====================================== | [ 9.480746][ T186] softirqs last disabled at (48535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.480748][ T186] Preemption disabled at: | [ 9.480749][ T186] 0x0 | [ 9.480759][ T186] Tainted: [W]=WARN [ 9.480760][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.480761][ T186] Call Trace: [ 9.480763][ T186] [ 9.480764][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.480770][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 9.480775][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.480779][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.480784][ T186] __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)) [ 9.480786][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.480792][ T186] ? 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) [ 9.480795][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.480798][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 9.480800][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.480802][ T186] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.480806][ T186] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.480811][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.480817][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.480819][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.480822][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.480825][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.480829][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.480831][ T186] ? 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)) [ 9.480834][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.480836][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.480840][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.480844][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.480846][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.480851][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.480853][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.480855][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.480857][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.480861][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.480862][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.480866][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 9.480869][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.480873][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.480876][ T186] _printk (kernel/printk/printk.c:2504) [ 9.480880][ T186] ? snapshot_read.cold (user.c:?) [ 9.480883][ T186] ? 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) [ 9.480885][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.480889][ T186] ? 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) [ 9.480892][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.480895][ T186] ? exit_notify (kernel/exit.c:780) [ 9.480897][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.480899][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.480903][ T186] do_group_exit (kernel/exit.c:1151) [ 9.480906][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.480908][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.480910][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.480913][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.480916][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.480918][ T186] RIP: 0033:0x7f2d63f811b8 [ 9.480920][ T186] Code: Unable to access opcode bytes at 0x7f2d63f8118e. Code starting with the faulting instruction =========================================== [ 9.480922][ T186] RSP: 002b:00007ffccea92738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.480924][ T186] RAX: ffffffffffffffda RBX: 00007f2d640b1f88 RCX: 00007f2d63f811b8 [ 9.480925][ T186] RDX: 00007f2d63ccbfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.480926][ T186] RBP: 00007ffccea92790 R08: 0000000000000000 R09: 0000000000008010 [ 9.480927][ T186] R10: 00007ffccea92550 R11: 0000000000000246 R12: 0000000000000001 [ 9.480928][ T186] R13: 0000000000000000 R14: 00007f2d640b0680 R15: 00007f2d640b1fa0 | [ 11.544883][ T266] softirqs last disabled at (26160): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.544886][ T266] Preemption disabled at: | [ 11.544886][ T266] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.544896][ T266] Tainted: [W]=WARN [ 11.544897][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.544899][ T266] Call Trace: [ 11.544901][ T266] [ 11.544902][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.544908][ T266] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.544911][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 11.544915][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.544919][ T266] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.544924][ T266] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.544927][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.544932][ T266] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.544935][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.544938][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 11.544941][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.544945][ T266] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.544948][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.544951][ T266] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.544953][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.544954][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.544958][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.544960][ T266] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.544963][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.544967][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.544971][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.544974][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.544976][ T266] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.544979][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.544981][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.544985][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.544989][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.544991][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.544998][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.545000][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.545002][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.545004][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.545008][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.545009][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.545013][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 11.545016][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.545019][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.545020][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.545025][ T266] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.545028][ T266] _printk (kernel/printk/printk.c:2504) [ 11.545032][ T266] ? snapshot_read.cold (user.c:?) [ 11.545036][ T266] ? br_multicast_flood (??:?) bridge [ 11.545048][ T266] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.545049][ T266] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.545051][ T266] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.545055][ T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.545065][ T266] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.545074][ T266] new_nbp (net/bridge/br_if.c:449) bridge [ 11.545084][ T266] br_add_if (net/bridge/br_if.c:592) bridge [ 11.545093][ T266] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.545097][ T266] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.545100][ T266] ? __kernel_text_address (kernel/extable.c:79) [ 11.545104][ T266] do_set_master (net/core/rtnetlink.c:3071) [ 11.545108][ T266] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.545112][ T266] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.545114][ T266] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.545116][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.545118][ T266] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.545122][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.545124][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.545126][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.545129][ T266] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.545132][ T266] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.545133][ T266] ? kasan_save_track (mm/kasan/common.c:78) [ 11.545136][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.545137][ T266] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 11.545140][ T266] ? ___sys_sendmsg (net/socket.c:2757) [ 11.545145][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.545147][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.545149][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.545152][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.545153][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.545155][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.545157][ T266] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.545161][ T266] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 11.545162][ T266] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.545164][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.545168][ T266] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.545169][ T266] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.545174][ T266] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.545179][ T266] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.545184][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.545186][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.545190][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.545192][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.545194][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.545196][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.545199][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.545201][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.545204][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.545205][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.545210][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.545212][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.545215][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.545217][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.545219][ T266] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.545225][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 11.545227][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 11.545231][ T266] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.545234][ T266] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.545237][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.545241][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.545244][ T266] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.545248][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.545253][ T266] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.545256][ T266] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.545258][ T266] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.545260][ T266] ? move_addr_to_kernel (net/socket.c:258) [ 11.545267][ T266] ___sys_sendmsg (net/socket.c:2767) [ 11.545269][ T266] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.545285][ T266] __sys_sendmsg (net/socket.c:2799) [ 11.545287][ T266] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.545293][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.545297][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.545299][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.545302][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.545305][ T266] RIP: 0033:0x7f4c6838554e [ 11.545308][ T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 11.545310][ T266] RSP: 002b:00007ffe4172b600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.545313][ T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4c6838554e [ 11.545314][ T266] RDX: 0000000000000000 RSI: 00007ffe4172b6b0 RDI: 0000000000000005 [ 11.545315][ T266] RBP: 00007ffe4172b610 R08: 0000000000000000 R09: 0000000000000000 [ 11.545315][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918c43 [ 11.545316][ T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4172bd70 | [ 14.420242][ T362] softirqs last disabled at (13119): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.420244][ T362] Preemption disabled at: | [ 14.420245][ T362] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.420254][ T362] Tainted: [W]=WARN [ 14.420255][ T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.420257][ T362] Call Trace: [ 14.420258][ T362] [ 14.420260][ T362] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.420266][ T362] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.420268][ T362] __might_resched.cold (kernel/sched/core.c:9234) [ 14.420273][ T362] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.420277][ T362] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.420283][ T362] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.420285][ T362] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.420290][ T362] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.420293][ T362] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.420296][ T362] put_chars (drivers/char/virtio_console.c:1176) [ 14.420298][ T362] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.420300][ T362] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.420303][ T362] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.420307][ T362] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.420310][ T362] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.420313][ T362] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.420316][ T362] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.420318][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.420319][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.420323][ T362] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.420325][ T362] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.420328][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.420331][ T362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.420335][ T362] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.420339][ T362] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.420340][ T362] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.420343][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.420346][ T362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.420350][ T362] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.420354][ T362] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.420356][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.420361][ T362] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.420363][ T362] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.420365][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.420368][ T362] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.420371][ T362] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.420373][ T362] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.420376][ T362] vprintk_emit (kernel/printk/printk.c:2479) [ 14.420380][ T362] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.420383][ T362] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 14.420389][ T362] _printk (kernel/printk/printk.c:2504) [ 14.420392][ T362] ? snapshot_read.cold (user.c:?) [ 14.420396][ T362] ? br_multicast_flood (??:?) bridge [ 14.420409][ T362] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.420411][ T362] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.420412][ T362] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.420416][ T362] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 14.420426][ T362] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 14.420435][ T362] new_nbp (net/bridge/br_if.c:449) bridge [ 14.420443][ T362] br_add_if (net/bridge/br_if.c:592) bridge [ 14.420450][ T362] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 14.420454][ T362] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.420457][ T362] ? __kernel_text_address (kernel/extable.c:79) [ 14.420461][ T362] do_set_master (net/core/rtnetlink.c:3071) [ 14.420465][ T362] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.420473][ T362] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.420476][ T362] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.420477][ T362] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.420479][ T362] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.420483][ T362] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.420485][ T362] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.420487][ T362] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.420490][ T362] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.420493][ T362] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.420494][ T362] ? kasan_save_track (mm/kasan/common.c:78) [ 14.420497][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.420499][ T362] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 14.420501][ T362] ? ___sys_sendmsg (net/socket.c:2757) [ 14.420506][ T362] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.420508][ T362] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.420510][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.420513][ T362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.420514][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.420516][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.420518][ T362] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.420522][ T362] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 14.420525][ T362] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.420528][ T362] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.420531][ T362] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.420533][ T362] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.420537][ T362] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.420543][ T362] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.420548][ T362] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.420550][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.420554][ T362] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.420556][ T362] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.420558][ T362] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.420560][ T362] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.420563][ T362] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.420565][ T362] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.420568][ T362] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.420570][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.420574][ T362] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.420576][ T362] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.420579][ T362] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.420581][ T362] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.420584][ T362] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.420590][ T362] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.420592][ T362] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.420596][ T362] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.420599][ T362] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.420602][ T362] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.420606][ T362] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.420610][ T362] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.420613][ T362] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.420619][ T362] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.420621][ T362] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.420623][ T362] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.420625][ T362] ? move_addr_to_kernel (net/socket.c:258) [ 14.420632][ T362] ___sys_sendmsg (net/socket.c:2767) [ 14.420635][ T362] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.420650][ T362] __sys_sendmsg (net/socket.c:2799) [ 14.420653][ T362] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.420659][ T362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.420663][ T362] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.420665][ T362] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.420668][ T362] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.420670][ T362] RIP: 0033:0x7f021b16554e [ 14.420673][ T362] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.420675][ T362] RSP: 002b:00007ffda9b95160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.420678][ T362] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f021b16554e [ 14.420679][ T362] RDX: 0000000000000000 RSI: 00007ffda9b95210 RDI: 0000000000000005 [ 14.420680][ T362] RBP: 00007ffda9b95170 R08: 0000000000000000 R09: 0000000000000000 [ 14.420681][ T362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918c45 [ 14.420682][ T362] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda9b958d0 | [ 16.449831][ C2] | [ 16.449831][ C2] | [ 16.449831][ C2] stack backtrace: | [ 16.449838][ C2] Tainted: [W]=WARN [ 16.449839][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.449840][ C2] Call Trace: [ 16.449841][ C2] [ 16.449843][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.449847][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 16.449849][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 16.449852][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 16.449854][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 16.449855][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 16.449858][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.449859][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.449861][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.449865][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.449867][ C2] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.449868][ C2] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.449870][ C2] console_emit_next_record (kernel/printk/printk.c:3177) [ 16.449872][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.449874][ C2] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.449876][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.449877][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.449879][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.449882][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.449883][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.449886][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.449888][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.449889][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.449891][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.449893][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.449894][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.449896][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 16.449899][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.449901][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.449903][ C2] _printk (kernel/printk/printk.c:2504) [ 16.449905][ C2] ? snapshot_read.cold (user.c:?) [ 16.449906][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.449910][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.449917][ C2] ? idr_get_free (??:?) [ 16.449919][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.449926][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.449933][ 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 [ 16.449941][ 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 [ 16.449948][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.449955][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.449961][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.449963][ C2] ? br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.449970][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.449976][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.449982][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.449984][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.449986][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 16.449988][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 16.449991][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 16.449994][ C2] ? __unwind_start (arch/x86/kernel/unwind_orc.c:787) [ 16.449997][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.450000][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.450002][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.450004][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.450005][ C2] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 16.450007][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.450009][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.450011][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.450013][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.450014][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.450016][ C2] ? 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)) [ 16.450017][ C2] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 16.450019][ C2] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 16.450020][ C2] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 16.450022][ C2] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 16.450025][ C2] __napi_poll (net/core/dev.c:7787) [ 16.450027][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.450029][ C2] ? __napi_poll (./include/net/gro.h:507) [ 16.450031][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.450034][ C2] ? __schedule (kernel/sched/core.c:7277) [ 16.450036][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.450038][ C2] handle_softirqs (kernel/softirq.c:645) [ 16.450040][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.450041][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.450043][ C2] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 16.450044][ C2] smpboot_thread_fn (kernel/smpboot.c:160) [ 16.450046][ C2] ? sort_range (kernel/range.c:164) [ 16.450048][ C2] kthread (kernel/kthread.c:436) [ 16.450049][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.450052][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.450053][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.450055][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.450056][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.450059][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.450061][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 16.450080][ C2] softirqs last disabled at (1216733): run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) | [ 16.450081][ C2] Preemption disabled at: | [ 16.450082][ C2] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) | [ 16.450086][ C2] Tainted: [W]=WARN [ 16.450090][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.450091][ C2] Call Trace: [ 16.450091][ C2] [ 16.450092][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.450094][ C2] ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) [ 16.450096][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 16.450099][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.450102][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.450104][ 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)) [ 16.450105][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.450107][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.450109][ 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) [ 16.450111][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.450112][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 16.450114][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.450116][ C2] ? mark_lock (kernel/locking/lockdep.c:4769) [ 16.450118][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.450120][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.450122][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.450123][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.450125][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.450127][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.450129][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.450131][ C2] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.450133][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.450134][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.450136][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.450138][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.450140][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.450142][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.450144][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.450146][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.450147][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.450149][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.450151][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.450153][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 16.450155][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.450157][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.450159][ C2] _printk (kernel/printk/printk.c:2504) [ 16.450160][ C2] ? snapshot_read.cold (user.c:?) [ 16.450162][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.450164][ C2] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.450170][ C2] ? idr_get_free (??:?) [ 16.450173][ C2] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.450180][ C2] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.450186][ 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 [ 16.450192][ 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 [ 16.450199][ C2] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.450205][ C2] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.450211][ C2] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.450213][ C2] ? br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.450220][ C2] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.450226][ C2] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.450232][ C2] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.450235][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.450236][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 16.450238][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 16.450240][ C2] ? do_xdp_generic (net/core/dev.c:5732) [ 16.450242][ C2] ? __unwind_start (arch/x86/kernel/unwind_orc.c:787) [ 16.450244][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.450247][ C2] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.450249][ C2] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.450251][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.450253][ C2] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 16.450255][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.450257][ C2] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.450258][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.450260][ C2] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.450261][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.450263][ C2] ? 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)) [ 16.450264][ C2] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 16.450266][ C2] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 16.450268][ C2] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 16.450269][ C2] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 16.450272][ C2] __napi_poll (net/core/dev.c:7787) [ 16.450274][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.450277][ C2] ? __napi_poll (./include/net/gro.h:507) [ 16.450278][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.450281][ C2] ? __schedule (kernel/sched/core.c:7277) [ 16.450283][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.450285][ C2] handle_softirqs (kernel/softirq.c:645) [ 16.450287][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.450288][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.450290][ C2] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 16.450292][ C2] smpboot_thread_fn (kernel/smpboot.c:160) [ 16.450294][ C2] ? sort_range (kernel/range.c:164) [ 16.450295][ C2] kthread (kernel/kthread.c:436) [ 16.450297][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.450298][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.450300][ C2] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.450301][ C2] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.450303][ C2] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.450304][ C2] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.450306][ C2] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.292184][ T71] softirqs last disabled at (29082): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 32.292187][ T71] Preemption disabled at: | [ 32.292188][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.292200][ T71] Tainted: [W]=WARN [ 32.292201][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.292203][ T71] Workqueue: netns cleanup_net [ 32.292210][ T71] Call Trace: [ 32.292212][ T71] [ 32.292213][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.292218][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.292220][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 32.292224][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.292227][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.292232][ 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)) [ 32.292235][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.292238][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.292242][ 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) [ 32.292243][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.292245][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 32.292247][ T71] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 32.292249][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.292251][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 32.292254][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.292257][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.292258][ T71] ? 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) [ 32.292260][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.292262][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.292263][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.292265][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.292268][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.292270][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.292272][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.292274][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.292276][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.292278][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.292280][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.292281][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.292284][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.292287][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.292288][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.292290][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.292292][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.292294][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.292295][ T71] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.292297][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.292299][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.292301][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.292303][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 32.292305][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.292307][ T71] ? process_one_work (kernel/workqueue.c:3387) [ 32.292310][ T71] ? kthread (kernel/kthread.c:436) [ 32.292312][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 32.292314][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 32.292317][ T71] _printk (kernel/printk/printk.c:2504) [ 32.292320][ T71] ? snapshot_read.cold (user.c:?) [ 32.292322][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.292325][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.292327][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.292329][ T71] ? netdev_notice (net/core/dev.c:13194) [ 32.292331][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.292333][ T71] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 32.292335][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.292337][ T71] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 32.292339][ 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) [ 32.292341][ T71] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 32.292344][ T71] dev_set_allmulti (net/core/dev_api.c:315) [ 32.292347][ T71] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 32.292362][ T71] br_dev_delete (net/bridge/br_if.c:387) bridge [ 32.292371][ T71] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 32.292379][ T71] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 32.292381][ T71] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 32.292384][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 32.292387][ T71] cleanup_net (net/core/net_namespace.c:706) [ 32.292389][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 32.292391][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.292393][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.292395][ T71] process_one_work (kernel/workqueue.c:3387) [ 32.292398][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.292400][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.292402][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.292405][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.292407][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.292409][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 32.292411][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.292412][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.292414][ T71] kthread (kernel/kthread.c:436) [ 32.292416][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.292417][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.292419][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.292420][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.292422][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.292425][ T71] ? 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 run_ksoftirqd:handle_softirqs:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars