====================================== | [ 9.315558][ T209] softirqs last disabled at (24671): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.315560][ T209] Preemption disabled at: | [ 9.315560][ T209] 0x0 | [ 9.315570][ T209] Tainted: [W]=WARN [ 9.315571][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.315572][ T209] Call Trace: [ 9.315574][ T209] [ 9.315575][ T209] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.315582][ T209] __might_resched.cold (kernel/sched/core.c:9234) [ 9.315587][ T209] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.315591][ T209] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.315595][ T209] __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)) [ 9.315597][ T209] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.315604][ T209] ? 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) [ 9.315606][ T209] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.315610][ T209] put_chars (drivers/char/virtio_console.c:1176) [ 9.315612][ T209] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.315614][ T209] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.315617][ T209] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.315622][ T209] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.315630][ T209] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.315632][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.315634][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.315638][ T209] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.315642][ T209] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.315644][ T209] ? 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)) [ 9.315647][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.315648][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.315652][ T209] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.315656][ T209] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.315658][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.315663][ T209] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.315666][ T209] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.315668][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.315669][ T209] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.315673][ T209] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.315675][ T209] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.315677][ T209] vprintk_emit (kernel/printk/printk.c:2479) [ 9.315680][ T209] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.315683][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.315687][ T209] _printk (kernel/printk/printk.c:2504) [ 9.315690][ T209] ? snapshot_read.cold (user.c:?) [ 9.315693][ T209] ? 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) [ 9.315695][ T209] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.315699][ T209] ? 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) [ 9.315702][ T209] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.315705][ T209] ? exit_notify (kernel/exit.c:780) [ 9.315707][ T209] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.315709][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.315713][ T209] do_group_exit (kernel/exit.c:1151) [ 9.315716][ T209] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.315717][ T209] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.315720][ T209] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.315724][ T209] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.315727][ T209] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.315729][ T209] RIP: 0033:0x7f4b107541b8 [ 9.315731][ T209] Code: Unable to access opcode bytes at 0x7f4b1075418e. Code starting with the faulting instruction =========================================== [ 9.315732][ T209] RSP: 002b:00007ffd4367ed38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.315734][ T209] RAX: ffffffffffffffda RBX: 00007f4b10884f88 RCX: 00007f4b107541b8 [ 9.315735][ T209] RDX: 00007f4b1049efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.315736][ T209] RBP: 00007ffd4367ed90 R08: 0000000000000000 R09: 0000000000000050 [ 9.315737][ T209] R10: 00007ffd4367eb50 R11: 0000000000000246 R12: 0000000000000001 [ 9.315738][ T209] R13: 0000000000000000 R14: 00007f4b10883680 R15: 00007f4b10884fa0 | [ 11.438772][ T270] softirqs last disabled at (16216): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 11.438774][ T270] Preemption disabled at: | [ 11.438775][ T270] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.438783][ T270] Tainted: [W]=WARN [ 11.438784][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.438786][ T270] Call Trace: [ 11.438787][ T270] [ 11.438789][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.438795][ T270] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.438797][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 11.438801][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.438805][ T270] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.438810][ T270] __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)) [ 11.438812][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.438822][ T270] ? 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) [ 11.438825][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.438828][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 11.438831][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.438833][ T270] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.438838][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.438846][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.438848][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.438851][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.438855][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.438858][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.438860][ T270] ? 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)) [ 11.438863][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.438865][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.438869][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.438873][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.438875][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.438880][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.438882][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.438884][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.438886][ T270] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.438889][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.438891][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.438894][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 11.438896][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.438898][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.438900][ T270] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.438904][ T270] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.438907][ T270] _printk (kernel/printk/printk.c:2504) [ 11.438911][ T270] ? snapshot_read.cold (user.c:?) [ 11.438914][ T270] ? br_multicast_flood (??:?) [ 11.438917][ T270] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.438919][ T270] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.438920][ T270] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.438924][ T270] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.438928][ T270] br_init_port (net/bridge/br_stp_if.c:39) [ 11.438930][ T270] new_nbp (net/bridge/br_if.c:449) [ 11.438933][ T270] br_add_if (net/bridge/br_if.c:592) [ 11.438936][ T270] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 11.438940][ T270] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.438945][ T270] do_set_master (net/core/rtnetlink.c:3071) [ 11.438947][ T270] ? netif_change_flags (net/core/dev.c:9882) [ 11.438950][ T270] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.438954][ T270] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.438957][ T270] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.438958][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.438961][ T270] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.438964][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.438966][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.438968][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.438970][ T270] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.438973][ T270] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.438974][ T270] ? kasan_save_track (mm/kasan/common.c:78) [ 11.438975][ T270] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.438977][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.438979][ T270] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.438982][ T270] ? ___sys_sendmsg (net/socket.c:2758) [ 11.438985][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.438987][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.438990][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.438991][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.438993][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.438994][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.438996][ T270] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.438998][ T270] ? __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) [ 11.438999][ T270] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.439001][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.439004][ T270] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.439006][ T270] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.439010][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.439012][ T270] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.439017][ T270] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.439023][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.439024][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.439029][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.439031][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.439033][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.439035][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.439038][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.439040][ T270] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.439043][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.439044][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.439049][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.439051][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.439054][ T270] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.439057][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.439060][ T270] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.439066][ T270] ? 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)) [ 11.439068][ T270] ? 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)) [ 11.439072][ T270] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.439076][ T270] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.439079][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.439083][ T270] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.439087][ T270] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.439091][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.439092][ T270] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.439098][ T270] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.439100][ T270] ____sys_sendmsg (net/socket.c:2713) [ 11.439102][ T270] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.439105][ T270] ? sock_write_iter (net/socket.c:1269) [ 11.439106][ T270] ? move_addr_to_kernel (net/socket.c:258) [ 11.439113][ T270] ___sys_sendmsg (net/socket.c:2767) [ 11.439116][ T270] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.439131][ T270] __sys_sendmsg (net/socket.c:2799) [ 11.439134][ T270] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.439140][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.439143][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.439146][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.439149][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.439151][ T270] RIP: 0033:0x7fa64e62254e [ 11.439155][ T270] 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 [ 11.439157][ T270] RSP: 002b:00007ffc420ddb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.439159][ T270] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa64e62254e [ 11.439161][ T270] RDX: 0000000000000000 RSI: 00007ffc420ddbc0 RDI: 0000000000000005 [ 11.439161][ T270] RBP: 00007ffc420ddb20 R08: 0000000000000000 R09: 0000000000000000 [ 11.439162][ T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919499 [ 11.439163][ T270] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc420de290 | [ 17.746402][ T314] softirqs last disabled at (21139): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.746405][ T314] Preemption disabled at: | [ 17.746406][ T314] vprintk_emit (kernel/printk/printk.c:2471) | [ 17.746417][ T314] Tainted: [W]=WARN [ 17.746419][ T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.746421][ T314] Call Trace: [ 17.746423][ T314] [ 17.746425][ T314] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.746433][ T314] ? vprintk_emit (kernel/printk/printk.c:2471) [ 17.746435][ T314] __might_resched.cold (kernel/sched/core.c:9234) [ 17.746441][ T314] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.746447][ T314] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.746454][ T314] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 17.746457][ T314] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.746466][ T314] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 17.746470][ T314] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.746476][ T314] put_chars (drivers/char/virtio_console.c:1176) [ 17.746478][ T314] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 17.746482][ T314] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.746487][ T314] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.746491][ T314] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.746499][ T314] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.746504][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.746506][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.746515][ T314] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.746517][ T314] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 17.746523][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.746526][ T314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.746533][ T314] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.746539][ T314] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.746542][ T314] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 17.746547][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.746550][ T314] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.746557][ T314] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.746564][ T314] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.746566][ T314] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.746575][ T314] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.746580][ T314] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.746582][ T314] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.746585][ T314] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 17.746592][ T314] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.746594][ T314] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.746599][ T314] vprintk_emit (kernel/printk/printk.c:2479) [ 17.746605][ T314] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.746613][ T314] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 17.746618][ T314] _printk (kernel/printk/printk.c:2504) [ 17.746623][ T314] ? snapshot_read.cold (user.c:?) [ 17.746634][ T314] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 17.746639][ T314] gact_init_module (net/sched/act_gact.c:180) act_gact [ 17.746642][ T314] do_one_initcall (init/main.c:1357) [ 17.746646][ T314] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 17.746654][ T314] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 17.746657][ T314] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 17.746666][ T314] do_init_module (kernel/module/main.c:3117) [ 17.746671][ T314] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.746676][ T314] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 17.746681][ T314] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 17.746687][ T314] load_module (kernel/module/main.c:3593) [ 17.746696][ T314] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 17.746702][ T314] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 17.746708][ T314] ? __ia32_sys_fsconfig (??:?) [ 17.746714][ T314] ? backing_file_read_iter (fs/backing-file.c:211) [ 17.746719][ T314] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.746725][ T314] init_module_from_file (kernel/module/main.c:3790) [ 17.746730][ T314] ? __do_sys_init_module (kernel/module/main.c:3664) [ 17.746743][ T314] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.746749][ T314] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 17.746754][ T314] idempotent_init_module (kernel/module/main.c:3802) [ 17.746758][ T314] ? init_module_from_file (kernel/module/main.c:3791) [ 17.746768][ T314] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 17.746772][ T314] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 17.746780][ T314] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 17.746782][ T314] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.746788][ T314] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.746792][ T314] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.746796][ T314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.746799][ T314] RIP: 0033:0x7feafb1de37d [ 17.746803][ T314] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 17.746806][ T314] RSP: 002b:00007ffcbf0f5f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 17.746809][ T314] RAX: ffffffffffffffda RBX: 0000555c1e949810 RCX: 00007feafb1de37d [ 17.746811][ T314] RDX: 0000000000000000 RSI: 0000555bdfff6ffd RDI: 0000000000000000 [ 17.746813][ T314] RBP: 00007ffcbf0f5fe0 R08: 0000000000000000 R09: 0000000000000000 [ 17.746814][ T314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555bdfff6ffd [ 17.746816][ T314] R13: 0000555c1e949960 R14: 0000000000040000 R15: 0000000000000000 | [ 23.597588][ T12] softirqs last disabled at (43772): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 23.597591][ T12] Preemption disabled at: | [ 23.597591][ T12] 0x0 | [ 23.597601][ T12] Tainted: [W]=WARN [ 23.597602][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.597604][ T12] Workqueue: netns cleanup_net [ 23.597607][ T12] Call Trace: [ 23.597609][ T12] [ 23.597611][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.597617][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 23.597622][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.597626][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.597631][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 23.597633][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.597639][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 23.597642][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.597646][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 23.597648][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.597655][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.597663][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.597666][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.597670][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.597674][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.597676][ T12] ? 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)) [ 23.597679][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.597682][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.597686][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.597691][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.597692][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.597698][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.597701][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.597703][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.597704][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 23.597708][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.597710][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.597713][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 23.597716][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.597717][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.597723][ T12] _printk (kernel/printk/printk.c:2504) [ 23.597726][ T12] ? snapshot_read.cold (user.c:?) [ 23.597734][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 23.597739][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 23.597742][ T12] br_device_event (net/bridge/br.c:111) [ 23.597744][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 23.597749][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 23.597754][ T12] notifier_call_chain (kernel/notifier.c:85) [ 23.597760][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 23.597763][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 23.597767][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 23.597770][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 23.597774][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 23.597776][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 23.597779][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.597780][ T12] ? kthread (kernel/kthread.c:436) [ 23.597782][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 23.597785][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 23.597788][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 23.597791][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.597797][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 23.597800][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 23.597803][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.597805][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 23.597810][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 23.597813][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 23.597816][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 23.597817][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.597820][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 23.597825][ T12] cleanup_net (net/core/net_namespace.c:706) [ 23.597829][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 23.597832][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.597834][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.597838][ T12] process_one_work (kernel/workqueue.c:3387) [ 23.597844][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.597847][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.597855][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.597871][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.597873][ T12] kthread (kernel/kthread.c:436) [ 23.597875][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.597878][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.597881][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.597884][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.597888][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.597891][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.597894][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 26.460161][ T559] softirqs last disabled at (23042): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 26.460163][ T559] Preemption disabled at: | [ 26.460164][ T559] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.460173][ T559] Tainted: [W]=WARN [ 26.460174][ T559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.460175][ T559] Call Trace: [ 26.460177][ T559] [ 26.460178][ T559] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.460184][ T559] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.460186][ T559] __might_resched.cold (kernel/sched/core.c:9234) [ 26.460190][ T559] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.460194][ T559] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.460199][ T559] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.460201][ T559] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.460207][ T559] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.460210][ T559] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.460213][ T559] put_chars (drivers/char/virtio_console.c:1176) [ 26.460216][ T559] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.460217][ T559] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.460221][ T559] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.460226][ T559] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.460233][ T559] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.460236][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.460237][ T559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.460241][ T559] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.460245][ T559] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.460247][ T559] ? 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)) [ 26.460250][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.460252][ T559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.460256][ T559] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.460260][ T559] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.460262][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.460267][ T559] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.460270][ T559] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.460271][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.460273][ T559] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 26.460277][ T559] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.460278][ T559] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.460281][ T559] vprintk_emit (kernel/printk/printk.c:2479) [ 26.460284][ T559] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.460286][ T559] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.460289][ T559] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.460292][ T559] _printk (kernel/printk/printk.c:2504) [ 26.460296][ T559] ? snapshot_read.cold (user.c:?) [ 26.460299][ T559] ? br_multicast_flood (??:?) [ 26.460302][ T559] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.460303][ T559] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.460305][ T559] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.460309][ T559] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 26.460313][ T559] br_init_port (net/bridge/br_stp_if.c:39) [ 26.460315][ T559] new_nbp (net/bridge/br_if.c:449) [ 26.460319][ T559] br_add_if (net/bridge/br_if.c:592) [ 26.460321][ T559] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 26.460325][ T559] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 26.460331][ T559] do_set_master (net/core/rtnetlink.c:3071) [ 26.460332][ T559] ? netif_change_flags (net/core/dev.c:9882) [ 26.460336][ T559] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 26.460339][ T559] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.460342][ T559] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.460344][ T559] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.460346][ T559] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.460350][ T559] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.460352][ T559] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.460353][ T559] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.460356][ T559] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.460358][ T559] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.460359][ T559] ? kasan_save_track (mm/kasan/common.c:78) [ 26.460360][ T559] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 26.460363][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.460364][ T559] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 26.460367][ T559] ? ___sys_sendmsg (net/socket.c:2758) [ 26.460371][ T559] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.460373][ T559] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.460375][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.460377][ T559] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.460378][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.460379][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.460381][ T559] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.460383][ T559] ? __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) [ 26.460386][ T559] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.460388][ T559] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.460391][ T559] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.460392][ T559] ? nla_get_range_signed (lib/nlattr.c:270) [ 26.460397][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.460400][ T559] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.460405][ T559] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.460410][ T559] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.460412][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.460416][ T559] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.460418][ T559] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.460420][ T559] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.460422][ T559] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.460426][ T559] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.460428][ T559] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.460431][ T559] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.460432][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.460436][ T559] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.460438][ T559] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.460442][ T559] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.460445][ T559] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.460448][ T559] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.460454][ T559] ? 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)) [ 26.460456][ T559] ? 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)) [ 26.460461][ T559] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.460464][ T559] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.460467][ T559] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.460471][ T559] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.460475][ T559] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.460479][ T559] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.460480][ T559] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.460485][ T559] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.460488][ T559] ____sys_sendmsg (net/socket.c:2713) [ 26.460490][ T559] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.460493][ T559] ? sock_write_iter (net/socket.c:1269) [ 26.460494][ T559] ? move_addr_to_kernel (net/socket.c:258) [ 26.460501][ T559] ___sys_sendmsg (net/socket.c:2767) [ 26.460504][ T559] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.460519][ T559] __sys_sendmsg (net/socket.c:2799) [ 26.460522][ T559] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.460528][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.460531][ T559] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.460534][ T559] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.460537][ T559] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.460540][ T559] RIP: 0033:0x7efd3eee454e [ 26.460544][ T559] 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 [ 26.460545][ T559] RSP: 002b:00007ffc50e4f510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.460548][ T559] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efd3eee454e [ 26.460549][ T559] RDX: 0000000000000000 RSI: 00007ffc50e4f5c0 RDI: 0000000000000005 [ 26.460550][ T559] RBP: 00007ffc50e4f520 R08: 0000000000000000 R09: 0000000000000000 [ 26.460551][ T559] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9194a8 [ 26.460552][ T559] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc50e4fc90 | [ 33.919851][ T12] softirqs last disabled at (266968): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 33.919853][ T12] Preemption disabled at: | [ 33.919853][ T12] 0x0 | [ 33.919863][ T12] Tainted: [W]=WARN [ 33.919864][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.919866][ T12] Workqueue: netns cleanup_net [ 33.919869][ T12] Call Trace: [ 33.919871][ T12] [ 33.919873][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.919880][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 33.919884][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.919888][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.919893][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 33.919895][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.919904][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 33.919907][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.919911][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 33.919913][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.919920][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.919928][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.919931][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.919936][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.919940][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.919942][ T12] ? 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)) [ 33.919945][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.919948][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.919952][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.919956][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.919958][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.919964][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.919967][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.919969][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.919970][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 33.919974][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.919976][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.919979][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 33.919982][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.919983][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 33.919986][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.919988][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.919992][ T12] _printk (kernel/printk/printk.c:2504) [ 33.919996][ T12] ? snapshot_read.cold (user.c:?) [ 33.920004][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 33.920009][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 33.920012][ T12] br_device_event (net/bridge/br.c:111) [ 33.920015][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 33.920019][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 33.920025][ T12] notifier_call_chain (kernel/notifier.c:85) [ 33.920031][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 33.920034][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 33.920037][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 33.920041][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 33.920045][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 33.920047][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 33.920049][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.920051][ T12] ? kthread (kernel/kthread.c:436) [ 33.920053][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 33.920056][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 33.920059][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 33.920062][ T12] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 33.920068][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 33.920071][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 33.920074][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.920076][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 33.920081][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 33.920084][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 33.920087][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 33.920089][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.920092][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 33.920097][ T12] cleanup_net (net/core/net_namespace.c:706) [ 33.920100][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 33.920104][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.920106][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.920109][ T12] process_one_work (kernel/workqueue.c:3387) [ 33.920116][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.920119][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.920127][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.920134][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.920136][ T12] kthread (kernel/kthread.c:436) [ 33.920138][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.920142][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.920144][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.920147][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.920151][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.920154][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.920157][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 36.797736][ T758] softirqs last disabled at (21416): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 36.797738][ T758] Preemption disabled at: | [ 36.797739][ T758] vprintk_emit (kernel/printk/printk.c:2471) | [ 36.797747][ T758] Tainted: [W]=WARN [ 36.797748][ T758] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.797750][ T758] Call Trace: [ 36.797751][ T758] [ 36.797753][ T758] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.797759][ T758] ? vprintk_emit (kernel/printk/printk.c:2471) [ 36.797760][ T758] __might_resched.cold (kernel/sched/core.c:9234) [ 36.797765][ T758] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.797769][ T758] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.797773][ T758] __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)) [ 36.797775][ T758] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.797781][ T758] ? 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) [ 36.797784][ T758] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.797788][ T758] put_chars (drivers/char/virtio_console.c:1176) [ 36.797791][ T758] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.797792][ T758] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.797796][ T758] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.797801][ T758] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.797809][ T758] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.797811][ T758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.797813][ T758] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.797817][ T758] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.797821][ T758] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.797823][ T758] ? 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)) [ 36.797826][ T758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.797828][ T758] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.797832][ T758] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.797836][ T758] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.797838][ T758] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.797843][ T758] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.797846][ T758] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.797848][ T758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.797850][ T758] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 36.797853][ T758] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.797855][ T758] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.797858][ T758] vprintk_emit (kernel/printk/printk.c:2479) [ 36.797861][ T758] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.797863][ T758] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.797866][ T758] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.797869][ T758] _printk (kernel/printk/printk.c:2504) [ 36.797873][ T758] ? snapshot_read.cold (user.c:?) [ 36.797876][ T758] ? br_multicast_flood (??:?) [ 36.797879][ T758] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 36.797881][ T758] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.797882][ T758] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.797886][ T758] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.797891][ T758] br_init_port (net/bridge/br_stp_if.c:39) [ 36.797893][ T758] new_nbp (net/bridge/br_if.c:449) [ 36.797897][ T758] br_add_if (net/bridge/br_if.c:592) [ 36.797899][ T758] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 36.797903][ T758] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.797908][ T758] do_set_master (net/core/rtnetlink.c:3071) [ 36.797910][ T758] ? netif_change_flags (net/core/dev.c:9882) [ 36.797917][ T758] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 36.797920][ T758] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 36.797924][ T758] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 36.797926][ T758] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 36.797928][ T758] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 36.797932][ T758] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.797934][ T758] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.797935][ T758] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.797938][ T758] ? kasan_save_stack (mm/kasan/common.c:58) [ 36.797940][ T758] ? kasan_save_stack (mm/kasan/common.c:57) [ 36.797941][ T758] ? kasan_save_track (mm/kasan/common.c:78) [ 36.797942][ T758] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 36.797945][ T758] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.797947][ T758] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 36.797949][ T758] ? ___sys_sendmsg (net/socket.c:2758) [ 36.797953][ T758] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.797955][ T758] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.797958][ T758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.797959][ T758] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.797961][ T758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.797962][ T758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.797964][ T758] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 36.797966][ T758] ? __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) [ 36.797969][ T758] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 36.797970][ T758] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.797974][ T758] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 36.797975][ T758] ? nla_get_range_signed (lib/nlattr.c:270) [ 36.797980][ T758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.797982][ T758] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 36.797987][ T758] rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.797992][ T758] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.797994][ T758] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.797998][ T758] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.798000][ T758] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.798002][ T758] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.798004][ T758] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.798008][ T758] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.798010][ T758] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.798013][ T758] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.798014][ T758] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.798018][ T758] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.798020][ T758] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.798024][ T758] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.798027][ T758] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.798030][ T758] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.798036][ T758] ? 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)) [ 36.798038][ T758] ? 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)) [ 36.798042][ T758] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.798046][ T758] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.798049][ T758] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.798053][ T758] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.798057][ T758] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.798061][ T758] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.798062][ T758] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 36.798067][ T758] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 36.798070][ T758] ____sys_sendmsg (net/socket.c:2713) [ 36.798072][ T758] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.798074][ T758] ? sock_write_iter (net/socket.c:1269) [ 36.798076][ T758] ? move_addr_to_kernel (net/socket.c:258) [ 36.798083][ T758] ___sys_sendmsg (net/socket.c:2767) [ 36.798086][ T758] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.798102][ T758] __sys_sendmsg (net/socket.c:2799) [ 36.798104][ T758] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.798110][ T758] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.798113][ T758] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.798116][ T758] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.798119][ T758] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.798121][ T758] RIP: 0033:0x7f792074a54e [ 36.798125][ T758] 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 [ 36.798127][ T758] RSP: 002b:00007ffd06c927f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.798129][ T758] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f792074a54e [ 36.798131][ T758] RDX: 0000000000000000 RSI: 00007ffd06c928a0 RDI: 0000000000000005 [ 36.798132][ T758] RBP: 00007ffd06c92800 R08: 0000000000000000 R09: 0000000000000000 [ 36.798132][ T758] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9194b3 [ 36.798133][ T758] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd06c92f70 | [ 52.165355][ C2] softirqs last disabled at (2033847): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 52.165357][ C2] Preemption disabled at: | [ 52.165358][ C2] 0x0 | [ 52.165369][ C2] Tainted: [W]=WARN [ 52.165370][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.165372][ C2] Call Trace: [ 52.165373][ C2] [ 52.165375][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.165381][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 52.165385][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.165388][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 52.165392][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.165394][ 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)) [ 52.165397][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.165400][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.165405][ 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) [ 52.165407][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.165409][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 52.165411][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.165412][ C2] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 52.165416][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.165420][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.165422][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.165424][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.165426][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.165429][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.165431][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.165432][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.165433][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.165435][ C2] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 52.165437][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.165439][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.165442][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.165444][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.165445][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.165447][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.165448][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.165449][ C2] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 52.165451][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.165454][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.165455][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 52.165457][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.165458][ C2] ? common_startup_64 (arch/x86/kernel/head_64.S:418) [ 52.165462][ C2] _printk (kernel/printk/printk.c:2504) [ 52.165465][ C2] ? snapshot_read.cold (user.c:?) [ 52.165467][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 52.165470][ C2] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.165472][ C2] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 52.165474][ C2] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 52.165476][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 52.165479][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 52.165481][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 52.165483][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 52.165485][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.165487][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.165490][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.165491][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.165493][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.165494][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 52.165496][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.165497][ C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.165498][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.165500][ C2] call_timer_fn (kernel/time/timer.c:1748) [ 52.165503][ C2] ? detach_if_pending (./include/linux/list.h:1159) [ 52.165505][ C2] ? debug_object_active_state (lib/debugobjects.c:1122) [ 52.165508][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.165510][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.165512][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.165513][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 52.165515][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.165517][ C2] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 52.165519][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.165522][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.165524][ C2] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 52.165526][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 52.165528][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.165531][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.165532][ C2] handle_softirqs (kernel/softirq.c:645) [ 52.165534][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.165536][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 52.165538][ C2] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 52.165539][ C2] irq_exit_rcu (kernel/softirq.c:784) [ 52.165541][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 52.165543][ C2] [ 52.165544][ C2] [ 52.165545][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 52.165546][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 52.165548][ C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 52.165551][ C2] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 52.165553][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 52.165556][ C2] RAX: 00000000001f08b5 RBX: ff11000001c1c740 RCX: ffffffffb0306247 [ 52.165557][ C2] RDX: ff11000001c1c740 RSI: ffffffffb3511011 RDI: ffffffffb2e949e0 [ 52.165558][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.165559][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 52.165559][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 52.165561][ C2] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.165564][ C2] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 52.165566][ C2] default_idle_call (kernel/sched/idle.c:122) [ 52.165568][ C2] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.165569][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 52.165571][ C2] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 52.165574][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.165575][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.165577][ C2] do_idle (kernel/sched/idle.c:355) [ 52.165578][ C2] cpu_startup_entry (kernel/sched/idle.c:454) [ 52.165580][ C2] start_secondary (arch/x86/kernel/smpboot.c:312) [ 52.165582][ C2] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 52.165584][ C2] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 52.222741][ C2] | [ 52.222807][ C2] | [ 52.222807][ C2] stack backtrace: | [ 52.223022][ C2] Tainted: [W]=WARN [ 52.223023][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.223024][ C2] Call Trace: [ 52.223025][ C2] [ 52.223026][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.223030][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 52.223033][ C2] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 52.223036][ C2] mark_lock (kernel/locking/lockdep.c:4769) [ 52.223038][ C2] mark_usage (kernel/locking/lockdep.c:4658) [ 52.223039][ C2] __lock_acquire (kernel/locking/lockdep.c:5208) [ 52.223042][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.223043][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.223045][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.223047][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.223049][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.223050][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 52.223052][ C2] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.223053][ C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 52.223054][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.223056][ C2] call_timer_fn (kernel/time/timer.c:1748) [ 52.223058][ C2] ? detach_if_pending (./include/linux/list.h:1159) [ 52.223060][ C2] ? debug_object_active_state (lib/debugobjects.c:1122) [ 52.223063][ C2] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.223064][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.223066][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.223068][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 52.223070][ C2] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 52.223071][ C2] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 52.223073][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.223076][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.223079][ C2] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 52.223081][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 52.223082][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.223085][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.223086][ C2] handle_softirqs (kernel/softirq.c:645) [ 52.223088][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.223090][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 52.223092][ C2] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 52.223093][ C2] irq_exit_rcu (kernel/softirq.c:784) [ 52.223095][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 52.223096][ C2] [ 52.223097][ C2] [ 52.223097][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 52.223099][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 52.223100][ C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 52.223102][ C2] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 52.223104][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 52.223105][ C2] RAX: 00000000001f08b5 RBX: ff11000001c1c740 RCX: ffffffffb0306247 [ 52.223107][ C2] RDX: ff11000001c1c740 RSI: ffffffffb3511011 RDI: ffffffffb2e949e0 [ 52.223108][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.223108][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 52.223109][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 52.223111][ C2] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.223113][ C2] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 52.223114][ C2] default_idle_call (kernel/sched/idle.c:122) [ 52.223116][ C2] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 52.223118][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 52.223119][ C2] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 52.223121][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.223122][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.223124][ C2] do_idle (kernel/sched/idle.c:355) [ 52.223126][ C2] cpu_startup_entry (kernel/sched/idle.c:454) [ 52.223127][ C2] start_secondary (arch/x86/kernel/smpboot.c:312) [ 52.223129][ C2] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 52.223131][ C2] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 56.466135][ T12] softirqs last disabled at (474648): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 56.466137][ T12] Preemption disabled at: | [ 56.466138][ T12] 0x0 | [ 56.466147][ T12] Tainted: [W]=WARN [ 56.466148][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.466150][ T12] Workqueue: netns cleanup_net [ 56.466155][ T12] Call Trace: [ 56.466157][ T12] [ 56.466158][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.466165][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 56.466168][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.466172][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.466175][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 56.466178][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.466181][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.466185][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 56.466187][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.466190][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 56.466191][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.466192][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 56.466195][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 56.466198][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.466202][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.466204][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.466205][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.466208][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.466210][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.466212][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.466213][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.466214][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.466215][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.466217][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 56.466219][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.466221][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.466224][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.466225][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.466227][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.466229][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.466230][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.466231][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 56.466232][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 56.466234][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.466236][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.466237][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 56.466239][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.466240][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.466241][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.466244][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 56.466246][ T12] _printk (kernel/printk/printk.c:2504) [ 56.466252][ T12] ? snapshot_read.cold (user.c:?) [ 56.466254][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 56.466257][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 56.466261][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 56.466263][ T12] br_device_event (net/bridge/br.c:111) [ 56.466265][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 56.466267][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 56.466269][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 56.466271][ T12] notifier_call_chain (kernel/notifier.c:85) [ 56.466275][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 56.466278][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 56.466280][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.466282][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 56.466284][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 56.466286][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 56.466287][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 56.466289][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 56.466292][ T12] ? kthread (kernel/kthread.c:436) [ 56.466294][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 56.466296][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 56.466298][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 56.466300][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.466301][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.466303][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 56.466304][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 56.466306][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.466307][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 56.466309][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.466310][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 56.466313][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 56.466315][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 56.466317][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 56.466320][ T12] cleanup_net (net/core/net_namespace.c:706) [ 56.466322][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 56.466324][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.466325][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.466326][ T12] process_one_work (kernel/workqueue.c:3387) [ 56.466329][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 56.466331][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.466333][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.466335][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 56.466338][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 56.466340][ T12] kthread (kernel/kthread.c:436) [ 56.466342][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 56.466343][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.466345][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 56.466346][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 56.466348][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 56.466351][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 56.466352][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 58.310509][ T1035] softirqs last disabled at (0): 0x0 | [ 58.310511][ T1035] Preemption disabled at: | [ 58.310511][ T1035] vprintk_emit (kernel/printk/printk.c:2471) | [ 58.310521][ T1035] Tainted: [W]=WARN [ 58.310522][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.310524][ T1035] Call Trace: [ 58.310525][ T1035] [ 58.310526][ T1035] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.310531][ T1035] ? vprintk_emit (kernel/printk/printk.c:2471) [ 58.310533][ T1035] __might_resched.cold (kernel/sched/core.c:9234) [ 58.310536][ T1035] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.310539][ T1035] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 58.310543][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310545][ T1035] __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)) [ 58.310548][ T1035] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.310551][ T1035] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.310555][ T1035] ? 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) [ 58.310557][ T1035] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.310559][ T1035] put_chars (drivers/char/virtio_console.c:1176) [ 58.310561][ T1035] ? __send_to_port (drivers/char/virtio_console.c:654) [ 58.310563][ T1035] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 58.310565][ T1035] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 58.310570][ T1035] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 58.310572][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310573][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.310575][ T1035] console_emit_next_record (kernel/printk/printk.c:3183) [ 58.310578][ T1035] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 58.310580][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310581][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310581][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310582][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.310584][ T1035] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 58.310586][ T1035] console_flush_one_record (kernel/printk/printk.c:3268) [ 58.310588][ T1035] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 58.310591][ T1035] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 58.310593][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.310594][ T1035] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 58.310596][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310597][ T1035] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.310598][ T1035] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 58.310600][ T1035] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 58.310601][ T1035] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 58.310603][ T1035] ? vprintk_emit (kernel/printk/printk.c:2478) [ 58.310604][ T1035] vprintk_emit (kernel/printk/printk.c:2479) [ 58.310606][ T1035] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 58.310607][ T1035] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.310609][ T1035] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.310611][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.310613][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310614][ T1035] _printk (kernel/printk/printk.c:2504) [ 58.310617][ T1035] ? snapshot_read.cold (user.c:?) [ 58.310619][ T1035] ? br_multicast_flood (??:?) [ 58.310622][ T1035] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 58.310625][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 58.310626][ T1035] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.310628][ T1035] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 58.310630][ T1035] br_init_port (net/bridge/br_stp_if.c:39) [ 58.310632][ T1035] new_nbp (net/bridge/br_if.c:449) [ 58.310634][ T1035] br_add_if (net/bridge/br_if.c:592) [ 58.310636][ T1035] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 58.310639][ T1035] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.310642][ T1035] do_set_master (net/core/rtnetlink.c:3071) [ 58.310643][ T1035] ? netif_change_flags (net/core/dev.c:9882) [ 58.310646][ T1035] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 58.310647][ T1035] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 58.310649][ T1035] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 58.310650][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310651][ T1035] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 58.310654][ T1035] ? kasan_save_stack (mm/kasan/common.c:58) [ 58.310655][ T1035] ? kasan_save_stack (mm/kasan/common.c:57) [ 58.310656][ T1035] ? kasan_save_track (mm/kasan/common.c:78) [ 58.310657][ T1035] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 58.310658][ T1035] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 58.310659][ T1035] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 58.310660][ T1035] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.310661][ T1035] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 58.310664][ T1035] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 58.310666][ T1035] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 58.310667][ T1035] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 58.310669][ T1035] ? ____sys_sendmsg (net/socket.c:2713) [ 58.310671][ T1035] ? ___sys_sendmsg (net/socket.c:2767) [ 58.310672][ T1035] ? __sys_sendmsg (net/socket.c:2799) [ 58.310674][ T1035] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 58.310677][ T1035] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.310679][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310680][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.310682][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310682][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310683][ T1035] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 58.310685][ T1035] ? __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) [ 58.310687][ T1035] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 58.310688][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 58.310689][ T1035] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 58.310690][ T1035] ? nla_get_range_signed (lib/nlattr.c:270) [ 58.310693][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310695][ T1035] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 58.310697][ T1035] rtnl_newlink (net/core/rtnetlink.c:4215) [ 58.310698][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310700][ T1035] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 58.310701][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.310702][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310704][ T1035] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 58.310706][ T1035] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 58.310707][ T1035] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.310709][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310710][ T1035] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 58.310713][ T1035] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 58.310715][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310716][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.310717][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310718][ T1035] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 58.310720][ T1035] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.310721][ T1035] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 58.310723][ T1035] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.310724][ T1035] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 58.310726][ T1035] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 58.310728][ T1035] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 58.310729][ T1035] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.310731][ T1035] ? netlink_ack (./include/linux/skbuff.h:2718) [ 58.310732][ T1035] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 58.310735][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310736][ T1035] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.310738][ T1035] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 58.310740][ T1035] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 58.310742][ T1035] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.310744][ T1035] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 58.310746][ T1035] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 58.310747][ T1035] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 58.310749][ T1035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.310750][ T1035] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 58.310753][ T1035] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 58.310755][ T1035] ____sys_sendmsg (net/socket.c:2713) [ 58.310756][ T1035] ? copy_msghdr_from_user (net/socket.c:2650) [ 58.310758][ T1035] ? sock_write_iter (net/socket.c:1269) [ 58.310759][ T1035] ? move_addr_to_kernel (net/socket.c:258) [ 58.310761][ T1035] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 58.310763][ T1035] ___sys_sendmsg (net/socket.c:2767) [ 58.310765][ T1035] ? copy_msghdr_from_user (net/socket.c:2619) [ 58.310770][ T1035] __sys_sendmsg (net/socket.c:2799) [ 58.310772][ T1035] ? __sys_sendmsg_sock (net/socket.c:2780) [ 58.310774][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.310776][ T1035] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 58.310778][ T1035] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 58.310779][ T1035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.310781][ T1035] RIP: 0033:0x7fb68003e54e [ 58.310783][ T1035] 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 [ 58.310785][ T1035] RSP: 002b:00007ffcaf1b76f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 58.310788][ T1035] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb68003e54e [ 58.310789][ T1035] RDX: 0000000000000000 RSI: 00007ffcaf1b77a0 RDI: 0000000000000005 [ 58.310790][ T1035] RBP: 00007ffcaf1b7700 R08: 0000000000000000 R09: 0000000000000000 [ 58.310791][ T1035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9194c8 [ 58.310792][ T1035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcaf1b7e70 | [ 65.361230][ T12] softirqs last disabled at (474648): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 65.361232][ T12] Preemption disabled at: | [ 65.361233][ T12] 0x0 | [ 65.361242][ T12] Tainted: [W]=WARN [ 65.361243][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.361245][ T12] Workqueue: netns cleanup_net [ 65.361254][ T12] Call Trace: [ 65.361256][ T12] [ 65.361257][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 65.361264][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 65.361267][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.361271][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.361274][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 65.361277][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.361280][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.361284][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 65.361286][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.361288][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 65.361290][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 65.361291][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 65.361294][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 65.361296][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 65.361300][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 65.361302][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.361304][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.361306][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 65.361309][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 65.361311][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.361312][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.361313][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.361313][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.361315][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 65.361317][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 65.361319][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 65.361322][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 65.361324][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.361325][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 65.361327][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.361328][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 65.361329][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 65.361331][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 65.361332][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 65.361334][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 65.361335][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 65.361337][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 65.361338][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.361339][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.361343][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 65.361344][ T12] _printk (kernel/printk/printk.c:2504) [ 65.361347][ T12] ? snapshot_read.cold (user.c:?) [ 65.361349][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 65.361352][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 65.361356][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 65.361358][ T12] br_device_event (net/bridge/br.c:111) [ 65.361360][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 65.361362][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 65.361364][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 65.361366][ T12] notifier_call_chain (kernel/notifier.c:85) [ 65.361369][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 65.361372][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 65.361374][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.361375][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 65.361377][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 65.361379][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 65.361381][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 65.361383][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 65.361385][ T12] ? kthread (kernel/kthread.c:436) [ 65.361387][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 65.361390][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 65.361392][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 65.361393][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.361394][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.361396][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 65.361398][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 65.361399][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.361401][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 65.361402][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.361404][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 65.361407][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 65.361409][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 65.361410][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 65.361413][ T12] cleanup_net (net/core/net_namespace.c:706) [ 65.361415][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 65.361417][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.361418][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.361420][ T12] process_one_work (kernel/workqueue.c:3387) [ 65.361423][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 65.361425][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 65.361427][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 65.361429][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 65.361432][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 65.361433][ T12] kthread (kernel/kthread.c:436) [ 65.361435][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 65.361436][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.361438][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 65.361440][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 65.361442][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 65.361444][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 65.361446][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 67.452523][ T1248] softirqs last disabled at (0): 0x0 | [ 67.452525][ T1248] Preemption disabled at: | [ 67.452525][ T1248] vprintk_emit (kernel/printk/printk.c:2471) | [ 67.452535][ T1248] Tainted: [W]=WARN [ 67.452536][ T1248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 67.452537][ T1248] Call Trace: [ 67.452539][ T1248] [ 67.452540][ T1248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 67.452545][ T1248] ? vprintk_emit (kernel/printk/printk.c:2471) [ 67.452547][ T1248] __might_resched.cold (kernel/sched/core.c:9234) [ 67.452550][ T1248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 67.452553][ T1248] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 67.452557][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452559][ T1248] __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)) [ 67.452562][ T1248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 67.452565][ T1248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.452570][ T1248] ? 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) [ 67.452571][ T1248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.452574][ T1248] put_chars (drivers/char/virtio_console.c:1176) [ 67.452575][ T1248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 67.452577][ T1248] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 67.452579][ T1248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 67.452584][ T1248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 67.452585][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452587][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.452589][ T1248] console_emit_next_record (kernel/printk/printk.c:3183) [ 67.452592][ T1248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 67.452593][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452594][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452595][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452596][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.452598][ T1248] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 67.452600][ T1248] console_flush_one_record (kernel/printk/printk.c:3268) [ 67.452602][ T1248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 67.452605][ T1248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 67.452606][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.452608][ T1248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 67.452609][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452610][ T1248] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.452612][ T1248] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 67.452613][ T1248] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 67.452615][ T1248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 67.452617][ T1248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 67.452618][ T1248] vprintk_emit (kernel/printk/printk.c:2479) [ 67.452620][ T1248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 67.452621][ T1248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 67.452622][ T1248] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 67.452625][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.452627][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452628][ T1248] _printk (kernel/printk/printk.c:2504) [ 67.452631][ T1248] ? snapshot_read.cold (user.c:?) [ 67.452633][ T1248] ? br_multicast_flood (??:?) [ 67.452636][ T1248] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 67.452639][ T1248] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 67.452640][ T1248] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.452642][ T1248] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 67.452644][ T1248] br_init_port (net/bridge/br_stp_if.c:39) [ 67.452646][ T1248] new_nbp (net/bridge/br_if.c:449) [ 67.452648][ T1248] br_add_if (net/bridge/br_if.c:592) [ 67.452649][ T1248] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 67.452653][ T1248] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 67.452656][ T1248] do_set_master (net/core/rtnetlink.c:3071) [ 67.452657][ T1248] ? netif_change_flags (net/core/dev.c:9882) [ 67.452659][ T1248] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 67.452661][ T1248] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 67.452663][ T1248] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 67.452664][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452665][ T1248] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 67.452668][ T1248] ? kasan_save_stack (mm/kasan/common.c:58) [ 67.452670][ T1248] ? kasan_save_stack (mm/kasan/common.c:57) [ 67.452671][ T1248] ? kasan_save_track (mm/kasan/common.c:78) [ 67.452672][ T1248] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 67.452673][ T1248] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 67.452674][ T1248] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 67.452675][ T1248] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.452676][ T1248] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 67.452679][ T1248] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 67.452681][ T1248] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 67.452682][ T1248] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 67.452684][ T1248] ? ____sys_sendmsg (net/socket.c:2713) [ 67.452685][ T1248] ? ___sys_sendmsg (net/socket.c:2767) [ 67.452687][ T1248] ? __sys_sendmsg (net/socket.c:2799) [ 67.452688][ T1248] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 67.452692][ T1248] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.452694][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452696][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.452697][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452698][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452699][ T1248] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 67.452700][ T1248] ? __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) [ 67.452702][ T1248] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 67.452703][ T1248] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 67.452705][ T1248] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 67.452706][ T1248] ? nla_get_range_signed (lib/nlattr.c:270) [ 67.452709][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452710][ T1248] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 67.452712][ T1248] rtnl_newlink (net/core/rtnetlink.c:4215) [ 67.452714][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452715][ T1248] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.452716][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.452717][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452719][ T1248] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 67.452721][ T1248] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 67.452723][ T1248] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 67.452724][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452725][ T1248] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 67.452728][ T1248] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 67.452730][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452731][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.452733][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452734][ T1248] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.452735][ T1248] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.452737][ T1248] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.452738][ T1248] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 67.452740][ T1248] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 67.452742][ T1248] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 67.452743][ T1248] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.452745][ T1248] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.452746][ T1248] ? netlink_ack (./include/linux/skbuff.h:2718) [ 67.452748][ T1248] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 67.452751][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452752][ T1248] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 67.452754][ T1248] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 67.452756][ T1248] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 67.452757][ T1248] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.452759][ T1248] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 67.452761][ T1248] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 67.452763][ T1248] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 67.452764][ T1248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.452766][ T1248] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 67.452769][ T1248] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 67.452771][ T1248] ____sys_sendmsg (net/socket.c:2713) [ 67.452772][ T1248] ? copy_msghdr_from_user (net/socket.c:2650) [ 67.452774][ T1248] ? sock_write_iter (net/socket.c:1269) [ 67.452775][ T1248] ? move_addr_to_kernel (net/socket.c:258) [ 67.452776][ T1248] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 67.452779][ T1248] ___sys_sendmsg (net/socket.c:2767) [ 67.452781][ T1248] ? copy_msghdr_from_user (net/socket.c:2619) [ 67.452785][ T1248] __sys_sendmsg (net/socket.c:2799) [ 67.452787][ T1248] ? __sys_sendmsg_sock (net/socket.c:2780) [ 67.452790][ T1248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.452791][ T1248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 67.452793][ T1248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 67.452795][ T1248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.452796][ T1248] RIP: 0033:0x7f42ff72e54e [ 67.452798][ T1248] 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 [ 67.452800][ T1248] RSP: 002b:00007ffe0b423c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 67.452803][ T1248] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f42ff72e54e [ 67.452805][ T1248] RDX: 0000000000000000 RSI: 00007ffe0b423cd0 RDI: 0000000000000005 [ 67.452805][ T1248] RBP: 00007ffe0b423c30 R08: 0000000000000000 R09: 0000000000000000 [ 67.452806][ T1248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9194d1 [ 67.452807][ T1248] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0b4243a0 | [ 75.821824][ T12] softirqs last disabled at (474648): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 75.821826][ T12] Preemption disabled at: | [ 75.821827][ T12] 0x0 | [ 75.821836][ T12] Tainted: [W]=WARN [ 75.821837][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 75.821838][ T12] Workqueue: netns cleanup_net [ 75.821844][ T12] Call Trace: [ 75.821845][ T12] [ 75.821847][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 75.821853][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 75.821856][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.821860][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.821863][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 75.821865][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.821869][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.821873][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 75.821874][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.821877][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 75.821878][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 75.821879][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 75.821882][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 75.821885][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 75.821889][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 75.821891][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.821892][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.821895][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 75.821898][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 75.821900][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.821901][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.821903][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 75.821905][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 75.821907][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 75.821909][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 75.821911][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.821913][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 75.821914][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.821915][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 75.821916][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 75.821918][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 75.821919][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 75.821921][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 75.821922][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 75.821924][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 75.821925][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.821926][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.821930][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 75.821931][ T12] _printk (kernel/printk/printk.c:2504) [ 75.821934][ T12] ? snapshot_read.cold (user.c:?) [ 75.821936][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 75.821939][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 75.821942][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 75.821944][ T12] br_device_event (net/bridge/br.c:111) [ 75.821946][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 75.821948][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 75.821950][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 75.821952][ T12] notifier_call_chain (kernel/notifier.c:85) [ 75.821956][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 75.821958][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 75.821960][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.821962][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 75.821963][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 75.821965][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 75.821967][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 75.821969][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 75.821971][ T12] ? kthread (kernel/kthread.c:436) [ 75.821973][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 75.821976][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 75.821978][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 75.821980][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.821981][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.821983][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 75.821984][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 75.821985][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.821987][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 75.821988][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.821990][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 75.821993][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 75.821995][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 75.821997][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 75.822000][ T12] cleanup_net (net/core/net_namespace.c:706) [ 75.822001][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 75.822003][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.822005][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.822006][ T12] process_one_work (kernel/workqueue.c:3387) [ 75.822009][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 75.822011][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 75.822013][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.822015][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 75.822018][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 75.822019][ T12] kthread (kernel/kthread.c:436) [ 75.822021][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.822022][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 75.822024][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 75.822026][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 75.822027][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 75.822030][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 75.822032][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 77.603025][ T1517] softirqs last disabled at (0): 0x0 | [ 77.603027][ T1517] Preemption disabled at: | [ 77.603028][ T1517] vprintk_emit (kernel/printk/printk.c:2471) | [ 77.603037][ T1517] Tainted: [W]=WARN [ 77.603038][ T1517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.603040][ T1517] Call Trace: [ 77.603041][ T1517] [ 77.603042][ T1517] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 77.603048][ T1517] ? vprintk_emit (kernel/printk/printk.c:2471) [ 77.603049][ T1517] __might_resched.cold (kernel/sched/core.c:9234) [ 77.603053][ T1517] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 77.603056][ T1517] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 77.603059][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603062][ T1517] __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)) [ 77.603064][ T1517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.603067][ T1517] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.603075][ T1517] ? 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) [ 77.603077][ T1517] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.603080][ T1517] put_chars (drivers/char/virtio_console.c:1176) [ 77.603081][ T1517] ? __send_to_port (drivers/char/virtio_console.c:654) [ 77.603083][ T1517] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 77.603086][ T1517] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 77.603090][ T1517] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 77.603092][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603093][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.603095][ T1517] console_emit_next_record (kernel/printk/printk.c:3183) [ 77.603098][ T1517] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 77.603100][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603101][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603102][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603103][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.603105][ T1517] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 77.603106][ T1517] console_flush_one_record (kernel/printk/printk.c:3268) [ 77.603109][ T1517] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 77.603111][ T1517] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 77.603113][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.603115][ T1517] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 77.603116][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603117][ T1517] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.603118][ T1517] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 77.603120][ T1517] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 77.603121][ T1517] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 77.603123][ T1517] ? vprintk_emit (kernel/printk/printk.c:2478) [ 77.603125][ T1517] vprintk_emit (kernel/printk/printk.c:2479) [ 77.603126][ T1517] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 77.603127][ T1517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.603129][ T1517] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.603132][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.603133][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603134][ T1517] _printk (kernel/printk/printk.c:2504) [ 77.603138][ T1517] ? snapshot_read.cold (user.c:?) [ 77.603139][ T1517] ? br_multicast_flood (??:?) [ 77.603143][ T1517] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 77.603146][ T1517] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.603147][ T1517] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.603149][ T1517] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 77.603151][ T1517] br_init_port (net/bridge/br_stp_if.c:39) [ 77.603153][ T1517] new_nbp (net/bridge/br_if.c:449) [ 77.603155][ T1517] br_add_if (net/bridge/br_if.c:592) [ 77.603157][ T1517] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 77.603160][ T1517] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 77.603163][ T1517] do_set_master (net/core/rtnetlink.c:3071) [ 77.603165][ T1517] ? netif_change_flags (net/core/dev.c:9882) [ 77.603167][ T1517] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 77.603169][ T1517] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 77.603170][ T1517] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 77.603171][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603172][ T1517] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 77.603176][ T1517] ? kasan_save_stack (mm/kasan/common.c:58) [ 77.603178][ T1517] ? kasan_save_stack (mm/kasan/common.c:57) [ 77.603179][ T1517] ? kasan_save_track (mm/kasan/common.c:78) [ 77.603180][ T1517] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 77.603181][ T1517] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 77.603182][ T1517] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 77.603183][ T1517] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.603184][ T1517] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 77.603187][ T1517] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 77.603188][ T1517] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 77.603190][ T1517] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 77.603192][ T1517] ? ____sys_sendmsg (net/socket.c:2713) [ 77.603193][ T1517] ? ___sys_sendmsg (net/socket.c:2767) [ 77.603194][ T1517] ? __sys_sendmsg (net/socket.c:2799) [ 77.603196][ T1517] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 77.603199][ T1517] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.603202][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603203][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.603204][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603205][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603206][ T1517] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 77.603208][ T1517] ? __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) [ 77.603209][ T1517] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 77.603210][ T1517] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 77.603212][ T1517] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 77.603213][ T1517] ? nla_get_range_signed (lib/nlattr.c:270) [ 77.603216][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603217][ T1517] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 77.603219][ T1517] rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.603221][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603222][ T1517] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.603223][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.603225][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603226][ T1517] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 77.603228][ T1517] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 77.603230][ T1517] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 77.603231][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603232][ T1517] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 77.603235][ T1517] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 77.603237][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603238][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.603240][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603241][ T1517] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.603242][ T1517] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.603243][ T1517] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.603245][ T1517] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.603246][ T1517] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 77.603252][ T1517] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 77.603253][ T1517] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.603255][ T1517] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.603256][ T1517] ? netlink_ack (./include/linux/skbuff.h:2718) [ 77.603258][ T1517] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 77.603261][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603262][ T1517] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.603264][ T1517] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 77.603266][ T1517] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 77.603267][ T1517] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.603269][ T1517] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 77.603271][ T1517] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 77.603273][ T1517] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 77.603274][ T1517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.603276][ T1517] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 77.603279][ T1517] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 77.603281][ T1517] ____sys_sendmsg (net/socket.c:2713) [ 77.603282][ T1517] ? copy_msghdr_from_user (net/socket.c:2650) [ 77.603284][ T1517] ? sock_write_iter (net/socket.c:1269) [ 77.603285][ T1517] ? move_addr_to_kernel (net/socket.c:258) [ 77.603287][ T1517] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.603289][ T1517] ___sys_sendmsg (net/socket.c:2767) [ 77.603291][ T1517] ? copy_msghdr_from_user (net/socket.c:2619) [ 77.603296][ T1517] __sys_sendmsg (net/socket.c:2799) [ 77.603298][ T1517] ? __sys_sendmsg_sock (net/socket.c:2780) [ 77.603300][ T1517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.603302][ T1517] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 77.603303][ T1517] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 77.603305][ T1517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.603306][ T1517] RIP: 0033:0x7f76e74f754e [ 77.603308][ T1517] 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 [ 77.603310][ T1517] RSP: 002b:00007ffd7159e2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 77.603313][ T1517] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f76e74f754e [ 77.603315][ T1517] RDX: 0000000000000000 RSI: 00007ffd7159e380 RDI: 0000000000000005 [ 77.603316][ T1517] RBP: 00007ffd7159e2e0 R08: 0000000000000000 R09: 0000000000000000 [ 77.603317][ T1517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9194db [ 77.603317][ T1517] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7159ea50 | [ 85.691187][ T12] softirqs last disabled at (474648): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 85.691189][ T12] Preemption disabled at: | [ 85.691190][ T12] 0x0 | [ 85.691199][ T12] Tainted: [W]=WARN [ 85.691200][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.691202][ T12] Workqueue: netns cleanup_net [ 85.691208][ T12] Call Trace: [ 85.691210][ T12] [ 85.691211][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 85.691217][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 85.691221][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.691226][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.691228][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 85.691231][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.691235][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.691239][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 85.691241][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.691244][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 85.691245][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 85.691246][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 85.691251][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 85.691254][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 85.691258][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 85.691260][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.691262][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.691264][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 85.691267][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 85.691269][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.691270][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.691271][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.691272][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.691274][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 85.691276][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 85.691278][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 85.691281][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 85.691283][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.691285][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 85.691286][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.691287][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 85.691289][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 85.691290][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 85.691292][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 85.691294][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 85.691296][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 85.691297][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 85.691299][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.691300][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.691303][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 85.691305][ T12] _printk (kernel/printk/printk.c:2504) [ 85.691308][ T12] ? snapshot_read.cold (user.c:?) [ 85.691310][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 85.691313][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 85.691317][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 85.691319][ T12] br_device_event (net/bridge/br.c:111) [ 85.691321][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 85.691323][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 85.691325][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 85.691328][ T12] notifier_call_chain (kernel/notifier.c:85) [ 85.691331][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 85.691334][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 85.691336][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.691337][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 85.691339][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 85.691342][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 85.691343][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 85.691345][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 85.691348][ T12] ? kthread (kernel/kthread.c:436) [ 85.691350][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 85.691353][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 85.691355][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 85.691356][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.691358][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.691360][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 85.691361][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 85.691363][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.691364][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 85.691366][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.691368][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 85.691370][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 85.691373][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 85.691374][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 85.691378][ T12] cleanup_net (net/core/net_namespace.c:706) [ 85.691380][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 85.691382][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.691383][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.691385][ T12] process_one_work (kernel/workqueue.c:3387) [ 85.691388][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 85.691390][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 85.691392][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.691394][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 85.691397][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 85.691399][ T12] kthread (kernel/kthread.c:436) [ 85.691401][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.691402][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.691404][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 85.691406][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 85.691408][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 85.691411][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.691412][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 87.476794][ T1786] softirqs last disabled at (0): 0x0 | [ 87.476796][ T1786] Preemption disabled at: | [ 87.476797][ T1786] vprintk_emit (kernel/printk/printk.c:2471) | [ 87.476806][ T1786] Tainted: [W]=WARN [ 87.476807][ T1786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 87.476809][ T1786] Call Trace: [ 87.476810][ T1786] [ 87.476811][ T1786] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 87.476817][ T1786] ? vprintk_emit (kernel/printk/printk.c:2471) [ 87.476819][ T1786] __might_resched.cold (kernel/sched/core.c:9234) [ 87.476822][ T1786] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 87.476825][ T1786] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 87.476829][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476831][ T1786] __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)) [ 87.476834][ T1786] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.476837][ T1786] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.476842][ T1786] ? 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) [ 87.476843][ T1786] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.476846][ T1786] put_chars (drivers/char/virtio_console.c:1176) [ 87.476847][ T1786] ? __send_to_port (drivers/char/virtio_console.c:654) [ 87.476849][ T1786] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 87.476852][ T1786] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 87.476856][ T1786] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 87.476858][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476859][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.476862][ T1786] console_emit_next_record (kernel/printk/printk.c:3183) [ 87.476864][ T1786] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 87.476867][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476868][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476869][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476870][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.476872][ T1786] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 87.476873][ T1786] console_flush_one_record (kernel/printk/printk.c:3268) [ 87.476876][ T1786] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 87.476878][ T1786] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 87.476880][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.476882][ T1786] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 87.476883][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476884][ T1786] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.476886][ T1786] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 87.476887][ T1786] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 87.476889][ T1786] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 87.476891][ T1786] ? vprintk_emit (kernel/printk/printk.c:2478) [ 87.476892][ T1786] vprintk_emit (kernel/printk/printk.c:2479) [ 87.476894][ T1786] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 87.476895][ T1786] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.476897][ T1786] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.476899][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.476901][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476902][ T1786] _printk (kernel/printk/printk.c:2504) [ 87.476905][ T1786] ? snapshot_read.cold (user.c:?) [ 87.476907][ T1786] ? br_multicast_flood (??:?) [ 87.476911][ T1786] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 87.476914][ T1786] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 87.476915][ T1786] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 87.476917][ T1786] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 87.476919][ T1786] br_init_port (net/bridge/br_stp_if.c:39) [ 87.476921][ T1786] new_nbp (net/bridge/br_if.c:449) [ 87.476923][ T1786] br_add_if (net/bridge/br_if.c:592) [ 87.476925][ T1786] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 87.476928][ T1786] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 87.476932][ T1786] do_set_master (net/core/rtnetlink.c:3071) [ 87.476933][ T1786] ? netif_change_flags (net/core/dev.c:9882) [ 87.476935][ T1786] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 87.476937][ T1786] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 87.476939][ T1786] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 87.476940][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476941][ T1786] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 87.476944][ T1786] ? kasan_save_stack (mm/kasan/common.c:58) [ 87.476946][ T1786] ? kasan_save_stack (mm/kasan/common.c:57) [ 87.476947][ T1786] ? kasan_save_track (mm/kasan/common.c:78) [ 87.476948][ T1786] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 87.476949][ T1786] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 87.476950][ T1786] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 87.476951][ T1786] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 87.476952][ T1786] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 87.476955][ T1786] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 87.476957][ T1786] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 87.476958][ T1786] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 87.476961][ T1786] ? ____sys_sendmsg (net/socket.c:2713) [ 87.476962][ T1786] ? ___sys_sendmsg (net/socket.c:2767) [ 87.476963][ T1786] ? __sys_sendmsg (net/socket.c:2799) [ 87.476965][ T1786] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 87.476968][ T1786] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 87.476971][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476972][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.476973][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476974][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476975][ T1786] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 87.476977][ T1786] ? __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) [ 87.476978][ T1786] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 87.476980][ T1786] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 87.476981][ T1786] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 87.476982][ T1786] ? nla_get_range_signed (lib/nlattr.c:270) [ 87.476986][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476987][ T1786] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 87.476989][ T1786] rtnl_newlink (net/core/rtnetlink.c:4215) [ 87.476991][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476992][ T1786] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 87.476993][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.476995][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.476996][ T1786] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 87.476998][ T1786] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 87.477000][ T1786] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 87.477001][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.477002][ T1786] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 87.477005][ T1786] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 87.477008][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.477009][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.477010][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.477011][ T1786] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 87.477013][ T1786] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 87.477014][ T1786] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 87.477015][ T1786] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.477017][ T1786] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 87.477019][ T1786] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 87.477021][ T1786] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 87.477022][ T1786] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.477024][ T1786] ? netlink_ack (./include/linux/skbuff.h:2718) [ 87.477025][ T1786] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 87.477028][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.477029][ T1786] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.477031][ T1786] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 87.477034][ T1786] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 87.477035][ T1786] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 87.477037][ T1786] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 87.477039][ T1786] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 87.477041][ T1786] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 87.477042][ T1786] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.477044][ T1786] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 87.477047][ T1786] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 87.477049][ T1786] ____sys_sendmsg (net/socket.c:2713) [ 87.477050][ T1786] ? copy_msghdr_from_user (net/socket.c:2650) [ 87.477052][ T1786] ? sock_write_iter (net/socket.c:1269) [ 87.477053][ T1786] ? move_addr_to_kernel (net/socket.c:258) [ 87.477055][ T1786] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.477058][ T1786] ___sys_sendmsg (net/socket.c:2767) [ 87.477059][ T1786] ? copy_msghdr_from_user (net/socket.c:2619) [ 87.477064][ T1786] __sys_sendmsg (net/socket.c:2799) [ 87.477066][ T1786] ? __sys_sendmsg_sock (net/socket.c:2780) [ 87.477069][ T1786] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.477070][ T1786] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 87.477072][ T1786] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 87.477074][ T1786] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 87.477075][ T1786] RIP: 0033:0x7f2f2b8a154e [ 87.477077][ T1786] 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 [ 87.477079][ T1786] RSP: 002b:00007ffca7916b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 87.477082][ T1786] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2f2b8a154e [ 87.477084][ T1786] RDX: 0000000000000000 RSI: 00007ffca7916bc0 RDI: 0000000000000005 [ 87.477085][ T1786] RBP: 00007ffca7916b20 R08: 0000000000000000 R09: 0000000000000000 [ 87.477086][ T1786] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9194e5 [ 87.477086][ T1786] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca7917290 | [ 94.229279][ T12] softirqs last disabled at (474648): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 94.229281][ T12] Preemption disabled at: | [ 94.229282][ T12] 0x0 | [ 94.229292][ T12] Tainted: [W]=WARN [ 94.229293][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 94.229295][ T12] Workqueue: netns cleanup_net [ 94.229300][ T12] Call Trace: [ 94.229302][ T12] [ 94.229303][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 94.229308][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 94.229312][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 94.229316][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.229318][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 94.229321][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.229324][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.229328][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 94.229330][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.229332][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 94.229334][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 94.229335][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 94.229338][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 94.229340][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 94.229345][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 94.229346][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.229348][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.229351][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 94.229353][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 94.229355][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.229356][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.229357][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.229358][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.229360][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 94.229361][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 94.229364][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 94.229366][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 94.229368][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.229369][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 94.229371][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.229372][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.229373][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 94.229375][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 94.229376][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 94.229378][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 94.229379][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 94.229381][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 94.229382][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.229383][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 94.229386][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 94.229388][ T12] _printk (kernel/printk/printk.c:2504) [ 94.229391][ T12] ? snapshot_read.cold (user.c:?) [ 94.229393][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 94.229396][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 94.229400][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 94.229402][ T12] br_device_event (net/bridge/br.c:111) [ 94.229404][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 94.229406][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 94.229407][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 94.229410][ T12] notifier_call_chain (kernel/notifier.c:85) [ 94.229413][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 94.229415][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 94.229417][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.229419][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 94.229421][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 94.229423][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 94.229425][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 94.229426][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 94.229429][ T12] ? kthread (kernel/kthread.c:436) [ 94.229431][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 94.229433][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 94.229435][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 94.229437][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.229438][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 94.229440][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 94.229441][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 94.229443][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.229444][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 94.229446][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 94.229448][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 94.229450][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 94.229452][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 94.229454][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 94.229457][ T12] cleanup_net (net/core/net_namespace.c:706) [ 94.229459][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 94.229461][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.229462][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.229463][ T12] process_one_work (kernel/workqueue.c:3387) [ 94.229466][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 94.229468][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 94.229470][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.229472][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 94.229475][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 94.229477][ T12] kthread (kernel/kthread.c:436) [ 94.229478][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 94.229480][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 94.229484][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 94.229485][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 94.229487][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 94.229490][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 94.229492][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 96.046381][ T1978] softirqs last disabled at (0): 0x0 | [ 96.046383][ T1978] Preemption disabled at: | [ 96.046384][ T1978] vprintk_emit (kernel/printk/printk.c:2471) | [ 96.046393][ T1978] Tainted: [W]=WARN [ 96.046395][ T1978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 96.046396][ T1978] Call Trace: [ 96.046398][ T1978] [ 96.046399][ T1978] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 96.046404][ T1978] ? vprintk_emit (kernel/printk/printk.c:2471) [ 96.046405][ T1978] __might_resched.cold (kernel/sched/core.c:9234) [ 96.046409][ T1978] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 96.046412][ T1978] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 96.046416][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046418][ T1978] __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)) [ 96.046421][ T1978] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.046424][ T1978] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.046429][ T1978] ? 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) [ 96.046431][ T1978] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.046433][ T1978] put_chars (drivers/char/virtio_console.c:1176) [ 96.046435][ T1978] ? __send_to_port (drivers/char/virtio_console.c:654) [ 96.046436][ T1978] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 96.046439][ T1978] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 96.046443][ T1978] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 96.046445][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046446][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.046449][ T1978] console_emit_next_record (kernel/printk/printk.c:3183) [ 96.046451][ T1978] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 96.046453][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046454][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046455][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046456][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.046458][ T1978] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 96.046460][ T1978] console_flush_one_record (kernel/printk/printk.c:3268) [ 96.046462][ T1978] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 96.046464][ T1978] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 96.046466][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.046468][ T1978] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 96.046469][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046470][ T1978] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.046472][ T1978] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 96.046473][ T1978] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 96.046475][ T1978] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 96.046477][ T1978] ? vprintk_emit (kernel/printk/printk.c:2478) [ 96.046478][ T1978] vprintk_emit (kernel/printk/printk.c:2479) [ 96.046479][ T1978] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 96.046481][ T1978] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.046482][ T1978] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 96.046485][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.046486][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046488][ T1978] _printk (kernel/printk/printk.c:2504) [ 96.046491][ T1978] ? snapshot_read.cold (user.c:?) [ 96.046493][ T1978] ? br_multicast_flood (??:?) [ 96.046496][ T1978] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 96.046499][ T1978] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 96.046500][ T1978] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 96.046502][ T1978] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 96.046504][ T1978] br_init_port (net/bridge/br_stp_if.c:39) [ 96.046506][ T1978] new_nbp (net/bridge/br_if.c:449) [ 96.046508][ T1978] br_add_if (net/bridge/br_if.c:592) [ 96.046510][ T1978] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 96.046513][ T1978] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 96.046516][ T1978] do_set_master (net/core/rtnetlink.c:3071) [ 96.046518][ T1978] ? netif_change_flags (net/core/dev.c:9882) [ 96.046520][ T1978] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 96.046522][ T1978] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 96.046523][ T1978] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 96.046524][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046526][ T1978] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 96.046529][ T1978] ? kasan_save_stack (mm/kasan/common.c:58) [ 96.046531][ T1978] ? kasan_save_stack (mm/kasan/common.c:57) [ 96.046532][ T1978] ? kasan_save_track (mm/kasan/common.c:78) [ 96.046533][ T1978] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 96.046534][ T1978] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 96.046535][ T1978] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 96.046536][ T1978] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 96.046537][ T1978] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 96.046540][ T1978] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 96.046541][ T1978] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 96.046542][ T1978] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 96.046545][ T1978] ? ____sys_sendmsg (net/socket.c:2713) [ 96.046546][ T1978] ? ___sys_sendmsg (net/socket.c:2767) [ 96.046547][ T1978] ? __sys_sendmsg (net/socket.c:2799) [ 96.046549][ T1978] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 96.046552][ T1978] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.046555][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046556][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.046557][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046558][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046559][ T1978] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 96.046561][ T1978] ? __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) [ 96.046562][ T1978] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 96.046564][ T1978] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 96.046565][ T1978] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 96.046566][ T1978] ? nla_get_range_signed (lib/nlattr.c:270) [ 96.046569][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046571][ T1978] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 96.046573][ T1978] rtnl_newlink (net/core/rtnetlink.c:4215) [ 96.046574][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046576][ T1978] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 96.046577][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.046578][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046579][ T1978] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 96.046582][ T1978] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 96.046583][ T1978] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 96.046585][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046586][ T1978] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 96.046589][ T1978] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 96.046591][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046592][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.046594][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046595][ T1978] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 96.046596][ T1978] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 96.046598][ T1978] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 96.046599][ T1978] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 96.046600][ T1978] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 96.046603][ T1978] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 96.046604][ T1978] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 96.046605][ T1978] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.046607][ T1978] ? netlink_ack (./include/linux/skbuff.h:2718) [ 96.046608][ T1978] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 96.046611][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046612][ T1978] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.046614][ T1978] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 96.046616][ T1978] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 96.046618][ T1978] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.046620][ T1978] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 96.046622][ T1978] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 96.046624][ T1978] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 96.046625][ T1978] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.046627][ T1978] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 96.046630][ T1978] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 96.046632][ T1978] ____sys_sendmsg (net/socket.c:2713) [ 96.046633][ T1978] ? copy_msghdr_from_user (net/socket.c:2650) [ 96.046635][ T1978] ? sock_write_iter (net/socket.c:1269) [ 96.046636][ T1978] ? move_addr_to_kernel (net/socket.c:258) [ 96.046638][ T1978] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 96.046640][ T1978] ___sys_sendmsg (net/socket.c:2767) [ 96.046642][ T1978] ? copy_msghdr_from_user (net/socket.c:2619) [ 96.046647][ T1978] __sys_sendmsg (net/socket.c:2799) [ 96.046649][ T1978] ? __sys_sendmsg_sock (net/socket.c:2780) [ 96.046651][ T1978] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.046653][ T1978] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 96.046654][ T1978] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 96.046656][ T1978] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.046657][ T1978] RIP: 0033:0x7f9133e0154e [ 96.046659][ T1978] 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 [ 96.046661][ T1978] RSP: 002b:00007fff7a5145a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 96.046665][ T1978] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9133e0154e [ 96.046666][ T1978] RDX: 0000000000000000 RSI: 00007fff7a514650 RDI: 0000000000000005 [ 96.046667][ T1978] RBP: 00007fff7a5145b0 R08: 0000000000000000 R09: 0000000000000000 [ 96.046668][ T1978] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9194ee [ 96.046668][ T1978] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7a514d20 | [ 103.179999][ T12] softirqs last disabled at (474648): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 103.180000][ T12] Preemption disabled at: | [ 103.180001][ T12] 0x0 | [ 103.180010][ T12] Tainted: [W]=WARN [ 103.180011][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 103.180013][ T12] Workqueue: netns cleanup_net [ 103.180019][ T12] Call Trace: [ 103.180020][ T12] [ 103.180022][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 103.180028][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 103.180031][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 103.180036][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.180038][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 103.180041][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.180044][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.180049][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 103.180051][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 103.180053][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 103.180055][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 103.180056][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 103.180058][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 103.180061][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 103.180065][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 103.180067][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.180069][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.180071][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 103.180074][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 103.180076][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.180077][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.180078][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.180078][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.180080][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 103.180082][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 103.180084][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 103.180087][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 103.180089][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.180090][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 103.180092][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.180093][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 103.180094][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 103.180096][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 103.180097][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 103.180099][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 103.180101][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 103.180102][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 103.180104][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.180105][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 103.180108][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 103.180110][ T12] _printk (kernel/printk/printk.c:2504) [ 103.180112][ T12] ? snapshot_read.cold (user.c:?) [ 103.180114][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 103.180117][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 103.180121][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 103.180123][ T12] br_device_event (net/bridge/br.c:111) [ 103.180125][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 103.180127][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 103.180129][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 103.180132][ T12] notifier_call_chain (kernel/notifier.c:85) [ 103.180135][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 103.180137][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 103.180139][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.180141][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 103.180143][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 103.180145][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 103.180147][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 103.180148][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 103.180151][ T12] ? kthread (kernel/kthread.c:436) [ 103.180153][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 103.180156][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 103.180158][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 103.180159][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.180160][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 103.180162][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 103.180164][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 103.180165][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.180166][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 103.180168][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 103.180170][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 103.180181][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 103.180183][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 103.180185][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 103.180188][ T12] cleanup_net (net/core/net_namespace.c:706) [ 103.180190][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 103.180191][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 103.180193][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 103.180194][ T12] process_one_work (kernel/workqueue.c:3387) [ 103.180197][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 103.180199][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 103.180201][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 103.180203][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 103.180206][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 103.180208][ T12] kthread (kernel/kthread.c:436) [ 103.180210][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 103.180211][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 103.180213][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 103.180214][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 103.180216][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 103.180219][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 103.180221][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 104.955840][ T2216] softirqs last disabled at (0): 0x0 | [ 104.955842][ T2216] Preemption disabled at: | [ 104.955842][ T2216] vprintk_emit (kernel/printk/printk.c:2471) | [ 104.955852][ T2216] Tainted: [W]=WARN [ 104.955853][ T2216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 104.955855][ T2216] Call Trace: [ 104.955856][ T2216] [ 104.955857][ T2216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 104.955862][ T2216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 104.955864][ T2216] __might_resched.cold (kernel/sched/core.c:9234) [ 104.955868][ T2216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 104.955871][ T2216] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 104.955874][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.955877][ T2216] __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)) [ 104.955879][ T2216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.955882][ T2216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.955887][ T2216] ? 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) [ 104.955889][ T2216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.955892][ T2216] put_chars (drivers/char/virtio_console.c:1176) [ 104.955893][ T2216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 104.955895][ T2216] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 104.955897][ T2216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 104.955902][ T2216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 104.955904][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.955905][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.955907][ T2216] console_emit_next_record (kernel/printk/printk.c:3183) [ 104.955910][ T2216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 104.955912][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.955913][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.955914][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.955915][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.955917][ T2216] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 104.955918][ T2216] console_flush_one_record (kernel/printk/printk.c:3268) [ 104.955921][ T2216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 104.955923][ T2216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 104.955925][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.955927][ T2216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 104.955929][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.955930][ T2216] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.955931][ T2216] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 104.955933][ T2216] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 104.955934][ T2216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 104.955936][ T2216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 104.955937][ T2216] vprintk_emit (kernel/printk/printk.c:2479) [ 104.955939][ T2216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 104.955940][ T2216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.955942][ T2216] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.955944][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.955946][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.955947][ T2216] _printk (kernel/printk/printk.c:2504) [ 104.955950][ T2216] ? snapshot_read.cold (user.c:?) [ 104.955952][ T2216] ? br_multicast_flood (??:?) [ 104.955956][ T2216] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 104.955960][ T2216] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 104.955961][ T2216] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.955963][ T2216] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 104.955966][ T2216] br_init_port (net/bridge/br_stp_if.c:39) [ 104.955967][ T2216] new_nbp (net/bridge/br_if.c:449) [ 104.955969][ T2216] br_add_if (net/bridge/br_if.c:592) [ 104.955971][ T2216] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 104.955975][ T2216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.955978][ T2216] do_set_master (net/core/rtnetlink.c:3071) [ 104.955979][ T2216] ? netif_change_flags (net/core/dev.c:9882) [ 104.955981][ T2216] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 104.955983][ T2216] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 104.955984][ T2216] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 104.955986][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.955987][ T2216] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 104.955990][ T2216] ? kasan_save_stack (mm/kasan/common.c:58) [ 104.955992][ T2216] ? kasan_save_stack (mm/kasan/common.c:57) [ 104.955993][ T2216] ? kasan_save_track (mm/kasan/common.c:78) [ 104.955994][ T2216] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 104.955995][ T2216] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 104.955996][ T2216] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 104.955997][ T2216] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.955998][ T2216] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 104.956001][ T2216] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 104.956002][ T2216] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 104.956003][ T2216] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 104.956006][ T2216] ? ____sys_sendmsg (net/socket.c:2713) [ 104.956007][ T2216] ? ___sys_sendmsg (net/socket.c:2767) [ 104.956009][ T2216] ? __sys_sendmsg (net/socket.c:2799) [ 104.956010][ T2216] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 104.956013][ T2216] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.956016][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.956017][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.956018][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.956019][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.956020][ T2216] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 104.956022][ T2216] ? __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) [ 104.956024][ T2216] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 104.956025][ T2216] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 104.956026][ T2216] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 104.956027][ T2216] ? nla_get_range_signed (lib/nlattr.c:270) [ 104.956031][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.956032][ T2216] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 104.956034][ T2216] rtnl_newlink (net/core/rtnetlink.c:4215) [ 104.956036][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.956037][ T2216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 104.956038][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.956039][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.956041][ T2216] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 104.956043][ T2216] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 104.956044][ T2216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.956046][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.956047][ T2216] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 104.956050][ T2216] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 104.956052][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.956053][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.956055][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.956056][ T2216] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 104.956057][ T2216] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 104.956059][ T2216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 104.956060][ T2216] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.956061][ T2216] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 104.956064][ T2216] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 104.956065][ T2216] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 104.956066][ T2216] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.956068][ T2216] ? netlink_ack (./include/linux/skbuff.h:2718) [ 104.956069][ T2216] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 104.956072][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.956073][ T2216] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.956075][ T2216] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 104.956078][ T2216] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 104.956079][ T2216] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.956081][ T2216] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 104.956083][ T2216] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 104.956085][ T2216] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 104.956086][ T2216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.956088][ T2216] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 104.956091][ T2216] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 104.956092][ T2216] ____sys_sendmsg (net/socket.c:2713) [ 104.956094][ T2216] ? copy_msghdr_from_user (net/socket.c:2650) [ 104.956096][ T2216] ? sock_write_iter (net/socket.c:1269) [ 104.956097][ T2216] ? move_addr_to_kernel (net/socket.c:258) [ 104.956099][ T2216] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 104.956101][ T2216] ___sys_sendmsg (net/socket.c:2767) [ 104.956103][ T2216] ? copy_msghdr_from_user (net/socket.c:2619) [ 104.956108][ T2216] __sys_sendmsg (net/socket.c:2799) [ 104.956109][ T2216] ? __sys_sendmsg_sock (net/socket.c:2780) [ 104.956112][ T2216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.956114][ T2216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 104.956115][ T2216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 104.956117][ T2216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 104.956119][ T2216] RIP: 0033:0x7efe3dd8a54e [ 104.956121][ T2216] 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 [ 104.956122][ T2216] RSP: 002b:00007fffa8f3ed20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 104.956126][ T2216] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007efe3dd8a54e [ 104.956127][ T2216] RDX: 0000000000000000 RSI: 00007fffa8f3edd0 RDI: 0000000000000005 [ 104.956128][ T2216] RBP: 00007fffa8f3ed30 R08: 0000000000000000 R09: 0000000000000000 [ 104.956129][ T2216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9194f7 [ 104.956130][ T2216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa8f3f4a0 | [ 111.825047][ T12] softirqs last disabled at (474648): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 111.825049][ T12] Preemption disabled at: | [ 111.825050][ T12] 0x0 | [ 111.825059][ T12] Tainted: [W]=WARN [ 111.825060][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.825062][ T12] Workqueue: netns cleanup_net [ 111.825068][ T12] Call Trace: [ 111.825069][ T12] [ 111.825071][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 111.825077][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 111.825080][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.825084][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.825087][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 111.825090][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.825093][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.825098][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 111.825100][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 111.825102][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 111.825104][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 111.825105][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 111.825107][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 111.825110][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 111.825114][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 111.825116][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.825118][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.825120][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 111.825123][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 111.825125][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.825126][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.825127][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.825128][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.825130][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 111.825132][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 111.825134][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 111.825137][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 111.825139][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.825140][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 111.825142][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.825143][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 111.825144][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 111.825146][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 111.825147][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 111.825149][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 111.825151][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 111.825153][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 111.825154][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.825155][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.825158][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 111.825160][ T12] _printk (kernel/printk/printk.c:2504) [ 111.825163][ T12] ? snapshot_read.cold (user.c:?) [ 111.825165][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 111.825168][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 111.825172][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 111.825173][ T12] br_device_event (net/bridge/br.c:111) [ 111.825176][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 111.825177][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 111.825179][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 111.825182][ T12] notifier_call_chain (kernel/notifier.c:85) [ 111.825185][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 111.825188][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 111.825190][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.825192][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 111.825193][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 111.825195][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 111.825197][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 111.825199][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 111.825202][ T12] ? kthread (kernel/kthread.c:436) [ 111.825204][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 111.825214][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 111.825217][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 111.825218][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.825219][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.825221][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 111.825223][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 111.825224][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.825226][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 111.825228][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 111.825229][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 111.825232][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 111.825234][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 111.825236][ T12] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 111.825238][ T12] cleanup_net (net/core/net_namespace.c:706) [ 111.825240][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 111.825242][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 111.825243][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 111.825245][ T12] process_one_work (kernel/workqueue.c:3387) [ 111.825251][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 111.825253][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 111.825255][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 111.825257][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 111.825260][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 111.825262][ T12] kthread (kernel/kthread.c:436) [ 111.825263][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 111.825265][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 111.825267][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 111.825268][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 111.825270][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 111.825273][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 111.825275][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 113.664382][ T2414] softirqs last disabled at (0): 0x0 | [ 113.664384][ T2414] Preemption disabled at: | [ 113.664384][ T2414] vprintk_emit (kernel/printk/printk.c:2471) | [ 113.664394][ T2414] Tainted: [W]=WARN [ 113.664395][ T2414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.664397][ T2414] Call Trace: [ 113.664398][ T2414] [ 113.664400][ T2414] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 113.664405][ T2414] ? vprintk_emit (kernel/printk/printk.c:2471) [ 113.664406][ T2414] __might_resched.cold (kernel/sched/core.c:9234) [ 113.664410][ T2414] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 113.664413][ T2414] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 113.664417][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664419][ T2414] __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)) [ 113.664422][ T2414] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.664425][ T2414] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.664430][ T2414] ? 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) [ 113.664432][ T2414] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.664434][ T2414] put_chars (drivers/char/virtio_console.c:1176) [ 113.664436][ T2414] ? __send_to_port (drivers/char/virtio_console.c:654) [ 113.664438][ T2414] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 113.664440][ T2414] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 113.664445][ T2414] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 113.664447][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664448][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.664451][ T2414] console_emit_next_record (kernel/printk/printk.c:3183) [ 113.664453][ T2414] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 113.664455][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664456][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664457][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664458][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.664460][ T2414] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 113.664462][ T2414] console_flush_one_record (kernel/printk/printk.c:3268) [ 113.664465][ T2414] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 113.664467][ T2414] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 113.664469][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.664471][ T2414] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 113.664472][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664473][ T2414] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.664475][ T2414] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 113.664476][ T2414] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 113.664478][ T2414] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 113.664479][ T2414] ? vprintk_emit (kernel/printk/printk.c:2478) [ 113.664481][ T2414] vprintk_emit (kernel/printk/printk.c:2479) [ 113.664483][ T2414] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 113.664484][ T2414] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.664485][ T2414] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.664488][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.664490][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664491][ T2414] _printk (kernel/printk/printk.c:2504) [ 113.664494][ T2414] ? snapshot_read.cold (user.c:?) [ 113.664496][ T2414] ? br_multicast_flood (??:?) [ 113.664500][ T2414] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 113.664502][ T2414] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 113.664504][ T2414] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.664506][ T2414] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 113.664508][ T2414] br_init_port (net/bridge/br_stp_if.c:39) [ 113.664510][ T2414] new_nbp (net/bridge/br_if.c:449) [ 113.664512][ T2414] br_add_if (net/bridge/br_if.c:592) [ 113.664514][ T2414] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 113.664517][ T2414] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.664520][ T2414] do_set_master (net/core/rtnetlink.c:3071) [ 113.664522][ T2414] ? netif_change_flags (net/core/dev.c:9882) [ 113.664524][ T2414] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 113.664526][ T2414] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 113.664527][ T2414] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 113.664528][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664529][ T2414] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 113.664533][ T2414] ? kasan_save_stack (mm/kasan/common.c:58) [ 113.664534][ T2414] ? kasan_save_stack (mm/kasan/common.c:57) [ 113.664535][ T2414] ? kasan_save_track (mm/kasan/common.c:78) [ 113.664536][ T2414] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 113.664538][ T2414] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 113.664539][ T2414] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 113.664540][ T2414] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.664541][ T2414] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 113.664543][ T2414] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 113.664545][ T2414] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 113.664546][ T2414] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 113.664549][ T2414] ? ____sys_sendmsg (net/socket.c:2713) [ 113.664550][ T2414] ? ___sys_sendmsg (net/socket.c:2767) [ 113.664551][ T2414] ? __sys_sendmsg (net/socket.c:2799) [ 113.664553][ T2414] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 113.664557][ T2414] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.664559][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664560][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.664562][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664563][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664564][ T2414] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 113.664565][ T2414] ? __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) [ 113.664567][ T2414] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 113.664568][ T2414] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 113.664569][ T2414] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 113.664570][ T2414] ? nla_get_range_signed (lib/nlattr.c:270) [ 113.664574][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664575][ T2414] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 113.664577][ T2414] rtnl_newlink (net/core/rtnetlink.c:4215) [ 113.664579][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664580][ T2414] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 113.664581][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.664583][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664584][ T2414] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 113.664587][ T2414] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 113.664588][ T2414] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.664589][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664591][ T2414] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 113.664594][ T2414] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 113.664596][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664597][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.664599][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664600][ T2414] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 113.664601][ T2414] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 113.664603][ T2414] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 113.664604][ T2414] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.664606][ T2414] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 113.664608][ T2414] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 113.664609][ T2414] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 113.664611][ T2414] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.664612][ T2414] ? netlink_ack (./include/linux/skbuff.h:2718) [ 113.664614][ T2414] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 113.664617][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664618][ T2414] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.664620][ T2414] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 113.664622][ T2414] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 113.664624][ T2414] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.664626][ T2414] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 113.664628][ T2414] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 113.664629][ T2414] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 113.664631][ T2414] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.664632][ T2414] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 113.664636][ T2414] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 113.664637][ T2414] ____sys_sendmsg (net/socket.c:2713) [ 113.664639][ T2414] ? copy_msghdr_from_user (net/socket.c:2650) [ 113.664641][ T2414] ? sock_write_iter (net/socket.c:1269) [ 113.664642][ T2414] ? move_addr_to_kernel (net/socket.c:258) [ 113.664644][ T2414] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 113.664646][ T2414] ___sys_sendmsg (net/socket.c:2767) [ 113.664648][ T2414] ? copy_msghdr_from_user (net/socket.c:2619) [ 113.664653][ T2414] __sys_sendmsg (net/socket.c:2799) [ 113.664655][ T2414] ? __sys_sendmsg_sock (net/socket.c:2780) [ 113.664658][ T2414] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.664659][ T2414] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 113.664661][ T2414] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 113.664663][ T2414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 113.664664][ T2414] RIP: 0033:0x7f33f536d54e [ 113.664666][ T2414] 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 [ 113.664668][ T2414] RSP: 002b:00007ffec9cf8140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 113.664672][ T2414] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f33f536d54e [ 113.664673][ T2414] RDX: 0000000000000000 RSI: 00007ffec9cf81f0 RDI: 0000000000000005 [ 113.664674][ T2414] RBP: 00007ffec9cf8150 R08: 0000000000000000 R09: 0000000000000000 [ 113.664675][ T2414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919500 [ 113.664676][ T2414] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec9cf88c0 | [ 120.422125][ T12] softirqs last disabled at (474648): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 120.422127][ T12] Preemption disabled at: | [ 120.422128][ T12] 0x0 | [ 120.422137][ T12] Tainted: [W]=WARN [ 120.422138][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 120.422140][ T12] Workqueue: netns cleanup_net [ 120.422145][ T12] Call Trace: [ 120.422146][ T12] [ 120.422148][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 120.422154][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 120.422157][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 120.422162][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.422164][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 120.422167][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.422170][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.422175][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 120.422176][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.422179][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 120.422181][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 120.422182][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 120.422184][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 120.422187][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 120.422192][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 120.422193][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.422195][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.422197][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 120.422200][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 120.422202][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.422203][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.422204][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.422205][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.422207][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 120.422209][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 120.422211][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 120.422214][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 120.422216][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.422217][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 120.422219][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.422220][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.422221][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 120.422222][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 120.422224][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 120.422226][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 120.422227][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 120.422229][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 120.422230][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.422231][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.422234][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 120.422236][ T12] _printk (kernel/printk/printk.c:2504) [ 120.422244][ T12] ? snapshot_read.cold (user.c:?) [ 120.422246][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 120.422252][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 120.422255][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 120.422257][ T12] br_device_event (net/bridge/br.c:111) [ 120.422259][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 120.422261][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 120.422263][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 120.422266][ T12] notifier_call_chain (kernel/notifier.c:85) [ 120.422269][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 120.422271][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 120.422273][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.422275][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 120.422277][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 120.422279][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 120.422281][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 120.422282][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 120.422285][ T12] ? kthread (kernel/kthread.c:436) [ 120.422286][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 120.422289][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 120.422291][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 120.422293][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.422294][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.422296][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 120.422298][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 120.422299][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.422301][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 120.422302][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 120.422304][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 120.422307][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 120.422309][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 120.422310][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 120.422313][ T12] cleanup_net (net/core/net_namespace.c:706) [ 120.422315][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 120.422316][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 120.422319][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.422320][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.422322][ T12] process_one_work (kernel/workqueue.c:3387) [ 120.422325][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 120.422327][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 120.422329][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.422331][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 120.422334][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 120.422336][ T12] kthread (kernel/kthread.c:436) [ 120.422337][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.422339][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 120.422341][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 120.422342][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 120.422344][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 120.422347][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 120.422348][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 122.178269][ T2622] softirqs last disabled at (0): 0x0 | [ 122.178270][ T2622] Preemption disabled at: | [ 122.178271][ T2622] vprintk_emit (kernel/printk/printk.c:2471) | [ 122.178281][ T2622] Tainted: [W]=WARN [ 122.178282][ T2622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 122.178284][ T2622] Call Trace: [ 122.178285][ T2622] [ 122.178286][ T2622] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 122.178292][ T2622] ? vprintk_emit (kernel/printk/printk.c:2471) [ 122.178293][ T2622] __might_resched.cold (kernel/sched/core.c:9234) [ 122.178297][ T2622] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 122.178300][ T2622] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 122.178303][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178306][ T2622] __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)) [ 122.178308][ T2622] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.178311][ T2622] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.178316][ T2622] ? 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) [ 122.178318][ T2622] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.178320][ T2622] put_chars (drivers/char/virtio_console.c:1176) [ 122.178322][ T2622] ? __send_to_port (drivers/char/virtio_console.c:654) [ 122.178324][ T2622] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 122.178326][ T2622] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 122.178331][ T2622] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 122.178333][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178334][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.178336][ T2622] console_emit_next_record (kernel/printk/printk.c:3183) [ 122.178339][ T2622] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 122.178341][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178342][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178343][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178343][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.178345][ T2622] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 122.178347][ T2622] console_flush_one_record (kernel/printk/printk.c:3268) [ 122.178349][ T2622] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 122.178352][ T2622] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 122.178354][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.178355][ T2622] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 122.178357][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178358][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.178359][ T2622] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 122.178361][ T2622] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 122.178362][ T2622] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 122.178364][ T2622] ? vprintk_emit (kernel/printk/printk.c:2478) [ 122.178365][ T2622] vprintk_emit (kernel/printk/printk.c:2479) [ 122.178367][ T2622] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 122.178368][ T2622] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.178370][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.178373][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.178374][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178375][ T2622] _printk (kernel/printk/printk.c:2504) [ 122.178378][ T2622] ? snapshot_read.cold (user.c:?) [ 122.178380][ T2622] ? br_multicast_flood (??:?) [ 122.178384][ T2622] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 122.178386][ T2622] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 122.178388][ T2622] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.178390][ T2622] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 122.178392][ T2622] br_init_port (net/bridge/br_stp_if.c:39) [ 122.178394][ T2622] new_nbp (net/bridge/br_if.c:449) [ 122.178396][ T2622] br_add_if (net/bridge/br_if.c:592) [ 122.178398][ T2622] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 122.178401][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.178404][ T2622] do_set_master (net/core/rtnetlink.c:3071) [ 122.178406][ T2622] ? netif_change_flags (net/core/dev.c:9882) [ 122.178408][ T2622] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 122.178410][ T2622] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 122.178411][ T2622] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 122.178412][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178413][ T2622] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 122.178417][ T2622] ? kasan_save_stack (mm/kasan/common.c:58) [ 122.178418][ T2622] ? kasan_save_stack (mm/kasan/common.c:57) [ 122.178419][ T2622] ? kasan_save_track (mm/kasan/common.c:78) [ 122.178420][ T2622] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 122.178421][ T2622] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 122.178422][ T2622] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 122.178423][ T2622] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.178424][ T2622] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 122.178427][ T2622] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 122.178429][ T2622] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 122.178430][ T2622] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 122.178433][ T2622] ? ____sys_sendmsg (net/socket.c:2713) [ 122.178434][ T2622] ? ___sys_sendmsg (net/socket.c:2767) [ 122.178435][ T2622] ? __sys_sendmsg (net/socket.c:2799) [ 122.178437][ T2622] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 122.178440][ T2622] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.178443][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178444][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.178445][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178446][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178447][ T2622] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 122.178449][ T2622] ? __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) [ 122.178451][ T2622] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 122.178452][ T2622] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 122.178453][ T2622] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 122.178454][ T2622] ? nla_get_range_signed (lib/nlattr.c:270) [ 122.178457][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178459][ T2622] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 122.178461][ T2622] rtnl_newlink (net/core/rtnetlink.c:4215) [ 122.178463][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178464][ T2622] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 122.178465][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.178466][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178468][ T2622] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 122.178471][ T2622] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 122.178472][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.178473][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178474][ T2622] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 122.178477][ T2622] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 122.178480][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178481][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.178482][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178483][ T2622] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 122.178485][ T2622] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 122.178486][ T2622] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 122.178487][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.178489][ T2622] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 122.178491][ T2622] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 122.178493][ T2622] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 122.178494][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.178496][ T2622] ? netlink_ack (./include/linux/skbuff.h:2718) [ 122.178497][ T2622] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 122.178500][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178501][ T2622] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.178503][ T2622] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 122.178505][ T2622] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 122.178507][ T2622] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.178508][ T2622] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 122.178510][ T2622] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 122.178512][ T2622] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 122.178514][ T2622] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.178515][ T2622] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 122.178518][ T2622] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 122.178520][ T2622] ____sys_sendmsg (net/socket.c:2713) [ 122.178521][ T2622] ? copy_msghdr_from_user (net/socket.c:2650) [ 122.178523][ T2622] ? sock_write_iter (net/socket.c:1269) [ 122.178524][ T2622] ? move_addr_to_kernel (net/socket.c:258) [ 122.178526][ T2622] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 122.178528][ T2622] ___sys_sendmsg (net/socket.c:2767) [ 122.178530][ T2622] ? copy_msghdr_from_user (net/socket.c:2619) [ 122.178535][ T2622] __sys_sendmsg (net/socket.c:2799) [ 122.178536][ T2622] ? __sys_sendmsg_sock (net/socket.c:2780) [ 122.178539][ T2622] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 122.178541][ T2622] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.178542][ T2622] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 122.178544][ T2622] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 122.178546][ T2622] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.178547][ T2622] RIP: 0033:0x7f828134d54e [ 122.178549][ T2622] 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 [ 122.178551][ T2622] RSP: 002b:00007fff777036a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 122.178554][ T2622] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f828134d54e [ 122.178556][ T2622] RDX: 0000000000000000 RSI: 00007fff77703750 RDI: 0000000000000005 [ 122.178557][ T2622] RBP: 00007fff777036b0 R08: 0000000000000000 R09: 0000000000000000 [ 122.178557][ T2622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919508 [ 122.178558][ T2622] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff77703e20 | [ 129.327064][ T12] softirqs last disabled at (474648): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 129.327066][ T12] Preemption disabled at: | [ 129.327067][ T12] 0x0 | [ 129.327076][ T12] Tainted: [W]=WARN [ 129.327077][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 129.327079][ T12] Workqueue: netns cleanup_net [ 129.327084][ T12] Call Trace: [ 129.327086][ T12] [ 129.327088][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 129.327093][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 129.327097][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 129.327101][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.327104][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 129.327106][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.327110][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.327114][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 129.327116][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.327118][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 129.327120][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 129.327121][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 129.327123][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 129.327126][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 129.327130][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 129.327132][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.327134][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.327136][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 129.327138][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 129.327140][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.327141][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.327142][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.327143][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.327145][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 129.327147][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 129.327149][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 129.327152][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 129.327153][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.327155][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 129.327156][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.327157][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 129.327159][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 129.327160][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 129.327162][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 129.327163][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 129.327165][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 129.327167][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 129.327168][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.327169][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.327172][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 129.327173][ T12] _printk (kernel/printk/printk.c:2504) [ 129.327176][ T12] ? snapshot_read.cold (user.c:?) [ 129.327178][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 129.327181][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 129.327185][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 129.327187][ T12] br_device_event (net/bridge/br.c:111) [ 129.327189][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 129.327191][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 129.327192][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 129.327195][ T12] notifier_call_chain (kernel/notifier.c:85) [ 129.327199][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 129.327201][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 129.327203][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.327205][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 129.327207][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 129.327209][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 129.327210][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 129.327212][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 129.327215][ T12] ? kthread (kernel/kthread.c:436) [ 129.327216][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 129.327219][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 129.327221][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 129.327223][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.327224][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.327226][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 129.327227][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 129.327229][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.327230][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 129.327231][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 129.327233][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 129.327236][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 129.327238][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 129.327239][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 129.327243][ T12] cleanup_net (net/core/net_namespace.c:706) [ 129.327244][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 129.327250][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.327252][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.327253][ T12] process_one_work (kernel/workqueue.c:3387) [ 129.327256][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 129.327258][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 129.327260][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.327262][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 129.327265][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 129.327267][ T12] kthread (kernel/kthread.c:436) [ 129.327268][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 129.327270][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 129.327272][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 129.327273][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 129.327282][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 129.327285][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 129.327287][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 131.094307][ T2843] softirqs last disabled at (0): 0x0 | [ 131.094308][ T2843] Preemption disabled at: | [ 131.094309][ T2843] vprintk_emit (kernel/printk/printk.c:2471) | [ 131.094319][ T2843] Tainted: [W]=WARN [ 131.094320][ T2843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 131.094322][ T2843] Call Trace: [ 131.094323][ T2843] [ 131.094324][ T2843] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 131.094330][ T2843] ? vprintk_emit (kernel/printk/printk.c:2471) [ 131.094331][ T2843] __might_resched.cold (kernel/sched/core.c:9234) [ 131.094335][ T2843] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 131.094338][ T2843] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 131.094341][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094343][ T2843] __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)) [ 131.094346][ T2843] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 131.094349][ T2843] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 131.094354][ T2843] ? 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) [ 131.094355][ T2843] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 131.094358][ T2843] put_chars (drivers/char/virtio_console.c:1176) [ 131.094359][ T2843] ? __send_to_port (drivers/char/virtio_console.c:654) [ 131.094361][ T2843] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 131.094363][ T2843] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 131.094368][ T2843] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 131.094369][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094370][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.094373][ T2843] console_emit_next_record (kernel/printk/printk.c:3183) [ 131.094375][ T2843] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 131.094377][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094378][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094379][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094380][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.094382][ T2843] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 131.094384][ T2843] console_flush_one_record (kernel/printk/printk.c:3268) [ 131.094386][ T2843] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 131.094388][ T2843] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 131.094390][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.094392][ T2843] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 131.094393][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094394][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.094396][ T2843] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 131.094397][ T2843] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 131.094398][ T2843] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 131.094400][ T2843] ? vprintk_emit (kernel/printk/printk.c:2478) [ 131.094402][ T2843] vprintk_emit (kernel/printk/printk.c:2479) [ 131.094404][ T2843] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 131.094405][ T2843] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 131.094406][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.094409][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.094410][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094412][ T2843] _printk (kernel/printk/printk.c:2504) [ 131.094415][ T2843] ? snapshot_read.cold (user.c:?) [ 131.094416][ T2843] ? br_multicast_flood (??:?) [ 131.094420][ T2843] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 131.094422][ T2843] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 131.094423][ T2843] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.094425][ T2843] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 131.094428][ T2843] br_init_port (net/bridge/br_stp_if.c:39) [ 131.094429][ T2843] new_nbp (net/bridge/br_if.c:449) [ 131.094431][ T2843] br_add_if (net/bridge/br_if.c:592) [ 131.094433][ T2843] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 131.094437][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.094440][ T2843] do_set_master (net/core/rtnetlink.c:3071) [ 131.094441][ T2843] ? netif_change_flags (net/core/dev.c:9882) [ 131.094443][ T2843] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 131.094445][ T2843] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 131.094446][ T2843] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 131.094448][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094449][ T2843] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 131.094452][ T2843] ? kasan_save_stack (mm/kasan/common.c:58) [ 131.094454][ T2843] ? kasan_save_stack (mm/kasan/common.c:57) [ 131.094455][ T2843] ? kasan_save_track (mm/kasan/common.c:78) [ 131.094456][ T2843] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 131.094457][ T2843] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 131.094458][ T2843] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 131.094459][ T2843] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.094460][ T2843] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 131.094463][ T2843] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 131.094464][ T2843] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 131.094466][ T2843] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 131.094468][ T2843] ? ____sys_sendmsg (net/socket.c:2713) [ 131.094469][ T2843] ? ___sys_sendmsg (net/socket.c:2767) [ 131.094471][ T2843] ? __sys_sendmsg (net/socket.c:2799) [ 131.094473][ T2843] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 131.094476][ T2843] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.094478][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094479][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.094480][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094481][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094482][ T2843] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 131.094484][ T2843] ? __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) [ 131.094486][ T2843] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 131.094487][ T2843] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 131.094488][ T2843] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 131.094489][ T2843] ? nla_get_range_signed (lib/nlattr.c:270) [ 131.094492][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094493][ T2843] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 131.094495][ T2843] rtnl_newlink (net/core/rtnetlink.c:4215) [ 131.094497][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094498][ T2843] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 131.094499][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.094501][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094502][ T2843] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 131.094505][ T2843] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 131.094506][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.094507][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094508][ T2843] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 131.094511][ T2843] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 131.094514][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094515][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.094516][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094517][ T2843] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 131.094518][ T2843] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 131.094520][ T2843] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 131.094521][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.094523][ T2843] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 131.094525][ T2843] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 131.094526][ T2843] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 131.094528][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.094529][ T2843] ? netlink_ack (./include/linux/skbuff.h:2718) [ 131.094531][ T2843] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 131.094533][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094535][ T2843] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.094536][ T2843] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 131.094538][ T2843] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 131.094540][ T2843] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.094542][ T2843] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 131.094544][ T2843] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 131.094545][ T2843] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 131.094547][ T2843] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.094548][ T2843] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 131.094552][ T2843] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 131.094553][ T2843] ____sys_sendmsg (net/socket.c:2713) [ 131.094555][ T2843] ? copy_msghdr_from_user (net/socket.c:2650) [ 131.094556][ T2843] ? sock_write_iter (net/socket.c:1269) [ 131.094558][ T2843] ? move_addr_to_kernel (net/socket.c:258) [ 131.094559][ T2843] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 131.094562][ T2843] ___sys_sendmsg (net/socket.c:2767) [ 131.094563][ T2843] ? copy_msghdr_from_user (net/socket.c:2619) [ 131.094568][ T2843] __sys_sendmsg (net/socket.c:2799) [ 131.094570][ T2843] ? __sys_sendmsg_sock (net/socket.c:2780) [ 131.094573][ T2843] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.094574][ T2843] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 131.094576][ T2843] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 131.094577][ T2843] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 131.094579][ T2843] RIP: 0033:0x7fa9ea0e354e [ 131.094581][ T2843] 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 [ 131.094582][ T2843] RSP: 002b:00007ffc5cafc440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 131.094586][ T2843] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa9ea0e354e [ 131.094587][ T2843] RDX: 0000000000000000 RSI: 00007ffc5cafc4f0 RDI: 0000000000000005 [ 131.094588][ T2843] RBP: 00007ffc5cafc450 R08: 0000000000000000 R09: 0000000000000000 [ 131.094589][ T2843] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919511 [ 131.094590][ T2843] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5cafcbc0 | [ 138.327929][ T12] softirqs last disabled at (474648): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 138.327931][ T12] Preemption disabled at: | [ 138.327931][ T12] 0x0 | [ 138.327941][ T12] Tainted: [W]=WARN [ 138.327942][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 138.327943][ T12] Workqueue: netns cleanup_net [ 138.327949][ T12] Call Trace: [ 138.327951][ T12] [ 138.327952][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 138.327958][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 138.327962][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 138.327965][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.327968][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 138.327971][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.327974][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 138.327979][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 138.327980][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 138.327983][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 138.327985][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 138.327986][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 138.327988][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 138.327991][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 138.327995][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 138.327997][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.327999][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.328001][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 138.328004][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 138.328005][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.328007][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.328007][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.328008][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.328010][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 138.328012][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 138.328014][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 138.328017][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 138.328019][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.328020][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 138.328022][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.328023][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 138.328024][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 138.328025][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 138.328027][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 138.328029][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 138.328030][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 138.328032][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 138.328033][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.328034][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 138.328038][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 138.328039][ T12] _printk (kernel/printk/printk.c:2504) [ 138.328042][ T12] ? snapshot_read.cold (user.c:?) [ 138.328044][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820) [ 138.328047][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 138.328051][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 138.328053][ T12] br_device_event (net/bridge/br.c:111) [ 138.328055][ T12] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 138.328057][ T12] ? packet_sendmsg_spkt (af_packet.c:?) [ 138.328059][ T12] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 138.328061][ T12] notifier_call_chain (kernel/notifier.c:85) [ 138.328064][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 138.328067][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 138.328069][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.328070][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 138.328072][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 138.328074][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 138.328076][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 138.328078][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 138.328080][ T12] ? kthread (kernel/kthread.c:436) [ 138.328082][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 138.328085][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 138.328087][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 138.328088][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.328090][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 138.328092][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 138.328093][ T12] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 138.328094][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.328096][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 138.328097][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 138.328099][ T12] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 138.328102][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 138.328104][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 138.328106][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 138.328109][ T12] cleanup_net (net/core/net_namespace.c:706) [ 138.328110][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 138.328112][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 138.328114][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 138.328115][ T12] process_one_work (kernel/workqueue.c:3387) [ 138.328118][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 138.328120][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 138.328122][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 138.328124][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 138.328127][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 138.328129][ T12] kthread (kernel/kthread.c:436) [ 138.328130][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 138.328132][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 138.328134][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 138.328135][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 138.328137][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 138.328140][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock __fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars