====================================== | [ 9.860633][ T187] softirqs last disabled at (41495): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.860635][ T187] Preemption disabled at: | [ 9.860635][ T187] 0x0 | [ 9.860646][ T187] Tainted: [W]=WARN [ 9.860647][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.860648][ T187] Call Trace: [ 9.860650][ T187] [ 9.860651][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.860658][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.860662][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.860667][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.860672][ T187] __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)) [ 9.860674][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.860679][ T187] ? 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) [ 9.860682][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.860685][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.860688][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.860689][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.860693][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.860698][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.860704][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.860706][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.860709][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.860713][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.860716][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.860718][ T187] ? 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)) [ 9.860721][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.860724][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.860727][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.860731][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.860733][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.860738][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.860741][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.860743][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.860745][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.860748][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.860750][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.860753][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.860757][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.860760][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.860764][ T187] _printk (kernel/printk/printk.c:2504) [ 9.860768][ T187] ? snapshot_read.cold (user.c:?) [ 9.860771][ T187] ? 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) [ 9.860773][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.860777][ T187] ? 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) [ 9.860779][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.860783][ T187] ? exit_notify (kernel/exit.c:780) [ 9.860785][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.860787][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.860792][ T187] do_group_exit (kernel/exit.c:1151) [ 9.860794][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.860796][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.860798][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.860801][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.860804][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.860806][ T187] RIP: 0033:0x7fed6a6a01b8 [ 9.860809][ T187] Code: Unable to access opcode bytes at 0x7fed6a6a018e. Code starting with the faulting instruction =========================================== [ 9.860810][ T187] RSP: 002b:00007ffcd2e29b68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.860812][ T187] RAX: ffffffffffffffda RBX: 00007fed6a7d0f88 RCX: 00007fed6a6a01b8 [ 9.860813][ T187] RDX: 00007fed6a3eafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.860814][ T187] RBP: 00007ffcd2e29bc0 R08: 0000000000000000 R09: 0000000000008010 [ 9.860815][ T187] R10: 00007ffcd2e29980 R11: 0000000000000246 R12: 0000000000000001 [ 9.860816][ T187] R13: 0000000000000000 R14: 00007fed6a7cf680 R15: 00007fed6a7d0fa0 | [ 11.729737][ T267] softirqs last disabled at (23808): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.729739][ T267] Preemption disabled at: | [ 11.729740][ T267] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.729749][ T267] Tainted: [W]=WARN [ 11.729750][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.729752][ T267] Call Trace: [ 11.729754][ T267] [ 11.729755][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.729761][ T267] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.729763][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 11.729768][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.729772][ T267] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.729777][ T267] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.729780][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.729785][ T267] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.729788][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.729791][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 11.729794][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.729798][ T267] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.729802][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.729804][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.729806][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.729808][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.729812][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.729814][ T267] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.729817][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.729821][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.729825][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.729828][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.729830][ T267] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.729833][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.729835][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.729839][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.729843][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.729845][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.729850][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.729853][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.729855][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.729857][ T267] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.729860][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.729862][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.729865][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 11.729870][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.729872][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.729873][ T267] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.729878][ T267] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.729881][ T267] _printk (kernel/printk/printk.c:2504) [ 11.729885][ T267] ? snapshot_read.cold (user.c:?) [ 11.729889][ T267] ? br_multicast_flood (??:?) bridge [ 11.729901][ T267] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.729903][ T267] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.729904][ T267] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.729909][ T267] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.729919][ T267] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.729927][ T267] new_nbp (net/bridge/br_if.c:449) bridge [ 11.729936][ T267] br_add_if (net/bridge/br_if.c:592) bridge [ 11.729943][ T267] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.729947][ T267] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.729950][ T267] ? __kernel_text_address (kernel/extable.c:79) [ 11.729953][ T267] do_set_master (net/core/rtnetlink.c:3071) [ 11.729958][ T267] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.729961][ T267] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.729964][ T267] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.729965][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.729968][ T267] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.729971][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.729974][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.729976][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.729978][ T267] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.729982][ T267] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.729983][ T267] ? kasan_save_track (mm/kasan/common.c:78) [ 11.729986][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.729988][ T267] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 11.729991][ T267] ? ___sys_sendmsg (net/socket.c:2757) [ 11.729995][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.729997][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.730000][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.730002][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.730003][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.730005][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.730007][ T267] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.730011][ T267] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 11.730013][ T267] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.730015][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.730018][ T267] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.730020][ T267] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.730024][ T267] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.730030][ T267] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.730035][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.730036][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.730041][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.730043][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.730045][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.730046][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.730050][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.730052][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.730055][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.730056][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.730060][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.730062][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.730065][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.730067][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.730070][ T267] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.730076][ T267] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 11.730077][ T267] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 11.730082][ T267] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.730085][ T267] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.730088][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.730092][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.730096][ T267] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.730099][ T267] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.730104][ T267] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.730107][ T267] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.730109][ T267] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.730110][ T267] ? move_addr_to_kernel (net/socket.c:258) [ 11.730118][ T267] ___sys_sendmsg (net/socket.c:2767) [ 11.730120][ T267] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.730136][ T267] __sys_sendmsg (net/socket.c:2799) [ 11.730139][ T267] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.730145][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.730152][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.730154][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.730157][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.730159][ T267] RIP: 0033:0x7f6b54add54e [ 11.730163][ T267] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 11.730164][ T267] RSP: 002b:00007ffd554bb4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.730167][ T267] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6b54add54e [ 11.730168][ T267] RDX: 0000000000000000 RSI: 00007ffd554bb590 RDI: 0000000000000005 [ 11.730169][ T267] RBP: 00007ffd554bb4f0 R08: 0000000000000000 R09: 0000000000000000 [ 11.730170][ T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913752 [ 11.730171][ T267] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd554bbc50 | [ 14.400164][ T363] softirqs last disabled at (18894): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 14.400166][ T363] Preemption disabled at: | [ 14.400167][ T363] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.400177][ T363] Tainted: [W]=WARN [ 14.400178][ T363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.400179][ T363] Call Trace: [ 14.400181][ T363] [ 14.400183][ T363] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.400189][ T363] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.400191][ T363] __might_resched.cold (kernel/sched/core.c:9234) [ 14.400196][ T363] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.400200][ T363] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.400205][ T363] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.400207][ T363] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.400213][ T363] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.400216][ T363] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.400219][ T363] put_chars (drivers/char/virtio_console.c:1176) [ 14.400221][ T363] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.400223][ T363] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.400226][ T363] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.400230][ T363] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.400233][ T363] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.400236][ T363] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.400239][ T363] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.400241][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.400243][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.400246][ T363] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.400248][ T363] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.400252][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.400254][ T363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.400258][ T363] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.400262][ T363] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.400263][ T363] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.400266][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.400269][ T363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.400273][ T363] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.400277][ T363] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.400278][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.400284][ T363] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.400286][ T363] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.400288][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.400290][ T363] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.400294][ T363] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.400296][ T363] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.400299][ T363] vprintk_emit (kernel/printk/printk.c:2479) [ 14.400303][ T363] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.400306][ T363] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.400308][ T363] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.400312][ T363] _printk (kernel/printk/printk.c:2504) [ 14.400315][ T363] ? snapshot_read.cold (user.c:?) [ 14.400319][ T363] ? br_multicast_flood (??:?) bridge [ 14.400332][ T363] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.400333][ T363] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.400334][ T363] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.400339][ T363] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 14.400349][ T363] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 14.400357][ T363] new_nbp (net/bridge/br_if.c:449) bridge [ 14.400366][ T363] br_add_if (net/bridge/br_if.c:592) bridge [ 14.400373][ T363] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 14.400377][ T363] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.400380][ T363] ? __kernel_text_address (kernel/extable.c:79) [ 14.400384][ T363] do_set_master (net/core/rtnetlink.c:3071) [ 14.400388][ T363] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.400391][ T363] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.400394][ T363] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.400395][ T363] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.400397][ T363] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.400401][ T363] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.400403][ T363] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.400405][ T363] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.400407][ T363] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.400410][ T363] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.400412][ T363] ? kasan_save_track (mm/kasan/common.c:78) [ 14.400415][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.400417][ T363] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 14.400419][ T363] ? ___sys_sendmsg (net/socket.c:2757) [ 14.400424][ T363] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.400426][ T363] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.400428][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.400431][ T363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.400432][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.400434][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.400436][ T363] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.400440][ T363] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 14.400443][ T363] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.400445][ T363] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.400448][ T363] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.400449][ T363] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.400455][ T363] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.400460][ T363] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.400465][ T363] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.400467][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.400471][ T363] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.400473][ T363] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.400475][ T363] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.400477][ T363] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.400481][ T363] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.400483][ T363] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.400486][ T363] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.400487][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.400491][ T363] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.400493][ T363] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.400496][ T363] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.400498][ T363] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.400501][ T363] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.400507][ T363] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.400508][ T363] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.400513][ T363] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.400516][ T363] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.400519][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.400523][ T363] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.400526][ T363] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.400530][ T363] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.400536][ T363] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.400538][ T363] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.400540][ T363] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.400542][ T363] ? move_addr_to_kernel (net/socket.c:258) [ 14.400549][ T363] ___sys_sendmsg (net/socket.c:2767) [ 14.400552][ T363] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.400572][ T363] __sys_sendmsg (net/socket.c:2799) [ 14.400574][ T363] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.400580][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.400584][ T363] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.400586][ T363] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.400589][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.400592][ T363] RIP: 0033:0x7f0829d5d54e [ 14.400595][ T363] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.400597][ T363] RSP: 002b:00007ffe3d691a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.400600][ T363] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0829d5d54e [ 14.400601][ T363] RDX: 0000000000000000 RSI: 00007ffe3d691ab0 RDI: 0000000000000005 [ 14.400602][ T363] RBP: 00007ffe3d691a10 R08: 0000000000000000 R09: 0000000000000000 [ 14.400603][ T363] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913754 [ 14.400604][ T363] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3d692170 | [ 16.437518][ C1] | [ 16.437518][ C1] | [ 16.437518][ C1] stack backtrace: | [ 16.437524][ C1] Tainted: [W]=WARN [ 16.437525][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.437526][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 16.437530][ C1] Call Trace: [ 16.437531][ C1] [ 16.437532][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.437536][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 16.437539][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 16.437542][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 16.437543][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 16.437545][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 16.437547][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.437549][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.437551][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.437554][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.437556][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.437558][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.437565][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 16.437567][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.437569][ C1] ? 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)) [ 16.437571][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.437573][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.437575][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.437577][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.437579][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.437581][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.437583][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.437584][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.437586][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.437588][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.437590][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.437592][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 16.437594][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.437596][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 16.437598][ C1] _printk (kernel/printk/printk.c:2504) [ 16.437600][ C1] ? snapshot_read.cold (user.c:?) [ 16.437602][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.437605][ C1] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.437611][ C1] ? idr_get_free (??:?) [ 16.437614][ C1] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.437621][ C1] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.437627][ C1] ? __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 [ 16.437635][ C1] ? 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 [ 16.437642][ C1] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.437649][ C1] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.437655][ C1] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 16.437657][ C1] ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan [ 16.437663][ C1] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.437670][ C1] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.437676][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.437679][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.437681][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 16.437683][ C1] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 16.437684][ C1] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 16.437686][ C1] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 16.437687][ C1] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 16.437689][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.437691][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.437693][ C1] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.437695][ C1] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.437697][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.437698][ C1] ? 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)) [ 16.437701][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.437703][ C1] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.437704][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.437706][ C1] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.437707][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.437709][ C1] ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5)) [ 16.437710][ C1] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 16.437712][ C1] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 16.437714][ C1] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 16.437715][ C1] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 16.437718][ C1] __napi_poll (net/core/dev.c:7787) [ 16.437720][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.437722][ C1] ? __napi_poll (./include/net/gro.h:507) [ 16.437724][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.437727][ C1] ? 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) [ 16.437729][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.437730][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.437732][ C1] handle_softirqs (kernel/softirq.c:645) [ 16.437734][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.437735][ C1] ? 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) [ 16.437737][ C1] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 16.437738][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.437740][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.437742][ C1] [ 16.437742][ C1] [ 16.437743][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.437744][ C1] __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)) [ 16.437747][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.437749][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.437750][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.437752][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.437753][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.437755][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.437756][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.437759][ C1] ? neigh_hh_output (./include/net/neighbour.h:525) [ 16.437761][ C1] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 16.437763][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.437764][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.437765][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.437767][ C1] ? 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)) [ 16.437769][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.437771][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.437773][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.437774][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.437775][ C1] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 16.437778][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.437780][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.437781][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.437783][ C1] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 16.437785][ C1] 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)) [ 16.437787][ C1] ? mld_dad_start_work (net/ipv6/mcast.c:1133) [ 16.437790][ C1] ipv6_mc_dad_complete (net/ipv6/mcast.c:2296) [ 16.437792][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.437793][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4376) [ 16.437796][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.437797][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 16.437799][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.437800][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.437802][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.437804][ C1] ? addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 16.437805][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 16.437807][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 16.437809][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.437811][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.437813][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.437814][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.437816][ C1] process_one_work (kernel/workqueue.c:3387) [ 16.437819][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.437821][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.437824][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.437826][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.437827][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.437829][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.437831][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.437832][ C1] kthread (kernel/kthread.c:436) [ 16.437834][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.437836][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.437838][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.437840][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.437841][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.437844][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.437846][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 16.437863][ C1] softirqs last disabled at (31547): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 16.437865][ C1] Preemption disabled at: | [ 16.437865][ C1] __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)) | [ 16.437870][ C1] Tainted: [W]=WARN [ 16.437870][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.437871][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 16.437873][ C1] Call Trace: [ 16.437873][ C1] [ 16.437874][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.437876][ C1] ? __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)) [ 16.437878][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 16.437880][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.437883][ C1] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 16.437885][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.437888][ C1] __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)) [ 16.437889][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.437891][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.437892][ C1] ? 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) [ 16.437894][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.437896][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 16.437897][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.437899][ C1] ? mark_lock (kernel/locking/lockdep.c:4769) [ 16.437901][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.437903][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.437905][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.437907][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.437909][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.437910][ C1] ? 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)) [ 16.437912][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.437914][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.437916][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.437918][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.437920][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.437922][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.437924][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.437925][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.437927][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.437929][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.437930][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.437932][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 16.437935][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.437937][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 16.437939][ C1] _printk (kernel/printk/printk.c:2504) [ 16.437940][ C1] ? snapshot_read.cold (user.c:?) [ 16.437942][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.437944][ C1] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.437950][ C1] ? idr_get_free (??:?) [ 16.437953][ C1] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.437960][ C1] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.437966][ C1] ? __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 [ 16.437973][ C1] ? 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 [ 16.437979][ C1] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.437986][ C1] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.437992][ C1] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 16.437994][ C1] ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan [ 16.437998][ C1] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.438004][ C1] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.438010][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.438013][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.438015][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 16.438017][ C1] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 16.438018][ C1] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 16.438020][ C1] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 16.438021][ C1] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 16.438023][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.438025][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.438027][ C1] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.438029][ C1] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.438031][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.438032][ C1] ? 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)) [ 16.438035][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.438036][ C1] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.438038][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.438040][ C1] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.438041][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.438043][ C1] ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5)) [ 16.438044][ C1] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 16.438046][ C1] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 16.438047][ C1] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 16.438049][ C1] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 16.438052][ C1] __napi_poll (net/core/dev.c:7787) [ 16.438054][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.438056][ C1] ? __napi_poll (./include/net/gro.h:507) [ 16.438058][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.438061][ C1] ? 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) [ 16.438062][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.438064][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.438065][ C1] handle_softirqs (kernel/softirq.c:645) [ 16.438067][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.438069][ C1] ? 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) [ 16.438070][ C1] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 16.438072][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 16.438074][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 16.438075][ C1] [ 16.438076][ C1] [ 16.438076][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 16.438078][ C1] __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)) [ 16.438080][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 16.438082][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.438083][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.438085][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.438086][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.438088][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.438090][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 16.438091][ C1] ? neigh_hh_output (./include/net/neighbour.h:525) [ 16.438093][ C1] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 16.438095][ C1] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 16.438096][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.438097][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.438099][ C1] ? 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)) [ 16.438101][ C1] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 16.438103][ C1] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 16.438104][ C1] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 16.438105][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.438107][ C1] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 16.438109][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.438110][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.438112][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.438113][ C1] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 16.438115][ C1] 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)) [ 16.438117][ C1] ? mld_dad_start_work (net/ipv6/mcast.c:1133) [ 16.438120][ C1] ipv6_mc_dad_complete (net/ipv6/mcast.c:2296) [ 16.438122][ C1] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 16.438123][ C1] addrconf_dad_completed (net/ipv6/addrconf.c:4376) [ 16.438125][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.438127][ C1] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 16.438129][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.438130][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.438132][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.438133][ C1] ? addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 16.438135][ C1] addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 16.438137][ C1] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 16.438139][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.438141][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.438142][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.438144][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.438146][ C1] process_one_work (kernel/workqueue.c:3387) [ 16.438149][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 16.438150][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.438153][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 16.438155][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.438157][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 16.438158][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.438160][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 16.438162][ C1] kthread (kernel/kthread.c:436) [ 16.438163][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.438164][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.438166][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.438167][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.438169][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.438171][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.438172][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.346647][ T70] softirqs last disabled at (31547): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 32.346651][ T70] Preemption disabled at: | [ 32.346652][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.346661][ T70] Tainted: [W]=WARN [ 32.346662][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.346664][ T70] Workqueue: netns cleanup_net [ 32.346669][ T70] Call Trace: [ 32.346670][ T70] [ 32.346672][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.346677][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.346679][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 32.346683][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.346687][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.346690][ T70] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 32.346694][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.346696][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.346700][ T70] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.346701][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.346703][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 32.346705][ T70] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 32.346706][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.346709][ T70] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 32.346711][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.346715][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.346716][ T70] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 32.346717][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.346719][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.346721][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.346723][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.346725][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.346727][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.346729][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.346731][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.346733][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.346734][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.346736][ T70] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.346738][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.346740][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.346743][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.346745][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.346746][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.346748][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.346749][ T70] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.346751][ T70] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.346752][ T70] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.346754][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.346756][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.346758][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 32.346760][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.346762][ T70] ? process_one_work (kernel/workqueue.c:3387) [ 32.346765][ T70] ? kthread (kernel/kthread.c:436) [ 32.346767][ T70] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 32.346769][ T70] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 32.346772][ T70] _printk (kernel/printk/printk.c:2504) [ 32.346775][ T70] ? snapshot_read.cold (user.c:?) [ 32.346777][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.346780][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.346782][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.346784][ T70] ? netdev_notice (net/core/dev.c:13194) [ 32.346785][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.346787][ T70] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 32.346789][ T70] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.346791][ T70] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 32.346792][ T70] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 32.346795][ T70] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 32.346798][ T70] dev_set_allmulti (net/core/dev_api.c:315) [ 32.346800][ T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 32.346813][ T70] br_dev_delete (net/bridge/br_if.c:387) bridge [ 32.346821][ T70] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 32.346829][ T70] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 32.346831][ T70] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 32.346833][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 32.346837][ T70] cleanup_net (net/core/net_namespace.c:706) [ 32.346839][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 32.346841][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.346842][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.346844][ T70] process_one_work (kernel/workqueue.c:3387) [ 32.346847][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.346850][ T70] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.346852][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.346854][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.346856][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 32.346858][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.346860][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.346861][ T70] kthread (kernel/kthread.c:436) [ 32.346863][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.346864][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.346866][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.346868][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.346869][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.346872][ T70] ? 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 do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars