====================================== | [ 10.143811][ T188] softirqs last disabled at (33205): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.143814][ T188] Preemption disabled at: | [ 10.143814][ T188] 0x0 | [ 10.143825][ T188] Tainted: [W]=WARN [ 10.143825][ T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.143827][ T188] Call Trace: [ 10.143829][ T188] [ 10.143830][ T188] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.143836][ T188] __might_resched.cold (kernel/sched/core.c:9234) [ 10.143841][ T188] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.143845][ T188] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.143850][ T188] __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)) [ 10.143853][ T188] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.143858][ T188] ? 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) [ 10.143861][ T188] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.143864][ T188] put_chars (drivers/char/virtio_console.c:1176) [ 10.143867][ T188] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.143868][ T188] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.143873][ T188] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.143878][ T188] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.143884][ T188] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.143886][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.143889][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.143892][ T188] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.143896][ T188] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.143898][ T188] ? 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)) [ 10.143901][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.143903][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.143907][ T188] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.143911][ T188] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.143913][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.143918][ T188] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.143921][ T188] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.143922][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.143925][ T188] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.143928][ T188] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.143930][ T188] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.143933][ T188] vprintk_emit (kernel/printk/printk.c:2479) [ 10.143937][ T188] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.143940][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.143944][ T188] _printk (kernel/printk/printk.c:2504) [ 10.143947][ T188] ? snapshot_read.cold (user.c:?) [ 10.143950][ T188] ? 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) [ 10.143953][ T188] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.143956][ T188] ? 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) [ 10.143959][ T188] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.143963][ T188] ? exit_notify (kernel/exit.c:780) [ 10.143965][ T188] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.143968][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.143972][ T188] do_group_exit (kernel/exit.c:1151) [ 10.143974][ T188] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.143976][ T188] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.143978][ T188] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.143981][ T188] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.143984][ T188] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.143987][ T188] RIP: 0033:0x7fc5f141d1b8 [ 10.143989][ T188] Code: Unable to access opcode bytes at 0x7fc5f141d18e. Code starting with the faulting instruction =========================================== [ 10.143990][ T188] RSP: 002b:00007ffeb380d6b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.143993][ T188] RAX: ffffffffffffffda RBX: 00007fc5f154df88 RCX: 00007fc5f141d1b8 [ 10.143994][ T188] RDX: 00007fc5f1167fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.143995][ T188] RBP: 00007ffeb380d710 R08: 0000000000000000 R09: 0000000000008010 [ 10.143996][ T188] R10: 00007ffeb380d4d0 R11: 0000000000000246 R12: 0000000000000001 [ 10.143997][ T188] R13: 0000000000000000 R14: 00007fc5f154c680 R15: 00007fc5f154dfa0 | [ 12.069982][ T266] softirqs last disabled at (14646): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.069984][ T266] Preemption disabled at: | [ 12.069985][ T266] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.069994][ T266] Tainted: [W]=WARN [ 12.069995][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.069997][ T266] Call Trace: [ 12.069998][ T266] [ 12.070000][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.070006][ T266] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.070008][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 12.070012][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.070017][ T266] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.070022][ T266] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.070024][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.070030][ T266] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.070032][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.070035][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 12.070038][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.070045][ T266] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.070049][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.070052][ T266] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.070054][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.070055][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.070059][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.070061][ T266] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.070064][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.070068][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.070072][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.070075][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.070077][ T266] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.070080][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.070082][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.070086][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.070090][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.070092][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.070097][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.070099][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.070101][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.070104][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.070107][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.070109][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.070112][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 12.070116][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.070118][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.070120][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.070124][ T266] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.070127][ T266] _printk (kernel/printk/printk.c:2504) [ 12.070131][ T266] ? snapshot_read.cold (user.c:?) [ 12.070135][ T266] ? br_multicast_flood (??:?) bridge [ 12.070147][ T266] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.070149][ T266] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.070150][ T266] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.070154][ T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.070164][ T266] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.070172][ T266] new_nbp (net/bridge/br_if.c:449) bridge [ 12.070182][ T266] br_add_if (net/bridge/br_if.c:592) bridge [ 12.070189][ T266] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.070193][ T266] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.070196][ T266] ? __kernel_text_address (kernel/extable.c:79) [ 12.070200][ T266] do_set_master (net/core/rtnetlink.c:3071) [ 12.070204][ T266] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.070207][ T266] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.070210][ T266] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.070212][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.070214][ T266] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.070218][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.070220][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.070222][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.070225][ T266] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.070228][ T266] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.070230][ T266] ? kasan_save_track (mm/kasan/common.c:78) [ 12.070233][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.070234][ T266] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.070237][ T266] ? ___sys_sendmsg (net/socket.c:2757) [ 12.070242][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.070244][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.070246][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.070248][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.070250][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.070252][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.070254][ T266] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.070258][ T266] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.070259][ T266] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.070261][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.070265][ T266] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.070266][ T266] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.070271][ T266] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.070276][ T266] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.070281][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.070283][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.070287][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.070289][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.070291][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.070293][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.070297][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.070299][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.070302][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.070303][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.070307][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.070309][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.070312][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.070314][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.070317][ T266] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.070323][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.070324][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.070328][ T266] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.070332][ T266] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.070335][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.070338][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.070342][ T266] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.070346][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.070351][ T266] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.070353][ T266] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.070355][ T266] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.070357][ T266] ? move_addr_to_kernel (net/socket.c:258) [ 12.070364][ T266] ___sys_sendmsg (net/socket.c:2767) [ 12.070367][ T266] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.070382][ T266] __sys_sendmsg (net/socket.c:2799) [ 12.070385][ T266] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.070391][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.070394][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.070397][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.070399][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.070402][ T266] RIP: 0033:0x7fa366dee54e [ 12.070405][ T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.070407][ T266] RSP: 002b:00007ffd00002c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.070409][ T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa366dee54e [ 12.070411][ T266] RDX: 0000000000000000 RSI: 00007ffd00002d00 RDI: 0000000000000005 [ 12.070412][ T266] RBP: 00007ffd00002c60 R08: 0000000000000000 R09: 0000000000000000 [ 12.070412][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fa9 [ 12.070413][ T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd000033c0 | [ 13.082967][ T71] softirqs last disabled at (17968): 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)) | [ 13.082970][ T71] Preemption disabled at: | [ 13.082970][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.082980][ T71] Tainted: [W]=WARN [ 13.082981][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.082982][ T71] Workqueue: events netdev_work_proc [ 13.082985][ T71] Call Trace: [ 13.082987][ T71] [ 13.082989][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.082995][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.082997][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 13.083002][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.083006][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.083011][ T71] __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)) [ 13.083014][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.083020][ T71] ? 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) [ 13.083022][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.083026][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 13.083028][ T71] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 13.083030][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.083033][ T71] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.083041][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.083048][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.083050][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.083054][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.083059][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.083063][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.083065][ T71] ? 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)) [ 13.083068][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.083071][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.083075][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.083079][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.083081][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.083087][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.083090][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.083091][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.083094][ T71] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.083098][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.083100][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.083103][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 13.083107][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.083110][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.083112][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.083116][ T71] _printk (kernel/printk/printk.c:2504) [ 13.083120][ T71] ? snapshot_read.cold (user.c:?) [ 13.083122][ T71] ? 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)) [ 13.083127][ T71] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.083130][ T71] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.083132][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 13.083135][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 13.083139][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 13.083142][ T71] ? netdev_notice (net/core/dev.c:13194) [ 13.083146][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.083148][ T71] ? netif_rx_mode_run (./include/linux/netdevice.h:5009 (discriminator 1) net/core/dev_addr_lists.c:1308 (discriminator 1)) [ 13.083149][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.083152][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.083155][ T71] ? 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) [ 13.083159][ T71] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 13.083163][ T71] netif_rx_mode_run (net/core/dev_addr_lists.c:1314) [ 13.083168][ T71] ? netif_rx_mode_cancel_retry (net/core/dev_addr_lists.c:1274) [ 13.083171][ T71] ? ref_tracker_free (lib/ref_tracker.c:339) [ 13.083177][ T71] ? ref_tracker_alloc (lib/ref_tracker.c:283) [ 13.083179][ T71] ? netdev_work_proc (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/core/netdev_work.c:164) [ 13.083181][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 13.083183][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.083186][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.083189][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.083193][ T71] netdev_work_proc (net/core/netdev_work.c:125 net/core/netdev_work.c:171) [ 13.083196][ T71] ? netdev_work_sched (net/core/netdev_work.c:82) [ 13.083198][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.083200][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.083202][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.083206][ T71] process_one_work (kernel/workqueue.c:3387) [ 13.083213][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.083216][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.083224][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.083228][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.083230][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 13.083233][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.083236][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.083238][ T71] kthread (kernel/kthread.c:436) [ 13.083240][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.083243][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.083246][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.083250][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.083253][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.083257][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.083259][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.387534][ T376] softirqs last disabled at (11226): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.387537][ T376] Preemption disabled at: | [ 15.387537][ T376] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.387546][ T376] Tainted: [W]=WARN [ 15.387547][ T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.387549][ T376] Call Trace: [ 15.387551][ T376] [ 15.387552][ T376] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.387558][ T376] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.387560][ T376] __might_resched.cold (kernel/sched/core.c:9234) [ 15.387564][ T376] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.387568][ T376] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.387573][ T376] __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)) [ 15.387576][ T376] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.387581][ T376] ? 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) [ 15.387584][ T376] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.387587][ T376] put_chars (drivers/char/virtio_console.c:1176) [ 15.387589][ T376] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.387591][ T376] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.387594][ T376] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.387598][ T376] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.387601][ T376] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.387604][ T376] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.387607][ T376] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.387609][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.387610][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.387614][ T376] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.387616][ T376] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.387619][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.387622][ T376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.387625][ T376] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.387629][ T376] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.387631][ T376] ? 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)) [ 15.387634][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.387636][ T376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.387640][ T376] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.387644][ T376] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.387646][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.387651][ T376] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.387654][ T376] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.387655][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.387658][ T376] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.387661][ T376] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.387663][ T376] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.387666][ T376] vprintk_emit (kernel/printk/printk.c:2479) [ 15.387670][ T376] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.387673][ T376] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.387675][ T376] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.387679][ T376] _printk (kernel/printk/printk.c:2504) [ 15.387682][ T376] ? snapshot_read.cold (user.c:?) [ 15.387686][ T376] ? br_multicast_flood (??:?) bridge [ 15.387699][ T376] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.387701][ T376] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.387702][ T376] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.387706][ T376] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.387716][ T376] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.387724][ T376] new_nbp (net/bridge/br_if.c:449) bridge [ 15.387733][ T376] br_add_if (net/bridge/br_if.c:592) bridge [ 15.387740][ T376] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.387744][ T376] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.387747][ T376] ? __kernel_text_address (kernel/extable.c:79) [ 15.387751][ T376] do_set_master (net/core/rtnetlink.c:3071) [ 15.387756][ T376] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.387759][ T376] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.387766][ T376] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.387767][ T376] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.387769][ T376] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.387773][ T376] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.387775][ T376] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.387777][ T376] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.387779][ T376] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.387782][ T376] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.387784][ T376] ? kasan_save_track (mm/kasan/common.c:78) [ 15.387786][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.387788][ T376] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 15.387791][ T376] ? ___sys_sendmsg (net/socket.c:2757) [ 15.387795][ T376] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.387797][ T376] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.387800][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.387802][ T376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.387803][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.387805][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.387807][ T376] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.387811][ T376] ? __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) [ 15.387814][ T376] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.387816][ T376] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.387819][ T376] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.387821][ T376] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.387825][ T376] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.387830][ T376] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.387836][ T376] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.387837][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.387842][ T376] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.387843][ T376] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.387845][ T376] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.387847][ T376] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.387851][ T376] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.387853][ T376] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.387856][ T376] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.387857][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.387861][ T376] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.387863][ T376] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.387866][ T376] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.387868][ T376] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.387871][ T376] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.387877][ T376] ? 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)) [ 15.387878][ T376] ? 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)) [ 15.387882][ T376] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.387886][ T376] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.387888][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.387892][ T376] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.387896][ T376] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.387899][ T376] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.387905][ T376] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.387907][ T376] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.387909][ T376] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.387911][ T376] ? move_addr_to_kernel (net/socket.c:258) [ 15.387918][ T376] ___sys_sendmsg (net/socket.c:2767) [ 15.387921][ T376] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.387936][ T376] __sys_sendmsg (net/socket.c:2799) [ 15.387938][ T376] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.387944][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.387948][ T376] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.387950][ T376] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.387953][ T376] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.387955][ T376] RIP: 0033:0x7f5cd1a0154e [ 15.387958][ T376] 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 [ 15.387960][ T376] RSP: 002b:00007ffe4354b9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.387963][ T376] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5cd1a0154e [ 15.387964][ T376] RDX: 0000000000000000 RSI: 00007ffe4354ba60 RDI: 0000000000000005 [ 15.387965][ T376] RBP: 00007ffe4354b9c0 R08: 0000000000000000 R09: 0000000000000000 [ 15.387966][ T376] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fac [ 15.387967][ T376] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4354c120 | [ 16.653672][ C3] | [ 16.653672][ C3] | [ 16.653672][ C3] stack backtrace: | [ 16.653678][ C3] Tainted: [W]=WARN [ 16.653679][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.653681][ C3] Workqueue: mld mld_ifc_work [ 16.653684][ C3] Call Trace: [ 16.653685][ C3] [ 16.653687][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.653690][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 16.653693][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 16.653696][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 16.653697][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 16.653699][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 16.653701][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.653703][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.653705][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.653708][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.653710][ C3] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.653712][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.653713][ C3] console_emit_next_record (kernel/printk/printk.c:3177) [ 16.653715][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.653717][ C3] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.653719][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.653720][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.653722][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.653724][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.653726][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.653728][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.653730][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.653731][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.653733][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.653735][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.653737][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.653738][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 16.653741][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.653743][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.653745][ C3] _printk (kernel/printk/printk.c:2504) [ 16.653746][ C3] ? snapshot_read.cold (user.c:?) [ 16.653748][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.653751][ C3] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.653758][ C3] ? idr_get_free (??:?) [ 16.653760][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.653762][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.653764][ C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.653777][ C3] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.653783][ C3] ? __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 [ 16.653792][ C3] ? 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 [ 16.653799][ C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.653806][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.653807][ C3] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.653814][ C3] ? 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 [ 16.653819][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.653821][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.653823][ C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.653830][ C3] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.653836][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.653839][ C3] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 16.653842][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 16.653845][ C3] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 16.653847][ C3] ? do_xdp_generic (net/core/dev.c:5732) [ 16.653849][ C3] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 16.653851][ C3] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 16.653853][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.653854][ C3] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 16.653856][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.653858][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.653859][ C3] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.653862][ C3] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.653864][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.653865][ C3] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 16.653867][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.653869][ C3] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.653871][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.653873][ C3] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.653874][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.653876][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.653878][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.653880][ C3] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 16.653882][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.653883][ C3] ? netif_receive_skb_list (net/core/dev.c:6551) [ 16.653885][ C3] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 16.653887][ C3] gro_cell_poll (net/core/gro_cells.c:76) [ 16.653890][ C3] __napi_poll (net/core/dev.c:7787) [ 16.653892][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.653894][ C3] ? __napi_poll (./include/net/gro.h:507) [ 16.653896][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.653898][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.653900][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 16.653903][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.653905][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.653907][ C3] handle_softirqs (kernel/softirq.c:645) [ 16.653908][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.653910][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.653911][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.653913][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.653914][ C3] [ 16.653915][ C3] [ 16.653915][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.653917][ C3] __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)) [ 16.653920][ C3] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.653921][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.653923][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.653924][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.653925][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.653927][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.653929][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.653931][ C3] ? neigh_hh_output (./include/net/neighbour.h:525) [ 16.653933][ C3] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 16.653935][ C3] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.653936][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.653937][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.653939][ C3] ? 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)) [ 16.653941][ C3] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.653943][ C3] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.653945][ C3] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.653946][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.653947][ C3] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 16.653950][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.653952][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.653953][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.653954][ C3] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 16.653957][ C3] 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)) [ 16.653959][ C3] ? mld_dad_start_work (net/ipv6/mcast.c:1133) [ 16.653961][ C3] ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148) [ 16.653963][ C3] mld_ifc_work (net/ipv6/mcast.c:2711) [ 16.653965][ C3] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 16.653966][ C3] process_one_work (kernel/workqueue.c:3387) [ 16.653969][ C3] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.653971][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.653974][ C3] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.653976][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.653977][ C3] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.653979][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.653981][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.653982][ C3] kthread (kernel/kthread.c:436) [ 16.653984][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.653986][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.653988][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.653989][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.653991][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.653994][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.653996][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 16.654014][ C3] softirqs last disabled at (29745): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 16.654015][ C3] Preemption disabled at: | [ 16.654016][ C3] __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)) | [ 16.654020][ C3] Tainted: [W]=WARN [ 16.654021][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.654021][ C3] Workqueue: mld mld_ifc_work [ 16.654023][ C3] Call Trace: [ 16.654024][ C3] [ 16.654024][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.654027][ C3] ? __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)) [ 16.654028][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 16.654031][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.654034][ C3] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 16.654036][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.654041][ C3] __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)) [ 16.654043][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.654044][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.654046][ C3] ? 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) [ 16.654048][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.654050][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 16.654052][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.654054][ C3] ? mark_lock (kernel/locking/lockdep.c:4769) [ 16.654057][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.654059][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.654061][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.654062][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.654064][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.654067][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.654068][ C3] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.654070][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.654072][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.654074][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.654076][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.654077][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.654079][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.654081][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.654083][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.654084][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.654086][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.654088][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.654090][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 16.654092][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.654094][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.654095][ C3] _printk (kernel/printk/printk.c:2504) [ 16.654097][ C3] ? snapshot_read.cold (user.c:?) [ 16.654099][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.654101][ C3] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.654107][ C3] ? idr_get_free (??:?) [ 16.654109][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.654110][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.654112][ C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.654120][ C3] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.654126][ C3] ? __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 [ 16.654133][ C3] ? 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 [ 16.654140][ C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.654147][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.654148][ C3] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.654155][ C3] ? 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 [ 16.654158][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.654160][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.654162][ C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.654168][ C3] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.654174][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.654177][ C3] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 16.654178][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 16.654181][ C3] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 16.654183][ C3] ? do_xdp_generic (net/core/dev.c:5732) [ 16.654185][ C3] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 16.654186][ C3] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 16.654188][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.654190][ C3] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 16.654192][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.654193][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.654195][ C3] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.654197][ C3] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.654199][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.654200][ C3] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 16.654202][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.654204][ C3] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.654206][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.654207][ C3] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.654209][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.654210][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.654212][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.654214][ C3] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 16.654216][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.654217][ C3] ? netif_receive_skb_list (net/core/dev.c:6551) [ 16.654219][ C3] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 16.654221][ C3] gro_cell_poll (net/core/gro_cells.c:76) [ 16.654224][ C3] __napi_poll (net/core/dev.c:7787) [ 16.654226][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.654228][ C3] ? __napi_poll (./include/net/gro.h:507) [ 16.654230][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.654232][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.654234][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 16.654236][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.654238][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.654239][ C3] handle_softirqs (kernel/softirq.c:645) [ 16.654241][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.654242][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.654244][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.654246][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.654247][ C3] [ 16.654247][ C3] [ 16.654248][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.654249][ C3] __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)) [ 16.654252][ C3] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.654254][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.654255][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.654256][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.654258][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.654260][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.654261][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.654262][ C3] ? neigh_hh_output (./include/net/neighbour.h:525) [ 16.654264][ C3] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 16.654266][ C3] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.654267][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.654269][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.654270][ C3] ? 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)) [ 16.654272][ C3] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.654274][ C3] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.654275][ C3] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.654276][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.654278][ C3] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 16.654280][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.654281][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.654282][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.654284][ C3] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 16.654286][ C3] 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)) [ 16.654288][ C3] ? mld_dad_start_work (net/ipv6/mcast.c:1133) [ 16.654290][ C3] ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148) [ 16.654292][ C3] mld_ifc_work (net/ipv6/mcast.c:2711) [ 16.654294][ C3] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 16.654295][ C3] process_one_work (kernel/workqueue.c:3387) [ 16.654298][ C3] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.654300][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.654302][ C3] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.654304][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.654306][ C3] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.654307][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.654309][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.654310][ C3] kthread (kernel/kthread.c:436) [ 16.654312][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.654313][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.654315][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.654316][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.654318][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.654319][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.654321][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.052355][ C2] softirqs last disabled at (15244): __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)) | [ 18.052357][ C2] Preemption disabled at: | [ 18.052358][ 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)) | [ 18.052367][ C2] Tainted: [W]=WARN [ 18.052368][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.052370][ C2] Workqueue: mld mld_dad_work [ 18.052376][ C2] Call Trace: [ 18.052377][ C2] [ 18.052379][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.052384][ 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)) [ 18.052386][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 18.052389][ C2] ? br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 18.052403][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.052407][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 18.052410][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052414][ 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)) [ 18.052417][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.052420][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.052424][ 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) [ 18.052426][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.052428][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 18.052430][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.052432][ C2] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 18.052435][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.052438][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.052440][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052441][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.052443][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.052446][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.052448][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052450][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052451][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052453][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.052455][ C2] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 18.052456][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.052459][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.052462][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.052463][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.052465][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.052467][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052468][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.052470][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.052471][ C2] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 18.052473][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.052475][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.052477][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 18.052480][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.052481][ C2] ? 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) [ 18.052483][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052485][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.052487][ C2] _printk (kernel/printk/printk.c:2504) [ 18.052490][ C2] ? snapshot_read.cold (user.c:?) [ 18.052492][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 18.052495][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 18.052503][ C2] ? idr_get_free (??:?) [ 18.052505][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 18.052515][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 18.052523][ 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 [ 18.052532][ 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 [ 18.052539][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 18.052546][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.052549][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052551][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 18.052557][ C2] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 18.052559][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.052560][ C2] ? fib_rules_unregister (net/core/fib_rules.c:189) [ 18.052564][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 18.052570][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052572][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 18.052579][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 18.052582][ C2] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 18.052585][ C2] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 18.052590][ C2] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 18.052592][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 18.052594][ C2] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 18.052596][ C2] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 18.052598][ C2] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 18.052600][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052602][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 18.052604][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.052606][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 18.052608][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 18.052610][ C2] ? ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 18.052613][ C2] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 18.052615][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.052616][ C2] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 18.052618][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 18.052620][ C2] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) [ 18.052622][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 18.052624][ C2] ? ipv6_gro_receive (net/ipv6/ip6_offload.c:231 (discriminator 5)) [ 18.052627][ C2] ? wq_update_node_max_active (kernel/workqueue.c:1674 (discriminator 1)) [ 18.052630][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.052632][ C2] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 18.052634][ C2] ? netif_receive_skb_list (net/core/dev.c:6551) [ 18.052636][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.052638][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052640][ C2] gro_cell_poll (net/core/gro_cells.c:76) [ 18.052645][ C2] __napi_poll (net/core/dev.c:7787) [ 18.052647][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 18.052650][ C2] ? __napi_poll (./include/net/gro.h:507) [ 18.052651][ C2] ? trace_rcu_grace_period (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3) ./include/trace/events/rcu.h:69 (discriminator 3)) [ 18.052653][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.052654][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.052656][ C2] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 18.052658][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 18.052661][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052663][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052665][ C2] handle_softirqs (kernel/softirq.c:645) [ 18.052668][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 18.052670][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 18.052671][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.052672][ 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)) [ 18.052674][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 18.052676][ C2] [ 18.052676][ C2] [ 18.052677][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 18.052679][ 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)) [ 18.052681][ C2] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 18.052683][ C2] ? mld_dad_work (net/ipv6/mcast.c:2311) [ 18.052685][ C2] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 18.052688][ C2] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 18.052690][ C2] ? mroute6_is_socket (net/ipv6/ip6mr.c:1698) [ 18.052692][ C2] ? ip6mr_fib_lookup (net/ipv6/ip6mr.c:158) [ 18.052694][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052696][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.052697][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052699][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 18.052700][ C2] ? neigh_hh_output (./include/net/neighbour.h:525) [ 18.052703][ C2] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 18.052706][ C2] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 18.052707][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052709][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.052711][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052712][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.052714][ C2] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 18.052716][ C2] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 18.052718][ C2] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 18.052719][ C2] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 18.052722][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.052724][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.052725][ C2] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 18.052726][ C2] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 18.052728][ C2] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 18.052729][ C2] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 18.052732][ C2] 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)) [ 18.052734][ C2] ? mld_dad_start_work (net/ipv6/mcast.c:1133) [ 18.052736][ C2] ? debug_object_deactivate (lib/debugobjects.c:951 (discriminator 3)) [ 18.052740][ C2] ? ip6_mc_add1_src (net/ipv6/mcast.c:2439) [ 18.052742][ C2] mld_dad_work (net/ipv6/mcast.c:2311) [ 18.052744][ C2] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 18.052746][ C2] process_one_work (kernel/workqueue.c:3387) [ 18.052749][ C2] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.052750][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.052752][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.052755][ C2] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.052757][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.052758][ C2] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 18.052761][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.052762][ C2] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.052764][ C2] kthread (kernel/kthread.c:436) [ 18.052766][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.052767][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.052773][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.052776][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.052778][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.052781][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.052782][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.893374][ C2] softirqs last disabled at (758665): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 21.893377][ C2] Preemption disabled at: | [ 21.893377][ C2] 0x0 | [ 21.893388][ C2] Tainted: [W]=WARN [ 21.893389][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.893391][ C2] Call Trace: [ 21.893393][ C2] [ 21.893395][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.893400][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 21.893404][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.893407][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893411][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893413][ 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)) [ 21.893416][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.893419][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.893423][ 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) [ 21.893424][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.893427][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 21.893428][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.893430][ C2] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 21.893433][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.893437][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.893438][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.893440][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893442][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.893444][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.893446][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.893448][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893450][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893451][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893453][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.893455][ C2] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 21.893456][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.893458][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.893461][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.893463][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.893464][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.893466][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893467][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.893469][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.893470][ C2] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 21.893472][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.893474][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.893476][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 21.893478][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.893480][ C2] ? 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) [ 21.893481][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893483][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.893485][ C2] _printk (kernel/printk/printk.c:2504) [ 21.893488][ C2] ? snapshot_read.cold (user.c:?) [ 21.893490][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 21.893493][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 21.893505][ C2] ? idr_get_free (??:?) [ 21.893508][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 21.893518][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 21.893526][ 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 [ 21.893535][ 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 [ 21.893541][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 21.893548][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.893551][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893553][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 21.893559][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893561][ C2] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 21.893563][ C2] ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan [ 21.893568][ C2] ? fib_rules_unregister (net/core/fib_rules.c:189) [ 21.893572][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 21.893579][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893581][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 21.893587][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 21.893591][ C2] ? __udp4_lib_lookup (net/ipv4/udp.c:714) [ 21.893594][ C2] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 21.893597][ C2] ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390) [ 21.893599][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 21.893601][ C2] ? udp_unicast_rcv_skb (net/ipv4/udp.c:2578) [ 21.893603][ C2] ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3)) [ 21.893605][ C2] ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1)) [ 21.893607][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893609][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 21.893611][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.893613][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.893614][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 21.893616][ C2] ? ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 21.893619][ C2] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 21.893621][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.893622][ C2] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 21.893625][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 21.893627][ C2] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349) [ 21.893629][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 21.893631][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893632][ C2] ? ipv6_gro_receive (net/ipv6/ip6_offload.c:231 (discriminator 5)) [ 21.893636][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.893638][ C2] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 21.893640][ C2] ? netif_receive_skb_list (net/core/dev.c:6551) [ 21.893642][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.893643][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893645][ C2] gro_cell_poll (net/core/gro_cells.c:76) [ 21.893650][ C2] __napi_poll (net/core/dev.c:7787) [ 21.893652][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 21.893654][ C2] ? __napi_poll (./include/net/gro.h:507) [ 21.893656][ C2] ? 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) [ 21.893659][ C2] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 21.893661][ C2] ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 21.893664][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893666][ C2] handle_softirqs (kernel/softirq.c:645) [ 21.893668][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.893670][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.893672][ C2] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 21.893673][ C2] irq_exit_rcu (kernel/softirq.c:784) [ 21.893674][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 21.893677][ C2] [ 21.893677][ C2] [ 21.893678][ C2] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 21.893679][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 21.893682][ C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 21.893685][ C2] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 e2 f5 01 mov 0x1f5e294(%rip),%rdi # 0x1f5e29b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 a3 95 00 sub 0x95a358(%rip),%rax # 0x95a36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 96 11 00 verw 0x119613(%rip) # 0x11963b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 21.893687][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000246 [ 21.893690][ C2] RAX: 0000000000000002 RBX: ff11000001bec6c0 RCX: 0000000000000001 [ 21.893691][ C2] RDX: 0000000000000002 RSI: ffffffffa248d860 RDI: ffffffff9fcf0307 [ 21.893692][ C2] RBP: 0000000000000000 R08: ffffffffa2180421 R09: 1fe2200006a663a2 [ 21.893693][ C2] R10: 0000000000000002 R11: 0000000000000000 R12: 1ff400000002afc3 [ 21.893694][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 21.893695][ C2] ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124) [ 21.893697][ C2] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 21.893700][ C2] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 21.893702][ C2] default_idle_call (kernel/sched/idle.c:122) [ 21.893704][ C2] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 21.893705][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 21.893707][ C2] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 21.893709][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893711][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.893713][ C2] do_idle (kernel/sched/idle.c:355) [ 21.893714][ C2] cpu_startup_entry (kernel/sched/idle.c:454) [ 21.893716][ C2] start_secondary (arch/x86/kernel/smpboot.c:312) [ 21.893718][ C2] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 21.893719][ C2] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 28.233663][ T12] softirqs last disabled at (31974): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 28.233665][ T12] Preemption disabled at: | [ 28.233666][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.233678][ T12] Tainted: [W]=WARN [ 28.233679][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.233681][ T12] Workqueue: netns cleanup_net [ 28.233686][ T12] Call Trace: [ 28.233688][ T12] [ 28.233689][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.233694][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.233696][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 28.233700][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.233703][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.233707][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 28.233711][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.233714][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.233717][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 28.233719][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.233721][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 28.233722][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 28.233724][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.233727][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 28.233729][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.233732][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.233733][ T12] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 28.233735][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.233737][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.233738][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.233740][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.233742][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.233745][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.233746][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.233748][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.233750][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.233751][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.233753][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 28.233755][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.233757][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.233760][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.233762][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.233763][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.233765][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.233766][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 28.233768][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.233769][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 28.233771][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.233773][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.233776][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 28.233778][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.233780][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 28.233783][ T12] ? kthread (kernel/kthread.c:436) [ 28.233784][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 28.233787][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 28.233789][ T12] _printk (kernel/printk/printk.c:2504) [ 28.233792][ T12] ? snapshot_read.cold (user.c:?) [ 28.233795][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 28.233798][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 28.233799][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 28.233801][ T12] ? netdev_notice (net/core/dev.c:13194) [ 28.233803][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.233805][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 28.233811][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 28.233814][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 28.233815][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 28.233818][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 28.233821][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 28.233824][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 28.233838][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 28.233846][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 28.233854][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 28.233856][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 28.233858][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 28.233861][ T12] cleanup_net (net/core/net_namespace.c:706) [ 28.233863][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 28.233865][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.233867][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.233869][ T12] process_one_work (kernel/workqueue.c:3387) [ 28.233872][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 28.233874][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.233876][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 28.233879][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.233881][ T12] kthread (kernel/kthread.c:436) [ 28.233883][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.233884][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.233886][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 28.233887][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 28.233889][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 28.233892][ T12] ? 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 netif_rx_mode_run:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __dev_queue_xmit:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars