====================================== | [ 11.667811][ T224] softirqs last disabled at (23384): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.667814][ T224] Preemption disabled at: | [ 11.667814][ T224] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.667823][ T224] Tainted: [W]=WARN [ 11.667824][ T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.667826][ T224] Call Trace: [ 11.667827][ T224] [ 11.667829][ T224] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.667840][ T224] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.667841][ T224] __might_resched.cold (kernel/sched/core.c:9234) [ 11.667846][ T224] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.667850][ T224] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.667854][ T224] __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)) [ 11.667856][ T224] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.667862][ T224] ? 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) [ 11.667865][ T224] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.667869][ T224] put_chars (drivers/char/virtio_console.c:1176) [ 11.667871][ T224] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.667877][ T224] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.667885][ T224] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.667888][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.667892][ T224] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.667896][ T224] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.667898][ T224] ? 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)) [ 11.667901][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.667904][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.667908][ T224] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.667912][ T224] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.667914][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.667919][ T224] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.667922][ T224] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.667923][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.667925][ T224] ? 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) [ 11.667929][ T224] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.667930][ T224] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.667933][ T224] vprintk_emit (kernel/printk/printk.c:2479) [ 11.667936][ T224] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.667938][ T224] ? save_trace (kernel/locking/lockdep.c:589) [ 11.667942][ T224] _printk (kernel/printk/printk.c:2504) [ 11.667946][ T224] ? snapshot_read.cold (user.c:?) [ 11.667949][ T224] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.667951][ T224] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 11.667955][ T224] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 11.667958][ T224] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.667960][ T224] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.667963][ T224] ? netdev_notice (net/core/dev.c:13194) [ 11.667965][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.667968][ T224] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.667971][ T224] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.667974][ T224] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.667976][ T224] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.667978][ T224] ? register_netdev (net/core/dev.c:11618) [ 11.667979][ T224] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 11.667985][ T224] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.667987][ T224] ? __kernel_text_address (kernel/extable.c:79) [ 11.667990][ T224] ? write_profile (profile.c:?) [ 11.667994][ T224] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.668000][ T224] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.668003][ T224] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.668005][ T224] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.668006][ T224] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.668009][ T224] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.668013][ T224] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.668014][ T224] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.668016][ T224] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.668019][ T224] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.668021][ T224] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.668022][ T224] ? kasan_save_track (mm/kasan/common.c:78) [ 11.668023][ T224] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.668025][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.668027][ T224] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.668030][ T224] ? ___sys_sendmsg (net/socket.c:2758) [ 11.668034][ T224] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.668036][ T224] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.668038][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.668040][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.668041][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.668042][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.668044][ T224] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.668046][ T224] ? __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) [ 11.668049][ T224] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.668051][ T224] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.668054][ T224] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.668055][ T224] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.668060][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.668062][ T224] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.668067][ T224] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.668073][ T224] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.668075][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.668079][ T224] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.668081][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.668083][ T224] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.668084][ T224] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.668088][ T224] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.668090][ T224] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.668093][ T224] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.668095][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.668099][ T224] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.668101][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.668104][ T224] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.668107][ T224] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.668110][ T224] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.668116][ T224] ? 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)) [ 11.668118][ T224] ? 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)) [ 11.668123][ T224] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.668127][ T224] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.668129][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.668133][ T224] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.668137][ T224] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.668141][ T224] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.668143][ T224] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.668148][ T224] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.668151][ T224] ____sys_sendmsg (net/socket.c:2713) [ 11.668153][ T224] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.668155][ T224] ? sock_write_iter (net/socket.c:1269) [ 11.668157][ T224] ? move_addr_to_kernel (net/socket.c:258) [ 11.668164][ T224] ___sys_sendmsg (net/socket.c:2767) [ 11.668166][ T224] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.668182][ T224] __sys_sendmsg (net/socket.c:2799) [ 11.668185][ T224] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.668191][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.668194][ T224] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.668197][ T224] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.668199][ T224] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.668202][ T224] RIP: 0033:0x7fdc2617b54e [ 11.668206][ T224] 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 [ 11.668208][ T224] RSP: 002b:00007ffeae432a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.668210][ T224] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdc2617b54e [ 11.668212][ T224] RDX: 0000000000000000 RSI: 00007ffeae432b20 RDI: 0000000000000005 [ 11.668213][ T224] RBP: 00007ffeae432a80 R08: 0000000000000000 R09: 0000000000000000 [ 11.668213][ T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac48 [ 11.668214][ T224] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeae4331e0 | [ 12.775721][ T278] softirqs last disabled at (13466): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.775723][ T278] Preemption disabled at: | [ 12.775724][ T278] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.775733][ T278] Tainted: [W]=WARN [ 12.775734][ T278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.775736][ T278] Call Trace: [ 12.775737][ T278] [ 12.775738][ T278] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.775745][ T278] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.775746][ T278] __might_resched.cold (kernel/sched/core.c:9234) [ 12.775750][ T278] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.775755][ T278] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.775759][ T278] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.775761][ T278] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.775767][ T278] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.775770][ T278] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.775774][ T278] put_chars (drivers/char/virtio_console.c:1176) [ 12.775776][ T278] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.775778][ T278] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.775781][ T278] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.775787][ T278] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.775794][ T278] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.775797][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.775799][ T278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.775803][ T278] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.775807][ T278] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.775808][ T278] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.775812][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.775813][ T278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.775817][ T278] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.775822][ T278] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.775823][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.775829][ T278] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.775831][ T278] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.775833][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.775835][ T278] ? 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) [ 12.775844][ T278] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.775846][ T278] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.775849][ T278] vprintk_emit (kernel/printk/printk.c:2479) [ 12.775852][ T278] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.775853][ T278] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.775855][ T278] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.775858][ T278] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.775861][ T278] _printk (kernel/printk/printk.c:2504) [ 12.775865][ T278] ? snapshot_read.cold (user.c:?) [ 12.775868][ T278] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 12.775873][ T278] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 12.775877][ T278] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.775881][ T278] br_init_port (net/bridge/br_stp_if.c:39) [ 12.775883][ T278] new_nbp (net/bridge/br_if.c:449) [ 12.775887][ T278] br_add_if (net/bridge/br_if.c:592) [ 12.775889][ T278] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 12.775890][ T278] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.775897][ T278] do_set_master (net/core/rtnetlink.c:3071) [ 12.775900][ T278] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.775904][ T278] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.775907][ T278] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.775908][ T278] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.775911][ T278] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.775915][ T278] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.775916][ T278] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.775918][ T278] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.775920][ T278] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.775923][ T278] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.775924][ T278] ? kasan_save_track (mm/kasan/common.c:78) [ 12.775925][ T278] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 12.775927][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.775929][ T278] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 12.775932][ T278] ? ___sys_sendmsg (net/socket.c:2758) [ 12.775936][ T278] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.775938][ T278] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.775940][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.775942][ T278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.775943][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.775944][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.775946][ T278] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.775948][ T278] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.775949][ T278] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.775951][ T278] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.775954][ T278] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.775955][ T278] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.775960][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.775962][ T278] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.775967][ T278] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.775972][ T278] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.775974][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.775979][ T278] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.775980][ T278] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.775983][ T278] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.775984][ T278] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.775988][ T278] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.775990][ T278] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.775993][ T278] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.775994][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.775999][ T278] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.776001][ T278] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.776004][ T278] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.776007][ T278] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.776010][ T278] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.776016][ T278] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.776018][ T278] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.776022][ T278] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.776026][ T278] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.776029][ T278] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.776033][ T278] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.776037][ T278] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.776040][ T278] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.776042][ T278] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 12.776047][ T278] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 12.776050][ T278] ____sys_sendmsg (net/socket.c:2713) [ 12.776052][ T278] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.776054][ T278] ? sock_write_iter (net/socket.c:1269) [ 12.776056][ T278] ? move_addr_to_kernel (net/socket.c:258) [ 12.776063][ T278] ___sys_sendmsg (net/socket.c:2767) [ 12.776066][ T278] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.776081][ T278] __sys_sendmsg (net/socket.c:2799) [ 12.776084][ T278] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.776090][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.776093][ T278] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.776096][ T278] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.776099][ T278] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.776101][ T278] RIP: 0033:0x7fed21aea54e [ 12.776105][ T278] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.776106][ T278] RSP: 002b:00007ffcae9b1ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.776109][ T278] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fed21aea54e [ 12.776110][ T278] RDX: 0000000000000000 RSI: 00007ffcae9b1b80 RDI: 0000000000000005 [ 12.776111][ T278] RBP: 00007ffcae9b1ae0 R08: 0000000000000000 R09: 0000000000000000 [ 12.776112][ T278] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac4a [ 12.776113][ T278] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcae9b2250 | [ 18.268130][ T293] softirqs last disabled at (26553): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.268132][ T293] Preemption disabled at: | [ 18.268133][ T293] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.268141][ T293] Tainted: [W]=WARN [ 18.268142][ T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.268144][ T293] Call Trace: [ 18.268146][ T293] [ 18.268147][ T293] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.268153][ T293] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.268155][ T293] __might_resched.cold (kernel/sched/core.c:9234) [ 18.268159][ T293] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.268163][ T293] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.268167][ T293] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 18.268169][ T293] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.268176][ T293] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.268179][ T293] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.268183][ T293] put_chars (drivers/char/virtio_console.c:1176) [ 18.268184][ T293] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 18.268187][ T293] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.268190][ T293] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.268193][ T293] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.268197][ T293] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.268202][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.268203][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.268208][ T293] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.268210][ T293] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.268213][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.268216][ T293] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.268220][ T293] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.268223][ T293] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.268225][ T293] ? 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)) [ 18.268231][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.268233][ T293] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.268237][ T293] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.268241][ T293] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.268243][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.268248][ T293] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.268251][ T293] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.268253][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.268255][ T293] ? 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) [ 18.268258][ T293] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.268260][ T293] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.268263][ T293] vprintk_emit (kernel/printk/printk.c:2479) [ 18.268266][ T293] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.268271][ T293] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 18.268274][ T293] _printk (kernel/printk/printk.c:2504) [ 18.268278][ T293] ? snapshot_read.cold (user.c:?) [ 18.268284][ T293] ? 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) [ 18.268288][ T293] gact_init_module (net/sched/act_gact.c:180) act_gact [ 18.268290][ T293] do_one_initcall (init/main.c:1357) [ 18.268293][ T293] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 18.268297][ T293] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 18.268300][ T293] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 18.268306][ T293] do_init_module (kernel/module/main.c:3117) [ 18.268309][ T293] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.268312][ T293] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 18.268315][ T293] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 18.268319][ T293] load_module (kernel/module/main.c:3593) [ 18.268324][ T293] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 18.268329][ T293] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 18.268332][ T293] ? __ia32_sys_fsconfig (??:?) [ 18.268336][ T293] ? backing_file_read_iter (fs/backing-file.c:211) [ 18.268340][ T293] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.268343][ T293] init_module_from_file (kernel/module/main.c:3790) [ 18.268346][ T293] ? __do_sys_init_module (kernel/module/main.c:3664) [ 18.268353][ T293] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.268357][ T293] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.268360][ T293] idempotent_init_module (kernel/module/main.c:3802) [ 18.268363][ T293] ? init_module_from_file (kernel/module/main.c:3791) [ 18.268368][ T293] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 18.268371][ T293] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 18.268376][ T293] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 18.268377][ T293] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.268381][ T293] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.268384][ T293] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.268387][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.268389][ T293] RIP: 0033:0x7f3e779a637d [ 18.268392][ T293] 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 [ 18.268394][ T293] RSP: 002b:00007ffd73894c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 18.268396][ T293] RAX: ffffffffffffffda RBX: 0000559ba10eb810 RCX: 00007f3e779a637d [ 18.268398][ T293] RDX: 0000000000000000 RSI: 0000559b80d6dffd RDI: 0000000000000000 [ 18.268399][ T293] RBP: 00007ffd73894d20 R08: 0000000000000000 R09: 0000000000000000 [ 18.268400][ T293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559b80d6dffd [ 18.268400][ T293] R13: 0000559ba10eb960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.411393][ T303] softirqs last disabled at (9708): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 19.411395][ T303] Preemption disabled at: | [ 19.411396][ T303] 0x0 | [ 19.411407][ T303] Tainted: [W]=WARN [ 19.411408][ T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.411409][ T303] Workqueue: events_unbound linkwatch_event [ 19.411413][ T303] Call Trace: [ 19.411414][ T303] [ 19.411416][ T303] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.411423][ T303] __might_resched.cold (kernel/sched/core.c:9234) [ 19.411427][ T303] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.411431][ T303] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.411436][ T303] __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)) [ 19.411438][ T303] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.411445][ T303] ? 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) [ 19.411447][ T303] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.411451][ T303] put_chars (drivers/char/virtio_console.c:1176) [ 19.411454][ T303] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.411456][ T303] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.411459][ T303] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.411462][ T303] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.411467][ T303] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.411471][ T303] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.411472][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.411474][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.411479][ T303] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.411480][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.411485][ T303] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.411489][ T303] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.411493][ T303] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.411495][ T303] ? 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)) [ 19.411499][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.411501][ T303] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.411505][ T303] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.411509][ T303] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.411511][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.411517][ T303] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.411519][ T303] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.411521][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.411523][ T303] ? 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) [ 19.411527][ T303] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.411529][ T303] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.411531][ T303] vprintk_emit (kernel/printk/printk.c:2479) [ 19.411535][ T303] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.411536][ T303] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 19.411538][ T303] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.411540][ T303] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.411544][ T303] _printk (kernel/printk/printk.c:2504) [ 19.411548][ T303] ? snapshot_read.cold (user.c:?) [ 19.411553][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.411557][ T303] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 19.411562][ T303] br_init_port (net/bridge/br_stp_if.c:39) [ 19.411565][ T303] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 19.411567][ T303] br_port_carrier_check (net/bridge/br_if.c:90) [ 19.411570][ T303] br_device_event (net/bridge/br.c:101) [ 19.411573][ T303] ? fib6_ifdown (net/ipv6/route.c:4976) [ 19.411575][ T303] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.411581][ T303] notifier_call_chain (kernel/notifier.c:85) [ 19.411588][ T303] netif_state_change (net/core/dev.c:1625) [ 19.411593][ T303] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.411598][ T303] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 19.411600][ T303] __linkwatch_run_queue (net/core/link_watch.c:240) [ 19.411603][ T303] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.411606][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.411610][ T303] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 19.411612][ T303] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 19.411616][ T303] process_one_work (kernel/workqueue.c:3387) [ 19.411623][ T303] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.411625][ T303] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.411633][ T303] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.411638][ T303] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.411640][ T303] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 19.411642][ T303] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.411645][ T303] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.411647][ T303] kthread (kernel/kthread.c:436) [ 19.411649][ T303] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.411653][ T303] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.411656][ T303] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.411660][ T303] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.411664][ T303] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.411667][ T303] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.411670][ T303] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.468393][ T57] softirqs last disabled at (74474): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 20.468395][ T57] Preemption disabled at: | [ 20.468396][ T57] 0x0 | [ 20.468407][ T57] Tainted: [W]=WARN [ 20.468408][ T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.468410][ T57] Workqueue: events_unbound linkwatch_event [ 20.468413][ T57] Call Trace: [ 20.468415][ T57] [ 20.468417][ T57] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.468424][ T57] __might_resched.cold (kernel/sched/core.c:9234) [ 20.468428][ T57] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.468433][ T57] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.468437][ T57] __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)) [ 20.468439][ T57] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.468446][ T57] ? 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) [ 20.468449][ T57] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.468453][ T57] put_chars (drivers/char/virtio_console.c:1176) [ 20.468456][ T57] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.468458][ T57] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.468462][ T57] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.468465][ T57] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.468469][ T57] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.468473][ T57] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.468475][ T57] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.468477][ T57] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.468481][ T57] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.468483][ T57] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.468488][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.468492][ T57] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.468497][ T57] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.468499][ T57] ? 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)) [ 20.468502][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.468504][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.468508][ T57] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.468513][ T57] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.468515][ T57] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.468520][ T57] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.468523][ T57] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.468525][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.468527][ T57] ? 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) [ 20.468531][ T57] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.468533][ T57] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.468536][ T57] vprintk_emit (kernel/printk/printk.c:2479) [ 20.468539][ T57] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.468540][ T57] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 20.468543][ T57] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.468545][ T57] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.468548][ T57] _printk (kernel/printk/printk.c:2504) [ 20.468552][ T57] ? snapshot_read.cold (user.c:?) [ 20.468557][ T57] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.468561][ T57] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 20.468566][ T57] br_init_port (net/bridge/br_stp_if.c:39) [ 20.468569][ T57] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 20.468571][ T57] br_port_carrier_check (net/bridge/br_if.c:90) [ 20.468575][ T57] br_device_event (net/bridge/br.c:101) [ 20.468577][ T57] ? fib6_ifdown (net/ipv6/route.c:4976) [ 20.468579][ T57] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.468585][ T57] notifier_call_chain (kernel/notifier.c:85) [ 20.468592][ T57] netif_state_change (net/core/dev.c:1625) [ 20.468597][ T57] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.468602][ T57] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 20.468604][ T57] __linkwatch_run_queue (net/core/link_watch.c:240) [ 20.468607][ T57] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.468610][ T57] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.468615][ T57] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 20.468617][ T57] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 20.468620][ T57] process_one_work (kernel/workqueue.c:3387) [ 20.468627][ T57] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.468630][ T57] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.468638][ T57] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.468646][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.468648][ T57] kthread (kernel/kthread.c:436) [ 20.468650][ T57] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.468653][ T57] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.468656][ T57] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.468661][ T57] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.468664][ T57] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.468668][ T57] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.468671][ T57] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.509547][ T402] softirqs last disabled at (25256): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:119) | [ 21.509550][ T402] Preemption disabled at: | [ 21.509550][ T402] 0x0 | [ 21.509561][ T402] Tainted: [W]=WARN [ 21.509562][ T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.509564][ T402] Call Trace: [ 21.509565][ T402] [ 21.509566][ T402] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.509574][ T402] __might_resched.cold (kernel/sched/core.c:9234) [ 21.509578][ T402] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.509582][ T402] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.509587][ T402] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 21.509589][ T402] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.509595][ T402] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 21.509598][ T402] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.509602][ T402] put_chars (drivers/char/virtio_console.c:1176) [ 21.509605][ T402] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.509606][ T402] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.509610][ T402] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.509615][ T402] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.509624][ T402] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.509626][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.509628][ T402] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.509633][ T402] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.509637][ T402] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.509639][ T402] ? 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)) [ 21.509642][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.509644][ T402] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.509648][ T402] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.509653][ T402] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.509655][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.509660][ T402] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.509663][ T402] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.509665][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.509667][ T402] ? 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) [ 21.509671][ T402] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.509673][ T402] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.509676][ T402] vprintk_emit (kernel/printk/printk.c:2479) [ 21.509679][ T402] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.509681][ T402] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.509683][ T402] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.509688][ T402] _printk (kernel/printk/printk.c:2504) [ 21.509691][ T402] ? snapshot_read.cold (user.c:?) [ 21.509697][ T402] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.509701][ T402] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 21.509706][ T402] br_init_port (net/bridge/br_stp_if.c:39) [ 21.509708][ T402] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 21.509710][ T402] br_device_event (net/bridge/br.c:120) [ 21.509713][ T402] ? packet_sendmsg_spkt (af_packet.c:?) [ 21.509715][ T402] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 21.509722][ T402] notifier_call_chain (kernel/notifier.c:85) [ 21.509728][ T402] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853) [ 21.509734][ T402] ? netif_change_name (net/core/dev.c:1517) [ 21.509738][ T402] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 21.509741][ T402] ? write_profile (profile.c:?) [ 21.509747][ T402] netif_change_flags (net/core/dev.c:9882) [ 21.509751][ T402] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 21.509754][ T402] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 21.509756][ T402] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 21.509758][ T402] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 21.509760][ T402] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 21.509763][ T402] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.509765][ T402] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.509767][ T402] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.509770][ T402] ? kasan_save_stack (mm/kasan/common.c:58) [ 21.509772][ T402] ? kasan_save_stack (mm/kasan/common.c:57) [ 21.509773][ T402] ? kasan_save_track (mm/kasan/common.c:78) [ 21.509775][ T402] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 21.509777][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.509779][ T402] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 21.509782][ T402] ? ___sys_sendmsg (net/socket.c:2758) [ 21.509786][ T402] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.509788][ T402] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.509791][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.509793][ T402] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.509794][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.509795][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.509797][ T402] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 21.509800][ T402] ? __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) [ 21.509802][ T402] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.509805][ T402] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.509808][ T402] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 21.509812][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.509814][ T402] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 21.509820][ T402] rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.509825][ T402] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.509827][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.509832][ T402] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.509834][ T402] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.509837][ T402] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.509839][ T402] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.509843][ T402] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.509845][ T402] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.509848][ T402] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.509849][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.509854][ T402] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.509856][ T402] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.509860][ T402] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.509862][ T402] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.509865][ T402] ? netlink_ack (./include/linux/skbuff.h:2718) [ 21.509872][ T402] ? 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)) [ 21.509874][ T402] ? 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)) [ 21.509885][ T402] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.509889][ T402] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 21.509891][ T402] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.509896][ T402] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.509900][ T402] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.509904][ T402] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.509906][ T402] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 21.509912][ T402] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.509915][ T402] ____sys_sendmsg (net/socket.c:2713) [ 21.509917][ T402] ? copy_msghdr_from_user (net/socket.c:2650) [ 21.509919][ T402] ? sock_write_iter (net/socket.c:1269) [ 21.509921][ T402] ? move_addr_to_kernel (net/socket.c:258) [ 21.509929][ T402] ___sys_sendmsg (net/socket.c:2767) [ 21.509932][ T402] ? copy_msghdr_from_user (net/socket.c:2619) [ 21.509949][ T402] __sys_sendmsg (net/socket.c:2799) [ 21.509952][ T402] ? __sys_sendmsg_sock (net/socket.c:2780) [ 21.509959][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.509962][ T402] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.509965][ T402] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.509968][ T402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.509970][ T402] RIP: 0033:0x7fece23d454e [ 21.509973][ T402] 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 [ 21.509974][ T402] RSP: 002b:00007ffdc35f6590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.509977][ T402] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fece23d454e [ 21.509978][ T402] RDX: 0000000000000000 RSI: 00007ffdc35f6640 RDI: 0000000000000005 [ 21.509979][ T402] RBP: 00007ffdc35f65a0 R08: 0000000000000000 R09: 0000000000000000 [ 21.509980][ T402] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac52 [ 21.509981][ T402] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc35f6d10 | [ 22.638055][ T45] softirqs last disabled at (47462): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 22.638057][ T45] Preemption disabled at: | [ 22.638058][ T45] 0x0 | [ 22.638069][ T45] Tainted: [W]=WARN [ 22.638070][ T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.638071][ T45] Workqueue: events_unbound linkwatch_event [ 22.638075][ T45] Call Trace: [ 22.638076][ T45] [ 22.638078][ T45] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.638085][ T45] __might_resched.cold (kernel/sched/core.c:9234) [ 22.638089][ T45] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.638093][ T45] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.638098][ T45] __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)) [ 22.638100][ T45] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.638107][ T45] ? 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) [ 22.638110][ T45] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.638114][ T45] put_chars (drivers/char/virtio_console.c:1176) [ 22.638116][ T45] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.638120][ T45] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.638123][ T45] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.638128][ T45] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.638132][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.638134][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.638139][ T45] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.638143][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.638145][ T45] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.638150][ T45] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.638154][ T45] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.638156][ T45] ? 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)) [ 22.638159][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.638161][ T45] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.638166][ T45] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.638170][ T45] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.638172][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.638178][ T45] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.638181][ T45] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.638183][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.638185][ T45] ? 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) [ 22.638189][ T45] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.638191][ T45] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.638194][ T45] vprintk_emit (kernel/printk/printk.c:2479) [ 22.638197][ T45] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.638198][ T45] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.638201][ T45] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.638204][ T45] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.638207][ T45] _printk (kernel/printk/printk.c:2504) [ 22.638211][ T45] ? snapshot_read.cold (user.c:?) [ 22.638214][ T45] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 22.638221][ T45] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 22.638226][ T45] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 22.638232][ T45] br_port_carrier_check (net/bridge/br_if.c:95) [ 22.638236][ T45] br_device_event (net/bridge/br.c:101) [ 22.638240][ T45] ? packet_sendmsg_spkt (af_packet.c:?) [ 22.638246][ T45] notifier_call_chain (kernel/notifier.c:85) [ 22.638252][ T45] netif_state_change (net/core/dev.c:1625) [ 22.638256][ T45] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 22.638260][ T45] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.638264][ T45] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 22.638267][ T45] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 22.638269][ T45] __linkwatch_run_queue (net/core/link_watch.c:240) [ 22.638272][ T45] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.638275][ T45] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.638280][ T45] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 22.638282][ T45] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 22.638286][ T45] process_one_work (kernel/workqueue.c:3387) [ 22.638293][ T45] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.638296][ T45] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.638304][ T45] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.638312][ T45] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.638314][ T45] kthread (kernel/kthread.c:436) [ 22.638317][ T45] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.638320][ T45] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.638323][ T45] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.638327][ T45] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.638331][ T45] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.638334][ T45] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.638337][ T45] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 24.660194][ T493] softirqs last disabled at (26662): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 24.660197][ T493] Preemption disabled at: | [ 24.660198][ T493] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.660207][ T493] Tainted: [W]=WARN [ 24.660207][ T493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.660209][ T493] Call Trace: [ 24.660210][ T493] [ 24.660212][ T493] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.660218][ T493] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.660219][ T493] __might_resched.cold (kernel/sched/core.c:9234) [ 24.660224][ T493] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.660231][ T493] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.660236][ T493] __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)) [ 24.660237][ T493] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.660244][ T493] ? 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) [ 24.660246][ T493] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.660250][ T493] put_chars (drivers/char/virtio_console.c:1176) [ 24.660252][ T493] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.660258][ T493] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.660266][ T493] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.660269][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.660273][ T493] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.660277][ T493] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.660279][ T493] ? 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)) [ 24.660282][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.660285][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.660289][ T493] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.660293][ T493] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.660295][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.660300][ T493] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.660303][ T493] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.660305][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.660306][ T493] ? 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) [ 24.660310][ T493] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.660312][ T493] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.660314][ T493] vprintk_emit (kernel/printk/printk.c:2479) [ 24.660317][ T493] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.660320][ T493] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 24.660325][ T493] _printk (kernel/printk/printk.c:2504) [ 24.660329][ T493] ? snapshot_read.cold (user.c:?) [ 24.660330][ T493] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.660333][ T493] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.660335][ T493] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.660338][ T493] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 24.660341][ T493] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 24.660344][ T493] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 24.660346][ T493] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 24.660349][ T493] ? netdev_notice (net/core/dev.c:13194) [ 24.660352][ T493] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.660355][ T493] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.660357][ T493] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 24.660361][ T493] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 24.660363][ T493] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 24.660365][ T493] ? register_netdev (net/core/dev.c:11618) [ 24.660366][ T493] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 24.660372][ T493] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 24.660374][ T493] ? __kernel_text_address (kernel/extable.c:79) [ 24.660377][ T493] ? write_profile (profile.c:?) [ 24.660381][ T493] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 24.660387][ T493] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 24.660390][ T493] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 24.660392][ T493] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 24.660393][ T493] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 24.660395][ T493] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 24.660398][ T493] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.660400][ T493] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.660402][ T493] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.660404][ T493] ? kasan_save_stack (mm/kasan/common.c:58) [ 24.660406][ T493] ? kasan_save_stack (mm/kasan/common.c:57) [ 24.660407][ T493] ? kasan_save_track (mm/kasan/common.c:78) [ 24.660409][ T493] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 24.660411][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.660413][ T493] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 24.660416][ T493] ? ___sys_sendmsg (net/socket.c:2758) [ 24.660419][ T493] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.660422][ T493] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 24.660424][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.660426][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.660427][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.660428][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.660430][ T493] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 24.660432][ T493] ? __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) [ 24.660434][ T493] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 24.660436][ T493] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 24.660439][ T493] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 24.660440][ T493] ? nla_get_range_signed (lib/nlattr.c:270) [ 24.660445][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.660447][ T493] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 24.660452][ T493] rtnl_newlink (net/core/rtnetlink.c:4215) [ 24.660457][ T493] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.660459][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.660463][ T493] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.660465][ T493] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.660467][ T493] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.660469][ T493] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.660472][ T493] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.660474][ T493] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.660477][ T493] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.660479][ T493] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.660483][ T493] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.660485][ T493] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.660488][ T493] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 24.660492][ T493] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.660495][ T493] ? netlink_ack (./include/linux/skbuff.h:2718) [ 24.660501][ T493] ? 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)) [ 24.660503][ T493] ? 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)) [ 24.660508][ T493] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 24.660512][ T493] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.660514][ T493] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.660518][ T493] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 24.660522][ T493] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.660526][ T493] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.660528][ T493] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 24.660533][ T493] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 24.660535][ T493] ____sys_sendmsg (net/socket.c:2713) [ 24.660538][ T493] ? copy_msghdr_from_user (net/socket.c:2650) [ 24.660540][ T493] ? sock_write_iter (net/socket.c:1269) [ 24.660541][ T493] ? move_addr_to_kernel (net/socket.c:258) [ 24.660548][ T493] ___sys_sendmsg (net/socket.c:2767) [ 24.660551][ T493] ? copy_msghdr_from_user (net/socket.c:2619) [ 24.660567][ T493] __sys_sendmsg (net/socket.c:2799) [ 24.660570][ T493] ? __sys_sendmsg_sock (net/socket.c:2780) [ 24.660576][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.660579][ T493] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.660582][ T493] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.660584][ T493] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.660587][ T493] RIP: 0033:0x7f936885454e [ 24.660590][ T493] 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 [ 24.660592][ T493] RSP: 002b:00007ffdf2502b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.660595][ T493] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f936885454e [ 24.660596][ T493] RDX: 0000000000000000 RSI: 00007ffdf2502c00 RDI: 0000000000000005 [ 24.660597][ T493] RBP: 00007ffdf2502b60 R08: 0000000000000000 R09: 0000000000000000 [ 24.660598][ T493] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac55 [ 24.660599][ T493] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf25032c0 | [ 25.789969][ T542] softirqs last disabled at (15822): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 25.789972][ T542] Preemption disabled at: | [ 25.789972][ T542] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.789981][ T542] Tainted: [W]=WARN [ 25.789982][ T542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.789984][ T542] Call Trace: [ 25.789985][ T542] [ 25.789986][ T542] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.789993][ T542] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.789994][ T542] __might_resched.cold (kernel/sched/core.c:9234) [ 25.789999][ T542] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.790003][ T542] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.790007][ T542] __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)) [ 25.790009][ T542] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.790016][ T542] ? 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) [ 25.790019][ T542] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.790022][ T542] put_chars (drivers/char/virtio_console.c:1176) [ 25.790025][ T542] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.790026][ T542] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.790029][ T542] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.790035][ T542] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.790042][ T542] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.790045][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.790047][ T542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.790051][ T542] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.790055][ T542] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.790057][ T542] ? 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)) [ 25.790060][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.790062][ T542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.790066][ T542] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.790070][ T542] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.790072][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.790077][ T542] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.790080][ T542] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.790082][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.790084][ T542] ? 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) [ 25.790087][ T542] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.790089][ T542] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.790092][ T542] vprintk_emit (kernel/printk/printk.c:2479) [ 25.790095][ T542] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.790096][ T542] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 25.790098][ T542] ? __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) [ 25.790101][ T542] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 25.790105][ T542] _printk (kernel/printk/printk.c:2504) [ 25.790108][ T542] ? snapshot_read.cold (user.c:?) [ 25.790111][ T542] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 25.790116][ T542] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 25.790120][ T542] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 25.790124][ T542] br_init_port (net/bridge/br_stp_if.c:39) [ 25.790127][ T542] new_nbp (net/bridge/br_if.c:449) [ 25.790130][ T542] br_add_if (net/bridge/br_if.c:592) [ 25.790133][ T542] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 25.790134][ T542] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 25.790141][ T542] do_set_master (net/core/rtnetlink.c:3071) [ 25.790144][ T542] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 25.790148][ T542] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 25.790151][ T542] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 25.790153][ T542] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 25.790155][ T542] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 25.790159][ T542] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.790163][ T542] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.790164][ T542] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.790167][ T542] ? kasan_save_stack (mm/kasan/common.c:58) [ 25.790169][ T542] ? kasan_save_stack (mm/kasan/common.c:57) [ 25.790170][ T542] ? kasan_save_track (mm/kasan/common.c:78) [ 25.790172][ T542] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 25.790174][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.790176][ T542] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 25.790179][ T542] ? ___sys_sendmsg (net/socket.c:2758) [ 25.790182][ T542] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.790184][ T542] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.790187][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.790188][ T542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.790190][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.790191][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.790193][ T542] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 25.790195][ T542] ? __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) [ 25.790196][ T542] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 25.790198][ T542] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.790201][ T542] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 25.790202][ T542] ? nla_get_range_signed (lib/nlattr.c:270) [ 25.790208][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.790210][ T542] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 25.790215][ T542] rtnl_newlink (net/core/rtnetlink.c:4215) [ 25.790220][ T542] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.790222][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.790226][ T542] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.790228][ T542] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.790230][ T542] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.790232][ T542] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.790236][ T542] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.790238][ T542] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.790241][ T542] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.790242][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.790247][ T542] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.790249][ T542] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.790252][ T542] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.790255][ T542] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.790258][ T542] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.790265][ T542] ? 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)) [ 25.790267][ T542] ? 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)) [ 25.790271][ T542] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.790275][ T542] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.790277][ T542] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.790282][ T542] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.790286][ T542] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.790289][ T542] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.790291][ T542] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 25.790296][ T542] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 25.790299][ T542] ____sys_sendmsg (net/socket.c:2713) [ 25.790301][ T542] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.790303][ T542] ? sock_write_iter (net/socket.c:1269) [ 25.790305][ T542] ? move_addr_to_kernel (net/socket.c:258) [ 25.790312][ T542] ___sys_sendmsg (net/socket.c:2767) [ 25.790315][ T542] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.790331][ T542] __sys_sendmsg (net/socket.c:2799) [ 25.790334][ T542] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.790340][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.790343][ T542] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.790346][ T542] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.790349][ T542] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.790351][ T542] RIP: 0033:0x7f2bf500d54e [ 25.790355][ T542] 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 [ 25.790357][ T542] RSP: 002b:00007fff2c816e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.790359][ T542] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2bf500d54e [ 25.790361][ T542] RDX: 0000000000000000 RSI: 00007fff2c816f00 RDI: 0000000000000005 [ 25.790362][ T542] RBP: 00007fff2c816e60 R08: 0000000000000000 R09: 0000000000000000 [ 25.790363][ T542] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac57 [ 25.790364][ T542] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2c8175d0 | [ 32.060084][ T95] softirqs last disabled at (8016): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 32.060087][ T95] Preemption disabled at: | [ 32.060088][ T95] 0x0 | [ 32.060098][ T95] Tainted: [W]=WARN [ 32.060099][ T95] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.060100][ T95] Workqueue: events_unbound linkwatch_event [ 32.060104][ T95] Call Trace: [ 32.060105][ T95] [ 32.060107][ T95] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.060113][ T95] __might_resched.cold (kernel/sched/core.c:9234) [ 32.060118][ T95] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.060122][ T95] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.060127][ T95] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 32.060129][ T95] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.060135][ T95] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.060138][ T95] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.060142][ T95] put_chars (drivers/char/virtio_console.c:1176) [ 32.060144][ T95] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.060148][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.060151][ T95] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.060155][ T95] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.060160][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.060162][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.060166][ T95] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.060170][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.060172][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.060177][ T95] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.060181][ T95] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.060183][ T95] ? 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)) [ 32.060186][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.060188][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.060192][ T95] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.060196][ T95] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.060198][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.060204][ T95] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.060207][ T95] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.060209][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.060210][ T95] ? 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) [ 32.060214][ T95] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.060216][ T95] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.060219][ T95] vprintk_emit (kernel/printk/printk.c:2479) [ 32.060222][ T95] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.060223][ T95] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.060230][ T95] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.060233][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.060237][ T95] _printk (kernel/printk/printk.c:2504) [ 32.060241][ T95] ? snapshot_read.cold (user.c:?) [ 32.060244][ T95] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 32.060250][ T95] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 32.060255][ T95] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 32.060259][ T95] br_port_carrier_check (net/bridge/br_if.c:95) [ 32.060263][ T95] br_device_event (net/bridge/br.c:101) [ 32.060266][ T95] ? packet_sendmsg_spkt (af_packet.c:?) [ 32.060272][ T95] notifier_call_chain (kernel/notifier.c:85) [ 32.060278][ T95] netif_state_change (net/core/dev.c:1625) [ 32.060281][ T95] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 32.060286][ T95] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.060290][ T95] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 32.060292][ T95] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 32.060294][ T95] __linkwatch_run_queue (net/core/link_watch.c:240) [ 32.060297][ T95] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.060300][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.060305][ T95] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 32.060307][ T95] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 32.060310][ T95] process_one_work (kernel/workqueue.c:3387) [ 32.060317][ T95] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.060320][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.060328][ T95] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.060332][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.060335][ T95] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 32.060337][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.060340][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.060342][ T95] kthread (kernel/kthread.c:436) [ 32.060345][ T95] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.060348][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.060351][ T95] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.060356][ T95] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.060359][ T95] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.060362][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.060365][ T95] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 33.486525][ T45] softirqs last disabled at (106288): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 33.486528][ T45] Preemption disabled at: | [ 33.486529][ T45] 0x0 | [ 33.486540][ T45] Tainted: [W]=WARN [ 33.486541][ T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.486543][ T45] Workqueue: events_unbound linkwatch_event [ 33.486546][ T45] Call Trace: [ 33.486547][ T45] [ 33.486549][ T45] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.486555][ T45] __might_resched.cold (kernel/sched/core.c:9234) [ 33.486560][ T45] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.486564][ T45] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.486568][ T45] __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)) [ 33.486570][ T45] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.486577][ T45] ? 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) [ 33.486579][ T45] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.486583][ T45] put_chars (drivers/char/virtio_console.c:1176) [ 33.486586][ T45] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.486589][ T45] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.486592][ T45] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.486597][ T45] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.486601][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.486603][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.486608][ T45] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.486612][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.486614][ T45] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.486618][ T45] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.486622][ T45] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.486624][ T45] ? 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)) [ 33.486627][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.486629][ T45] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.486633][ T45] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.486638][ T45] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.486640][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.486645][ T45] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.486648][ T45] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.486650][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.486652][ T45] ? 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) [ 33.486656][ T45] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.486657][ T45] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.486660][ T45] vprintk_emit (kernel/printk/printk.c:2479) [ 33.486664][ T45] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.486665][ T45] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.486667][ T45] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.486670][ T45] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.486673][ T45] _printk (kernel/printk/printk.c:2504) [ 33.486677][ T45] ? snapshot_read.cold (user.c:?) [ 33.486680][ T45] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 33.486687][ T45] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 33.486691][ T45] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 33.486695][ T45] br_port_carrier_check (net/bridge/br_if.c:95) [ 33.486699][ T45] br_device_event (net/bridge/br.c:101) [ 33.486702][ T45] ? packet_sendmsg_spkt (af_packet.c:?) [ 33.486708][ T45] notifier_call_chain (kernel/notifier.c:85) [ 33.486715][ T45] netif_state_change (net/core/dev.c:1625) [ 33.486718][ T45] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 33.486722][ T45] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.486726][ T45] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 33.486728][ T45] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 33.486730][ T45] __linkwatch_run_queue (net/core/link_watch.c:240) [ 33.486733][ T45] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.486736][ T45] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.486741][ T45] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 33.486743][ T45] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 33.486746][ T45] process_one_work (kernel/workqueue.c:3387) [ 33.486753][ T45] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.486756][ T45] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.486764][ T45] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.486771][ T45] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.486773][ T45] kthread (kernel/kthread.c:436) [ 33.486776][ T45] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.486779][ T45] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.486782][ T45] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.486786][ T45] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.486790][ T45] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.486793][ T45] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.486796][ T45] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 36.121055][ T39] softirqs last disabled at (84624): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 36.121058][ T39] Preemption disabled at: | [ 36.121058][ T39] 0x0 | [ 36.121069][ T39] Tainted: [W]=WARN [ 36.121070][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.121072][ T39] Workqueue: events_unbound linkwatch_event [ 36.121075][ T39] Call Trace: [ 36.121077][ T39] [ 36.121078][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.121085][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 36.121090][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.121094][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.121099][ T39] __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)) [ 36.121101][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.121108][ T39] ? 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) [ 36.121111][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.121114][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 36.121117][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.121120][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.121124][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.121128][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.121132][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.121134][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.121139][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.121143][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.121145][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.121149][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.121154][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.121155][ T39] ? 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)) [ 36.121159][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.121161][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.121165][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.121169][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.121171][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.121177][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.121180][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.121182][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.121183][ T39] ? 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) [ 36.121187][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.121189][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.121192][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 36.121195][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.121196][ T39] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.121199][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.121201][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.121205][ T39] _printk (kernel/printk/printk.c:2504) [ 36.121209][ T39] ? snapshot_read.cold (user.c:?) [ 36.121212][ T39] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 36.121218][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.121223][ T39] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 36.121229][ T39] br_port_carrier_check (net/bridge/br_if.c:95) [ 36.121233][ T39] br_device_event (net/bridge/br.c:101) [ 36.121237][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 36.121243][ T39] notifier_call_chain (kernel/notifier.c:85) [ 36.121249][ T39] netif_state_change (net/core/dev.c:1625) [ 36.121252][ T39] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 36.121256][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.121260][ T39] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 36.121262][ T39] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 36.121264][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 36.121268][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.121270][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.121275][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 36.121277][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 36.121281][ T39] process_one_work (kernel/workqueue.c:3387) [ 36.121288][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 36.121291][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.121299][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 36.121306][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 36.121308][ T39] kthread (kernel/kthread.c:436) [ 36.121311][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.121314][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.121317][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 36.121321][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 36.121325][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 36.121328][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.121331][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 37.180330][ T12] softirqs last disabled at (181767): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 37.180333][ T12] Preemption disabled at: | [ 37.180333][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 37.180343][ T12] Tainted: [W]=WARN [ 37.180344][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.180346][ T12] Workqueue: netns cleanup_net [ 37.180349][ T12] Call Trace: [ 37.180350][ T12] [ 37.180352][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.180358][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 37.180360][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 37.180365][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.180369][ 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) [ 37.180374][ 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)) [ 37.180376][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.180382][ 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) [ 37.180385][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.180389][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 37.180391][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.180393][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.180396][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.180399][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.180404][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.180408][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.180413][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.180417][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.180421][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.180426][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.180427][ 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)) [ 37.180431][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.180433][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.180437][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.180441][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.180443][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.180449][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.180452][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.180454][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.180455][ 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) [ 37.180459][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.180461][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.180464][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 37.180467][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.180468][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 37.180470][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 37.180472][ T12] ? kthread (kernel/kthread.c:436) [ 37.180474][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 37.180477][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 37.180482][ T12] _printk (kernel/printk/printk.c:2504) [ 37.180486][ T12] ? snapshot_read.cold (user.c:?) [ 37.180490][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 37.180495][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 37.180500][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.180504][ T12] ? netdev_notice (net/core/dev.c:13194) [ 37.180508][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.180510][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 37.180513][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 37.180515][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 37.180517][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 37.180522][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 37.180525][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 37.180532][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 37.180536][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 37.180539][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 37.180544][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 37.180545][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.180551][ T12] cleanup_net (net/core/net_namespace.c:706) [ 37.180554][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 37.180558][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.180560][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.180563][ T12] process_one_work (kernel/workqueue.c:3387) [ 37.180570][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 37.180573][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.180581][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 37.180588][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 37.180590][ T12] kthread (kernel/kthread.c:436) [ 37.180592][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 37.180595][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 37.180598][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 37.180601][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 37.180605][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 37.180608][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 37.180611][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 38.328999][ T777] softirqs last disabled at (16100): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 38.329003][ T777] Preemption disabled at: | [ 38.329004][ T777] vprintk_emit (kernel/printk/printk.c:2471) | [ 38.329015][ T777] Tainted: [W]=WARN [ 38.329017][ T777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.329019][ T777] Call Trace: [ 38.329021][ T777] [ 38.329023][ T777] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.329031][ T777] ? vprintk_emit (kernel/printk/printk.c:2471) [ 38.329034][ T777] __might_resched.cold (kernel/sched/core.c:9234) [ 38.329040][ T777] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.329046][ T777] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.329052][ T777] __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)) [ 38.329055][ T777] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.329065][ T777] ? 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) [ 38.329068][ T777] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.329074][ T777] put_chars (drivers/char/virtio_console.c:1176) [ 38.329078][ T777] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.329090][ T777] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.329101][ T777] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.329107][ T777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.329114][ T777] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.329121][ T777] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.329123][ T777] ? 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)) [ 38.329129][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.329132][ T777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.329139][ T777] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.329146][ T777] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.329149][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.329159][ T777] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.329163][ T777] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.329166][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.329169][ T777] ? 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) [ 38.329175][ T777] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.329178][ T777] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.329183][ T777] vprintk_emit (kernel/printk/printk.c:2479) [ 38.329188][ T777] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.329192][ T777] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 38.329200][ T777] _printk (kernel/printk/printk.c:2504) [ 38.329206][ T777] ? snapshot_read.cold (user.c:?) [ 38.329208][ T777] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.329213][ T777] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.329217][ T777] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.329220][ T777] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 38.329229][ T777] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 38.329234][ T777] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 38.329237][ T777] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.329242][ T777] ? netdev_notice (net/core/dev.c:13194) [ 38.329246][ T777] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.329251][ T777] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.329256][ T777] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 38.329262][ T777] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 38.329265][ T777] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 38.329269][ T777] ? register_netdev (net/core/dev.c:11618) [ 38.329271][ T777] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 38.329279][ T777] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 38.329283][ T777] ? __kernel_text_address (kernel/extable.c:79) [ 38.329287][ T777] ? write_profile (profile.c:?) [ 38.329293][ T777] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 38.329302][ T777] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 38.329308][ T777] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 38.329311][ T777] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 38.329313][ T777] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 38.329316][ T777] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 38.329321][ T777] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.329325][ T777] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.329327][ T777] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.329331][ T777] ? kasan_save_stack (mm/kasan/common.c:58) [ 38.329334][ T777] ? kasan_save_stack (mm/kasan/common.c:57) [ 38.329336][ T777] ? kasan_save_track (mm/kasan/common.c:78) [ 38.329338][ T777] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 38.329342][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.329345][ T777] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 38.329349][ T777] ? ___sys_sendmsg (net/socket.c:2758) [ 38.329356][ T777] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.329359][ T777] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.329363][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.329367][ T777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.329369][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.329371][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.329374][ T777] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 38.329378][ T777] ? __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) [ 38.329380][ T777] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.329383][ T777] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.329389][ T777] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 38.329391][ T777] ? nla_get_range_signed (lib/nlattr.c:270) [ 38.329399][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.329403][ T777] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 38.329413][ T777] rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.329422][ T777] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.329426][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.329434][ T777] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.329437][ T777] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.329440][ T777] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.329443][ T777] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.329450][ T777] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.329453][ T777] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.329459][ T777] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.329461][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.329469][ T777] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.329472][ T777] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.329478][ T777] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.329483][ T777] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.329488][ T777] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.329500][ T777] ? 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)) [ 38.329503][ T777] ? 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)) [ 38.329511][ T777] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.329518][ T777] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.329522][ T777] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.329529][ T777] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.329536][ T777] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.329543][ T777] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.329545][ T777] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 38.329554][ T777] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 38.329558][ T777] ____sys_sendmsg (net/socket.c:2713) [ 38.329562][ T777] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.329566][ T777] ? sock_write_iter (net/socket.c:1269) [ 38.329568][ T777] ? move_addr_to_kernel (net/socket.c:258) [ 38.329582][ T777] ___sys_sendmsg (net/socket.c:2767) [ 38.329586][ T777] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.329616][ T777] __sys_sendmsg (net/socket.c:2799) [ 38.329620][ T777] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.329632][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.329637][ T777] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.329641][ T777] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.329646][ T777] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.329650][ T777] RIP: 0033:0x7f576c01754e [ 38.329655][ T777] 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 [ 38.329657][ T777] RSP: 002b:00007ffdb7431430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.329661][ T777] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f576c01754e [ 38.329663][ T777] RDX: 0000000000000000 RSI: 00007ffdb74314e0 RDI: 0000000000000005 [ 38.329664][ T777] RBP: 00007ffdb7431440 R08: 0000000000000000 R09: 0000000000000000 [ 38.329665][ T777] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac63 [ 38.329667][ T777] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb7431ba0 | [ 39.360420][ T826] softirqs last disabled at (23398): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 39.360422][ T826] Preemption disabled at: | [ 39.360423][ T826] vprintk_emit (kernel/printk/printk.c:2471) | [ 39.360432][ T826] Tainted: [W]=WARN [ 39.360433][ T826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.360434][ T826] Call Trace: [ 39.360436][ T826] [ 39.360437][ T826] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.360444][ T826] ? vprintk_emit (kernel/printk/printk.c:2471) [ 39.360445][ T826] __might_resched.cold (kernel/sched/core.c:9234) [ 39.360449][ T826] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.360454][ T826] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.360458][ T826] __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)) [ 39.360460][ T826] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.360467][ T826] ? 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) [ 39.360470][ T826] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.360473][ T826] put_chars (drivers/char/virtio_console.c:1176) [ 39.360476][ T826] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.360477][ T826] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.360480][ T826] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.360486][ T826] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.360495][ T826] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.360498][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.360500][ T826] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.360504][ T826] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.360508][ T826] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.360510][ T826] ? 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)) [ 39.360513][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.360515][ T826] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.360519][ T826] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.360523][ T826] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.360525][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.360530][ T826] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.360533][ T826] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.360535][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.360536][ T826] ? 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) [ 39.360540][ T826] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.360542][ T826] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.360545][ T826] vprintk_emit (kernel/printk/printk.c:2479) [ 39.360548][ T826] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.360549][ T826] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 39.360551][ T826] ? __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) [ 39.360554][ T826] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 39.360558][ T826] _printk (kernel/printk/printk.c:2504) [ 39.360561][ T826] ? snapshot_read.cold (user.c:?) [ 39.360564][ T826] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 39.360569][ T826] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 39.360573][ T826] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 39.360577][ T826] br_init_port (net/bridge/br_stp_if.c:39) [ 39.360580][ T826] new_nbp (net/bridge/br_if.c:449) [ 39.360583][ T826] br_add_if (net/bridge/br_if.c:592) [ 39.360586][ T826] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 39.360587][ T826] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 39.360594][ T826] do_set_master (net/core/rtnetlink.c:3071) [ 39.360597][ T826] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 39.360601][ T826] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 39.360604][ T826] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 39.360605][ T826] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 39.360608][ T826] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 39.360611][ T826] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.360613][ T826] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.360615][ T826] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.360617][ T826] ? kasan_save_stack (mm/kasan/common.c:58) [ 39.360620][ T826] ? kasan_save_stack (mm/kasan/common.c:57) [ 39.360621][ T826] ? kasan_save_track (mm/kasan/common.c:78) [ 39.360622][ T826] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 39.360624][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.360626][ T826] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 39.360629][ T826] ? ___sys_sendmsg (net/socket.c:2758) [ 39.360633][ T826] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.360635][ T826] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 39.360637][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.360639][ T826] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.360640][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.360641][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.360643][ T826] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 39.360645][ T826] ? __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) [ 39.360646][ T826] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 39.360648][ T826] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 39.360651][ T826] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 39.360653][ T826] ? nla_get_range_signed (lib/nlattr.c:270) [ 39.360657][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.360660][ T826] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 39.360665][ T826] rtnl_newlink (net/core/rtnetlink.c:4215) [ 39.360670][ T826] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.360672][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.360677][ T826] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.360678][ T826] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.360681][ T826] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.360683][ T826] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.360686][ T826] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.360688][ T826] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 39.360691][ T826] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.360693][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.360697][ T826] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.360699][ T826] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.360702][ T826] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 39.360705][ T826] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.360708][ T826] ? netlink_ack (./include/linux/skbuff.h:2718) [ 39.360715][ T826] ? 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)) [ 39.360717][ T826] ? 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)) [ 39.360721][ T826] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 39.360725][ T826] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.360728][ T826] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.360732][ T826] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 39.360736][ T826] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.360739][ T826] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.360741][ T826] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 39.360747][ T826] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 39.360749][ T826] ____sys_sendmsg (net/socket.c:2713) [ 39.360752][ T826] ? copy_msghdr_from_user (net/socket.c:2650) [ 39.360754][ T826] ? sock_write_iter (net/socket.c:1269) [ 39.360755][ T826] ? move_addr_to_kernel (net/socket.c:258) [ 39.360763][ T826] ___sys_sendmsg (net/socket.c:2767) [ 39.360765][ T826] ? copy_msghdr_from_user (net/socket.c:2619) [ 39.360782][ T826] __sys_sendmsg (net/socket.c:2799) [ 39.360784][ T826] ? __sys_sendmsg_sock (net/socket.c:2780) [ 39.360791][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.360794][ T826] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.360797][ T826] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.360800][ T826] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.360802][ T826] RIP: 0033:0x7fcfb351854e [ 39.360806][ T826] 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 [ 39.360807][ T826] RSP: 002b:00007ffee2a38730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.360810][ T826] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcfb351854e [ 39.360811][ T826] RDX: 0000000000000000 RSI: 00007ffee2a387e0 RDI: 0000000000000005 [ 39.360812][ T826] RBP: 00007ffee2a38740 R08: 0000000000000000 R09: 0000000000000000 [ 39.360813][ T826] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac64 [ 39.360814][ T826] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee2a38eb0 | [ 45.374407][ T95] softirqs last disabled at (72410): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 45.374409][ T95] Preemption disabled at: | [ 45.374410][ T95] 0x0 | [ 45.374421][ T95] Tainted: [W]=WARN [ 45.374422][ T95] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.374423][ T95] Workqueue: events_unbound linkwatch_event [ 45.374427][ T95] Call Trace: [ 45.374428][ T95] [ 45.374429][ T95] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.374436][ T95] __might_resched.cold (kernel/sched/core.c:9234) [ 45.374441][ T95] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.374444][ T95] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.374449][ T95] __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)) [ 45.374451][ T95] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.374458][ T95] ? 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) [ 45.374461][ T95] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.374465][ T95] put_chars (drivers/char/virtio_console.c:1176) [ 45.374468][ T95] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.374471][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.374474][ T95] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.374478][ T95] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.374483][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.374485][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.374489][ T95] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.374493][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.374495][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.374499][ T95] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.374504][ T95] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.374505][ T95] ? 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)) [ 45.374509][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.374510][ T95] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.374514][ T95] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.374519][ T95] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.374521][ T95] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.374526][ T95] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.374529][ T95] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.374531][ T95] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.374533][ T95] ? 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) [ 45.374537][ T95] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.374538][ T95] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.374541][ T95] vprintk_emit (kernel/printk/printk.c:2479) [ 45.374544][ T95] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.374546][ T95] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.374548][ T95] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.374551][ T95] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.374554][ T95] _printk (kernel/printk/printk.c:2504) [ 45.374558][ T95] ? snapshot_read.cold (user.c:?) [ 45.374561][ T95] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 45.374567][ T95] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 45.374572][ T95] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 45.374575][ T95] br_port_carrier_check (net/bridge/br_if.c:95) [ 45.374579][ T95] br_device_event (net/bridge/br.c:101) [ 45.374583][ T95] ? packet_sendmsg_spkt (af_packet.c:?) [ 45.374589][ T95] notifier_call_chain (kernel/notifier.c:85) [ 45.374595][ T95] netif_state_change (net/core/dev.c:1625) [ 45.374599][ T95] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 45.374603][ T95] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.374607][ T95] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 45.374609][ T95] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 45.374611][ T95] __linkwatch_run_queue (net/core/link_watch.c:240) [ 45.374614][ T95] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.374616][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.374621][ T95] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 45.374623][ T95] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 45.374626][ T95] process_one_work (kernel/workqueue.c:3387) [ 45.374633][ T95] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.374636][ T95] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.374644][ T95] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.374648][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.374651][ T95] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 45.374653][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.374656][ T95] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.374658][ T95] kthread (kernel/kthread.c:436) [ 45.374660][ T95] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.374664][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.374667][ T95] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.374671][ T95] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.374674][ T95] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.374678][ T95] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.374681][ T95] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 49.068452][ T12] softirqs last disabled at (249283): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 49.068454][ T12] Preemption disabled at: | [ 49.068454][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 49.068464][ T12] Tainted: [W]=WARN [ 49.068465][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.068466][ T12] Workqueue: netns cleanup_net [ 49.068469][ T12] Call Trace: [ 49.068471][ T12] [ 49.068473][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.068479][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 49.068480][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 49.068485][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.068488][ 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) [ 49.068493][ 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)) [ 49.068495][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.068502][ 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) [ 49.068504][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.068508][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 49.068511][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.068512][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.068516][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.068519][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.068523][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.068527][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.068533][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.068536][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.068541][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.068545][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.068547][ 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)) [ 49.068550][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.068552][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.068556][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.068561][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.068563][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.068568][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.068571][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.068573][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.068575][ 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) [ 49.068579][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.068581][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.068583][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 49.068587][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.068588][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 49.068590][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.068592][ T12] ? kthread (kernel/kthread.c:436) [ 49.068594][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 49.068597][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 49.068602][ T12] _printk (kernel/printk/printk.c:2504) [ 49.068605][ T12] ? snapshot_read.cold (user.c:?) [ 49.068610][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 49.068614][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 49.068618][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 49.068621][ T12] ? netdev_notice (net/core/dev.c:13194) [ 49.068625][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.068627][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 49.068629][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 49.068631][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 49.068634][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 49.068638][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 49.068642][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 49.068648][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 49.068652][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 49.068655][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 49.068659][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 49.068663][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 49.068664][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.068668][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 49.068672][ T12] cleanup_net (net/core/net_namespace.c:706) [ 49.068675][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 49.068679][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.068681][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.068685][ T12] process_one_work (kernel/workqueue.c:3387) [ 49.068691][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.068694][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.068702][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.068709][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.068712][ T12] kthread (kernel/kthread.c:436) [ 49.068713][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.068717][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.068720][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.068723][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.068726][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.068730][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.068733][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 50.514195][ T1032] softirqs last disabled at (17166): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 50.514199][ T1032] Preemption disabled at: | [ 50.514199][ T1032] vprintk_emit (kernel/printk/printk.c:2471) | [ 50.514211][ T1032] Tainted: [W]=WARN [ 50.514212][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.514214][ T1032] Call Trace: [ 50.514216][ T1032] [ 50.514218][ T1032] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.514230][ T1032] ? vprintk_emit (kernel/printk/printk.c:2471) [ 50.514232][ T1032] __might_resched.cold (kernel/sched/core.c:9234) [ 50.514238][ T1032] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.514244][ T1032] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 50.514250][ T1032] __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)) [ 50.514254][ T1032] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.514263][ T1032] ? 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) [ 50.514267][ T1032] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.514273][ T1032] put_chars (drivers/char/virtio_console.c:1176) [ 50.514277][ T1032] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.514288][ T1032] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.514300][ T1032] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.514306][ T1032] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.514313][ T1032] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.514320][ T1032] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.514323][ T1032] ? 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)) [ 50.514328][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.514332][ T1032] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.514339][ T1032] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.514346][ T1032] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.514349][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.514358][ T1032] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.514363][ T1032] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.514366][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.514369][ T1032] ? 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) [ 50.514375][ T1032] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.514378][ T1032] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.514383][ T1032] vprintk_emit (kernel/printk/printk.c:2479) [ 50.514388][ T1032] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.514393][ T1032] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 50.514401][ T1032] _printk (kernel/printk/printk.c:2504) [ 50.514406][ T1032] ? snapshot_read.cold (user.c:?) [ 50.514409][ T1032] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.514413][ T1032] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 50.514417][ T1032] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.514421][ T1032] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 50.514426][ T1032] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 50.514430][ T1032] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 50.514434][ T1032] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 50.514439][ T1032] ? netdev_notice (net/core/dev.c:13194) [ 50.514443][ T1032] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.514448][ T1032] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.514452][ T1032] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 50.514458][ T1032] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 50.514462][ T1032] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 50.514465][ T1032] ? register_netdev (net/core/dev.c:11618) [ 50.514468][ T1032] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 50.514476][ T1032] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 50.514480][ T1032] ? __kernel_text_address (kernel/extable.c:79) [ 50.514483][ T1032] ? write_profile (profile.c:?) [ 50.514489][ T1032] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 50.514498][ T1032] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 50.514504][ T1032] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 50.514508][ T1032] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 50.514510][ T1032] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 50.514513][ T1032] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 50.514518][ T1032] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.514521][ T1032] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 50.514524][ T1032] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.514528][ T1032] ? kasan_save_stack (mm/kasan/common.c:58) [ 50.514531][ T1032] ? kasan_save_stack (mm/kasan/common.c:57) [ 50.514533][ T1032] ? kasan_save_track (mm/kasan/common.c:78) [ 50.514535][ T1032] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 50.514539][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.514542][ T1032] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 50.514546][ T1032] ? ___sys_sendmsg (net/socket.c:2758) [ 50.514553][ T1032] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.514556][ T1032] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 50.514560][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.514563][ T1032] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.514566][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.514568][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.514571][ T1032] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 50.514574][ T1032] ? __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) [ 50.514577][ T1032] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 50.514580][ T1032] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 50.514586][ T1032] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 50.514588][ T1032] ? nla_get_range_signed (lib/nlattr.c:270) [ 50.514596][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.514600][ T1032] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 50.514610][ T1032] rtnl_newlink (net/core/rtnetlink.c:4215) [ 50.514620][ T1032] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.514623][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.514631][ T1032] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.514634][ T1032] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.514637][ T1032] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.514640][ T1032] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.514647][ T1032] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.514650][ T1032] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 50.514656][ T1032] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 50.514658][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.514666][ T1032] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.514669][ T1032] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.514675][ T1032] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 50.514680][ T1032] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 50.514685][ T1032] ? netlink_ack (./include/linux/skbuff.h:2718) [ 50.514696][ T1032] ? 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)) [ 50.514699][ T1032] ? 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)) [ 50.514707][ T1032] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 50.514714][ T1032] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 50.514718][ T1032] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.514726][ T1032] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 50.514732][ T1032] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 50.514739][ T1032] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.514742][ T1032] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 50.514750][ T1032] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 50.514755][ T1032] ____sys_sendmsg (net/socket.c:2713) [ 50.514759][ T1032] ? copy_msghdr_from_user (net/socket.c:2650) [ 50.514762][ T1032] ? sock_write_iter (net/socket.c:1269) [ 50.514765][ T1032] ? move_addr_to_kernel (net/socket.c:258) [ 50.514778][ T1032] ___sys_sendmsg (net/socket.c:2767) [ 50.514783][ T1032] ? copy_msghdr_from_user (net/socket.c:2619) [ 50.514812][ T1032] __sys_sendmsg (net/socket.c:2799) [ 50.514817][ T1032] ? __sys_sendmsg_sock (net/socket.c:2780) [ 50.514828][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.514834][ T1032] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 50.514837][ T1032] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 50.514842][ T1032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 50.514845][ T1032] RIP: 0033:0x7fe319c6854e [ 50.514851][ T1032] 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 [ 50.514853][ T1032] RSP: 002b:00007ffca7d35a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 50.514857][ T1032] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe319c6854e [ 50.514859][ T1032] RDX: 0000000000000000 RSI: 00007ffca7d35ad0 RDI: 0000000000000005 [ 50.514860][ T1032] RBP: 00007ffca7d35a30 R08: 0000000000000000 R09: 0000000000000000 [ 50.514861][ T1032] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac6f [ 50.514863][ T1032] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca7d36190 | [ 51.567052][ T1081] softirqs last disabled at (13618): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 51.567054][ T1081] Preemption disabled at: | [ 51.567055][ T1081] vprintk_emit (kernel/printk/printk.c:2471) | [ 51.567064][ T1081] Tainted: [W]=WARN [ 51.567065][ T1081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.567066][ T1081] Call Trace: [ 51.567068][ T1081] [ 51.567069][ T1081] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 51.567075][ T1081] ? vprintk_emit (kernel/printk/printk.c:2471) [ 51.567077][ T1081] __might_resched.cold (kernel/sched/core.c:9234) [ 51.567081][ T1081] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 51.567085][ T1081] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 51.567089][ T1081] __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)) [ 51.567091][ T1081] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.567098][ T1081] ? 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) [ 51.567100][ T1081] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.567104][ T1081] put_chars (drivers/char/virtio_console.c:1176) [ 51.567106][ T1081] ? __send_to_port (drivers/char/virtio_console.c:654) [ 51.567107][ T1081] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.567111][ T1081] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.567116][ T1081] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 51.567123][ T1081] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 51.567126][ T1081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.567128][ T1081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.567132][ T1081] console_emit_next_record (kernel/printk/printk.c:3183) [ 51.567136][ T1081] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 51.567138][ T1081] ? 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)) [ 51.567141][ T1081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.567142][ T1081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.567146][ T1081] console_flush_one_record (kernel/printk/printk.c:3268) [ 51.567151][ T1081] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 51.567152][ T1081] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.567158][ T1081] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 51.567160][ T1081] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 51.567162][ T1081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.567164][ T1081] ? 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) [ 51.567167][ T1081] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 51.567169][ T1081] ? vprintk_emit (kernel/printk/printk.c:2478) [ 51.567172][ T1081] vprintk_emit (kernel/printk/printk.c:2479) [ 51.567175][ T1081] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 51.567176][ T1081] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 51.567178][ T1081] ? __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) [ 51.567181][ T1081] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 51.567184][ T1081] _printk (kernel/printk/printk.c:2504) [ 51.567188][ T1081] ? snapshot_read.cold (user.c:?) [ 51.567191][ T1081] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 51.567196][ T1081] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 51.567200][ T1081] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 51.567204][ T1081] br_init_port (net/bridge/br_stp_if.c:39) [ 51.567206][ T1081] new_nbp (net/bridge/br_if.c:449) [ 51.567210][ T1081] br_add_if (net/bridge/br_if.c:592) [ 51.567212][ T1081] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 51.567214][ T1081] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 51.567220][ T1081] do_set_master (net/core/rtnetlink.c:3071) [ 51.567224][ T1081] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 51.567230][ T1081] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 51.567233][ T1081] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 51.567234][ T1081] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 51.567237][ T1081] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 51.567240][ T1081] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.567242][ T1081] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.567244][ T1081] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.567246][ T1081] ? kasan_save_stack (mm/kasan/common.c:58) [ 51.567249][ T1081] ? kasan_save_stack (mm/kasan/common.c:57) [ 51.567250][ T1081] ? kasan_save_track (mm/kasan/common.c:78) [ 51.567251][ T1081] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 51.567254][ T1081] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.567256][ T1081] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 51.567258][ T1081] ? ___sys_sendmsg (net/socket.c:2758) [ 51.567262][ T1081] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.567264][ T1081] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 51.567266][ T1081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.567268][ T1081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.567270][ T1081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.567271][ T1081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.567272][ T1081] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 51.567274][ T1081] ? __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) [ 51.567275][ T1081] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 51.567277][ T1081] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 51.567280][ T1081] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 51.567282][ T1081] ? nla_get_range_signed (lib/nlattr.c:270) [ 51.567286][ T1081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.567289][ T1081] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 51.567294][ T1081] rtnl_newlink (net/core/rtnetlink.c:4215) [ 51.567299][ T1081] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 51.567301][ T1081] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.567305][ T1081] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.567307][ T1081] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 51.567309][ T1081] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 51.567311][ T1081] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.567314][ T1081] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 51.567316][ T1081] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 51.567319][ T1081] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 51.567321][ T1081] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.567325][ T1081] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.567327][ T1081] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 51.567330][ T1081] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 51.567334][ T1081] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 51.567336][ T1081] ? netlink_ack (./include/linux/skbuff.h:2718) [ 51.567343][ T1081] ? 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)) [ 51.567344][ T1081] ? 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)) [ 51.567349][ T1081] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 51.567353][ T1081] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 51.567355][ T1081] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 51.567359][ T1081] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 51.567363][ T1081] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 51.567367][ T1081] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.567368][ T1081] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 51.567374][ T1081] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 51.567376][ T1081] ____sys_sendmsg (net/socket.c:2713) [ 51.567379][ T1081] ? copy_msghdr_from_user (net/socket.c:2650) [ 51.567381][ T1081] ? sock_write_iter (net/socket.c:1269) [ 51.567382][ T1081] ? move_addr_to_kernel (net/socket.c:258) [ 51.567390][ T1081] ___sys_sendmsg (net/socket.c:2767) [ 51.567392][ T1081] ? copy_msghdr_from_user (net/socket.c:2619) [ 51.567408][ T1081] __sys_sendmsg (net/socket.c:2799) [ 51.567411][ T1081] ? __sys_sendmsg_sock (net/socket.c:2780) [ 51.567417][ T1081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.567420][ T1081] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 51.567423][ T1081] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 51.567426][ T1081] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 51.567428][ T1081] RIP: 0033:0x7f794897154e [ 51.567432][ T1081] 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 [ 51.567433][ T1081] RSP: 002b:00007ffd66bb9a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 51.567436][ T1081] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f794897154e [ 51.567437][ T1081] RDX: 0000000000000000 RSI: 00007ffd66bb9ab0 RDI: 0000000000000005 [ 51.567438][ T1081] RBP: 00007ffd66bb9a10 R08: 0000000000000000 R09: 0000000000000000 [ 51.567439][ T1081] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac70 [ 51.567440][ T1081] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd66bba180 | [ 57.356879][ T45] softirqs last disabled at (179108): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 57.356881][ T45] Preemption disabled at: | [ 57.356882][ T45] 0x0 | [ 57.356893][ T45] Tainted: [W]=WARN [ 57.356893][ T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 57.356895][ T45] Workqueue: events_unbound linkwatch_event [ 57.356898][ T45] Call Trace: [ 57.356900][ T45] [ 57.356901][ T45] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 57.356908][ T45] __might_resched.cold (kernel/sched/core.c:9234) [ 57.356913][ T45] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 57.356917][ T45] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 57.356921][ T45] __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)) [ 57.356923][ T45] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.356930][ T45] ? 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) [ 57.356933][ T45] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.356937][ T45] put_chars (drivers/char/virtio_console.c:1176) [ 57.356939][ T45] ? __send_to_port (drivers/char/virtio_console.c:654) [ 57.356942][ T45] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 57.356946][ T45] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 57.356950][ T45] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 57.356955][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.356956][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.356961][ T45] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 57.356965][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.356967][ T45] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.356972][ T45] console_emit_next_record (kernel/printk/printk.c:3183) [ 57.356976][ T45] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 57.356978][ T45] ? 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)) [ 57.356981][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.356983][ T45] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.356987][ T45] console_flush_one_record (kernel/printk/printk.c:3268) [ 57.356992][ T45] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 57.356994][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.357000][ T45] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 57.357003][ T45] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 57.357005][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.357006][ T45] ? 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) [ 57.357010][ T45] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 57.357012][ T45] ? vprintk_emit (kernel/printk/printk.c:2478) [ 57.357015][ T45] vprintk_emit (kernel/printk/printk.c:2479) [ 57.357019][ T45] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 57.357020][ T45] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.357022][ T45] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 57.357025][ T45] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 57.357028][ T45] _printk (kernel/printk/printk.c:2504) [ 57.357032][ T45] ? snapshot_read.cold (user.c:?) [ 57.357040][ T45] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 57.357047][ T45] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 57.357052][ T45] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 57.357056][ T45] br_port_carrier_check (net/bridge/br_if.c:95) [ 57.357060][ T45] br_device_event (net/bridge/br.c:101) [ 57.357064][ T45] ? packet_sendmsg_spkt (af_packet.c:?) [ 57.357070][ T45] notifier_call_chain (kernel/notifier.c:85) [ 57.357076][ T45] netif_state_change (net/core/dev.c:1625) [ 57.357080][ T45] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 57.357084][ T45] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 57.357088][ T45] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 57.357091][ T45] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 57.357093][ T45] __linkwatch_run_queue (net/core/link_watch.c:240) [ 57.357096][ T45] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 57.357099][ T45] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.357103][ T45] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 57.357106][ T45] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 57.357109][ T45] process_one_work (kernel/workqueue.c:3387) [ 57.357116][ T45] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 57.357120][ T45] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.357128][ T45] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 57.357135][ T45] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 57.357137][ T45] kthread (kernel/kthread.c:436) [ 57.357140][ T45] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 57.357143][ T45] ? kthread_affine_preferred (kernel/kthread.c:857) [ 57.357146][ T45] ret_from_fork (arch/x86/kernel/process.c:158) [ 57.357151][ T45] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 57.357154][ T45] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 57.357158][ T45] ? kthread_affine_preferred (kernel/kthread.c:857) [ 57.357161][ T45] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 58.390512][ T45] softirqs last disabled at (198974): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 58.390514][ T45] Preemption disabled at: | [ 58.390515][ T45] 0x0 | [ 58.390526][ T45] Tainted: [W]=WARN [ 58.390526][ T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.390528][ T45] Workqueue: events_unbound linkwatch_event [ 58.390532][ T45] Call Trace: [ 58.390533][ T45] [ 58.390535][ T45] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.390541][ T45] __might_resched.cold (kernel/sched/core.c:9234) [ 58.390546][ T45] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.390550][ T45] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 58.390555][ T45] __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)) [ 58.390557][ T45] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.390563][ T45] ? 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) [ 58.390566][ T45] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.390570][ T45] put_chars (drivers/char/virtio_console.c:1176) [ 58.390572][ T45] ? __send_to_port (drivers/char/virtio_console.c:654) [ 58.390575][ T45] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 58.390578][ T45] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 58.390583][ T45] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 58.390588][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 58.390589][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 58.390594][ T45] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 58.390598][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.390600][ T45] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.390604][ T45] console_emit_next_record (kernel/printk/printk.c:3183) [ 58.390608][ T45] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 58.390610][ T45] ? 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)) [ 58.390614][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.390616][ T45] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.390620][ T45] console_flush_one_record (kernel/printk/printk.c:3268) [ 58.390624][ T45] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 58.390626][ T45] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 58.390632][ T45] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 58.390635][ T45] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 58.390636][ T45] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.390638][ T45] ? 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) [ 58.390642][ T45] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 58.390644][ T45] ? vprintk_emit (kernel/printk/printk.c:2478) [ 58.390647][ T45] vprintk_emit (kernel/printk/printk.c:2479) [ 58.390650][ T45] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 58.390651][ T45] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 58.390653][ T45] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 58.390656][ T45] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 58.390659][ T45] _printk (kernel/printk/printk.c:2504) [ 58.390663][ T45] ? snapshot_read.cold (user.c:?) [ 58.390666][ T45] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 58.390672][ T45] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 58.390677][ T45] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 58.390681][ T45] br_port_carrier_check (net/bridge/br_if.c:95) [ 58.390685][ T45] br_device_event (net/bridge/br.c:101) [ 58.390688][ T45] ? packet_sendmsg_spkt (af_packet.c:?) [ 58.390694][ T45] notifier_call_chain (kernel/notifier.c:85) [ 58.390700][ T45] netif_state_change (net/core/dev.c:1625) [ 58.390704][ T45] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 58.390708][ T45] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 58.390712][ T45] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 58.390714][ T45] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 58.390716][ T45] __linkwatch_run_queue (net/core/link_watch.c:240) [ 58.390719][ T45] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 58.390722][ T45] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 58.390726][ T45] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 58.390728][ T45] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 58.390732][ T45] process_one_work (kernel/workqueue.c:3387) [ 58.390738][ T45] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 58.390741][ T45] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 58.390749][ T45] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 58.390757][ T45] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 58.390759][ T45] kthread (kernel/kthread.c:436) [ 58.390761][ T45] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 58.390765][ T45] ? kthread_affine_preferred (kernel/kthread.c:857) [ 58.390768][ T45] ret_from_fork (arch/x86/kernel/process.c:158) [ 58.390772][ T45] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 58.390775][ T45] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 58.390779][ T45] ? kthread_affine_preferred (kernel/kthread.c:857) [ 58.390782][ T45] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 64.709403][ T12] softirqs last disabled at (365504): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 64.709405][ T12] Preemption disabled at: | [ 64.709406][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 64.709414][ T12] Tainted: [W]=WARN [ 64.709415][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.709417][ T12] Workqueue: netns cleanup_net [ 64.709420][ T12] Call Trace: [ 64.709421][ T12] [ 64.709423][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 64.709430][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 64.709431][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 64.709436][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 64.709439][ 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) [ 64.709444][ 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)) [ 64.709446][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.709452][ 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) [ 64.709455][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.709459][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 64.709461][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 64.709462][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 64.709466][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 64.709468][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 64.709473][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 64.709477][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 64.709483][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 64.709486][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.709490][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 64.709494][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 64.709496][ 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)) [ 64.709499][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.709501][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.709505][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 64.709509][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 64.709511][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 64.709516][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 64.709519][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 64.709521][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.709523][ 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) [ 64.709526][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 64.709528][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 64.709531][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 64.709534][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 64.709536][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 64.709537][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 64.709539][ T12] ? kthread (kernel/kthread.c:436) [ 64.709541][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 64.709544][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 64.709549][ T12] _printk (kernel/printk/printk.c:2504) [ 64.709553][ T12] ? snapshot_read.cold (user.c:?) [ 64.709557][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 64.709561][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 64.709565][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 64.709567][ T12] ? netdev_notice (net/core/dev.c:13194) [ 64.709572][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.709573][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 64.709576][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 64.709578][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 64.709580][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 64.709585][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 64.709588][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 64.709594][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 64.709598][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 64.709601][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 64.709605][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 64.709608][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 64.709610][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 64.709613][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 64.709618][ T12] cleanup_net (net/core/net_namespace.c:706) [ 64.709621][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 64.709625][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.709626][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.709630][ T12] process_one_work (kernel/workqueue.c:3387) [ 64.709636][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 64.709639][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 64.709647][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 64.709654][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 64.709656][ T12] kthread (kernel/kthread.c:436) [ 64.709658][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 64.709661][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 64.709664][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 64.709667][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 64.709670][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 64.709673][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 64.709676][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 66.006858][ C0] | [ 66.006859][ C0] | [ 66.006859][ C0] stack backtrace: | [ 66.006865][ C0] Tainted: [W]=WARN [ 66.006866][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.006867][ C0] Call Trace: [ 66.006868][ C0] [ 66.006869][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.006875][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 66.006878][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 66.006881][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 66.006885][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 66.006887][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 66.006890][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 66.006893][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.006895][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 66.006897][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.006900][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.006902][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 66.006905][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 66.006907][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 66.006909][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.006911][ C0] ? 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)) [ 66.006914][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.006915][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.006918][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.006921][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.006923][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.006925][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.006928][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.006930][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.006931][ C0] ? 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) [ 66.006933][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.006935][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.006937][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 66.006940][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.006944][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 66.006948][ C0] _printk (kernel/printk/printk.c:2504) [ 66.006950][ C0] ? snapshot_read.cold (user.c:?) [ 66.006952][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 66.006954][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.006957][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 66.006959][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 66.006961][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 66.006963][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 66.006965][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 66.006967][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 66.006970][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.006972][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.006974][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.006975][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 66.006977][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 66.006980][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 66.006982][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.006984][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.006987][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 66.006990][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 66.006991][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.006995][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.006996][ C0] handle_softirqs (kernel/softirq.c:645) [ 66.006998][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.007000][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 66.007002][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 66.007003][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 66.007005][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 66.007007][ C0] [ 66.007007][ C0] [ 66.007008][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 66.007010][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 66.007011][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 66.007014][ C0] 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 [ 66.007015][ C0] RSP: 0018:ffffffffa9407cf8 EFLAGS: 00000296 [ 66.007017][ C0] RAX: 000000000023b87f RBX: ffffffffa9430600 RCX: ffffffffa5b06247 [ 66.007019][ C0] RDX: ffffffffa9430600 RSI: ffffffffa8d11011 RDI: ffffffffa86949e0 [ 66.007019][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 66.007020][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5280fa2 [ 66.007021][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 66.007023][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 66.007026][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 66.007027][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 66.007029][ C0] default_idle_call (kernel/sched/idle.c:122) [ 66.007031][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 66.007032][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 66.007034][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 66.007037][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.007038][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.007040][ C0] do_idle (kernel/sched/idle.c:355) [ 66.007042][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 66.007044][ C0] rest_init (init/main.c:727) [ 66.007045][ C0] ? __cpuidle_text_end (??:?) [ 66.007048][ C0] ? rest_init (init/main.c:727) [ 66.007050][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 66.007053][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 66.007055][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 66.007057][ C0] start_kernel (init/main.c:1185) [ 66.007059][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 66.007061][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 66.007062][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 66.007089][ C0] softirqs last disabled at (2340993): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 66.007090][ C0] Preemption disabled at: | [ 66.007091][ C0] schedule_preempt_disabled (kernel/sched/core.c:7420) | [ 66.007097][ C0] Tainted: [W]=WARN [ 66.007097][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.007098][ C0] Call Trace: [ 66.007098][ C0] [ 66.007099][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.007101][ C0] ? schedule_preempt_disabled (kernel/sched/core.c:7420) [ 66.007103][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 66.007106][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.007109][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.007111][ C0] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 66.007112][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.007113][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.007116][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 66.007118][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.007120][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 66.007122][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.007124][ C0] ? mark_lock (kernel/locking/lockdep.c:4769) [ 66.007126][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.007129][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.007131][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.007132][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.007134][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.007136][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.007138][ C0] ? 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)) [ 66.007140][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.007141][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.007143][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.007146][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.007148][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.007150][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.007152][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.007154][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.007155][ C0] ? 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) [ 66.007157][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.007158][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.007160][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 66.007161][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.007163][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 66.007165][ C0] _printk (kernel/printk/printk.c:2504) [ 66.007166][ C0] ? snapshot_read.cold (user.c:?) [ 66.007168][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 66.007170][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.007172][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 66.007174][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 66.007175][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 66.007177][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 66.007180][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 66.007183][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 66.007185][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.007188][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.007190][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.007191][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 66.007193][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 66.007196][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 66.007197][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.007200][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.007203][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 66.007205][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 66.007207][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.007208][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.007209][ C0] handle_softirqs (kernel/softirq.c:645) [ 66.007211][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.007213][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 66.007215][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 66.007217][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 66.007218][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 66.007220][ C0] [ 66.007220][ C0] [ 66.007221][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 66.007222][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 66.007224][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 66.007229][ C0] 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 [ 66.007230][ C0] RSP: 0018:ffffffffa9407cf8 EFLAGS: 00000296 [ 66.007231][ C0] RAX: 000000000023b87f RBX: ffffffffa9430600 RCX: ffffffffa5b06247 [ 66.007232][ C0] RDX: ffffffffa9430600 RSI: ffffffffa8d11011 RDI: ffffffffa86949e0 [ 66.007233][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 66.007233][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5280fa2 [ 66.007234][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 66.007235][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 66.007238][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 66.007239][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 66.007241][ C0] default_idle_call (kernel/sched/idle.c:122) [ 66.007242][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 66.007244][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 66.007246][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 66.007247][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.007248][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.007250][ C0] do_idle (kernel/sched/idle.c:355) [ 66.007251][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 66.007253][ C0] rest_init (init/main.c:727) [ 66.007255][ C0] ? __cpuidle_text_end (??:?) [ 66.007257][ C0] ? rest_init (init/main.c:727) [ 66.007259][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 66.007261][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 66.007262][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 66.007264][ C0] start_kernel (init/main.c:1185) [ 66.007266][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 66.007267][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 66.007269][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 72.199338][ T57] softirqs last disabled at (376669): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 72.199341][ T57] Preemption disabled at: | [ 72.199342][ T57] 0x0 | [ 72.199356][ T57] Tainted: [W]=WARN [ 72.199357][ T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 72.199360][ T57] Workqueue: events_unbound linkwatch_event [ 72.199367][ T57] Call Trace: [ 72.199369][ T57] [ 72.199370][ T57] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 72.199377][ T57] __might_resched.cold (kernel/sched/core.c:9234) [ 72.199382][ T57] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 72.199386][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.199389][ T57] __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)) [ 72.199393][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.199397][ T57] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.199402][ T57] ? 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) [ 72.199405][ T57] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.199408][ T57] put_chars (drivers/char/virtio_console.c:1176) [ 72.199411][ T57] ? __send_to_port (drivers/char/virtio_console.c:654) [ 72.199413][ T57] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 72.199417][ T57] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 72.199420][ T57] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 72.199426][ T57] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 72.199429][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.199432][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.199433][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.199435][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.199439][ T57] console_emit_next_record (kernel/printk/printk.c:3183) [ 72.199442][ T57] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 72.199445][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.199447][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.199449][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.199451][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.199454][ T57] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 72.199456][ T57] console_flush_one_record (kernel/printk/printk.c:3268) [ 72.199460][ T57] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 72.199464][ T57] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 72.199467][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.199469][ T57] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 72.199471][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.199473][ T57] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 72.199476][ T57] ? 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) [ 72.199478][ T57] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 72.199480][ T57] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 72.199483][ T57] ? vprintk_emit (kernel/printk/printk.c:2478) [ 72.199486][ T57] vprintk_emit (kernel/printk/printk.c:2479) [ 72.199488][ T57] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 72.199491][ T57] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.199493][ T57] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 72.199497][ T57] _printk (kernel/printk/printk.c:2504) [ 72.199501][ T57] ? snapshot_read.cold (user.c:?) [ 72.199504][ T57] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.199507][ T57] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 72.199511][ T57] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 72.199516][ T57] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 72.199519][ T57] br_port_carrier_check (net/bridge/br_if.c:95) [ 72.199522][ T57] br_device_event (net/bridge/br.c:101) [ 72.199526][ T57] ? packet_sendmsg_spkt (af_packet.c:?) [ 72.199529][ T57] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 72.199533][ T57] notifier_call_chain (kernel/notifier.c:85) [ 72.199538][ T57] netif_state_change (net/core/dev.c:1625) [ 72.199542][ T57] ? dev_deactivate (net/sched/sch_generic.c:1419) [ 72.199546][ T57] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 72.199549][ T57] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 72.199551][ T57] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 72.199554][ T57] __linkwatch_run_queue (net/core/link_watch.c:240) [ 72.199556][ T57] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 72.199559][ T57] ? debug_object_active_state (lib/debugobjects.c:1122) [ 72.199564][ T57] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 72.199566][ T57] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 72.199569][ T57] process_one_work (kernel/workqueue.c:3387) [ 72.199575][ T57] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 72.199578][ T57] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 72.199581][ T57] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 72.199584][ T57] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 72.199589][ T57] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 72.199591][ T57] kthread (kernel/kthread.c:436) [ 72.199594][ T57] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 72.199596][ T57] ? kthread_affine_preferred (kernel/kthread.c:857) [ 72.199599][ T57] ret_from_fork (arch/x86/kernel/process.c:158) [ 72.199603][ T57] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 72.199606][ T57] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 72.199610][ T57] ? kthread_affine_preferred (kernel/kthread.c:857) [ 72.199613][ T57] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 102.288053][ T12] softirqs last disabled at (485545): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 102.288056][ T12] Preemption disabled at: | [ 102.288056][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 102.288067][ T12] Tainted: [W]=WARN [ 102.288068][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 102.288070][ T12] Workqueue: netns cleanup_net [ 102.288075][ T12] Call Trace: [ 102.288076][ T12] [ 102.288078][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 102.288084][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 102.288085][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 102.288088][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 102.288090][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 102.288093][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.288096][ 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)) [ 102.288099][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.288101][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.288106][ 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) [ 102.288108][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 102.288110][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 102.288111][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 102.288113][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 102.288115][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 102.288120][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 102.288121][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 102.288124][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.288126][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.288127][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.288128][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 102.288131][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 102.288133][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.288134][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.288135][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.288136][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.288138][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 102.288140][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 102.288142][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 102.288145][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 102.288147][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.288148][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 102.288150][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.288151][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 102.288152][ 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) [ 102.288154][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 102.288155][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 102.288157][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 102.288158][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 102.288160][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 102.288161][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 102.288162][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 102.288165][ T12] ? kthread (kernel/kthread.c:436) [ 102.288167][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 102.288170][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 102.288173][ T12] _printk (kernel/printk/printk.c:2504) [ 102.288176][ T12] ? snapshot_read.cold (user.c:?) [ 102.288178][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 102.288181][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 102.288183][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 102.288185][ T12] ? netdev_notice (net/core/dev.c:13194) [ 102.288187][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.288188][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 102.288189][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 102.288192][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 102.288194][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 102.288195][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 102.288197][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 102.288200][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 102.288204][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 102.288206][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 102.288208][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 102.288210][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 102.288212][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 102.288215][ T12] cleanup_net (net/core/net_namespace.c:706) [ 102.288216][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 102.288218][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 102.288220][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 102.288221][ T12] process_one_work (kernel/workqueue.c:3387) [ 102.288224][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 102.288230][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 102.288232][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 102.288234][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 102.288241][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 102.288243][ T12] kthread (kernel/kthread.c:436) [ 102.288245][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 102.288246][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 102.288248][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 102.288250][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 102.288252][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 102.288254][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars