====================================== | [ 10.110181][ T223] softirqs last disabled at (15300): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.110184][ T223] Preemption disabled at: | [ 10.110184][ T223] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.110215][ T223] Tainted: [W]=WARN [ 10.110215][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.110217][ T223] Call Trace: [ 10.110218][ T223] [ 10.110220][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.110226][ T223] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.110227][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 10.110232][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.110236][ 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) [ 10.110240][ 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)) [ 10.110242][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.110249][ 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) [ 10.110251][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.110255][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 10.110257][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.110264][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.110271][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.110274][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.110279][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.110283][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.110284][ 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)) [ 10.110288][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.110290][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.110294][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.110298][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.110300][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.110305][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.110308][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.110310][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.110311][ 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) [ 10.110315][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.110316][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.110319][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 10.110322][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.110324][ T223] ? save_trace (kernel/locking/lockdep.c:589) [ 10.110328][ T223] _printk (kernel/printk/printk.c:2504) [ 10.110332][ T223] ? snapshot_read.cold (user.c:?) [ 10.110335][ T223] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.110337][ T223] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.110341][ T223] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.110344][ T223] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.110346][ T223] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.110349][ T223] ? netdev_notice (net/core/dev.c:13194) [ 10.110351][ T223] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.110354][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.110357][ T223] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.110360][ T223] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.110362][ T223] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.110364][ T223] ? 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)) [ 10.110369][ T223] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.110372][ T223] ? __kernel_text_address (kernel/extable.c:79) [ 10.110374][ T223] ? write_profile (profile.c:?) [ 10.110378][ T223] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.110384][ T223] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.110387][ T223] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.110389][ T223] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.110390][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.110393][ T223] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.110396][ T223] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.110398][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.110400][ T223] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.110402][ T223] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.110404][ T223] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.110405][ T223] ? kasan_save_track (mm/kasan/common.c:78) [ 10.110406][ T223] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.110409][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.110410][ T223] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.110413][ T223] ? ___sys_sendmsg (net/socket.c:2758) [ 10.110417][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.110419][ T223] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.110421][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.110423][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.110424][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.110425][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.110427][ T223] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.110429][ T223] ? __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) [ 10.110432][ T223] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.110434][ T223] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.110437][ T223] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.110438][ T223] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.110443][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.110446][ T223] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.110451][ T223] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.110456][ T223] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.110458][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.110464][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.110466][ T223] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.110468][ T223] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.110470][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.110473][ T223] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.110475][ T223] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.110478][ T223] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.110480][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.110484][ T223] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.110486][ T223] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.110489][ T223] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.110492][ T223] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.110495][ T223] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.110501][ T223] ? 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)) [ 10.110503][ T223] ? 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)) [ 10.110508][ T223] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.110512][ T223] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.110514][ T223] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.110518][ T223] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.110522][ T223] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.110526][ T223] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.110527][ T223] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.110532][ T223] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.110535][ T223] ____sys_sendmsg (net/socket.c:2713) [ 10.110537][ T223] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.110540][ T223] ? sock_write_iter (net/socket.c:1269) [ 10.110541][ T223] ? move_addr_to_kernel (net/socket.c:258) [ 10.110548][ T223] ___sys_sendmsg (net/socket.c:2767) [ 10.110551][ T223] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.110567][ T223] __sys_sendmsg (net/socket.c:2799) [ 10.110570][ T223] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.110576][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.110579][ T223] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.110582][ T223] ? irq_exit_rcu (kernel/softirq.c:786) [ 10.110586][ T223] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.110588][ T223] RIP: 0033:0x7fb05f42454e [ 10.110591][ T223] 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 [ 10.110593][ T223] RSP: 002b:00007ffd484471e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.110595][ T223] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb05f42454e [ 10.110597][ T223] RDX: 0000000000000000 RSI: 00007ffd48447290 RDI: 0000000000000005 [ 10.110598][ T223] RBP: 00007ffd484471f0 R08: 0000000000000000 R09: 0000000000000000 [ 10.110598][ T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e6b [ 10.110599][ T223] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd48447960 | [ 11.311010][ T37] softirqs last disabled at (63936): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 11.311013][ T37] Preemption disabled at: | [ 11.311013][ T37] 0x0 | [ 11.311024][ T37] Tainted: [W]=WARN [ 11.311025][ T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.311026][ T37] Workqueue: events_unbound linkwatch_event [ 11.311030][ T37] Call Trace: [ 11.311031][ T37] [ 11.311033][ T37] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.311039][ T37] __might_resched.cold (kernel/sched/core.c:9234) [ 11.311044][ T37] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.311048][ 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) [ 11.311053][ 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)) [ 11.311055][ T37] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.311062][ 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) [ 11.311064][ T37] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.311068][ T37] put_chars (drivers/char/virtio_console.c:1176) [ 11.311071][ T37] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.311072][ T37] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 11.311077][ T37] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.311081][ T37] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.311085][ T37] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.311087][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.311088][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.311093][ T37] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.311095][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.311099][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.311103][ T37] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.311107][ T37] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.311109][ 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)) [ 11.311113][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.311115][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.311120][ T37] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.311124][ T37] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.311126][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.311131][ T37] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.311134][ T37] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.311136][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.311138][ 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) [ 11.311142][ T37] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.311143][ T37] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.311146][ T37] vprintk_emit (kernel/printk/printk.c:2479) [ 11.311150][ T37] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.311155][ T37] _printk (kernel/printk/printk.c:2504) [ 11.311159][ T37] ? snapshot_read.cold (user.c:?) [ 11.311165][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.311169][ T37] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.311173][ T37] br_init_port (net/bridge/br_stp_if.c:39) [ 11.311175][ T37] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 11.311177][ T37] br_port_carrier_check (net/bridge/br_if.c:90) [ 11.311181][ T37] br_device_event (net/bridge/br.c:101) [ 11.311185][ T37] ? packet_sendmsg_spkt (af_packet.c:?) [ 11.311187][ T37] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 11.311194][ T37] notifier_call_chain (kernel/notifier.c:85) [ 11.311200][ T37] netif_state_change (net/core/dev.c:1625) [ 11.311205][ T37] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.311210][ T37] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 11.311212][ T37] __linkwatch_run_queue (net/core/link_watch.c:240) [ 11.311215][ T37] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.311218][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.311222][ T37] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 11.311225][ T37] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 11.311228][ T37] process_one_work (kernel/workqueue.c:3387) [ 11.311235][ T37] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 11.311238][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.311246][ T37] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 11.311254][ T37] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 11.311256][ T37] kthread (kernel/kthread.c:436) [ 11.311258][ T37] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.311261][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.311264][ T37] ret_from_fork (arch/x86/kernel/process.c:158) [ 11.311268][ T37] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 11.311272][ T37] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 11.311275][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 11.311278][ T37] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 12.342859][ T71] softirqs last disabled at (73876): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 12.342861][ T71] Preemption disabled at: | [ 12.342861][ T71] 0x0 | [ 12.342871][ T71] Tainted: [W]=WARN [ 12.342872][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.342874][ T71] Workqueue: netns cleanup_net [ 12.342877][ T71] Call Trace: [ 12.342878][ T71] [ 12.342880][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.342887][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 12.342892][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.342896][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.342900][ T71] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.342902][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.342909][ T71] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.342911][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.342915][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 12.342917][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.342924][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.342931][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.342935][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.342939][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.342943][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.342945][ T71] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.342948][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.342951][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.342955][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.342959][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.342963][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.342968][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.342971][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.342973][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.342975][ T71] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 12.342979][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.342980][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.342983][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 12.342986][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.342988][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.342990][ T71] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.342992][ T71] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.342997][ T71] _printk (kernel/printk/printk.c:2504) [ 12.343000][ T71] ? snapshot_read.cold (user.c:?) [ 12.343008][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.343013][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 12.343016][ T71] br_device_event (net/bridge/br.c:111) [ 12.343018][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.343022][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 12.343028][ T71] notifier_call_chain (kernel/notifier.c:85) [ 12.343034][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 12.343038][ T71] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 12.343040][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 12.343043][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 12.343047][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 12.343050][ T71] ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4537) vxlan [ 12.343058][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 12.343063][ T71] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) vxlan [ 12.343070][ T71] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4729 drivers/net/vxlan/vxlan_core.c:4739) vxlan [ 12.343075][ T71] ? vxlan_exit_rtnl (drivers/net/vxlan/vxlan_core.c:4926 drivers/net/vxlan/vxlan_core.c:4938) vxlan [ 12.343078][ T71] ? netconsole_netdev_event (drivers/net/netconsole.c:722 drivers/net/netconsole.c:1992) [ 12.343085][ T71] notifier_call_chain (kernel/notifier.c:85) [ 12.343090][ T71] unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518) [ 12.343095][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 12.343098][ T71] ? vrf_map_unregister_dev (./include/linux/list.h:1045 (discriminator 2)) [ 12.343105][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 12.343109][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 12.343111][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.343114][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 12.343118][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 12.343122][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.343125][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 12.343126][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.343129][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 12.343134][ T71] cleanup_net (net/core/net_namespace.c:706) [ 12.343137][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 12.343141][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.343143][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.343146][ T71] process_one_work (kernel/workqueue.c:3387) [ 12.343153][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.343156][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.343164][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.343168][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.343170][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 12.343173][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.343176][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.343178][ T71] kthread (kernel/kthread.c:436) [ 12.343180][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.343183][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.343186][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.343190][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.343194][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.343197][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars