====================================== | [ 9.094227][ T127] softirqs last disabled at (67553): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.094230][ T127] Preemption disabled at: | [ 9.094230][ T127] 0x0 | [ 9.094241][ T127] Tainted: [W]=WARN [ 9.094242][ T127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.094243][ T127] Call Trace: [ 9.094245][ T127] [ 9.094246][ T127] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.094252][ T127] __might_resched.cold (kernel/sched/core.c:9234) [ 9.094256][ T127] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.094260][ T127] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.094265][ T127] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.094267][ T127] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.094273][ T127] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.094276][ T127] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.094279][ T127] put_chars (drivers/char/virtio_console.c:1176) [ 9.094282][ T127] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.094289][ T127] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.094295][ T127] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.094298][ T127] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.094303][ T127] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.094306][ T127] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.094308][ T127] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.094312][ T127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.094317][ T127] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.094322][ T127] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.094326][ T127] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.094327][ T127] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.094333][ T127] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.094335][ T127] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.094336][ T127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.094338][ T127] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.094342][ T127] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.094344][ T127] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.094347][ T127] vprintk_emit (kernel/printk/printk.c:2479) [ 9.094350][ T127] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.094353][ T127] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.094357][ T127] _printk (kernel/printk/printk.c:2504) [ 9.094360][ T127] ? snapshot_read.cold (user.c:?) [ 9.094363][ T127] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.094366][ T127] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.094370][ T127] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.094373][ T127] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.094377][ T127] ? exit_notify (kernel/exit.c:780) [ 9.094378][ T127] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.094381][ T127] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.094385][ T127] do_group_exit (kernel/exit.c:1151) [ 9.094388][ T127] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.094390][ T127] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.094392][ T127] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.094396][ T127] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.094399][ T127] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.094401][ T127] RIP: 0033:0x7fa6ae51e1b8 [ 9.094403][ T127] Code: Unable to access opcode bytes at 0x7fa6ae51e18e. Code starting with the faulting instruction =========================================== [ 9.094404][ T127] RSP: 002b:00007ffeb066c408 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.094407][ T127] RAX: ffffffffffffffda RBX: 00007fa6ae64ef88 RCX: 00007fa6ae51e1b8 [ 9.094408][ T127] RDX: 00007fa6ad559b08 RSI: ffffffffffffff98 RDI: 0000000000000000 [ 9.094409][ T127] RBP: 00007ffeb066c460 R08: 0000000000000000 R09: 00000000000000a0 [ 9.094410][ T127] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 9.094411][ T127] R13: 0000000000000000 R14: 00007fa6ae64d680 R15: 00007fa6ae64efa0 | [ 10.248242][ T179] softirqs last disabled at (35527): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.248244][ T179] Preemption disabled at: | [ 10.248245][ T179] 0x0 | [ 10.248255][ T179] Tainted: [W]=WARN [ 10.248256][ T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.248258][ T179] Call Trace: [ 10.248259][ T179] [ 10.248261][ T179] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.248266][ T179] __might_resched.cold (kernel/sched/core.c:9234) [ 10.248271][ T179] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.248274][ T179] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.248279][ T179] __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)) [ 10.248281][ T179] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.248287][ T179] ? 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) [ 10.248290][ T179] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.248293][ T179] put_chars (drivers/char/virtio_console.c:1176) [ 10.248297][ T179] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.248303][ T179] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.248310][ T179] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.248313][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.248317][ T179] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.248321][ T179] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.248322][ T179] ? 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)) [ 10.248325][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.248328][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.248332][ T179] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.248336][ T179] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.248337][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.248343][ T179] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.248345][ T179] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.248346][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.248348][ T179] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.248352][ T179] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.248354][ T179] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.248357][ T179] vprintk_emit (kernel/printk/printk.c:2479) [ 10.248360][ T179] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.248363][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.248367][ T179] _printk (kernel/printk/printk.c:2504) [ 10.248370][ T179] ? snapshot_read.cold (user.c:?) [ 10.248373][ T179] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.248375][ T179] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.248380][ T179] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.248382][ T179] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.248386][ T179] ? exit_notify (kernel/exit.c:780) [ 10.248388][ T179] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.248391][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.248394][ T179] do_group_exit (kernel/exit.c:1151) [ 10.248397][ T179] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.248399][ T179] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.248402][ T179] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.248406][ T179] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.248409][ T179] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.248411][ T179] RIP: 0033:0x7fa3ccc6c1b8 [ 10.248414][ T179] Code: Unable to access opcode bytes at 0x7fa3ccc6c18e. Code starting with the faulting instruction =========================================== [ 10.248415][ T179] RSP: 002b:00007fff722d23f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.248417][ T179] RAX: ffffffffffffffda RBX: 00007fa3ccd9cf88 RCX: 00007fa3ccc6c1b8 [ 10.248418][ T179] RDX: 00007fa3cc9b6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.248419][ T179] RBP: 00007fff722d2450 R08: 0000000000000000 R09: 0000000000000050 [ 10.248420][ T179] R10: 00007fff722d2210 R11: 0000000000000246 R12: 0000000000000001 [ 10.248421][ T179] R13: 0000000000000000 R14: 00007fa3ccd9b680 R15: 00007fa3ccd9cfa0 | [ 11.519238][ T214] softirqs last disabled at (30314): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.519240][ T214] Preemption disabled at: | [ 11.519241][ T214] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.519250][ T214] Tainted: [W]=WARN [ 11.519251][ T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.519252][ T214] Call Trace: [ 11.519254][ T214] [ 11.519255][ T214] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.519261][ T214] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.519263][ T214] __might_resched.cold (kernel/sched/core.c:9234) [ 11.519267][ T214] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.519271][ T214] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.519276][ T214] __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)) [ 11.519278][ T214] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.519285][ T214] ? 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) [ 11.519288][ T214] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.519291][ T214] put_chars (drivers/char/virtio_console.c:1176) [ 11.519294][ T214] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.519297][ T214] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.519301][ T214] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.519304][ T214] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.519309][ T214] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.519312][ T214] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.519314][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.519316][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.519321][ T214] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.519322][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.519327][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.519332][ T214] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.519335][ T214] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.519337][ T214] ? 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)) [ 11.519339][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.519342][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.519346][ T214] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.519350][ T214] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.519351][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.519357][ T214] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.519359][ T214] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.519361][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.519363][ T214] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.519367][ T214] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.519369][ T214] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.519372][ T214] vprintk_emit (kernel/printk/printk.c:2479) [ 11.519376][ T214] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.519378][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.519381][ T214] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.519385][ T214] _printk (kernel/printk/printk.c:2504) [ 11.519388][ T214] ? snapshot_read.cold (user.c:?) [ 11.519392][ T214] ? br_multicast_flood (??:?) bridge [ 11.519406][ T214] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.519407][ T214] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.519408][ T214] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.519413][ T214] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.519424][ T214] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.519433][ T214] new_nbp (net/bridge/br_if.c:449) bridge [ 11.519442][ T214] br_add_if (net/bridge/br_if.c:592) bridge [ 11.519450][ T214] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.519455][ T214] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.519461][ T214] do_set_master (net/core/rtnetlink.c:3071) [ 11.519466][ T214] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.519469][ T214] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.519477][ T214] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.519478][ T214] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.519480][ T214] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.519484][ T214] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.519486][ T214] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.519489][ T214] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.519492][ T214] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.519494][ T214] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.519496][ T214] ? kasan_save_track (mm/kasan/common.c:78) [ 11.519499][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.519501][ T214] ? netlink_update_listeners (net/netlink/af_netlink.c:532) [ 11.519504][ T214] ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763) [ 11.519509][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.519511][ T214] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.519514][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.519516][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.519518][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.519519][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.519521][ T214] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.519524][ T214] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 11.519527][ T214] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.519529][ T214] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.519533][ T214] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.519535][ T214] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.519540][ T214] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.519546][ T214] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.519551][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.519553][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.519558][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.519560][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.519562][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.519564][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.519568][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.519570][ T214] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.519573][ T214] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.519574][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.519579][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.519581][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.519585][ T214] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.519587][ T214] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.519590][ T214] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.519596][ T214] ? 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)) [ 11.519598][ T214] ? 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)) [ 11.519602][ T214] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.519606][ T214] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.519609][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 11.519613][ T214] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.519617][ T214] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.519618][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.519622][ T214] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.519626][ T214] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.519630][ T214] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.519632][ T214] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.519634][ T214] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.519636][ T214] ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1)) [ 11.519643][ T214] ___sys_sendmsg (net/socket.c:2767) [ 11.519646][ T214] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.519663][ T214] __sys_sendmsg (net/socket.c:2799) [ 11.519666][ T214] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.519672][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.519675][ T214] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.519678][ T214] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.519681][ T214] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.519684][ T214] RIP: 0033:0x7f180b03b54e [ 11.519687][ T214] 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 [ 11.519689][ T214] RSP: 002b:00007ffdb49b9680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.519692][ T214] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f180b03b54e [ 11.519693][ T214] RDX: 0000000000000000 RSI: 00007ffdb49b9730 RDI: 0000000000000005 [ 11.519694][ T214] RBP: 00007ffdb49b9690 R08: 0000000000000000 R09: 0000000000000000 [ 11.519695][ T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b08a [ 11.519696][ T214] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb49b9e00 | [ 12.850559][ T194] softirqs last disabled at (11496): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge | [ 12.850568][ T194] Preemption disabled at: | [ 12.850569][ T194] 0x0 | [ 12.850579][ T194] Tainted: [W]=WARN [ 12.850580][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.850582][ T194] Workqueue: events_unbound linkwatch_event [ 12.850586][ T194] Call Trace: [ 12.850587][ T194] [ 12.850589][ T194] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.850595][ T194] __might_resched.cold (kernel/sched/core.c:9234) [ 12.850600][ T194] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.850603][ T194] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.850608][ T194] __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)) [ 12.850611][ T194] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.850617][ T194] ? 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) [ 12.850620][ T194] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.850624][ T194] put_chars (drivers/char/virtio_console.c:1176) [ 12.850627][ T194] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.850629][ T194] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 12.850634][ T194] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.850638][ T194] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.850641][ T194] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.850643][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.850645][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.850650][ T194] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.850651][ T194] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.850656][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.850661][ T194] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.850664][ T194] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.850666][ T194] ? 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)) [ 12.850669][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.850672][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.850676][ T194] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.850680][ T194] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.850682][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.850687][ T194] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.850690][ T194] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.850691][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.850693][ T194] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.850697][ T194] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.850699][ T194] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.850703][ T194] vprintk_emit (kernel/printk/printk.c:2479) [ 12.850707][ T194] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.850712][ T194] _printk (kernel/printk/printk.c:2504) [ 12.850716][ T194] ? snapshot_read.cold (user.c:?) [ 12.850722][ T194] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.850726][ T194] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.850737][ T194] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.850746][ T194] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge [ 12.850753][ T194] br_port_carrier_check (net/bridge/br_if.c:90) bridge [ 12.850762][ T194] br_device_event (net/bridge/br.c:101) bridge [ 12.850771][ T194] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 12.850773][ T194] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 12.850781][ T194] notifier_call_chain (kernel/notifier.c:85) [ 12.850788][ T194] netif_state_change (net/core/dev.c:1625) [ 12.850793][ T194] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.850798][ T194] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 12.850800][ T194] __linkwatch_run_queue (net/core/link_watch.c:240) [ 12.850803][ T194] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.850806][ T194] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.850811][ T194] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 12.850813][ T194] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 12.850816][ T194] process_one_work (kernel/workqueue.c:3387) [ 12.850823][ T194] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.850825][ T194] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.850834][ T194] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.850837][ T194] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.850839][ T194] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 12.850843][ T194] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.850845][ T194] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.850846][ T194] kthread (kernel/kthread.c:436) [ 12.850849][ T194] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.850852][ T194] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.850855][ T194] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.850860][ T194] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.850863][ T194] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.850867][ T194] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.850870][ T194] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 13.922707][ T71] softirqs last disabled at (13484): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 13.922715][ T71] Preemption disabled at: | [ 13.922716][ T71] 0x0 | [ 13.922726][ T71] Tainted: [W]=WARN [ 13.922727][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.922729][ T71] Workqueue: netns cleanup_net [ 13.922732][ T71] Call Trace: [ 13.922733][ T71] [ 13.922735][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.922741][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 13.922746][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.922750][ 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) [ 13.922755][ 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)) [ 13.922757][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.922763][ 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) [ 13.922766][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.922770][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 13.922773][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.922780][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.922787][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.922790][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.922795][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.922798][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.922799][ 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)) [ 13.922802][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.922805][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.922810][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.922814][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.922815][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.922821][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.922823][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.922824][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.922826][ T71] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.922830][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.922832][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.922835][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 13.922839][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.922840][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.922843][ T71] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 13.922845][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.922848][ T71] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167) [ 13.922852][ T71] _printk (kernel/printk/printk.c:2504) [ 13.922856][ T71] ? snapshot_read.cold (user.c:?) [ 13.922864][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 13.922875][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 13.922884][ T71] br_device_event (net/bridge/br.c:111) bridge [ 13.922891][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 13.922898][ T71] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 13.922904][ T71] notifier_call_chain (kernel/notifier.c:85) [ 13.922911][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 13.922914][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 13.922917][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 13.922920][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 13.922924][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 13.922927][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 13.922929][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.922931][ T71] ? kthread (kernel/kthread.c:436) [ 13.922933][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 13.922936][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 13.922939][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 13.922943][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.922949][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 13.922952][ T71] ? generic_xdp_install (./include/linux/netdevice.h:5716 (discriminator 3)) [ 13.922955][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 13.922957][ T71] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 13.922959][ T71] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 13.922963][ 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) [ 13.922966][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 13.922970][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.922972][ T71] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 13.922974][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.922977][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 13.922982][ T71] cleanup_net (net/core/net_namespace.c:706) [ 13.922985][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 13.922988][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.922990][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.922994][ T71] process_one_work (kernel/workqueue.c:3387) [ 13.923000][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.923003][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.923011][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.923014][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.923016][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 13.923019][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.923021][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.923023][ T71] kthread (kernel/kthread.c:436) [ 13.923024][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.923028][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.923031][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.923034][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.923037][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.923040][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print 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