====================================== | [ 10.162183][ T225] softirqs last disabled at (28266): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.162185][ T225] Preemption disabled at: | [ 10.162186][ T225] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.162194][ T225] Tainted: [W]=WARN [ 10.162195][ T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.162197][ T225] Call Trace: [ 10.162198][ T225] [ 10.162200][ T225] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.162206][ T225] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.162207][ T225] __might_resched.cold (kernel/sched/core.c:9234) [ 10.162212][ T225] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.162216][ T225] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.162220][ T225] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.162222][ T225] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.162229][ T225] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.162231][ T225] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.162235][ T225] put_chars (drivers/char/virtio_console.c:1176) [ 10.162237][ T225] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.162243][ T225] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.162251][ T225] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.162254][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.162258][ T225] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.162262][ T225] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.162264][ T225] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.162267][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.162269][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.162273][ T225] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.162277][ T225] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.162279][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.162284][ T225] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.162287][ T225] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.162288][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.162290][ T225] ? 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) [ 10.162294][ T225] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.162295][ T225] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.162298][ T225] vprintk_emit (kernel/printk/printk.c:2479) [ 10.162301][ T225] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.162303][ T225] ? save_trace (kernel/locking/lockdep.c:589) [ 10.162307][ T225] _printk (kernel/printk/printk.c:2504) [ 10.162310][ T225] ? snapshot_read.cold (user.c:?) [ 10.162314][ T225] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.162316][ T225] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.162320][ T225] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.162323][ T225] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.162325][ T225] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.162327][ T225] ? netdev_notice (net/core/dev.c:13194) [ 10.162330][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.162333][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.162335][ T225] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.162339][ T225] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.162341][ T225] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.162343][ T225] ? register_netdev (net/core/dev.c:11618) [ 10.162344][ T225] ? 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)) [ 10.162349][ T225] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.162352][ T225] ? __kernel_text_address (kernel/extable.c:79) [ 10.162354][ T225] ? write_profile (profile.c:?) [ 10.162358][ T225] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.162363][ T225] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.162367][ T225] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.162369][ T225] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.162370][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.162373][ T225] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.162376][ T225] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.162378][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.162380][ T225] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.162382][ T225] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.162384][ T225] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.162385][ T225] ? kasan_save_track (mm/kasan/common.c:78) [ 10.162387][ T225] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.162389][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.162391][ T225] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.162393][ T225] ? ___sys_sendmsg (net/socket.c:2758) [ 10.162397][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.162399][ T225] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.162401][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.162403][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.162405][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.162406][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.162407][ T225] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.162410][ T225] ? __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) [ 10.162412][ T225] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.162414][ T225] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.162417][ T225] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.162419][ T225] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.162423][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.162425][ T225] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.162430][ T225] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.162436][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.162437][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.162442][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.162444][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.162446][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.162447][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.162451][ T225] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.162453][ T225] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.162456][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.162458][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.162462][ T225] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.162464][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.162467][ T225] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.162470][ T225] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.162473][ T225] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.162479][ T225] ? 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)) [ 10.162481][ T225] ? 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)) [ 10.162485][ T225] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.162489][ T225] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.162492][ T225] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.162496][ T225] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.162500][ T225] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.162503][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.162505][ T225] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.162510][ T225] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.162513][ T225] ____sys_sendmsg (net/socket.c:2713) [ 10.162515][ T225] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.162517][ T225] ? sock_write_iter (net/socket.c:1269) [ 10.162519][ T225] ? move_addr_to_kernel (net/socket.c:258) [ 10.162526][ T225] ___sys_sendmsg (net/socket.c:2767) [ 10.162529][ T225] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.162544][ T225] __sys_sendmsg (net/socket.c:2799) [ 10.162547][ T225] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.162553][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.162556][ T225] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.162559][ T225] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.162562][ T225] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.162564][ T225] RIP: 0033:0x7f94524fe54e [ 10.162567][ T225] 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 [ 10.162569][ T225] RSP: 002b:00007ffddd6aad00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.162572][ T225] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f94524fe54e [ 10.162573][ T225] RDX: 0000000000000000 RSI: 00007ffddd6aadb0 RDI: 0000000000000005 [ 10.162574][ T225] RBP: 00007ffddd6aad10 R08: 0000000000000000 R09: 0000000000000000 [ 10.162574][ T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f0af [ 10.162575][ T225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddd6ab470 | [ 11.188939][ T280] softirqs last disabled at (23004): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 11.188941][ T280] Preemption disabled at: | [ 11.188941][ T280] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.188949][ T280] Tainted: [W]=WARN [ 11.188950][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.188952][ T280] Call Trace: [ 11.188953][ T280] [ 11.188955][ T280] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.188961][ T280] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.188962][ T280] __might_resched.cold (kernel/sched/core.c:9234) [ 11.188967][ T280] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.188971][ T280] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.188975][ T280] __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)) [ 11.188977][ T280] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.188983][ T280] ? 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) [ 11.188986][ T280] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.188989][ T280] put_chars (drivers/char/virtio_console.c:1176) [ 11.188991][ T280] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.188992][ T280] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.188996][ T280] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.188999][ T280] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.189003][ T280] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.189007][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189012][ T280] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.189015][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.189020][ T280] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.189024][ T280] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.189025][ T280] ? 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)) [ 11.189029][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.189030][ T280] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.189034][ T280] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.189038][ T280] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.189040][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189045][ T280] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.189048][ T280] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.189050][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.189051][ T280] ? 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) [ 11.189055][ T280] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.189057][ T280] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.189059][ T280] vprintk_emit (kernel/printk/printk.c:2479) [ 11.189062][ T280] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.189064][ T280] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.189067][ T280] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.189070][ T280] _printk (kernel/printk/printk.c:2504) [ 11.189073][ T280] ? snapshot_read.cold (user.c:?) [ 11.189077][ T280] ? br_multicast_flood (??:?) [ 11.189080][ T280] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 11.189081][ T280] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 11.189082][ T280] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.189086][ T280] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.189090][ T280] br_init_port (net/bridge/br_stp_if.c:39) [ 11.189093][ T280] new_nbp (net/bridge/br_if.c:449) [ 11.189097][ T280] br_add_if (net/bridge/br_if.c:592) [ 11.189099][ T280] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 11.189106][ T280] do_set_master (net/core/rtnetlink.c:3071) [ 11.189110][ T280] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 11.189113][ T280] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 11.189115][ T280] ? __dev_get_by_name (net/core/dev.c:905) [ 11.189117][ T280] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 11.189126][ T280] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 11.189132][ T280] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.189137][ T280] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.189139][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189146][ T280] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.189150][ T280] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.189152][ T280] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.189155][ T280] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.189156][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.189160][ T280] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.189162][ T280] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.189166][ T280] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.189169][ T280] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.189172][ T280] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.189182][ T280] ? 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)) [ 11.189184][ T280] ? 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)) [ 11.189188][ T280] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.189192][ T280] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.189198][ T280] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.189202][ T280] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.189205][ T280] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.189207][ T280] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.189213][ T280] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.189216][ T280] ____sys_sendmsg (net/socket.c:2713) [ 11.189219][ T280] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.189221][ T280] ? sock_write_iter (net/socket.c:1269) [ 11.189223][ T280] ? move_addr_to_kernel (net/socket.c:258) [ 11.189227][ T280] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 11.189230][ T280] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.189234][ T280] ___sys_sendmsg (net/socket.c:2767) [ 11.189235][ T280] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 11.189238][ T280] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.189240][ T280] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 11.189254][ T280] __sys_sendmsg (net/socket.c:2799) [ 11.189257][ T280] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.189263][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.189264][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.189267][ T280] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.189271][ T280] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.189274][ T280] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.189276][ T280] RIP: 0033:0x7f679f58154e [ 11.189279][ T280] 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 [ 11.189281][ T280] RSP: 002b:00007ffcc25e6b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.189284][ T280] RAX: ffffffffffffffda RBX: 00007ffcc25e72c8 RCX: 00007f679f58154e [ 11.189285][ T280] RDX: 0000000000000000 RSI: 00007ffcc25e6bb0 RDI: 0000000000000005 [ 11.189286][ T280] RBP: 00007ffcc25e6b10 R08: 0000000000000000 R09: 0000000000000000 [ 11.189287][ T280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f0b0 [ 11.189288][ T280] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc25e7280 | [ 16.552570][ T291] softirqs last disabled at (14639): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.552572][ T291] Preemption disabled at: | [ 16.552573][ T291] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.552581][ T291] Tainted: [W]=WARN [ 16.552582][ T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.552584][ T291] Call Trace: [ 16.552585][ T291] [ 16.552586][ T291] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.552592][ T291] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.552594][ T291] __might_resched.cold (kernel/sched/core.c:9234) [ 16.552599][ T291] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.552602][ T291] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.552607][ T291] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 16.552608][ T291] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.552615][ T291] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.552618][ T291] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.552621][ T291] put_chars (drivers/char/virtio_console.c:1176) [ 16.552623][ T291] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 16.552625][ T291] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.552628][ T291] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.552631][ T291] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.552636][ T291] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.552640][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.552641][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.552646][ T291] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.552648][ T291] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.552651][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.552653][ T291] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.552657][ T291] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.552661][ T291] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.552662][ T291] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.552666][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.552667][ T291] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.552671][ T291] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.552675][ T291] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.552677][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.552682][ T291] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.552685][ T291] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.552687][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.552689][ T291] ? 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) [ 16.552693][ T291] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.552695][ T291] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.552697][ T291] vprintk_emit (kernel/printk/printk.c:2479) [ 16.552701][ T291] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.552706][ T291] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 16.552709][ T291] _printk (kernel/printk/printk.c:2504) [ 16.552712][ T291] ? snapshot_read.cold (user.c:?) [ 16.552719][ T291] ? 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) [ 16.552722][ T291] gact_init_module (net/sched/act_gact.c:180) act_gact [ 16.552724][ T291] do_one_initcall (init/main.c:1357) [ 16.552727][ T291] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 16.552732][ T291] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 16.552734][ T291] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 16.552740][ T291] do_init_module (kernel/module/main.c:3117) [ 16.552743][ T291] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.552747][ T291] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 16.552749][ T291] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 16.552753][ T291] load_module (kernel/module/main.c:3593) [ 16.552759][ T291] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 16.552763][ T291] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 16.552766][ T291] ? __ia32_sys_fsconfig (??:?) [ 16.552771][ T291] ? backing_file_read_iter (fs/backing-file.c:211) [ 16.552774][ T291] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.552778][ T291] init_module_from_file (kernel/module/main.c:3790) [ 16.552780][ T291] ? __do_sys_init_module (kernel/module/main.c:3664) [ 16.552788][ T291] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.552792][ T291] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.552795][ T291] idempotent_init_module (kernel/module/main.c:3802) [ 16.552798][ T291] ? init_module_from_file (kernel/module/main.c:3791) [ 16.552803][ T291] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 16.552806][ T291] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 16.552811][ T291] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 16.552813][ T291] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.552817][ T291] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.552820][ T291] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.552822][ T291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.552824][ T291] RIP: 0033:0x7f2dcd1a537d [ 16.552829][ T291] 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 [ 16.552831][ T291] RSP: 002b:00007ffd33dbd598 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 16.552834][ T291] RAX: ffffffffffffffda RBX: 0000564c8ef2c810 RCX: 00007f2dcd1a537d [ 16.552835][ T291] RDX: 0000000000000000 RSI: 0000564c575cfffd RDI: 0000000000000000 [ 16.552836][ T291] RBP: 00007ffd33dbd630 R08: 0000000000000000 R09: 0000000000000000 [ 16.552837][ T291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564c575cfffd [ 16.552838][ T291] R13: 0000564c8ef2c960 R14: 0000000000040000 R15: 0000000000000000 | [ 17.565750][ T105] softirqs last disabled at (56664): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 17.565752][ T105] Preemption disabled at: | [ 17.565753][ T105] 0x0 | [ 17.565763][ T105] Tainted: [W]=WARN [ 17.565764][ T105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.565765][ T105] Workqueue: events_unbound linkwatch_event [ 17.565769][ T105] Call Trace: [ 17.565770][ T105] [ 17.565772][ T105] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.565778][ T105] __might_resched.cold (kernel/sched/core.c:9234) [ 17.565783][ T105] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.565787][ T105] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.565792][ T105] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 17.565793][ T105] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.565800][ T105] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 17.565802][ T105] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.565806][ T105] put_chars (drivers/char/virtio_console.c:1176) [ 17.565809][ T105] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.565812][ T105] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.565815][ T105] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.565818][ T105] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.565822][ T105] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.565826][ T105] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.565831][ T105] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.565833][ T105] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.565837][ T105] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.565839][ T105] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.565844][ T105] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.565848][ T105] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.565852][ T105] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.565854][ T105] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 17.565857][ T105] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.565859][ T105] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.565864][ T105] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.565868][ T105] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.565870][ T105] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.565876][ T105] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.565878][ T105] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.565880][ T105] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.565882][ T105] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 17.565886][ T105] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.565888][ T105] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.565890][ T105] vprintk_emit (kernel/printk/printk.c:2479) [ 17.565894][ T105] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.565895][ T105] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 17.565897][ T105] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.565899][ T105] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.565903][ T105] _printk (kernel/printk/printk.c:2504) [ 17.565907][ T105] ? snapshot_read.cold (user.c:?) [ 17.565912][ T105] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.565916][ T105] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 17.565921][ T105] br_init_port (net/bridge/br_stp_if.c:39) [ 17.565923][ T105] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 17.565925][ T105] br_port_carrier_check (net/bridge/br_if.c:90) [ 17.565929][ T105] br_device_event (net/bridge/br.c:101) [ 17.565931][ T105] ? fib6_ifdown (net/ipv6/route.c:4976) [ 17.565934][ T105] ? packet_sendmsg_spkt (af_packet.c:?) [ 17.565940][ T105] notifier_call_chain (kernel/notifier.c:85) [ 17.565946][ T105] netif_state_change (net/core/dev.c:1625) [ 17.565951][ T105] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.565955][ T105] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 17.565958][ T105] __linkwatch_run_queue (net/core/link_watch.c:240) [ 17.565961][ T105] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.565963][ T105] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.565968][ T105] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 17.565970][ T105] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 17.565973][ T105] process_one_work (kernel/workqueue.c:3387) [ 17.565980][ T105] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.565983][ T105] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.565991][ T105] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.565995][ T105] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.565997][ T105] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 17.566000][ T105] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.566003][ T105] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.566005][ T105] kthread (kernel/kthread.c:436) [ 17.566007][ T105] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.566010][ T105] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.566013][ T105] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.566017][ T105] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.566021][ T105] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.566024][ T105] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.566027][ T105] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.601975][ T48] softirqs last disabled at (50788): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 18.601978][ T48] Preemption disabled at: | [ 18.601978][ T48] 0x0 | [ 18.601989][ T48] Tainted: [W]=WARN [ 18.601990][ T48] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.601992][ T48] Workqueue: events_unbound linkwatch_event [ 18.601996][ T48] Call Trace: [ 18.601998][ T48] [ 18.601999][ T48] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.602006][ T48] __might_resched.cold (kernel/sched/core.c:9234) [ 18.602012][ T48] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.602016][ T48] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.602021][ T48] __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)) [ 18.602023][ T48] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.602030][ T48] ? 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) [ 18.602033][ T48] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.602038][ T48] put_chars (drivers/char/virtio_console.c:1176) [ 18.602041][ T48] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.602043][ T48] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.602047][ T48] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.602050][ T48] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.602054][ T48] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.602058][ T48] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.602060][ T48] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.602061][ T48] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.602066][ T48] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.602068][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.602073][ T48] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.602078][ T48] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.602082][ T48] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.602084][ T48] ? 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)) [ 18.602087][ T48] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.602089][ T48] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.602094][ T48] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.602098][ T48] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.602100][ T48] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.602106][ T48] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.602109][ T48] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.602111][ T48] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.602113][ T48] ? 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) [ 18.602117][ T48] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.602119][ T48] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.602122][ T48] vprintk_emit (kernel/printk/printk.c:2479) [ 18.602126][ T48] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.602127][ T48] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 18.602130][ T48] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.602132][ T48] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.602137][ T48] _printk (kernel/printk/printk.c:2504) [ 18.602141][ T48] ? snapshot_read.cold (user.c:?) [ 18.602147][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.602152][ T48] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.602157][ T48] br_init_port (net/bridge/br_stp_if.c:39) [ 18.602160][ T48] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 18.602162][ T48] br_port_carrier_check (net/bridge/br_if.c:90) [ 18.602167][ T48] br_device_event (net/bridge/br.c:101) [ 18.602169][ T48] ? fib6_ifdown (net/ipv6/route.c:4976) [ 18.602172][ T48] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.602180][ T48] notifier_call_chain (kernel/notifier.c:85) [ 18.602186][ T48] netif_state_change (net/core/dev.c:1625) [ 18.602192][ T48] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.602197][ T48] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 18.602199][ T48] __linkwatch_run_queue (net/core/link_watch.c:240) [ 18.602202][ T48] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.602205][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.602213][ T48] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 18.602216][ T48] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 18.602220][ T48] process_one_work (kernel/workqueue.c:3387) [ 18.602228][ T48] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.602231][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.602240][ T48] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.602248][ T48] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.602251][ T48] kthread (kernel/kthread.c:436) [ 18.602253][ T48] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.602257][ T48] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.602260][ T48] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.602265][ T48] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.602269][ T48] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.602273][ T48] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.602276][ T48] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.499014][ T37] softirqs last disabled at (70040): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 20.499017][ T37] Preemption disabled at: | [ 20.499018][ T37] 0x0 | [ 20.499028][ T37] Tainted: [W]=WARN [ 20.499029][ T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.499030][ T37] Workqueue: events_unbound linkwatch_event [ 20.499034][ T37] Call Trace: [ 20.499035][ T37] [ 20.499037][ T37] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.499043][ T37] __might_resched.cold (kernel/sched/core.c:9234) [ 20.499048][ T37] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.499052][ T37] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.499056][ T37] __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)) [ 20.499058][ T37] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.499065][ T37] ? 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) [ 20.499067][ T37] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.499071][ T37] put_chars (drivers/char/virtio_console.c:1176) [ 20.499074][ T37] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.499077][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.499080][ T37] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.499085][ T37] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.499089][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.499091][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.499096][ T37] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.499100][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.499102][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.499106][ T37] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.499110][ T37] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.499112][ T37] ? 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)) [ 20.499116][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.499118][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.499122][ T37] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.499126][ T37] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.499128][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.499134][ T37] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.499137][ T37] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.499139][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.499141][ T37] ? 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) [ 20.499145][ T37] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.499147][ T37] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.499150][ T37] vprintk_emit (kernel/printk/printk.c:2479) [ 20.499153][ T37] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.499155][ T37] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.499157][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.499160][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.499164][ T37] _printk (kernel/printk/printk.c:2504) [ 20.499168][ T37] ? snapshot_read.cold (user.c:?) [ 20.499170][ T37] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 20.499177][ T37] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 20.499182][ T37] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 20.499186][ T37] br_port_carrier_check (net/bridge/br_if.c:95) [ 20.499190][ T37] br_device_event (net/bridge/br.c:101) [ 20.499194][ T37] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.499200][ T37] notifier_call_chain (kernel/notifier.c:85) [ 20.499206][ T37] netif_state_change (net/core/dev.c:1625) [ 20.499210][ T37] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 20.499214][ T37] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.499222][ T37] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 20.499225][ T37] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 20.499227][ T37] __linkwatch_run_queue (net/core/link_watch.c:240) [ 20.499231][ T37] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.499233][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.499238][ T37] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 20.499241][ T37] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 20.499244][ T37] process_one_work (kernel/workqueue.c:3387) [ 20.499252][ T37] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.499255][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.499263][ T37] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.499270][ T37] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.499273][ T37] kthread (kernel/kthread.c:436) [ 20.499275][ T37] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.499278][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.499281][ T37] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.499285][ T37] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.499289][ T37] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.499293][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.499296][ T37] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 22.202250][ T492] softirqs last disabled at (16484): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 22.202253][ T492] Preemption disabled at: | [ 22.202253][ T492] vprintk_emit (kernel/printk/printk.c:2471) | [ 22.202262][ T492] Tainted: [W]=WARN [ 22.202262][ T492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.202265][ T492] Call Trace: [ 22.202266][ T492] [ 22.202268][ T492] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.202274][ T492] ? vprintk_emit (kernel/printk/printk.c:2471) [ 22.202275][ T492] __might_resched.cold (kernel/sched/core.c:9234) [ 22.202280][ T492] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.202284][ T492] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.202288][ T492] __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)) [ 22.202290][ T492] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.202296][ T492] ? 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) [ 22.202299][ T492] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.202303][ T492] put_chars (drivers/char/virtio_console.c:1176) [ 22.202305][ T492] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.202311][ T492] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.202319][ T492] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.202322][ T492] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.202326][ T492] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.202330][ T492] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.202332][ T492] ? 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)) [ 22.202335][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.202337][ T492] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.202341][ T492] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.202345][ T492] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.202347][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.202352][ T492] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.202355][ T492] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.202357][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.202359][ T492] ? 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) [ 22.202362][ T492] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.202364][ T492] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.202367][ T492] vprintk_emit (kernel/printk/printk.c:2479) [ 22.202370][ T492] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.202373][ T492] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 22.202378][ T492] _printk (kernel/printk/printk.c:2504) [ 22.202381][ T492] ? snapshot_read.cold (user.c:?) [ 22.202383][ T492] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.202385][ T492] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.202388][ T492] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.202390][ T492] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 22.202394][ T492] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 22.202397][ T492] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.202399][ T492] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 22.202402][ T492] ? netdev_notice (net/core/dev.c:13194) [ 22.202404][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.202407][ T492] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.202410][ T492] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 22.202413][ T492] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.202415][ T492] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 22.202417][ T492] ? register_netdev (net/core/dev.c:11618) [ 22.202419][ T492] ? 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)) [ 22.202424][ T492] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 22.202426][ T492] ? __kernel_text_address (kernel/extable.c:79) [ 22.202429][ T492] ? write_profile (profile.c:?) [ 22.202433][ T492] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 22.202438][ T492] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.202441][ T492] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 22.202443][ T492] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 22.202445][ T492] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 22.202446][ T492] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 22.202450][ T492] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.202452][ T492] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.202453][ T492] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.202456][ T492] ? kasan_save_stack (mm/kasan/common.c:58) [ 22.202458][ T492] ? kasan_save_stack (mm/kasan/common.c:57) [ 22.202459][ T492] ? kasan_save_track (mm/kasan/common.c:78) [ 22.202460][ T492] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 22.202462][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.202464][ T492] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 22.202467][ T492] ? ___sys_sendmsg (net/socket.c:2758) [ 22.202470][ T492] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.202473][ T492] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.202475][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.202477][ T492] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.202478][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.202480][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.202481][ T492] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 22.202484][ T492] ? __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) [ 22.202485][ T492] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.202487][ T492] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.202490][ T492] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 22.202491][ T492] ? nla_get_range_signed (lib/nlattr.c:270) [ 22.202496][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.202498][ T492] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 22.202503][ T492] rtnl_newlink (net/core/rtnetlink.c:4215) [ 22.202508][ T492] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.202510][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.202515][ T492] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.202517][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.202519][ T492] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.202520][ T492] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.202524][ T492] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.202526][ T492] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.202529][ T492] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.202530][ T492] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.202535][ T492] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.202537][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.202540][ T492] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.202543][ T492] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.202546][ T492] ? netlink_ack (./include/linux/skbuff.h:2718) [ 22.202553][ T492] ? 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)) [ 22.202555][ T492] ? 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)) [ 22.202559][ T492] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.202563][ T492] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.202565][ T492] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 22.202569][ T492] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.202573][ T492] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.202577][ T492] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.202579][ T492] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 22.202584][ T492] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 22.202587][ T492] ____sys_sendmsg (net/socket.c:2713) [ 22.202589][ T492] ? copy_msghdr_from_user (net/socket.c:2650) [ 22.202591][ T492] ? sock_write_iter (net/socket.c:1269) [ 22.202593][ T492] ? move_addr_to_kernel (net/socket.c:258) [ 22.202600][ T492] ___sys_sendmsg (net/socket.c:2767) [ 22.202602][ T492] ? copy_msghdr_from_user (net/socket.c:2619) [ 22.202618][ T492] __sys_sendmsg (net/socket.c:2799) [ 22.202620][ T492] ? __sys_sendmsg_sock (net/socket.c:2780) [ 22.202627][ T492] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.202629][ T492] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.202632][ T492] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.202635][ T492] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.202637][ T492] RIP: 0033:0x7f160cf0954e [ 22.202641][ T492] 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 [ 22.202643][ T492] RSP: 002b:00007ffee6ded5b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.202645][ T492] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f160cf0954e [ 22.202647][ T492] RDX: 0000000000000000 RSI: 00007ffee6ded660 RDI: 0000000000000005 [ 22.202648][ T492] RBP: 00007ffee6ded5c0 R08: 0000000000000000 R09: 0000000000000000 [ 22.202649][ T492] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f0bb [ 22.202649][ T492] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee6dedd20 | [ 23.204735][ T545] softirqs last disabled at (18832): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 23.204737][ T545] Preemption disabled at: | [ 23.204737][ T545] vprintk_emit (kernel/printk/printk.c:2471) | [ 23.204745][ T545] Tainted: [W]=WARN [ 23.204746][ T545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.204748][ T545] Call Trace: [ 23.204750][ T545] [ 23.204751][ T545] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.204757][ T545] ? vprintk_emit (kernel/printk/printk.c:2471) [ 23.204758][ T545] __might_resched.cold (kernel/sched/core.c:9234) [ 23.204763][ T545] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.204767][ T545] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.204772][ T545] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 23.204774][ T545] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.204780][ T545] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 23.204783][ T545] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.204786][ T545] put_chars (drivers/char/virtio_console.c:1176) [ 23.204788][ T545] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.204790][ T545] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.204794][ T545] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.204796][ T545] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.204801][ T545] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.204805][ T545] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.204810][ T545] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.204813][ T545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.204817][ T545] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.204821][ T545] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.204823][ T545] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 23.204826][ T545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.204831][ T545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.204835][ T545] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.204839][ T545] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.204841][ T545] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.204846][ T545] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.204849][ T545] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.204850][ T545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.204852][ T545] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 23.204856][ T545] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.204857][ T545] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.204860][ T545] vprintk_emit (kernel/printk/printk.c:2479) [ 23.204863][ T545] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.204865][ T545] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.204868][ T545] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.204871][ T545] _printk (kernel/printk/printk.c:2504) [ 23.204875][ T545] ? snapshot_read.cold (user.c:?) [ 23.204878][ T545] ? br_multicast_flood (??:?) [ 23.204881][ T545] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 23.204882][ T545] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 23.204884][ T545] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 23.204888][ T545] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 23.204892][ T545] br_init_port (net/bridge/br_stp_if.c:39) [ 23.204895][ T545] new_nbp (net/bridge/br_if.c:449) [ 23.204898][ T545] br_add_if (net/bridge/br_if.c:592) [ 23.204900][ T545] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 23.204908][ T545] do_set_master (net/core/rtnetlink.c:3071) [ 23.204911][ T545] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 23.204915][ T545] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 23.204916][ T545] ? __dev_get_by_name (net/core/dev.c:905) [ 23.204918][ T545] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 23.204928][ T545] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 23.204934][ T545] rtnl_newlink (net/core/rtnetlink.c:4215) [ 23.204939][ T545] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.204941][ T545] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.204948][ T545] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.204951][ T545] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.204954][ T545] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 23.204957][ T545] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.204958][ T545] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.204963][ T545] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.204965][ T545] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.204968][ T545] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 23.204971][ T545] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.204974][ T545] ? netlink_ack (./include/linux/skbuff.h:2718) [ 23.204980][ T545] ? 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)) [ 23.204982][ T545] ? 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)) [ 23.204987][ T545] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 23.204991][ T545] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 23.204996][ T545] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 23.205000][ T545] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.205004][ T545] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.205006][ T545] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 23.205011][ T545] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 23.205015][ T545] ____sys_sendmsg (net/socket.c:2713) [ 23.205017][ T545] ? copy_msghdr_from_user (net/socket.c:2650) [ 23.205020][ T545] ? sock_write_iter (net/socket.c:1269) [ 23.205021][ T545] ? move_addr_to_kernel (net/socket.c:258) [ 23.205026][ T545] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 23.205028][ T545] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.205032][ T545] ___sys_sendmsg (net/socket.c:2767) [ 23.205033][ T545] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 23.205036][ T545] ? copy_msghdr_from_user (net/socket.c:2619) [ 23.205038][ T545] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 23.205053][ T545] __sys_sendmsg (net/socket.c:2799) [ 23.205056][ T545] ? __sys_sendmsg_sock (net/socket.c:2780) [ 23.205061][ T545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.205063][ T545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.205066][ T545] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 23.205069][ T545] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 23.205072][ T545] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.205074][ T545] RIP: 0033:0x7fcacc97854e [ 23.205078][ T545] 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 [ 23.205080][ T545] RSP: 002b:00007ffd3203a530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.205082][ T545] RAX: ffffffffffffffda RBX: 00007ffd3203acf8 RCX: 00007fcacc97854e [ 23.205084][ T545] RDX: 0000000000000000 RSI: 00007ffd3203a5e0 RDI: 0000000000000005 [ 23.205085][ T545] RBP: 00007ffd3203a540 R08: 0000000000000000 R09: 0000000000000000 [ 23.205085][ T545] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f0bc [ 23.205086][ T545] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3203acb0 | [ 29.283014][ T61] softirqs last disabled at (20320): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 29.283017][ T61] Preemption disabled at: | [ 29.283018][ T61] 0x0 | [ 29.283028][ T61] Tainted: [W]=WARN [ 29.283029][ T61] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.283031][ T61] Workqueue: events_unbound linkwatch_event [ 29.283034][ T61] Call Trace: [ 29.283036][ T61] [ 29.283037][ T61] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.283044][ T61] __might_resched.cold (kernel/sched/core.c:9234) [ 29.283049][ T61] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.283053][ T61] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.283057][ T61] __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)) [ 29.283059][ T61] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.283066][ T61] ? 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) [ 29.283068][ T61] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.283072][ T61] put_chars (drivers/char/virtio_console.c:1176) [ 29.283074][ T61] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.283078][ T61] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.283081][ T61] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.283086][ T61] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.283090][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.283091][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.283096][ T61] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.283100][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283102][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.283106][ T61] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.283110][ T61] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.283112][ T61] ? 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)) [ 29.283116][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283117][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.283122][ T61] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.283126][ T61] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.283128][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.283133][ T61] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.283136][ T61] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.283138][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283140][ T61] ? 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) [ 29.283144][ T61] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.283145][ T61] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.283148][ T61] vprintk_emit (kernel/printk/printk.c:2479) [ 29.283151][ T61] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.283153][ T61] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.283155][ T61] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.283158][ T61] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.283161][ T61] _printk (kernel/printk/printk.c:2504) [ 29.283164][ T61] ? snapshot_read.cold (user.c:?) [ 29.283167][ T61] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 29.283174][ T61] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.283178][ T61] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 29.283182][ T61] br_port_carrier_check (net/bridge/br_if.c:95) [ 29.283185][ T61] br_device_event (net/bridge/br.c:101) [ 29.283189][ T61] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.283195][ T61] notifier_call_chain (kernel/notifier.c:85) [ 29.283201][ T61] netif_state_change (net/core/dev.c:1625) [ 29.283205][ T61] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 29.283209][ T61] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.283212][ T61] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 29.283215][ T61] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 29.283217][ T61] __linkwatch_run_queue (net/core/link_watch.c:240) [ 29.283220][ T61] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.283223][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.283228][ T61] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 29.283230][ T61] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 29.283233][ T61] process_one_work (kernel/workqueue.c:3387) [ 29.283240][ T61] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.283243][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.283251][ T61] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.283259][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.283261][ T61] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 29.283264][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.283267][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.283269][ T61] kthread (kernel/kthread.c:436) [ 29.283271][ T61] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.283274][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.283277][ T61] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.283282][ T61] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.283285][ T61] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.283289][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.283292][ T61] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.595002][ T61] softirqs last disabled at (30514): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 30.595005][ T61] Preemption disabled at: | [ 30.595005][ T61] 0x0 | [ 30.595015][ T61] Tainted: [W]=WARN [ 30.595016][ T61] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.595017][ T61] Workqueue: events_unbound linkwatch_event [ 30.595021][ T61] Call Trace: [ 30.595022][ T61] [ 30.595024][ T61] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.595030][ T61] __might_resched.cold (kernel/sched/core.c:9234) [ 30.595035][ T61] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.595039][ T61] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.595043][ T61] __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)) [ 30.595045][ T61] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.595052][ T61] ? 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) [ 30.595054][ T61] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.595058][ T61] put_chars (drivers/char/virtio_console.c:1176) [ 30.595061][ T61] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.595064][ T61] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.595067][ T61] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.595071][ T61] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.595075][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.595077][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.595082][ T61] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.595086][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.595088][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.595092][ T61] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.595096][ T61] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.595098][ T61] ? 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)) [ 30.595101][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.595103][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.595107][ T61] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.595111][ T61] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.595113][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.595119][ T61] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.595122][ T61] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.595124][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.595125][ T61] ? 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) [ 30.595129][ T61] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.595131][ T61] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.595134][ T61] vprintk_emit (kernel/printk/printk.c:2479) [ 30.595137][ T61] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.595138][ T61] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.595141][ T61] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.595143][ T61] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.595147][ T61] _printk (kernel/printk/printk.c:2504) [ 30.595150][ T61] ? snapshot_read.cold (user.c:?) [ 30.595153][ T61] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 30.595159][ T61] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 30.595164][ T61] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 30.595168][ T61] br_port_carrier_check (net/bridge/br_if.c:95) [ 30.595172][ T61] br_device_event (net/bridge/br.c:101) [ 30.595175][ T61] ? packet_sendmsg_spkt (af_packet.c:?) [ 30.595181][ T61] notifier_call_chain (kernel/notifier.c:85) [ 30.595187][ T61] netif_state_change (net/core/dev.c:1625) [ 30.595190][ T61] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 30.595194][ T61] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.595198][ T61] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 30.595200][ T61] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 30.595203][ T61] __linkwatch_run_queue (net/core/link_watch.c:240) [ 30.595206][ T61] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.595208][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.595213][ T61] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 30.595215][ T61] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 30.595218][ T61] process_one_work (kernel/workqueue.c:3387) [ 30.595225][ T61] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 30.595228][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.595236][ T61] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 30.595240][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.595242][ T61] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 30.595245][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.595248][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.595250][ T61] kthread (kernel/kthread.c:436) [ 30.595252][ T61] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.595255][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.595258][ T61] ret_from_fork (arch/x86/kernel/process.c:158) [ 30.595266][ T61] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 30.595270][ T61] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 30.595274][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.595277][ T61] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.896768][ T105] softirqs last disabled at (156652): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 32.896771][ T105] Preemption disabled at: | [ 32.896771][ T105] 0x0 | [ 32.896781][ T105] Tainted: [W]=WARN [ 32.896782][ T105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.896784][ T105] Workqueue: events_unbound linkwatch_event [ 32.896787][ T105] Call Trace: [ 32.896788][ T105] [ 32.896790][ T105] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.896796][ T105] __might_resched.cold (kernel/sched/core.c:9234) [ 32.896801][ T105] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.896805][ T105] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.896809][ T105] __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)) [ 32.896811][ T105] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.896818][ T105] ? 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) [ 32.896820][ T105] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.896824][ T105] put_chars (drivers/char/virtio_console.c:1176) [ 32.896827][ T105] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.896832][ T105] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.896835][ T105] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.896840][ T105] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.896844][ T105] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.896846][ T105] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.896851][ T105] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.896855][ T105] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.896857][ T105] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.896861][ T105] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.896865][ T105] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.896867][ T105] ? 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)) [ 32.896870][ T105] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.896872][ T105] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.896876][ T105] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.896881][ T105] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.896883][ T105] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.896888][ T105] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.896891][ T105] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.896893][ T105] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.896895][ T105] ? 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) [ 32.896899][ T105] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.896901][ T105] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.896904][ T105] vprintk_emit (kernel/printk/printk.c:2479) [ 32.896907][ T105] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.896908][ T105] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.896911][ T105] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.896913][ T105] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.896917][ T105] _printk (kernel/printk/printk.c:2504) [ 32.896920][ T105] ? snapshot_read.cold (user.c:?) [ 32.896923][ T105] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 32.896929][ T105] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 32.896934][ T105] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 32.896937][ T105] br_port_carrier_check (net/bridge/br_if.c:95) [ 32.896941][ T105] br_device_event (net/bridge/br.c:101) [ 32.896945][ T105] ? packet_sendmsg_spkt (af_packet.c:?) [ 32.896951][ T105] notifier_call_chain (kernel/notifier.c:85) [ 32.896956][ T105] netif_state_change (net/core/dev.c:1625) [ 32.896960][ T105] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 32.896964][ T105] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.896967][ T105] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 32.896970][ T105] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 32.896972][ T105] __linkwatch_run_queue (net/core/link_watch.c:240) [ 32.896975][ T105] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.896977][ T105] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.896982][ T105] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 32.896984][ T105] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 32.896988][ T105] process_one_work (kernel/workqueue.c:3387) [ 32.896994][ T105] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.896997][ T105] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.897005][ T105] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.897010][ T105] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.897012][ T105] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 32.897014][ T105] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.897017][ T105] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.897019][ T105] kthread (kernel/kthread.c:436) [ 32.897021][ T105] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.897025][ T105] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.897027][ T105] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.897032][ T105] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.897035][ T105] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.897039][ T105] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.897041][ T105] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 34.849631][ T778] softirqs last disabled at (23174): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 34.849634][ T778] Preemption disabled at: | [ 34.849634][ T778] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.849642][ T778] Tainted: [W]=WARN [ 34.849643][ T778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.849645][ T778] Call Trace: [ 34.849646][ T778] [ 34.849648][ T778] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.849654][ T778] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.849655][ T778] __might_resched.cold (kernel/sched/core.c:9234) [ 34.849660][ T778] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.849664][ T778] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.849668][ T778] __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)) [ 34.849670][ T778] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.849676][ T778] ? 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) [ 34.849678][ T778] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.849682][ T778] put_chars (drivers/char/virtio_console.c:1176) [ 34.849684][ T778] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.849690][ T778] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.849698][ T778] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.849701][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.849705][ T778] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.849709][ T778] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.849711][ T778] ? 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)) [ 34.849715][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.849717][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.849721][ T778] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.849725][ T778] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.849727][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.849732][ T778] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.849735][ T778] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.849737][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.849738][ T778] ? 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) [ 34.849742][ T778] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.849744][ T778] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.849747][ T778] vprintk_emit (kernel/printk/printk.c:2479) [ 34.849750][ T778] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.849752][ T778] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 34.849757][ T778] _printk (kernel/printk/printk.c:2504) [ 34.849760][ T778] ? snapshot_read.cold (user.c:?) [ 34.849762][ T778] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.849765][ T778] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.849767][ T778] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.849769][ T778] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.849773][ T778] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.849776][ T778] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.849778][ T778] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.849781][ T778] ? netdev_notice (net/core/dev.c:13194) [ 34.849784][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.849787][ T778] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.849789][ T778] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 34.849793][ T778] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.849795][ T778] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 34.849797][ T778] ? register_netdev (net/core/dev.c:11618) [ 34.849798][ T778] ? 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)) [ 34.849803][ T778] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 34.849806][ T778] ? __kernel_text_address (kernel/extable.c:79) [ 34.849808][ T778] ? write_profile (profile.c:?) [ 34.849812][ T778] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 34.849817][ T778] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 34.849821][ T778] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 34.849823][ T778] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 34.849824][ T778] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 34.849826][ T778] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 34.849832][ T778] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.849834][ T778] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.849836][ T778] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.849838][ T778] ? kasan_save_stack (mm/kasan/common.c:58) [ 34.849840][ T778] ? kasan_save_stack (mm/kasan/common.c:57) [ 34.849841][ T778] ? kasan_save_track (mm/kasan/common.c:78) [ 34.849843][ T778] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 34.849845][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.849847][ T778] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 34.849849][ T778] ? ___sys_sendmsg (net/socket.c:2758) [ 34.849853][ T778] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.849855][ T778] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.849858][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.849859][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.849861][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.849862][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.849864][ T778] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 34.849866][ T778] ? __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) [ 34.849867][ T778] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 34.849869][ T778] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.849872][ T778] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 34.849874][ T778] ? nla_get_range_signed (lib/nlattr.c:270) [ 34.849878][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.849881][ T778] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 34.849886][ T778] rtnl_newlink (net/core/rtnetlink.c:4215) [ 34.849891][ T778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.849893][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.849897][ T778] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.849899][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.849901][ T778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.849903][ T778] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.849906][ T778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.849908][ T778] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 34.849912][ T778] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.849913][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.849917][ T778] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.849919][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.849923][ T778] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.849926][ T778] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.849928][ T778] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.849935][ T778] ? 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)) [ 34.849937][ T778] ? 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)) [ 34.849941][ T778] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.849945][ T778] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.849947][ T778] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.849951][ T778] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.849955][ T778] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.849959][ T778] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.849961][ T778] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 34.849966][ T778] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 34.849969][ T778] ____sys_sendmsg (net/socket.c:2713) [ 34.849971][ T778] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.849973][ T778] ? sock_write_iter (net/socket.c:1269) [ 34.849975][ T778] ? move_addr_to_kernel (net/socket.c:258) [ 34.849982][ T778] ___sys_sendmsg (net/socket.c:2767) [ 34.849985][ T778] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.850000][ T778] __sys_sendmsg (net/socket.c:2799) [ 34.850003][ T778] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.850009][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.850012][ T778] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.850015][ T778] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.850017][ T778] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.850019][ T778] RIP: 0033:0x7f3d9a9cc54e [ 34.850024][ T778] 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 [ 34.850025][ T778] RSP: 002b:00007fff19af8500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.850028][ T778] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3d9a9cc54e [ 34.850029][ T778] RDX: 0000000000000000 RSI: 00007fff19af85b0 RDI: 0000000000000005 [ 34.850030][ T778] RBP: 00007fff19af8510 R08: 0000000000000000 R09: 0000000000000000 [ 34.850031][ T778] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f0c8 [ 34.850032][ T778] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff19af8c70 | [ 35.856050][ T829] softirqs last disabled at (23074): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 35.856052][ T829] Preemption disabled at: | [ 35.856052][ T829] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.856060][ T829] Tainted: [W]=WARN [ 35.856061][ T829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.856062][ T829] Call Trace: [ 35.856064][ T829] [ 35.856065][ T829] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.856071][ T829] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.856073][ T829] __might_resched.cold (kernel/sched/core.c:9234) [ 35.856077][ T829] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.856081][ T829] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.856085][ T829] __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)) [ 35.856087][ T829] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.856093][ T829] ? 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) [ 35.856096][ T829] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.856099][ T829] put_chars (drivers/char/virtio_console.c:1176) [ 35.856101][ T829] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.856103][ T829] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.856106][ T829] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.856109][ T829] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.856114][ T829] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.856117][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.856122][ T829] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.856126][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.856130][ T829] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.856134][ T829] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.856136][ T829] ? 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)) [ 35.856139][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.856140][ T829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.856144][ T829] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.856148][ T829] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.856150][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.856155][ T829] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.856158][ T829] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.856160][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.856161][ T829] ? 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) [ 35.856165][ T829] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.856167][ T829] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.856169][ T829] vprintk_emit (kernel/printk/printk.c:2479) [ 35.856172][ T829] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.856174][ T829] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.856177][ T829] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 35.856180][ T829] _printk (kernel/printk/printk.c:2504) [ 35.856183][ T829] ? snapshot_read.cold (user.c:?) [ 35.856187][ T829] ? br_multicast_flood (??:?) [ 35.856190][ T829] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 35.856191][ T829] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 35.856192][ T829] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 35.856196][ T829] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 35.856200][ T829] br_init_port (net/bridge/br_stp_if.c:39) [ 35.856203][ T829] new_nbp (net/bridge/br_if.c:449) [ 35.856207][ T829] br_add_if (net/bridge/br_if.c:592) [ 35.856208][ T829] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 35.856216][ T829] do_set_master (net/core/rtnetlink.c:3071) [ 35.856219][ T829] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 35.856223][ T829] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 35.856224][ T829] ? __dev_get_by_name (net/core/dev.c:905) [ 35.856227][ T829] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 35.856236][ T829] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 35.856242][ T829] rtnl_newlink (net/core/rtnetlink.c:4215) [ 35.856247][ T829] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.856249][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.856256][ T829] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.856259][ T829] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.856261][ T829] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.856264][ T829] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.856266][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.856270][ T829] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.856272][ T829] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.856276][ T829] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.856278][ T829] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.856281][ T829] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.856291][ T829] ? 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)) [ 35.856293][ T829] ? 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)) [ 35.856298][ T829] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.856302][ T829] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.856307][ T829] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.856311][ T829] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.856315][ T829] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.856316][ T829] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 35.856322][ T829] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 35.856326][ T829] ____sys_sendmsg (net/socket.c:2713) [ 35.856328][ T829] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.856330][ T829] ? sock_write_iter (net/socket.c:1269) [ 35.856332][ T829] ? move_addr_to_kernel (net/socket.c:258) [ 35.856336][ T829] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 35.856339][ T829] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.856342][ T829] ___sys_sendmsg (net/socket.c:2767) [ 35.856344][ T829] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 35.856346][ T829] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.856349][ T829] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 35.856363][ T829] __sys_sendmsg (net/socket.c:2799) [ 35.856366][ T829] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.856372][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.856373][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.856376][ T829] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.856380][ T829] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.856382][ T829] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.856385][ T829] RIP: 0033:0x7fb45933754e [ 35.856389][ T829] 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 [ 35.856390][ T829] RSP: 002b:00007fff7c6d2590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.856393][ T829] RAX: ffffffffffffffda RBX: 00007fff7c6d2d58 RCX: 00007fb45933754e [ 35.856394][ T829] RDX: 0000000000000000 RSI: 00007fff7c6d2640 RDI: 0000000000000005 [ 35.856396][ T829] RBP: 00007fff7c6d25a0 R08: 0000000000000000 R09: 0000000000000000 [ 35.856396][ T829] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f0c9 [ 35.856397][ T829] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7c6d2d10 | [ 41.654562][ T223] softirqs last disabled at (51472): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 41.654564][ T223] Preemption disabled at: | [ 41.654565][ T223] 0x0 | [ 41.654575][ T223] Tainted: [W]=WARN [ 41.654576][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.654577][ T223] Workqueue: events_unbound linkwatch_event [ 41.654581][ T223] Call Trace: [ 41.654582][ T223] [ 41.654584][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.654590][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 41.654594][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.654598][ T223] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.654603][ T223] __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)) [ 41.654605][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.654612][ T223] ? 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) [ 41.654614][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.654618][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 41.654620][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.654623][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.654627][ T223] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.654631][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.654635][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.654637][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.654642][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.654646][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.654648][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.654652][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.654656][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.654658][ T223] ? 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)) [ 41.654662][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.654663][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.654668][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.654672][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.654674][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.654679][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.654682][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.654684][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.654686][ T223] ? 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) [ 41.654690][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.654692][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.654694][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 41.654698][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.654699][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.654702][ T223] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.654704][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.654707][ T223] _printk (kernel/printk/printk.c:2504) [ 41.654711][ T223] ? snapshot_read.cold (user.c:?) [ 41.654714][ T223] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 41.654720][ T223] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 41.654725][ T223] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 41.654728][ T223] br_port_carrier_check (net/bridge/br_if.c:95) [ 41.654732][ T223] br_device_event (net/bridge/br.c:101) [ 41.654735][ T223] ? packet_sendmsg_spkt (af_packet.c:?) [ 41.654741][ T223] notifier_call_chain (kernel/notifier.c:85) [ 41.654747][ T223] netif_state_change (net/core/dev.c:1625) [ 41.654751][ T223] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 41.654755][ T223] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.654758][ T223] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 41.654761][ T223] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 41.654763][ T223] __linkwatch_run_queue (net/core/link_watch.c:240) [ 41.654766][ T223] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.654768][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.654773][ T223] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 41.654775][ T223] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 41.654779][ T223] process_one_work (kernel/workqueue.c:3387) [ 41.654785][ T223] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 41.654788][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.654796][ T223] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.654800][ T223] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.654803][ T223] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 41.654805][ T223] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.654808][ T223] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.654810][ T223] kthread (kernel/kthread.c:436) [ 41.654812][ T223] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.654816][ T223] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.654819][ T223] ret_from_fork (arch/x86/kernel/process.c:158) [ 41.654823][ T223] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 41.654826][ T223] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 41.654832][ T223] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.654835][ T223] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.234097][ T12] softirqs last disabled at (235221): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 45.234100][ T12] Preemption disabled at: | [ 45.234101][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.234111][ T12] Tainted: [W]=WARN [ 45.234112][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.234114][ T12] Workqueue: netns cleanup_net [ 45.234118][ T12] Call Trace: [ 45.234120][ T12] [ 45.234122][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.234129][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.234131][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 45.234137][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.234142][ 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) [ 45.234148][ 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)) [ 45.234151][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.234160][ 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) [ 45.234164][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.234170][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 45.234174][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.234176][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.234182][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.234186][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.234195][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.234200][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.234210][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.234215][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.234224][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.234231][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.234234][ 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)) [ 45.234240][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.234243][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.234250][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.234257][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.234260][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.234270][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.234275][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.234277][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.234281][ 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) [ 45.234287][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.234290][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.234295][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 45.234301][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.234303][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 45.234306][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.234308][ T12] ? kthread (kernel/kthread.c:436) [ 45.234311][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 45.234315][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 45.234323][ T12] _printk (kernel/printk/printk.c:2504) [ 45.234333][ T12] ? snapshot_read.cold (user.c:?) [ 45.234341][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.234346][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.234353][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.234357][ T12] ? netdev_notice (net/core/dev.c:13194) [ 45.234365][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.234368][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 45.234372][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 45.234376][ 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) [ 45.234380][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 45.234387][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 45.234393][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 45.234403][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 45.234409][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 45.234414][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 45.234421][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 45.234426][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 45.234428][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.234433][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 45.234441][ T12] cleanup_net (net/core/net_namespace.c:706) [ 45.234446][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 45.234453][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.234456][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.234462][ T12] process_one_work (kernel/workqueue.c:3387) [ 45.234475][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.234479][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.234494][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.234507][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.234510][ T12] kthread (kernel/kthread.c:436) [ 45.234513][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.234517][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.234522][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.234526][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.234532][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.234537][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.234542][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.528381][ T1033] softirqs last disabled at (20574): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 46.528384][ T1033] Preemption disabled at: | [ 46.528384][ T1033] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.528393][ T1033] Tainted: [W]=WARN [ 46.528393][ T1033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.528395][ T1033] Call Trace: [ 46.528397][ T1033] [ 46.528398][ T1033] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.528404][ T1033] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.528406][ T1033] __might_resched.cold (kernel/sched/core.c:9234) [ 46.528410][ T1033] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.528414][ T1033] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.528418][ T1033] __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)) [ 46.528420][ T1033] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.528426][ T1033] ? 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) [ 46.528428][ T1033] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.528432][ T1033] put_chars (drivers/char/virtio_console.c:1176) [ 46.528434][ T1033] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.528440][ T1033] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.528448][ T1033] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.528451][ T1033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.528455][ T1033] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.528459][ T1033] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.528461][ T1033] ? 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)) [ 46.528464][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.528467][ T1033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.528471][ T1033] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.528475][ T1033] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.528477][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.528482][ T1033] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.528485][ T1033] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.528486][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.528488][ T1033] ? 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) [ 46.528492][ T1033] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.528494][ T1033] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.528496][ T1033] vprintk_emit (kernel/printk/printk.c:2479) [ 46.528499][ T1033] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.528502][ T1033] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 46.528507][ T1033] _printk (kernel/printk/printk.c:2504) [ 46.528510][ T1033] ? snapshot_read.cold (user.c:?) [ 46.528512][ T1033] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.528514][ T1033] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.528517][ T1033] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.528519][ T1033] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.528523][ T1033] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.528526][ T1033] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 46.528528][ T1033] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.528530][ T1033] ? netdev_notice (net/core/dev.c:13194) [ 46.528533][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.528536][ T1033] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.528539][ T1033] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 46.528542][ T1033] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 46.528544][ T1033] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 46.528546][ T1033] ? register_netdev (net/core/dev.c:11618) [ 46.528547][ T1033] ? 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)) [ 46.528552][ T1033] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 46.528555][ T1033] ? __kernel_text_address (kernel/extable.c:79) [ 46.528557][ T1033] ? write_profile (profile.c:?) [ 46.528561][ T1033] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 46.528566][ T1033] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 46.528570][ T1033] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 46.528572][ T1033] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 46.528573][ T1033] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 46.528575][ T1033] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 46.528578][ T1033] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.528580][ T1033] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.528582][ T1033] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.528584][ T1033] ? kasan_save_stack (mm/kasan/common.c:58) [ 46.528586][ T1033] ? kasan_save_stack (mm/kasan/common.c:57) [ 46.528588][ T1033] ? kasan_save_track (mm/kasan/common.c:78) [ 46.528589][ T1033] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 46.528591][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.528593][ T1033] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 46.528596][ T1033] ? ___sys_sendmsg (net/socket.c:2758) [ 46.528599][ T1033] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.528601][ T1033] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.528604][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.528605][ T1033] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.528607][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.528608][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.528610][ T1033] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 46.528612][ T1033] ? __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) [ 46.528613][ T1033] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 46.528615][ T1033] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.528618][ T1033] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 46.528620][ T1033] ? nla_get_range_signed (lib/nlattr.c:270) [ 46.528624][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.528626][ T1033] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 46.528632][ T1033] rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.528637][ T1033] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.528639][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.528643][ T1033] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.528645][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.528647][ T1033] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.528649][ T1033] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.528652][ T1033] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.528654][ T1033] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.528657][ T1033] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.528659][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.528663][ T1033] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.528665][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.528668][ T1033] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.528672][ T1033] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.528674][ T1033] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.528681][ T1033] ? 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)) [ 46.528683][ T1033] ? 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)) [ 46.528687][ T1033] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.528691][ T1033] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.528693][ T1033] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 46.528697][ T1033] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.528701][ T1033] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.528705][ T1033] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.528706][ T1033] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 46.528712][ T1033] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 46.528715][ T1033] ____sys_sendmsg (net/socket.c:2713) [ 46.528717][ T1033] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.528719][ T1033] ? sock_write_iter (net/socket.c:1269) [ 46.528721][ T1033] ? move_addr_to_kernel (net/socket.c:258) [ 46.528728][ T1033] ___sys_sendmsg (net/socket.c:2767) [ 46.528731][ T1033] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.528746][ T1033] __sys_sendmsg (net/socket.c:2799) [ 46.528749][ T1033] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.528755][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.528758][ T1033] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.528760][ T1033] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.528763][ T1033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.528765][ T1033] RIP: 0033:0x7fd6b05f654e [ 46.528769][ T1033] 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 [ 46.528771][ T1033] RSP: 002b:00007ffdb9a15ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.528773][ T1033] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd6b05f654e [ 46.528775][ T1033] RDX: 0000000000000000 RSI: 00007ffdb9a15b90 RDI: 0000000000000005 [ 46.528776][ T1033] RBP: 00007ffdb9a15af0 R08: 0000000000000000 R09: 0000000000000000 [ 46.528776][ T1033] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f0d3 [ 46.528777][ T1033] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb9a16250 | [ 47.588852][ T1083] softirqs last disabled at (22658): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 47.588855][ T1083] Preemption disabled at: | [ 47.588855][ T1083] vprintk_emit (kernel/printk/printk.c:2471) | [ 47.588863][ T1083] Tainted: [W]=WARN [ 47.588864][ T1083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.588866][ T1083] Call Trace: [ 47.588867][ T1083] [ 47.588869][ T1083] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.588875][ T1083] ? vprintk_emit (kernel/printk/printk.c:2471) [ 47.588876][ T1083] __might_resched.cold (kernel/sched/core.c:9234) [ 47.588881][ T1083] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.588884][ T1083] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 47.588889][ T1083] __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)) [ 47.588891][ T1083] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.588897][ T1083] ? 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) [ 47.588899][ T1083] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.588903][ T1083] put_chars (drivers/char/virtio_console.c:1176) [ 47.588905][ T1083] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.588906][ T1083] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.588910][ T1083] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.588915][ T1083] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.588923][ T1083] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.588925][ T1083] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.588927][ T1083] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.588931][ T1083] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.588935][ T1083] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.588937][ T1083] ? 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)) [ 47.588940][ T1083] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.588941][ T1083] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.588945][ T1083] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.588950][ T1083] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.588951][ T1083] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.588957][ T1083] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.588959][ T1083] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.588961][ T1083] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.588963][ T1083] ? 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) [ 47.588967][ T1083] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.588968][ T1083] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.588971][ T1083] vprintk_emit (kernel/printk/printk.c:2479) [ 47.588974][ T1083] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.588975][ T1083] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 47.588978][ T1083] ? __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) [ 47.588980][ T1083] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 47.588984][ T1083] _printk (kernel/printk/printk.c:2504) [ 47.588987][ T1083] ? snapshot_read.cold (user.c:?) [ 47.588990][ T1083] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 47.588994][ T1083] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 47.588998][ T1083] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 47.589003][ T1083] br_init_port (net/bridge/br_stp_if.c:39) [ 47.589005][ T1083] new_nbp (net/bridge/br_if.c:449) [ 47.589008][ T1083] br_add_if (net/bridge/br_if.c:592) [ 47.589011][ T1083] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 47.589012][ T1083] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 47.589018][ T1083] do_set_master (net/core/rtnetlink.c:3071) [ 47.589022][ T1083] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 47.589025][ T1083] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 47.589028][ T1083] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 47.589029][ T1083] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 47.589032][ T1083] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 47.589035][ T1083] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.589037][ T1083] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.589039][ T1083] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.589041][ T1083] ? kasan_save_stack (mm/kasan/common.c:58) [ 47.589044][ T1083] ? kasan_save_stack (mm/kasan/common.c:57) [ 47.589045][ T1083] ? kasan_save_track (mm/kasan/common.c:78) [ 47.589046][ T1083] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 47.589048][ T1083] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.589050][ T1083] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 47.589053][ T1083] ? ___sys_sendmsg (net/socket.c:2758) [ 47.589056][ T1083] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.589058][ T1083] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 47.589061][ T1083] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.589063][ T1083] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.589064][ T1083] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.589065][ T1083] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.589067][ T1083] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 47.589069][ T1083] ? __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) [ 47.589070][ T1083] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 47.589072][ T1083] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 47.589075][ T1083] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 47.589076][ T1083] ? nla_get_range_signed (lib/nlattr.c:270) [ 47.589081][ T1083] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.589083][ T1083] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 47.589088][ T1083] rtnl_newlink (net/core/rtnetlink.c:4215) [ 47.589093][ T1083] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 47.589095][ T1083] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.589100][ T1083] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.589102][ T1083] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.589104][ T1083] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 47.589105][ T1083] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.589109][ T1083] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 47.589111][ T1083] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 47.589114][ T1083] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 47.589116][ T1083] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.589120][ T1083] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.589122][ T1083] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.589125][ T1083] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 47.589128][ T1083] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 47.589131][ T1083] ? netlink_ack (./include/linux/skbuff.h:2718) [ 47.589138][ T1083] ? 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)) [ 47.589139][ T1083] ? 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)) [ 47.589144][ T1083] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 47.589148][ T1083] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 47.589150][ T1083] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.589154][ T1083] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 47.589158][ T1083] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 47.589162][ T1083] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.589164][ T1083] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 47.589169][ T1083] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 47.589171][ T1083] ____sys_sendmsg (net/socket.c:2713) [ 47.589174][ T1083] ? copy_msghdr_from_user (net/socket.c:2650) [ 47.589176][ T1083] ? sock_write_iter (net/socket.c:1269) [ 47.589177][ T1083] ? move_addr_to_kernel (net/socket.c:258) [ 47.589185][ T1083] ___sys_sendmsg (net/socket.c:2767) [ 47.589187][ T1083] ? copy_msghdr_from_user (net/socket.c:2619) [ 47.589203][ T1083] __sys_sendmsg (net/socket.c:2799) [ 47.589206][ T1083] ? __sys_sendmsg_sock (net/socket.c:2780) [ 47.589212][ T1083] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.589215][ T1083] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 47.589218][ T1083] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 47.589221][ T1083] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 47.589223][ T1083] RIP: 0033:0x7f07bc41254e [ 47.589227][ T1083] 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 [ 47.589229][ T1083] RSP: 002b:00007ffd2a87ce60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 47.589231][ T1083] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f07bc41254e [ 47.589233][ T1083] RDX: 0000000000000000 RSI: 00007ffd2a87cf10 RDI: 0000000000000005 [ 47.589233][ T1083] RBP: 00007ffd2a87ce70 R08: 0000000000000000 R09: 0000000000000000 [ 47.589234][ T1083] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f0d4 [ 47.589235][ T1083] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2a87d5e0 | [ 53.389874][ T223] softirqs last disabled at (128008): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 53.389877][ T223] Preemption disabled at: | [ 53.389877][ T223] 0x0 | [ 53.389887][ T223] Tainted: [W]=WARN [ 53.389888][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.389890][ T223] Workqueue: events_unbound linkwatch_event [ 53.389893][ T223] Call Trace: [ 53.389895][ T223] [ 53.389896][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.389902][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 53.389907][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 53.389911][ T223] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 53.389915][ T223] __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)) [ 53.389917][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.389923][ T223] ? 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) [ 53.389926][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.389930][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 53.389932][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 53.389936][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.389939][ T223] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.389944][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 53.389948][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.389949][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.389954][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 53.389958][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.389960][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.389965][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 53.389969][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 53.389971][ T223] ? 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)) [ 53.389974][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.389976][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.389980][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 53.389984][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 53.389986][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.389992][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 53.389995][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 53.389997][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.389998][ T223] ? 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) [ 53.390002][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 53.390004][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 53.390007][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 53.390010][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 53.390011][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.390014][ T223] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.390016][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.390020][ T223] _printk (kernel/printk/printk.c:2504) [ 53.390023][ T223] ? snapshot_read.cold (user.c:?) [ 53.390026][ T223] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 53.390033][ T223] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 53.390037][ T223] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 53.390041][ T223] br_port_carrier_check (net/bridge/br_if.c:95) [ 53.390044][ T223] br_device_event (net/bridge/br.c:101) [ 53.390048][ T223] ? packet_sendmsg_spkt (af_packet.c:?) [ 53.390054][ T223] notifier_call_chain (kernel/notifier.c:85) [ 53.390059][ T223] netif_state_change (net/core/dev.c:1625) [ 53.390063][ T223] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 53.390067][ T223] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 53.390071][ T223] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 53.390073][ T223] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 53.390075][ T223] __linkwatch_run_queue (net/core/link_watch.c:240) [ 53.390078][ T223] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 53.390081][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.390085][ T223] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 53.390087][ T223] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 53.390091][ T223] process_one_work (kernel/workqueue.c:3387) [ 53.390097][ T223] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 53.390100][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.390108][ T223] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 53.390113][ T223] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.390115][ T223] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 53.390117][ T223] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.390120][ T223] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.390122][ T223] kthread (kernel/kthread.c:436) [ 53.390124][ T223] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 53.390128][ T223] ? kthread_affine_preferred (kernel/kthread.c:857) [ 53.390131][ T223] ret_from_fork (arch/x86/kernel/process.c:158) [ 53.390135][ T223] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 53.390139][ T223] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 53.390142][ T223] ? kthread_affine_preferred (kernel/kthread.c:857) [ 53.390145][ T223] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 54.424988][ T46] softirqs last disabled at (99156): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 54.424990][ T46] Preemption disabled at: | [ 54.424991][ T46] 0x0 | [ 54.425001][ T46] Tainted: [W]=WARN [ 54.425002][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 54.425003][ T46] Workqueue: events_unbound linkwatch_event [ 54.425006][ T46] Call Trace: [ 54.425008][ T46] [ 54.425009][ T46] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 54.425016][ T46] __might_resched.cold (kernel/sched/core.c:9234) [ 54.425020][ T46] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 54.425024][ T46] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 54.425028][ T46] __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)) [ 54.425030][ T46] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.425037][ T46] ? 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) [ 54.425039][ T46] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.425043][ T46] put_chars (drivers/char/virtio_console.c:1176) [ 54.425046][ T46] ? __send_to_port (drivers/char/virtio_console.c:654) [ 54.425049][ T46] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 54.425052][ T46] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 54.425057][ T46] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 54.425061][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 54.425063][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 54.425068][ T46] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 54.425071][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.425074][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.425078][ T46] console_emit_next_record (kernel/printk/printk.c:3183) [ 54.425082][ T46] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 54.425084][ T46] ? 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)) [ 54.425087][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.425089][ T46] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.425093][ T46] console_flush_one_record (kernel/printk/printk.c:3268) [ 54.425097][ T46] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 54.425099][ T46] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 54.425105][ T46] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 54.425108][ T46] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 54.425110][ T46] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.425112][ T46] ? 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) [ 54.425116][ T46] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 54.425117][ T46] ? vprintk_emit (kernel/printk/printk.c:2478) [ 54.425120][ T46] vprintk_emit (kernel/printk/printk.c:2479) [ 54.425123][ T46] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 54.425125][ T46] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 54.425127][ T46] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 54.425130][ T46] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 54.425133][ T46] _printk (kernel/printk/printk.c:2504) [ 54.425137][ T46] ? snapshot_read.cold (user.c:?) [ 54.425140][ T46] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 54.425146][ T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 54.425151][ T46] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 54.425154][ T46] br_port_carrier_check (net/bridge/br_if.c:95) [ 54.425158][ T46] br_device_event (net/bridge/br.c:101) [ 54.425161][ T46] ? packet_sendmsg_spkt (af_packet.c:?) [ 54.425167][ T46] notifier_call_chain (kernel/notifier.c:85) [ 54.425174][ T46] netif_state_change (net/core/dev.c:1625) [ 54.425177][ T46] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 54.425181][ T46] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 54.425185][ T46] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 54.425187][ T46] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 54.425190][ T46] __linkwatch_run_queue (net/core/link_watch.c:240) [ 54.425193][ T46] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 54.425195][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 54.425200][ T46] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 54.425202][ T46] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 54.425205][ T46] process_one_work (kernel/workqueue.c:3387) [ 54.425212][ T46] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 54.425215][ T46] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 54.425224][ T46] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 54.425232][ T46] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 54.425234][ T46] kthread (kernel/kthread.c:436) [ 54.425236][ T46] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 54.425239][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 54.425242][ T46] ret_from_fork (arch/x86/kernel/process.c:158) [ 54.425247][ T46] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 54.425250][ T46] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 54.425254][ T46] ? kthread_affine_preferred (kernel/kthread.c:857) [ 54.425257][ T46] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 60.648275][ T12] softirqs last disabled at (361080): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 60.648277][ T12] Preemption disabled at: | [ 60.648278][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 60.648286][ T12] Tainted: [W]=WARN [ 60.648287][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 60.648288][ T12] Workqueue: netns cleanup_net [ 60.648291][ T12] Call Trace: [ 60.648293][ T12] [ 60.648295][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 60.648301][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 60.648302][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 60.648307][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 60.648311][ 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) [ 60.648315][ 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)) [ 60.648317][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.648324][ 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) [ 60.648326][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 60.648330][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 60.648332][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 60.648334][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 60.648337][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 60.648340][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 60.648345][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 60.648349][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.648354][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 60.648357][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.648362][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 60.648366][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 60.648367][ 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)) [ 60.648371][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.648373][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.648377][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 60.648381][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 60.648383][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 60.648388][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 60.648391][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 60.648393][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.648400][ 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) [ 60.648404][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 60.648406][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 60.648408][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 60.648411][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 60.648413][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 60.648414][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 60.648416][ T12] ? kthread (kernel/kthread.c:436) [ 60.648418][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 60.648421][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 60.648426][ T12] _printk (kernel/printk/printk.c:2504) [ 60.648430][ T12] ? snapshot_read.cold (user.c:?) [ 60.648434][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 60.648438][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 60.648442][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 60.648445][ T12] ? netdev_notice (net/core/dev.c:13194) [ 60.648449][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.648451][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 60.648454][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 60.648456][ 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) [ 60.648458][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 60.648462][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 60.648466][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 60.648472][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 60.648476][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 60.648479][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 60.648483][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 60.648486][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 60.648488][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 60.648491][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 60.648496][ T12] cleanup_net (net/core/net_namespace.c:706) [ 60.648499][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 60.648503][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 60.648505][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 60.648508][ T12] process_one_work (kernel/workqueue.c:3387) [ 60.648514][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 60.648517][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 60.648525][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 60.648532][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 60.648534][ T12] kthread (kernel/kthread.c:436) [ 60.648536][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 60.648540][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 60.648542][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 60.648545][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 60.648549][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 60.648552][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 60.648555][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 61.754364][ T1269] softirqs last disabled at (23022): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 61.754366][ T1269] Preemption disabled at: | [ 61.754367][ T1269] vprintk_emit (kernel/printk/printk.c:2471) | [ 61.754374][ T1269] Tainted: [W]=WARN [ 61.754375][ T1269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 61.754377][ T1269] Call Trace: [ 61.754378][ T1269] [ 61.754380][ T1269] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 61.754386][ T1269] ? vprintk_emit (kernel/printk/printk.c:2471) [ 61.754387][ T1269] __might_resched.cold (kernel/sched/core.c:9234) [ 61.754392][ T1269] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 61.754396][ T1269] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 61.754404][ T1269] __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)) [ 61.754406][ T1269] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.754412][ T1269] ? 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) [ 61.754415][ T1269] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.754418][ T1269] put_chars (drivers/char/virtio_console.c:1176) [ 61.754421][ T1269] ? __send_to_port (drivers/char/virtio_console.c:654) [ 61.754427][ T1269] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 61.754434][ T1269] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 61.754437][ T1269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.754441][ T1269] console_emit_next_record (kernel/printk/printk.c:3183) [ 61.754445][ T1269] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 61.754447][ T1269] ? 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)) [ 61.754450][ T1269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.754453][ T1269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.754457][ T1269] console_flush_one_record (kernel/printk/printk.c:3268) [ 61.754461][ T1269] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 61.754463][ T1269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.754468][ T1269] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 61.754470][ T1269] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 61.754472][ T1269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.754474][ T1269] ? 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) [ 61.754478][ T1269] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 61.754479][ T1269] ? vprintk_emit (kernel/printk/printk.c:2478) [ 61.754482][ T1269] vprintk_emit (kernel/printk/printk.c:2479) [ 61.754485][ T1269] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 61.754488][ T1269] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 61.754493][ T1269] _printk (kernel/printk/printk.c:2504) [ 61.754496][ T1269] ? snapshot_read.cold (user.c:?) [ 61.754498][ T1269] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 61.754500][ T1269] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 61.754503][ T1269] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 61.754505][ T1269] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 61.754509][ T1269] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 61.754512][ T1269] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.754514][ T1269] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 61.754517][ T1269] ? netdev_notice (net/core/dev.c:13194) [ 61.754520][ T1269] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.754522][ T1269] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 61.754525][ T1269] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 61.754528][ T1269] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.754530][ T1269] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 61.754532][ T1269] ? register_netdev (net/core/dev.c:11618) [ 61.754534][ T1269] ? 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)) [ 61.754539][ T1269] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 61.754541][ T1269] ? __kernel_text_address (kernel/extable.c:79) [ 61.754544][ T1269] ? write_profile (profile.c:?) [ 61.754548][ T1269] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 61.754553][ T1269] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.754556][ T1269] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 61.754558][ T1269] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 61.754559][ T1269] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 61.754561][ T1269] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 61.754565][ T1269] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 61.754566][ T1269] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 61.754568][ T1269] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 61.754570][ T1269] ? kasan_save_stack (mm/kasan/common.c:58) [ 61.754572][ T1269] ? kasan_save_stack (mm/kasan/common.c:57) [ 61.754574][ T1269] ? kasan_save_track (mm/kasan/common.c:78) [ 61.754575][ T1269] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 61.754577][ T1269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.754579][ T1269] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 61.754582][ T1269] ? ___sys_sendmsg (net/socket.c:2758) [ 61.754585][ T1269] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 61.754587][ T1269] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 61.754590][ T1269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.754591][ T1269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.754593][ T1269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.754594][ T1269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.754596][ T1269] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 61.754598][ T1269] ? __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) [ 61.754599][ T1269] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 61.754601][ T1269] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 61.754604][ T1269] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 61.754605][ T1269] ? nla_get_range_signed (lib/nlattr.c:270) [ 61.754610][ T1269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.754612][ T1269] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 61.754617][ T1269] rtnl_newlink (net/core/rtnetlink.c:4215) [ 61.754622][ T1269] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.754624][ T1269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.754629][ T1269] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 61.754631][ T1269] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.754632][ T1269] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.754634][ T1269] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 61.754638][ T1269] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.754640][ T1269] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 61.754643][ T1269] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 61.754644][ T1269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.754648][ T1269] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 61.754650][ T1269] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.754653][ T1269] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 61.754657][ T1269] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 61.754659][ T1269] ? netlink_ack (./include/linux/skbuff.h:2718) [ 61.754666][ T1269] ? 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)) [ 61.754668][ T1269] ? 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)) [ 61.754672][ T1269] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 61.754676][ T1269] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 61.754678][ T1269] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.754682][ T1269] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 61.754686][ T1269] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 61.754690][ T1269] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 61.754691][ T1269] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 61.754696][ T1269] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 61.754699][ T1269] ____sys_sendmsg (net/socket.c:2713) [ 61.754701][ T1269] ? copy_msghdr_from_user (net/socket.c:2650) [ 61.754703][ T1269] ? sock_write_iter (net/socket.c:1269) [ 61.754705][ T1269] ? move_addr_to_kernel (net/socket.c:258) [ 61.754712][ T1269] ___sys_sendmsg (net/socket.c:2767) [ 61.754715][ T1269] ? copy_msghdr_from_user (net/socket.c:2619) [ 61.754730][ T1269] __sys_sendmsg (net/socket.c:2799) [ 61.754733][ T1269] ? __sys_sendmsg_sock (net/socket.c:2780) [ 61.754739][ T1269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.754742][ T1269] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 61.754745][ T1269] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 61.754747][ T1269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 61.754749][ T1269] RIP: 0033:0x7fedd074e54e [ 61.754753][ T1269] 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 [ 61.754755][ T1269] RSP: 002b:00007ffeeca6d220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 61.754757][ T1269] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fedd074e54e [ 61.754759][ T1269] RDX: 0000000000000000 RSI: 00007ffeeca6d2d0 RDI: 0000000000000005 [ 61.754760][ T1269] RBP: 00007ffeeca6d230 R08: 0000000000000000 R09: 0000000000000000 [ 61.754761][ T1269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f0e3 [ 61.754761][ T1269] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeeca6d990 | [ 68.020396][ T61] softirqs last disabled at (149118): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 68.020398][ T61] Preemption disabled at: | [ 68.020399][ T61] 0x0 | [ 68.020409][ T61] Tainted: [W]=WARN [ 68.020410][ T61] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 68.020411][ T61] Workqueue: events_unbound linkwatch_event [ 68.020415][ T61] Call Trace: [ 68.020416][ T61] [ 68.020418][ T61] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 68.020424][ T61] __might_resched.cold (kernel/sched/core.c:9234) [ 68.020434][ T61] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 68.020438][ T61] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 68.020443][ T61] __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)) [ 68.020445][ T61] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 68.020451][ T61] ? 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) [ 68.020454][ T61] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 68.020457][ T61] put_chars (drivers/char/virtio_console.c:1176) [ 68.020460][ T61] ? __send_to_port (drivers/char/virtio_console.c:654) [ 68.020463][ T61] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 68.020467][ T61] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 68.020471][ T61] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 68.020475][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 68.020477][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 68.020482][ T61] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 68.020486][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.020488][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.020492][ T61] console_emit_next_record (kernel/printk/printk.c:3183) [ 68.020496][ T61] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 68.020498][ T61] ? 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)) [ 68.020501][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.020503][ T61] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.020507][ T61] console_flush_one_record (kernel/printk/printk.c:3268) [ 68.020512][ T61] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 68.020513][ T61] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 68.020519][ T61] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 68.020522][ T61] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 68.020524][ T61] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.020526][ T61] ? 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) [ 68.020530][ T61] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 68.020531][ T61] ? vprintk_emit (kernel/printk/printk.c:2478) [ 68.020534][ T61] vprintk_emit (kernel/printk/printk.c:2479) [ 68.020537][ T61] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 68.020539][ T61] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 68.020541][ T61] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 68.020544][ T61] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 68.020547][ T61] _printk (kernel/printk/printk.c:2504) [ 68.020551][ T61] ? snapshot_read.cold (user.c:?) [ 68.020554][ T61] ? add_chain_block (kernel/locking/lockdep.c:3413 kernel/locking/lockdep.c:3454) [ 68.020560][ T61] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 68.020565][ T61] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 68.020568][ T61] br_port_carrier_check (net/bridge/br_if.c:95) [ 68.020572][ T61] br_device_event (net/bridge/br.c:101) [ 68.020576][ T61] ? packet_sendmsg_spkt (af_packet.c:?) [ 68.020582][ T61] notifier_call_chain (kernel/notifier.c:85) [ 68.020588][ T61] netif_state_change (net/core/dev.c:1625) [ 68.020591][ T61] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 68.020595][ T61] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 68.020599][ T61] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 68.020601][ T61] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 68.020603][ T61] __linkwatch_run_queue (net/core/link_watch.c:240) [ 68.020606][ T61] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 68.020609][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 68.020613][ T61] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 68.020615][ T61] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 68.020619][ T61] process_one_work (kernel/workqueue.c:3387) [ 68.020626][ T61] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 68.020629][ T61] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 68.020637][ T61] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 68.020641][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 68.020643][ T61] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 68.020645][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 68.020648][ T61] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 68.020650][ T61] kthread (kernel/kthread.c:436) [ 68.020652][ T61] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 68.020656][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 68.020659][ T61] ret_from_fork (arch/x86/kernel/process.c:158) [ 68.020663][ T61] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 68.020666][ T61] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 68.020670][ T61] ? kthread_affine_preferred (kernel/kthread.c:857) [ 68.020673][ T61] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 77.272919][ C3] softirqs last disabled at (3120341): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 77.272920][ C3] Preemption disabled at: | [ 77.272921][ C3] 0x0 | [ 77.272930][ C3] Tainted: [W]=WARN [ 77.272931][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.272933][ C3] Call Trace: [ 77.272935][ C3] [ 77.272936][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 77.272942][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 77.272946][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 77.272949][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 77.272952][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.272955][ C3] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 77.272957][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.272960][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.272964][ C3] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 77.272966][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.272968][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 77.272970][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 77.272972][ C3] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 77.272975][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 77.272979][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 77.272981][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.272982][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.272985][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 77.272987][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 77.272989][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.272990][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.272991][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.272993][ C3] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 77.272995][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 77.272997][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 77.273000][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 77.273002][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.273003][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 77.273005][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.273006][ C3] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.273007][ C3] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 77.273009][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 77.273011][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 77.273012][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 77.273014][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 77.273015][ C3] ? common_startup_64 (arch/x86/kernel/head_64.S:418) [ 77.273019][ C3] _printk (kernel/printk/printk.c:2504) [ 77.273022][ C3] ? snapshot_read.cold (user.c:?) [ 77.273023][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 77.273026][ C3] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 77.273028][ C3] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 77.273030][ C3] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 77.273032][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 77.273035][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 77.273037][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 77.273038][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 77.273040][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 77.273042][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.273045][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.273047][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.273048][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.273050][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 77.273051][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.273052][ C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.273054][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.273055][ C3] call_timer_fn (kernel/time/timer.c:1748) [ 77.273058][ C3] ? detach_if_pending (./include/linux/list.h:1159) [ 77.273060][ C3] ? debug_object_active_state (lib/debugobjects.c:1122) [ 77.273063][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 77.273065][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.273066][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.273068][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 77.273070][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.273072][ C3] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 77.273073][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.273076][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.273078][ C3] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 77.273080][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 77.273082][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 77.273085][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.273086][ C3] handle_softirqs (kernel/softirq.c:645) [ 77.273088][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.273089][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 77.273091][ C3] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 77.273093][ C3] irq_exit_rcu (kernel/softirq.c:784) [ 77.273095][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 77.273097][ C3] [ 77.273097][ C3] [ 77.273098][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 77.273099][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 77.273102][ C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 77.273104][ C3] Code: 48 8b 3d 94 92 68 02 e8 1f 00 00 00 48 2b 05 58 e3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 16 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 92 68 02 mov 0x2689294(%rip),%rdi # 0x268929b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 e3 a0 00 sub 0xa0e358(%rip),%rax # 0xa0e36b 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 16 0e 00 verw 0xe1613(%rip) # 0xe163b 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 [ 77.273106][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 77.273109][ C3] RAX: 00000000002f9cd3 RBX: ff11000001cb8040 RCX: ffffffffa4906247 [ 77.273110][ C3] RDX: ff11000001cb8040 RSI: ffffffffa7b11042 RDI: ffffffffa74949e0 [ 77.273111][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 77.273112][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 77.273112][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 77.273114][ C3] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 77.273117][ C3] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 77.273119][ C3] default_idle_call (kernel/sched/idle.c:122) [ 77.273120][ C3] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 77.273122][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 77.273124][ C3] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 77.273126][ C3] ? trace_sched_exit_tp (./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/sched.h:886) [ 77.273128][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.273129][ C3] do_idle (kernel/sched/idle.c:355) [ 77.273131][ C3] cpu_startup_entry (kernel/sched/idle.c:454) [ 77.273132][ C3] start_secondary (arch/x86/kernel/smpboot.c:312) [ 77.273134][ C3] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 77.273136][ C3] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 77.332227][ C3] | [ 77.332290][ C3] | [ 77.332290][ C3] stack backtrace: | [ 77.332577][ C3] Tainted: [W]=WARN [ 77.332578][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.332579][ C3] Call Trace: [ 77.332580][ C3] [ 77.332581][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 77.332585][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 77.332588][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 77.332591][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 77.332593][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 77.332594][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 77.332596][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 77.332598][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.332600][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.332602][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.332604][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.332605][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 77.332606][ C3] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.332608][ C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 77.332609][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.332610][ C3] call_timer_fn (kernel/time/timer.c:1748) [ 77.332612][ C3] ? detach_if_pending (./include/linux/list.h:1159) [ 77.332614][ C3] ? debug_object_active_state (lib/debugobjects.c:1122) [ 77.332617][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 77.332618][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.332620][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.332622][ C3] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 77.332623][ C3] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 77.332625][ C3] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 77.332627][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.332630][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.332633][ C3] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 77.332635][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 77.332636][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 77.332639][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.332640][ C3] handle_softirqs (kernel/softirq.c:645) [ 77.332642][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.332643][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 77.332646][ C3] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 77.332647][ C3] irq_exit_rcu (kernel/softirq.c:784) [ 77.332649][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 77.332650][ C3] [ 77.332651][ C3] [ 77.332651][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 77.332653][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 77.332654][ C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 77.332656][ C3] Code: 48 8b 3d 94 92 68 02 e8 1f 00 00 00 48 2b 05 58 e3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 16 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 92 68 02 mov 0x2689294(%rip),%rdi # 0x268929b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 e3 a0 00 sub 0xa0e358(%rip),%rax # 0xa0e36b 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 16 0e 00 verw 0xe1613(%rip) # 0xe163b 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 [ 77.332657][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 77.332659][ C3] RAX: 00000000002f9cd3 RBX: ff11000001cb8040 RCX: ffffffffa4906247 [ 77.332660][ C3] RDX: ff11000001cb8040 RSI: ffffffffa7b11042 RDI: ffffffffa74949e0 [ 77.332661][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 77.332662][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 77.332663][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 77.332664][ C3] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 77.332666][ C3] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 77.332668][ C3] default_idle_call (kernel/sched/idle.c:122) [ 77.332669][ C3] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 77.332671][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 77.332672][ C3] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 77.332674][ C3] ? trace_sched_exit_tp (./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/sched.h:886) [ 77.332677][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.332678][ C3] do_idle (kernel/sched/idle.c:355) [ 77.332679][ C3] cpu_startup_entry (kernel/sched/idle.c:454) [ 77.332681][ C3] start_secondary (arch/x86/kernel/smpboot.c:312) [ 77.332682][ C3] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 77.332684][ C3] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 98.117404][ T12] softirqs last disabled at (467858): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 98.117406][ T12] Preemption disabled at: | [ 98.117406][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 98.117416][ T12] Tainted: [W]=WARN [ 98.117417][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 98.117419][ T12] Workqueue: netns cleanup_net [ 98.117424][ T12] Call Trace: [ 98.117426][ T12] [ 98.117427][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 98.117433][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 98.117434][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 98.117438][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 98.117440][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 98.117443][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.117445][ 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)) [ 98.117448][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 98.117451][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 98.117455][ 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) [ 98.117457][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 98.117459][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 98.117461][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 98.117462][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 98.117465][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 98.117469][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 98.117471][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 98.117473][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 98.117475][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.117476][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.117478][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 98.117480][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 98.117482][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.117483][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.117484][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.117485][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.117487][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 98.117489][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 98.117491][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 98.117494][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 98.117495][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.117497][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 98.117499][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.117499][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 98.117501][ 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) [ 98.117502][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 98.117504][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 98.117505][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 98.117507][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 98.117508][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 98.117509][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 98.117511][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 98.117514][ T12] ? kthread (kernel/kthread.c:436) [ 98.117515][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 98.117518][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 98.117521][ T12] _printk (kernel/printk/printk.c:2504) [ 98.117523][ T12] ? snapshot_read.cold (user.c:?) [ 98.117525][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 98.117528][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 98.117530][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 98.117533][ T12] ? netdev_notice (net/core/dev.c:13194) [ 98.117535][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.117536][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 98.117537][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 98.117540][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 98.117541][ 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) [ 98.117543][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 98.117545][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 98.117547][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 98.117551][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 98.117553][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 98.117555][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 98.117557][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 98.117559][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 98.117562][ T12] cleanup_net (net/core/net_namespace.c:706) [ 98.117563][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 98.117565][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.117567][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.117568][ T12] process_one_work (kernel/workqueue.c:3387) [ 98.117571][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 98.117573][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 98.117575][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 98.117585][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 98.117588][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 98.117590][ T12] kthread (kernel/kthread.c:436) [ 98.117591][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 98.117593][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 98.117594][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 98.117596][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 98.117598][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 98.117601][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock __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 __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars