====================================== | [ 10.207479][ T210] softirqs last disabled at (30783): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.207481][ T210] Preemption disabled at: | [ 10.207482][ T210] 0x0 | [ 10.207492][ T210] Tainted: [W]=WARN [ 10.207493][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.207495][ T210] Call Trace: [ 10.207496][ T210] [ 10.207498][ T210] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.207504][ T210] __might_resched.cold (kernel/sched/core.c:9234) [ 10.207509][ T210] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.207513][ T210] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.207519][ T210] __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)) [ 10.207521][ T210] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.207527][ T210] ? 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) [ 10.207530][ T210] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.207533][ T210] put_chars (drivers/char/virtio_console.c:1176) [ 10.207536][ T210] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.207537][ T210] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.207542][ T210] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.207547][ T210] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.207554][ T210] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.207556][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.207558][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.207562][ T210] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.207566][ T210] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.207568][ T210] ? 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)) [ 10.207571][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.207573][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.207577][ T210] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.207581][ T210] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.207583][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.207588][ T210] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.207591][ T210] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.207593][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.207595][ T210] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.207599][ T210] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.207601][ T210] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.207606][ T210] vprintk_emit (kernel/printk/printk.c:2479) [ 10.207609][ T210] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.207613][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.207616][ T210] _printk (kernel/printk/printk.c:2504) [ 10.207620][ T210] ? snapshot_read.cold (user.c:?) [ 10.207623][ T210] ? 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) [ 10.207625][ T210] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.207629][ T210] ? 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) [ 10.207632][ T210] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.207636][ T210] ? exit_notify (kernel/exit.c:780) [ 10.207638][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.207640][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.207645][ T210] do_group_exit (kernel/exit.c:1151) [ 10.207647][ T210] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.207649][ T210] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.207651][ T210] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.207654][ T210] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.207658][ T210] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.207660][ T210] RIP: 0033:0x7f2ee5ec81b8 [ 10.207662][ T210] Code: Unable to access opcode bytes at 0x7f2ee5ec818e. Code starting with the faulting instruction =========================================== [ 10.207663][ T210] RSP: 002b:00007ffe5cb11be8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.207665][ T210] RAX: ffffffffffffffda RBX: 00007f2ee5ff8f88 RCX: 00007f2ee5ec81b8 [ 10.207667][ T210] RDX: 00007f2ee5c12fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.207668][ T210] RBP: 00007ffe5cb11c40 R08: 0000000000000000 R09: 0000000000008010 [ 10.207668][ T210] R10: 00007ffe5cb11a00 R11: 0000000000000246 R12: 0000000000000001 [ 10.207669][ T210] R13: 0000000000000000 R14: 00007f2ee5ff7680 R15: 00007f2ee5ff8fa0 | [ 11.722664][ T267] softirqs last disabled at (20446): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.722666][ T267] Preemption disabled at: | [ 11.722667][ T267] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.722676][ T267] Tainted: [W]=WARN [ 11.722677][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.722678][ T267] Call Trace: [ 11.722680][ T267] [ 11.722682][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.722688][ T267] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.722690][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 11.722695][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.722699][ T267] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.722705][ T267] __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)) [ 11.722707][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.722713][ T267] ? 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) [ 11.722716][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.722719][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 11.722722][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.722727][ T267] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.722730][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.722733][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.722735][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.722737][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.722741][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.722743][ T267] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.722746][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.722751][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.722755][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.722759][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.722760][ T267] ? 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)) [ 11.722764][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.722766][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.722770][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.722775][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.722776][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.722782][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.722785][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.722787][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.722789][ T267] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.722793][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.722795][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.722798][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 11.722802][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.722805][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.722806][ T267] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.722811][ T267] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.722814][ T267] _printk (kernel/printk/printk.c:2504) [ 11.722818][ T267] ? snapshot_read.cold (user.c:?) [ 11.722822][ T267] ? br_multicast_flood (??:?) bridge [ 11.722835][ T267] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.722836][ T267] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.722838][ T267] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.722847][ T267] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.722858][ T267] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.722867][ T267] new_nbp (net/bridge/br_if.c:449) bridge [ 11.722877][ T267] br_add_if (net/bridge/br_if.c:592) bridge [ 11.722884][ T267] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.722888][ T267] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.722891][ T267] ? __kernel_text_address (kernel/extable.c:79) [ 11.722895][ T267] do_set_master (net/core/rtnetlink.c:3071) [ 11.722900][ T267] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.722903][ T267] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.722906][ T267] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.722908][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.722910][ T267] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.722914][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.722917][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.722919][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.722921][ T267] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.722924][ T267] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.722926][ T267] ? kasan_save_track (mm/kasan/common.c:78) [ 11.722929][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.722931][ T267] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 11.722934][ T267] ? ___sys_sendmsg (net/socket.c:2757) [ 11.722939][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.722941][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.722943][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.722946][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.722947][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.722949][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.722952][ T267] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.722956][ T267] ? __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) [ 11.722957][ T267] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.722959][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.722963][ T267] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.722965][ T267] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.722970][ T267] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.722975][ T267] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.722981][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.722983][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.722987][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.722989][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.722992][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.722993][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.722997][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.722999][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.723003][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.723004][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.723009][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.723010][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.723014][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.723016][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.723019][ T267] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.723025][ T267] ? 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)) [ 11.723027][ T267] ? 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)) [ 11.723031][ T267] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.723035][ T267] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.723038][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.723042][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.723046][ T267] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.723050][ T267] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.723056][ T267] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.723058][ T267] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.723060][ T267] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.723062][ T267] ? move_addr_to_kernel (net/socket.c:258) [ 11.723070][ T267] ___sys_sendmsg (net/socket.c:2767) [ 11.723073][ T267] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.723089][ T267] __sys_sendmsg (net/socket.c:2799) [ 11.723092][ T267] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.723098][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.723102][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.723105][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.723108][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.723110][ T267] RIP: 0033:0x7f961a21654e [ 11.723114][ T267] 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 [ 11.723116][ T267] RSP: 002b:00007ffd18612a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.723118][ T267] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f961a21654e [ 11.723120][ T267] RDX: 0000000000000000 RSI: 00007ffd18612b00 RDI: 0000000000000005 [ 11.723121][ T267] RBP: 00007ffd18612a60 R08: 0000000000000000 R09: 0000000000000000 [ 11.723122][ T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db04 [ 11.723122][ T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd186131c0 | [ 14.677001][ T377] softirqs last disabled at (12534): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 14.677003][ T377] Preemption disabled at: | [ 14.677004][ T377] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.677014][ T377] Tainted: [W]=WARN [ 14.677015][ T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.677016][ T377] Call Trace: [ 14.677018][ T377] [ 14.677020][ T377] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.677026][ T377] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.677028][ T377] __might_resched.cold (kernel/sched/core.c:9234) [ 14.677033][ T377] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.677037][ T377] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.677042][ T377] __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)) [ 14.677045][ T377] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.677051][ T377] ? 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) [ 14.677054][ T377] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.677057][ T377] put_chars (drivers/char/virtio_console.c:1176) [ 14.677059][ T377] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.677060][ T377] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.677064][ T377] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.677068][ T377] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.677071][ T377] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.677074][ T377] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.677077][ T377] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.677079][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.677081][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.677085][ T377] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.677087][ T377] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.677090][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.677093][ T377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.677097][ T377] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.677101][ T377] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.677102][ T377] ? 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)) [ 14.677106][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.677108][ T377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.677112][ T377] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.677116][ T377] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.677118][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.677123][ T377] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.677126][ T377] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.677128][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.677130][ T377] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.677134][ T377] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.677136][ T377] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.677139][ T377] vprintk_emit (kernel/printk/printk.c:2479) [ 14.677143][ T377] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.677146][ T377] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.677149][ T377] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.677152][ T377] _printk (kernel/printk/printk.c:2504) [ 14.677156][ T377] ? snapshot_read.cold (user.c:?) [ 14.677160][ T377] ? br_multicast_flood (??:?) bridge [ 14.677173][ T377] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.677175][ T377] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.677176][ T377] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.677180][ T377] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 14.677191][ T377] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 14.677199][ T377] new_nbp (net/bridge/br_if.c:449) bridge [ 14.677208][ T377] br_add_if (net/bridge/br_if.c:592) bridge [ 14.677216][ T377] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 14.677220][ T377] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.677223][ T377] ? __kernel_text_address (kernel/extable.c:79) [ 14.677227][ T377] do_set_master (net/core/rtnetlink.c:3071) [ 14.677231][ T377] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.677235][ T377] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.677238][ T377] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.677239][ T377] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.677241][ T377] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.677245][ T377] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.677247][ T377] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.677249][ T377] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.677252][ T377] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.677255][ T377] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.677256][ T377] ? kasan_save_track (mm/kasan/common.c:78) [ 14.677259][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.677261][ T377] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 14.677264][ T377] ? ___sys_sendmsg (net/socket.c:2757) [ 14.677269][ T377] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.677271][ T377] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.677273][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.677276][ T377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.677277][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.677279][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.677281][ T377] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.677285][ T377] ? __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) [ 14.677291][ T377] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.677293][ T377] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.677297][ T377] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.677298][ T377] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.677304][ T377] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.677309][ T377] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.677314][ T377] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.677316][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.677321][ T377] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.677323][ T377] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.677325][ T377] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.677327][ T377] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.677331][ T377] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.677333][ T377] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.677336][ T377] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.677337][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.677342][ T377] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.677344][ T377] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.677347][ T377] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.677349][ T377] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.677352][ T377] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.677358][ T377] ? 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)) [ 14.677360][ T377] ? 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)) [ 14.677364][ T377] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.677368][ T377] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.677371][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.677375][ T377] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.677379][ T377] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.677382][ T377] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.677388][ T377] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.677390][ T377] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.677392][ T377] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.677394][ T377] ? move_addr_to_kernel (net/socket.c:258) [ 14.677402][ T377] ___sys_sendmsg (net/socket.c:2767) [ 14.677404][ T377] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.677421][ T377] __sys_sendmsg (net/socket.c:2799) [ 14.677423][ T377] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.677430][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.677434][ T377] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.677436][ T377] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.677439][ T377] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.677441][ T377] RIP: 0033:0x7ff531a9654e [ 14.677444][ T377] 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 [ 14.677446][ T377] RSP: 002b:00007fff38f70470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.677449][ T377] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff531a9654e [ 14.677450][ T377] RDX: 0000000000000000 RSI: 00007fff38f70520 RDI: 0000000000000005 [ 14.677451][ T377] RBP: 00007fff38f70480 R08: 0000000000000000 R09: 0000000000000000 [ 14.677452][ T377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90db07 [ 14.677453][ T377] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff38f70be0 | [ 15.423511][ C2] | [ 15.423512][ C2] | [ 15.423512][ C2] stack backtrace: | [ 15.423518][ C2] Tainted: [W]=WARN [ 15.423519][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.423520][ C2] Call Trace: [ 15.423522][ C2] [ 15.423523][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.423527][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 15.423529][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 15.423531][ C2] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 15.423534][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 15.423536][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 15.423537][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 15.423540][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.423541][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.423543][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423547][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.423549][ C2] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.423550][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.423552][ C2] console_emit_next_record (kernel/printk/printk.c:3177) [ 15.423554][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.423556][ 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)) [ 15.423558][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423559][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.423561][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.423564][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.423565][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.423568][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.423569][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.423571][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423573][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.423575][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.423576][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.423578][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 15.423580][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.423583][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.423585][ C2] _printk (kernel/printk/printk.c:2504) [ 15.423587][ C2] ? snapshot_read.cold (user.c:?) [ 15.423588][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.423591][ C2] ? idr_get_free (??:?) [ 15.423594][ C2] addrconf_dad_failure.cold (net/ipv6/addrconf.c:2187 (discriminator 4)) [ 15.423596][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.423598][ C2] ? inet6_rtm_newaddr (net/ipv6/addrconf.c:5042 (discriminator 2)) [ 15.423600][ C2] ? ipv6_get_ifaddr (./include/linux/rcupdate.h:882 net/ipv6/addrconf.c:2118) [ 15.423602][ C2] ? addrconf_dad_work (./include/net/ipv6.h:593) [ 15.423604][ C2] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.423606][ C2] ? ndisc_parse_options.part.0 (net/ipv6/ndisc.c:228) [ 15.423609][ C2] ndisc_recv_ns (net/ipv6/ndisc.c:867) [ 15.423610][ C2] ? __print_lock_name (kernel/locking/lockdep.c:735) [ 15.423612][ C2] ? ndisc_netdev_event (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.423614][ C2] ? ip6_pol_route (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/route.c:2339 (discriminator 2)) [ 15.423617][ C2] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.423618][ C2] ? ndisc_rcv (net/ipv6/ndisc.c:1835) [ 15.423620][ C2] icmpv6_rcv (net/ipv6/icmp.c:1193) [ 15.423622][ C2] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:479) [ 15.423625][ C2] ip6_input_finish (net/ipv6/ip6_input.c:534) [ 15.423627][ C2] ip6_input (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv6/ip6_input.c:545) [ 15.423628][ C2] ? ip6_input_finish (net/ipv6/ip6_input.c:527 (discriminator 46)) [ 15.423630][ C2] ? ipv6_chk_mcast_addr (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/mcast.c:1076 (discriminator 2)) [ 15.423632][ C2] ? ipv6_chk_mcast_addr (./include/linux/rcupdate.h:882 net/ipv6/mcast.c:1076) [ 15.423634][ C2] ip6_mc_input (net/ipv6/ip6_input.c:636) [ 15.423636][ C2] ? ip6_input (./include/linux/rcupdate.h:878 (discriminator 3)) [ 15.423637][ C2] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.423638][ C2] ? ip6_rcv_core (./include/linux/rcupdate.h:882 net/ipv6/ip6_input.c:328) [ 15.423640][ C2] ipv6_rcv (./include/net/dst.h:480 (discriminator 4) net/ipv6/ip6_input.c:119 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/ip6_input.c:351 (discriminator 4)) [ 15.423642][ C2] ? ip6_rcv_core (net/ipv6/ip6_input.c:211 (discriminator 96)) [ 15.423644][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.423645][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.423647][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.423649][ C2] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 15.423650][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.423652][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.423654][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 15.423655][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423658][ C2] process_backlog (net/core/dev.c:6728) [ 15.423660][ C2] __napi_poll (net/core/dev.c:7787) [ 15.423662][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 15.423665][ C2] ? __napi_poll (./include/net/gro.h:507) [ 15.423667][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.423670][ C2] ? __schedule (kernel/sched/core.c:7277) [ 15.423671][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423673][ C2] handle_softirqs (kernel/softirq.c:645) [ 15.423675][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 15.423677][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.423679][ C2] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 15.423680][ C2] smpboot_thread_fn (kernel/smpboot.c:160) [ 15.423682][ C2] ? sort_range (kernel/range.c:164) [ 15.423684][ C2] kthread (kernel/kthread.c:436) [ 15.423685][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.423688][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.423690][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 15.423691][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 15.423693][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 15.423696][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.423697][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 16.060111][ C0] softirqs last disabled at (25864): netdev_work_proc (./include/linux/spinlock.h:353 net/core/netdev_work.c:139) | [ 16.060114][ C0] Preemption disabled at: | [ 16.060114][ C0] __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)) | [ 16.060125][ C0] Tainted: [W]=WARN [ 16.060126][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.060128][ C0] Workqueue: mld mld_ifc_work [ 16.060134][ C0] Call Trace: [ 16.060135][ C0] [ 16.060137][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.060142][ C0] ? __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)) [ 16.060144][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 16.060148][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.060152][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.060155][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060159][ 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)) [ 16.060162][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.060165][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.060169][ 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) [ 16.060170][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.060172][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 16.060174][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.060176][ C0] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 16.060179][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.060183][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.060184][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060186][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.060188][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.060191][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.060193][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060194][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060196][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060198][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.060200][ C0] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 16.060201][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.060204][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.060206][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.060208][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.060209][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.060211][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060213][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 16.060214][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.060215][ C0] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 16.060217][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.060220][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.060222][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 16.060224][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.060226][ C0] ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123) [ 16.060228][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060230][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.060231][ C0] _printk (kernel/printk/printk.c:2504) [ 16.060234][ C0] ? snapshot_read.cold (user.c:?) [ 16.060236][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.060240][ C0] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.060251][ C0] ? idr_get_free (??:?) [ 16.060254][ C0] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.060263][ C0] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.060271][ 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 [ 16.060280][ 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 [ 16.060286][ C0] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.060296][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.060299][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060301][ C0] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.060307][ C0] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 16.060309][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 16.060311][ C0] ? fib_rules_unregister (net/core/fib_rules.c:189) [ 16.060314][ C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.060320][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060322][ C0] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.060328][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.060331][ C0] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 16.060334][ C0] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 16.060339][ C0] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 16.060341][ C0] ? do_xdp_generic (net/core/dev.c:5732) [ 16.060343][ C0] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 16.060345][ C0] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 16.060347][ C0] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 16.060349][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060351][ C0] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.060354][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 16.060355][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 16.060357][ C0] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.060359][ C0] ? ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 16.060362][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 16.060364][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.060366][ C0] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 16.060367][ C0] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.060369][ C0] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) [ 16.060371][ C0] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.060373][ C0] ? ipv6_gro_receive (net/ipv6/ip6_offload.c:231 (discriminator 5)) [ 16.060377][ C0] ? wq_update_node_max_active (kernel/workqueue.c:1674 (discriminator 1)) [ 16.060380][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.060382][ C0] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 16.060384][ C0] ? netif_receive_skb_list (net/core/dev.c:6551) [ 16.060386][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.060387][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060389][ C0] gro_cell_poll (net/core/gro_cells.c:76) [ 16.060394][ C0] __napi_poll (net/core/dev.c:7787) [ 16.060396][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.060398][ C0] ? __napi_poll (./include/net/gro.h:507) [ 16.060400][ C0] ? do_raw_spin_lock (kernel/locking/spinlock_debug.c:88 (discriminator 3) kernel/locking/spinlock_debug.c:115 (discriminator 3)) [ 16.060402][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.060405][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 16.060408][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060409][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060411][ C0] handle_softirqs (kernel/softirq.c:645) [ 16.060414][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.060416][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.060417][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 16.060419][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.060420][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.060422][ C0] [ 16.060423][ C0] [ 16.060423][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.060425][ C0] __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)) [ 16.060427][ C0] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 16.060429][ C0] ? mld_ifc_work (net/ipv6/mcast.c:2711) [ 16.060431][ C0] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 16.060434][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.060436][ C0] ? mroute6_is_socket (net/ipv6/ip6mr.c:1698) [ 16.060438][ C0] ? ip6mr_fib_lookup (net/ipv6/ip6mr.c:158) [ 16.060440][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060442][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.060443][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060445][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.060446][ C0] ? neigh_hh_output (./include/net/neighbour.h:525) [ 16.060450][ C0] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 16.060452][ C0] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.060454][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060455][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.060457][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060459][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 16.060460][ C0] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.060462][ C0] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.060464][ C0] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.060465][ C0] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 16.060468][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.060470][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.060471][ C0] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 16.060472][ C0] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 16.060474][ C0] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.060475][ C0] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 16.060478][ C0] mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4)) [ 16.060480][ C0] ? mld_dad_start_work (net/ipv6/mcast.c:1133) [ 16.060483][ C0] ? mld_send_cr (net/ipv6/mcast.c:2148 (discriminator 11)) [ 16.060485][ C0] mld_ifc_work (net/ipv6/mcast.c:2711) [ 16.060487][ C0] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 16.060489][ C0] process_one_work (kernel/workqueue.c:3387) [ 16.060492][ C0] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.060494][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.060495][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.060498][ C0] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.060500][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.060502][ C0] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.060503][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.060505][ C0] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.060507][ C0] kthread (kernel/kthread.c:436) [ 16.060508][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.060510][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.060511][ C0] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.060515][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.060517][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.060521][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.060523][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 26.871620][ T69] softirqs last disabled at (19116): addrconf_dad_begin (net/ipv6/addrconf.c:4137) | [ 26.871623][ T69] Preemption disabled at: | [ 26.871623][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.871635][ T69] Tainted: [W]=WARN [ 26.871636][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.871638][ T69] Workqueue: netns cleanup_net [ 26.871644][ T69] Call Trace: [ 26.871645][ T69] [ 26.871647][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.871652][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.871654][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 26.871658][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.871662][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.871665][ T69] __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)) [ 26.871669][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.871672][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.871675][ T69] ? 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) [ 26.871677][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.871679][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 26.871681][ T69] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 26.871683][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.871685][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 26.871687][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.871691][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.871692][ T69] ? 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) [ 26.871694][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.871695][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.871697][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.871699][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.871701][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.871704][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.871706][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.871707][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.871709][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.871711][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.871713][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 26.871714][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.871717][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.871719][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.871721][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.871723][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.871724][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.871726][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.871727][ T69] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.871729][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 26.871731][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.871733][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.871735][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 26.871738][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.871739][ T69] ? process_one_work (kernel/workqueue.c:3387) [ 26.871742][ T69] ? kthread (kernel/kthread.c:436) [ 26.871744][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 26.871747][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 26.871749][ T69] _printk (kernel/printk/printk.c:2504) [ 26.871752][ T69] ? snapshot_read.cold (user.c:?) [ 26.871755][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.871757][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.871759][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.871761][ T69] ? netdev_notice (net/core/dev.c:13194) [ 26.871763][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.871765][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 26.871766][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 26.871769][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 26.871770][ T69] ? 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) [ 26.871773][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 26.871776][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 26.871779][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 26.871792][ T69] br_dev_delete (net/bridge/br_if.c:387) bridge [ 26.871801][ T69] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 26.871808][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 26.871811][ T69] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 26.871813][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 26.871817][ T69] cleanup_net (net/core/net_namespace.c:706) [ 26.871819][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 26.871821][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.871823][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.871825][ T69] process_one_work (kernel/workqueue.c:3387) [ 26.871828][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 26.871830][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.871831][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.871834][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.871836][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.871838][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 26.871840][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.871847][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.871849][ T69] kthread (kernel/kthread.c:436) [ 26.871850][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.871852][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.871854][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 26.871855][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 26.871857][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 26.871860][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_dad_begin:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netdev_work_proc:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars