][ T375] ? snapshot_read.cold (user.c:?) [ 17.444368][ T375] ? br_multicast_flood (??:?) bridge [ 17.444382][ T375] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 17.444383][ T375] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 17.444384][ T375] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 17.444388][ T375] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 17.444398][ T375] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 17.444407][ T375] new_nbp (net/bridge/br_if.c:449) bridge [ 17.444416][ T375] br_add_if (net/bridge/br_if.c:592) bridge [ 17.444425][ T375] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 17.444430][ T375] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 17.444432][ T375] ? __kernel_text_address (kernel/extable.c:79) [ 17.444436][ T375] do_set_master (net/core/rtnetlink.c:3071) [ 17.444441][ T375] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 17.444444][ T375] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 17.444452][ T375] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 17.444453][ T375] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 17.444455][ T375] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 17.444458][ T375] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.444461][ T375] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.444463][ T375] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.444465][ T375] ? kasan_save_stack (mm/kasan/common.c:58) [ 17.444468][ T375] ? kasan_save_stack (mm/kasan/common.c:57) [ 17.444470][ T375] ? kasan_save_track (mm/kasan/common.c:78) [ 17.444472][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.444474][ T375] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 17.444477][ T375] ? ___sys_sendmsg (net/socket.c:2757) [ 17.444481][ T375] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.444483][ T375] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.444486][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.444488][ T375] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.444489][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.444491][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.444493][ T375] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 17.444497][ T375] ? __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) [ 17.444500][ T375] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 17.444502][ T375] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.444506][ T375] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.444507][ T375] ? nla_get_range_signed (lib/nlattr.c:270) [ 17.444512][ T375] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 17.444517][ T375] rtnl_newlink (net/core/rtnetlink.c:4215) [ 17.444522][ T375] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.444524][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.444528][ T375] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.444530][ T375] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.444532][ T375] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.444534][ T375] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.444538][ T375] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.444540][ T375] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 17.444542][ T375] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.444544][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.444548][ T375] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.444550][ T375] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.444553][ T375] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 17.444555][ T375] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.444558][ T375] ? netlink_ack (./include/linux/skbuff.h:2718) [ 17.444564][ T375] ? 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)) [ 17.444565][ T375] ? 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)) [ 17.444569][ T375] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 17.444573][ T375] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.444575][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.444579][ T375] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 17.444583][ T375] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.444587][ T375] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 17.444592][ T375] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 17.444594][ T375] ? copy_msghdr_from_user (net/socket.c:2650) [ 17.444596][ T375] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 17.444598][ T375] ? move_addr_to_kernel (net/socket.c:258) [ 17.444605][ T375] ___sys_sendmsg (net/socket.c:2767) [ 17.444608][ T375] ? copy_msghdr_from_user (net/socket.c:2619) [ 17.444623][ T375] __sys_sendmsg (net/socket.c:2799) [ 17.444626][ T375] ? __sys_sendmsg_sock (net/socket.c:2780) [ 17.444632][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.444635][ T375] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.444637][ T375] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.444640][ T375] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.444643][ T375] RIP: 0033:0x7fd0fc14654e [ 17.444646][ T375] 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 [ 17.444648][ T375] RSP: 002b:00007ffc5377c440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.444651][ T375] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd0fc14654e [ 17.444653][ T375] RDX: 0000000000000000 RSI: 00007ffc5377c4f0 RDI: 0000000000000005 [ 17.444653][ T375] RBP: 00007ffc5377c450 R08: 0000000000000000 R09: 0000000000000000 [ 17.444654][ T375] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915971 [ 17.444655][ T375] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5377cbb0 | [ 18.875962][ C2] | [ 18.875962][ C2] | [ 18.875962][ C2] stack backtrace: | [ 18.875971][ C2] Tainted: [W]=WARN [ 18.875972][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.875975][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 18.875979][ C2] Call Trace: [ 18.875981][ C2] [ 18.875983][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.875989][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 18.875992][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 18.875997][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 18.876000][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 18.876003][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 18.876006][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.876009][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 18.876012][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876016][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.876019][ C2] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 18.876022][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 18.876024][ C2] console_emit_next_record (kernel/printk/printk.c:3177) [ 18.876027][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.876029][ C2] ? 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)) [ 18.876033][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876035][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.876038][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.876042][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.876044][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876048][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.876051][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.876053][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876055][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.876058][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.876061][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.876064][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 18.876067][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.876070][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 18.876074][ C2] _printk (kernel/printk/printk.c:2504) [ 18.876077][ C2] ? snapshot_read.cold (user.c:?) [ 18.876079][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 18.876084][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 18.876095][ C2] ? idr_get_free (??:?) [ 18.876098][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.876101][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.876104][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 18.876116][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 18.876128][ C2] ? __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 [ 18.876142][ C2] ? 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 [ 18.876154][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 18.876166][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.876168][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 18.876180][ C2] ? vxlan_rcv (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/vxlan/vxlan_core.c:1804 (discriminator 2)) vxlan [ 18.876188][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.876190][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876194][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 18.876205][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 18.876216][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 18.876221][ C2] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 18.876225][ C2] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 18.876230][ C2] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 18.876233][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 18.876236][ C2] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 18.876239][ C2] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 18.876242][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876245][ C2] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 18.876248][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.876250][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.876253][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 18.876257][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 18.876260][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.876262][ C2] ? 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)) [ 18.876265][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.876268][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 18.876271][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.876273][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 18.876276][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.876278][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.876281][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876285][ C2] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 18.876287][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.876290][ C2] ? netif_receive_skb_list (net/core/dev.c:6551) [ 18.876293][ C2] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 18.876296][ C2] gro_cell_poll (net/core/gro_cells.c:76) [ 18.876301][ C2] __napi_poll (net/core/dev.c:7787) [ 18.876304][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 18.876307][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876310][ C2] ? __napi_poll (./include/net/gro.h:507) [ 18.876315][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 18.876320][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 18.876323][ C2] handle_softirqs (kernel/softirq.c:645) [ 18.876326][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 18.876328][ C2] ? 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) [ 18.876331][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876333][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 18.876336][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 18.876339][ C2] [ 18.876340][ C2] [ 18.876341][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 18.876343][ C2] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 18.876346][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876350][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 18.876353][ C2] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 18.876356][ C2] ? vlan_dev_hard_header (./include/linux/netdevice.h:3537 net/8021q/vlan_dev.c:84) 8021q [ 18.876360][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 18.876363][ C2] ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611) [ 18.876368][ C2] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 18.876372][ C2] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 18.876374][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.876377][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.876379][ C2] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 18.876383][ C2] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 18.876386][ C2] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 18.876389][ C2] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 18.876391][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.876393][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.876395][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.876397][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 18.876401][ C2] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 18.876405][ C2] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.876409][ C2] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 18.876412][ C2] ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158) [ 18.876419][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 18.876422][ C2] ndisc_send_ns (net/ipv6/ndisc.c:672) [ 18.876424][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.876426][ C2] ? ndisc_router_discovery (net/ipv6/ndisc.c:1317 (discriminator 13)) [ 18.876428][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.876431][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 18.876433][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.876437][ C2] addrconf_dad_work (net/ipv6/addrconf.c:4318) [ 18.876440][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 18.876443][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876446][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876448][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.876451][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876459][ C2] process_one_work (kernel/workqueue.c:3387) [ 18.876463][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.876466][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.876470][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.876474][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.876476][ C2] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 18.876479][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.876482][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.876484][ C2] kthread (kernel/kthread.c:436) [ 18.876487][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.876489][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.876491][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.876495][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.876498][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.876501][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.876504][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.876534][ C2] softirqs last disabled at (27075): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 18.876536][ C2] Preemption disabled at: | [ 18.876537][ C2] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 18.876546][ C2] Tainted: [W]=WARN [ 18.876547][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.876549][ C2] Workqueue: ipv6_addrconf addrconf_dad_work [ 18.876553][ C2] Call Trace: [ 18.876554][ C2] [ 18.876555][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.876560][ C2] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 18.876562][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 18.876566][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.876569][ C2] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 18.876572][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876576][ C2] __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)) [ 18.876579][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.876581][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.876586][ C2] ? 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) [ 18.876588][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.876591][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 18.876594][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.876597][ C2] ? mark_lock (kernel/locking/lockdep.c:4769) [ 18.876600][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.876604][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.876606][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876609][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.876612][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.876615][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.876617][ C2] ? 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)) [ 18.876620][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876623][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.876626][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.876630][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.876632][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876636][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.876639][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.876641][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876644][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.876646][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.876649][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.876652][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 18.876655][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.876658][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 18.876662][ C2] _printk (kernel/printk/printk.c:2504) [ 18.876665][ C2] ? snapshot_read.cold (user.c:?) [ 18.876667][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 18.876671][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 18.876683][ C2] ? idr_get_free (??:?) [ 18.876686][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.876688][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.876691][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 18.876704][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 18.876715][ C2] ? __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 [ 18.876727][ C2] ? 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 [ 18.876738][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 18.876749][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.876752][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 18.876763][ C2] ? vxlan_rcv (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/vxlan/vxlan_core.c:1804 (discriminator 2)) vxlan [ 18.876770][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.876772][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876776][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 18.876787][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 18.876799][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 18.876803][ C2] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 18.876807][ C2] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 18.876812][ C2] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 18.876815][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 18.876818][ C2] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 18.876820][ C2] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 18.876823][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876826][ C2] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 18.876829][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.876831][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.876834][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 18.876838][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 18.876840][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.876843][ C2] ? 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)) [ 18.876846][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.876849][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 18.876851][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.876854][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 18.876857][ C2] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.876859][ C2] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.876862][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876865][ C2] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 18.876868][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.876871][ C2] ? netif_receive_skb_list (net/core/dev.c:6551) [ 18.876874][ C2] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 18.876877][ C2] gro_cell_poll (net/core/gro_cells.c:76) [ 18.876881][ C2] __napi_poll (net/core/dev.c:7787) [ 18.876884][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 18.876888][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876890][ C2] ? __napi_poll (./include/net/gro.h:507) [ 18.876895][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 18.876899][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 18.876902][ C2] handle_softirqs (kernel/softirq.c:645) [ 18.876906][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 18.876908][ C2] ? 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) [ 18.876910][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.876913][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 18.876915][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 18.876917][ C2] [ 18.876918][ C2] [ 18.876919][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 18.876921][ C2] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 18.876925][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.876928][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 18.876930][ C2] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 18.876934][ C2] ? vlan_dev_hard_header (./include/linux/netdevice.h:3537 net/8021q/vlan_dev.c:84) 8021q [ 18.876937][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 18.876940][ C2] ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611) [ 18.876945][ C2] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 18.876948][ C2] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 18.876950][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.876953][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.876956][ C2] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 18.876959][ C2] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 18.876962][ C2] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 18.876964][ C2] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 18.876967][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.876969][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.876971][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.876973][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 18.876977][ C2] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 18.876981][ C2] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.876985][ C2] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 18.876987][ C2] ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158) [ 18.876989][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 18.876992][ C2] ndisc_send_ns (net/ipv6/ndisc.c:672) [ 18.876995][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.876997][ C2] ? ndisc_router_discovery (net/ipv6/ndisc.c:1317 (discriminator 13)) [ 18.876999][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.877001][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 18.877004][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.877007][ C2] addrconf_dad_work (net/ipv6/addrconf.c:4318) [ 18.877010][ C2] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 18.877013][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.877015][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.877018][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.877020][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.877023][ C2] process_one_work (kernel/workqueue.c:3387) [ 18.877028][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.877030][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.877035][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.877038][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.877041][ C2] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 18.877043][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.877046][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.877048][ C2] kthread (kernel/kthread.c:436) [ 18.877050][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.877052][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.877055][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.877058][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.877061][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.877063][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.877066][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.739661][ T70] softirqs last disabled at (27075): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 30.739664][ T70] Preemption disabled at: | [ 30.739665][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.739674][ T70] Tainted: [W]=WARN [ 30.739675][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.739676][ T70] Workqueue: netns cleanup_net [ 30.739682][ T70] Call Trace: [ 30.739683][ T70] [ 30.739684][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.739690][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.739692][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 30.739695][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.739699][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.739702][ T70] __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)) [ 30.739706][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.739708][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.739712][ T70] ? 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) [ 30.739714][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.739716][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 30.739717][ T70] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 30.739719][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.739721][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 30.739723][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.739727][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.739728][ T70] ? 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) [ 30.739730][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.739731][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.739733][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.739735][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.739737][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.739739][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.739741][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.739743][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.739745][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.739746][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.739748][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 30.739750][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.739752][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.739755][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.739756][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.739758][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.739759][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.739761][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.739762][ T70] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.739764][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 30.739766][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.739767][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.739769][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 30.739772][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.739774][ T70] ? process_one_work (kernel/workqueue.c:3387) [ 30.739776][ T70] ? kthread (kernel/kthread.c:436) [ 30.739778][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 30.739781][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 30.739783][ T70] _printk (kernel/printk/printk.c:2504) [ 30.739787][ T70] ? snapshot_read.cold (user.c:?) [ 30.739789][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.739792][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.739794][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.739795][ T70] ? netdev_notice (net/core/dev.c:13194) [ 30.739797][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.739799][ T70] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 30.739801][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 30.739803][ T70] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 30.739805][ T70] ? 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) [ 30.739807][ T70] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 30.739810][ T70] dev_set_allmulti (net/core/dev_api.c:315) [ 30.739812][ T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 30.739825][ T70] br_dev_delete (net/bridge/br_if.c:387) bridge [ 30.739833][ T70] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 30.739841][ T70] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 30.739843][ T70] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 30.739845][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 30.739849][ T70] cleanup_net (net/core/net_namespace.c:706) [ 30.739850][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 30.739852][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.739854][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.739856][ T70] process_one_work (kernel/workqueue.c:3387) [ 30.739859][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 30.739861][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.739863][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.739865][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 30.739867][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.739869][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 30.739871][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.739872][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.739874][ T70] kthread (kernel/kthread.c:436) [ 30.739875][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.739877][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.739879][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 30.739880][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 30.739882][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 30.739885][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.739886][ T70] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 31.772157][ T620] softirqs last disabled at (0): 0x0 | [ 31.772158][ T620] Preemption disabled at: | [ 31.772159][ T620] vprintk_emit (kernel/printk/printk.c:2471) | [ 31.772170][ T620] Tainted: [W]=WARN [ 31.772171][ T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.772172][ T620] Call Trace: [ 31.772174][ T620] [ 31.772175][ T620] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.772181][ T620] ? vprintk_emit (kernel/printk/printk.c:2471) [ 31.772182][ T620] __might_resched.cold (kernel/sched/core.c:9234) [ 31.772186][ T620] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.772189][ T620] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 31.772192][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772196][ T620] __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)) [ 31.772199][ T620] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.772201][ T620] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.772205][ T620] ? 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) [ 31.772206][ T620] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.772208][ T620] put_chars (drivers/char/virtio_console.c:1176) [ 31.772210][ T620] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.772212][ T620] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 31.772214][ T620] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.772217][ T620] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.772219][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772221][ T620] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.772223][ T620] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.772225][ T620] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.772227][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772229][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772230][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772232][ T620] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.772234][ T620] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 31.772235][ T620] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.772238][ T620] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.772240][ T620] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.772242][ T620] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.772244][ T620] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.772245][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772247][ T620] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.772248][ T620] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.772250][ T620] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 31.772252][ T620] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.772253][ T620] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.772255][ T620] vprintk_emit (kernel/printk/printk.c:2479) [ 31.772258][ T620] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.772259][ T620] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.772262][ T620] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.772265][ T620] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.772266][ T620] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 31.772269][ T620] ? ___sys_sendmsg (net/socket.c:2767) [ 31.772270][ T620] ? __sys_sendmsg (net/socket.c:2799) [ 31.772272][ T620] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.772275][ T620] _printk (kernel/printk/printk.c:2504) [ 31.772278][ T620] ? snapshot_read.cold (user.c:?) [ 31.772280][ T620] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 31.772283][ T620] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 31.772284][ T620] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 31.772286][ T620] ? netdev_notice (net/core/dev.c:13194) [ 31.772288][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772290][ T620] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 31.772291][ T620] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 31.772294][ T620] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 31.772295][ T620] ? 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) [ 31.772298][ T620] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 31.772301][ T620] dev_set_allmulti (net/core/dev_api.c:315) [ 31.772303][ T620] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 31.772316][ T620] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 31.772319][ T620] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 31.772322][ T620] br_del_if (net/bridge/br_if.c:732) bridge [ 31.772328][ T620] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 31.772331][ T620] do_set_master (net/core/rtnetlink.c:3055) [ 31.772333][ T620] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 31.772335][ T620] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 31.772338][ T620] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 31.772339][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772340][ T620] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 31.772344][ T620] ? kasan_save_stack (mm/kasan/common.c:58) [ 31.772346][ T620] ? kasan_save_stack (mm/kasan/common.c:57) [ 31.772348][ T620] ? kasan_save_track (mm/kasan/common.c:78) [ 31.772349][ T620] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 31.772351][ T620] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 31.772352][ T620] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 31.772353][ T620] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.772354][ T620] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.772356][ T620] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.772357][ T620] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.772358][ T620] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 31.772360][ T620] ? ___sys_sendmsg (net/socket.c:2767) [ 31.772361][ T620] ? __sys_sendmsg (net/socket.c:2799) [ 31.772363][ T620] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.772364][ T620] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.772366][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772368][ T620] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.772369][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772371][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772372][ T620] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 31.772375][ T620] ? __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) [ 31.772377][ T620] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 31.772378][ T620] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 31.772379][ T620] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 31.772381][ T620] ? nla_get_range_signed (lib/nlattr.c:270) [ 31.772383][ T620] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 31.772385][ T620] rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.772387][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772389][ T620] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.772390][ T620] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.772391][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772393][ T620] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 31.772395][ T620] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 31.772397][ T620] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 31.772398][ T620] ? __kernel_text_address (kernel/extable.c:79) [ 31.772399][ T620] ? write_profile (profile.c:?) [ 31.772400][ T620] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 31.772403][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772405][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772406][ T620] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 31.772409][ T620] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.772411][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772413][ T620] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.772414][ T620] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.772415][ T620] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.772419][ T620] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 31.772421][ T620] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 31.772423][ T620] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.772425][ T620] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.772426][ T620] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.772427][ T620] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.772429][ T620] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 31.772431][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772433][ T620] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.772435][ T620] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.772437][ T620] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.772438][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772440][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772441][ T620] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.772443][ T620] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.772445][ T620] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.772447][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772449][ T620] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.772451][ T620] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 31.772452][ T620] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.772454][ T620] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 31.772455][ T620] ? move_addr_to_kernel (net/socket.c:258) [ 31.772457][ T620] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 31.772459][ T620] ___sys_sendmsg (net/socket.c:2767) [ 31.772461][ T620] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.772466][ T620] __sys_sendmsg (net/socket.c:2799) [ 31.772468][ T620] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.772470][ T620] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.772472][ T620] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.772473][ T620] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.772476][ T620] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.772478][ T620] RIP: 0033:0x7fe30f71554e [ 31.772479][ T620] 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 [ 31.772481][ T620] RSP: 002b:00007ffc59822130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.772485][ T620] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe30f71554e [ 31.772486][ T620] RDX: 0000000000000000 RSI: 00007ffc598221e0 RDI: 0000000000000005 [ 31.772487][ T620] RBP: 00007ffc59822140 R08: 0000000000000000 R09: 0000000000000000 [ 31.772488][ T620] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915980 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_rx_mode_run:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars