====================================== | [ 10.443125][ T239] softirqs last disabled at (25115): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.443127][ T239] Preemption disabled at: | [ 10.443128][ T239] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.443137][ T239] Tainted: [W]=WARN [ 10.443138][ T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.443140][ T239] Call Trace: [ 10.443142][ T239] [ 10.443143][ T239] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.443149][ T239] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.443151][ T239] __might_resched.cold (kernel/sched/core.c:9234) [ 10.443156][ T239] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.443160][ T239] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.443165][ T239] __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)) [ 10.443168][ T239] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.443174][ T239] ? 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) [ 10.443176][ T239] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.443179][ T239] put_chars (drivers/char/virtio_console.c:1176) [ 10.443182][ T239] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.443184][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.443189][ T239] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.443191][ T239] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.443195][ T239] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.443198][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.443203][ T239] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.443206][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.443210][ T239] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.443214][ T239] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.443216][ T239] ? 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)) [ 10.443219][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.443222][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.443226][ T239] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.443230][ T239] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.443231][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.443236][ T239] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.443239][ T239] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.443241][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.443243][ T239] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.443247][ T239] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.443249][ T239] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.443252][ T239] vprintk_emit (kernel/printk/printk.c:2479) [ 10.443256][ T239] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.443261][ T239] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 10.443265][ T239] _printk (kernel/printk/printk.c:2504) [ 10.443269][ T239] ? snapshot_read.cold (user.c:?) [ 10.443275][ T239] ? 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) [ 10.443278][ T239] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 10.443281][ T239] do_one_initcall (init/main.c:1357) [ 10.443284][ T239] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.443288][ T239] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.443291][ T239] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.443296][ T239] do_init_module (kernel/module/main.c:3117) [ 10.443300][ T239] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.443304][ T239] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.443307][ T239] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.443311][ T239] load_module (kernel/module/main.c:3593) [ 10.443318][ T239] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.443322][ T239] ? __ia32_sys_fsconfig (??:?) [ 10.443325][ T239] ? ovl_real_file (fs/overlayfs/file.c:195) [ 10.443329][ T239] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.443332][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.443336][ T239] init_module_from_file (kernel/module/main.c:3790) [ 10.443339][ T239] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.443347][ T239] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.443351][ T239] ? 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) [ 10.443354][ T239] idempotent_init_module (kernel/module/main.c:3802) [ 10.443357][ T239] ? init_module_from_file (kernel/module/main.c:3791) [ 10.443363][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.443366][ T239] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.443371][ T239] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.443373][ T239] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.443377][ T239] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.443379][ T239] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.443381][ T239] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.443384][ T239] RIP: 0033:0x7f9e9a2e537d [ 10.443387][ T239] 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 [ 10.443389][ T239] RSP: 002b:00007fff736394d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.443391][ T239] RAX: ffffffffffffffda RBX: 0000560cd60d9810 RCX: 00007f9e9a2e537d [ 10.443393][ T239] RDX: 0000000000000000 RSI: 0000560cbef6bffd RDI: 0000000000000000 [ 10.443394][ T239] RBP: 00007fff73639570 R08: 0000000000000000 R09: 0000000000000000 [ 10.443395][ T239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560cbef6bffd [ 10.443395][ T239] R13: 0000560cd60d9960 R14: 0000000000040000 R15: 0000000000000000 | [ 11.580626][ T285] softirqs last disabled at (20350): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.580628][ T285] Preemption disabled at: | [ 11.580629][ T285] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.580638][ T285] Tainted: [W]=WARN [ 11.580639][ T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.580641][ T285] Call Trace: [ 11.580642][ T285] [ 11.580644][ T285] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.580650][ T285] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.580652][ T285] __might_resched.cold (kernel/sched/core.c:9234) [ 11.580657][ T285] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.580661][ T285] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.580667][ T285] __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)) [ 11.580669][ T285] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.580675][ T285] ? 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) [ 11.580678][ T285] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.580681][ T285] put_chars (drivers/char/virtio_console.c:1176) [ 11.580684][ T285] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.580689][ T285] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.580692][ T285] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.580695][ T285] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.580697][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.580699][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.580703][ T285] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.580706][ T285] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.580709][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.580713][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.580717][ T285] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.580721][ T285] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.580723][ T285] ? 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)) [ 11.580727][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.580729][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.580733][ T285] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.580738][ T285] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.580739][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.580745][ T285] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.580748][ T285] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.580750][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.580752][ T285] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.580756][ T285] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.580758][ T285] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.580762][ T285] vprintk_emit (kernel/printk/printk.c:2479) [ 11.580766][ T285] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.580768][ T285] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.580770][ T285] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.580775][ T285] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.580779][ T285] _printk (kernel/printk/printk.c:2504) [ 11.580782][ T285] ? snapshot_read.cold (user.c:?) [ 11.580786][ T285] ? br_multicast_flood (??:?) bridge [ 11.580799][ T285] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.580801][ T285] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.580802][ T285] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.580807][ T285] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.580817][ T285] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.580826][ T285] new_nbp (net/bridge/br_if.c:449) bridge [ 11.580836][ T285] br_add_if (net/bridge/br_if.c:592) bridge [ 11.580844][ T285] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.580848][ T285] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.580851][ T285] ? __kernel_text_address (kernel/extable.c:79) [ 11.580855][ T285] do_set_master (net/core/rtnetlink.c:3071) [ 11.580860][ T285] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.580863][ T285] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.580867][ T285] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.580868][ T285] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.580873][ T285] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.580877][ T285] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.580880][ T285] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.580882][ T285] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.580885][ T285] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.580888][ T285] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.580890][ T285] ? kasan_save_track (mm/kasan/common.c:78) [ 11.580892][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.580894][ T285] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 11.580898][ T285] ? ___sys_sendmsg (net/socket.c:2757) [ 11.580902][ T285] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.580904][ T285] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.580907][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.580910][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.580911][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.580913][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.580916][ T285] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.580920][ T285] ? __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) [ 11.580922][ T285] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.580924][ T285] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.580928][ T285] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.580929][ T285] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.580935][ T285] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.580940][ T285] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.580946][ T285] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.580948][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.580952][ T285] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.580954][ T285] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.580956][ T285] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.580958][ T285] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.580962][ T285] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.580964][ T285] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.580967][ T285] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.580969][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.580974][ T285] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.580976][ T285] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.580979][ T285] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.580981][ T285] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.580984][ T285] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.580991][ T285] ? 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)) [ 11.580992][ T285] ? 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)) [ 11.580997][ T285] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.581000][ T285] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.581003][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.581007][ T285] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.581011][ T285] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.581015][ T285] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.581021][ T285] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.581024][ T285] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.581026][ T285] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.581028][ T285] ? move_addr_to_kernel (net/socket.c:258) [ 11.581035][ T285] ___sys_sendmsg (net/socket.c:2767) [ 11.581038][ T285] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.581054][ T285] __sys_sendmsg (net/socket.c:2799) [ 11.581057][ T285] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.581064][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.581067][ T285] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.581070][ T285] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.581073][ T285] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.581075][ T285] RIP: 0033:0x7f4252a6754e [ 11.581079][ T285] 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 [ 11.581081][ T285] RSP: 002b:00007ffdf19682d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.581084][ T285] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4252a6754e [ 11.581085][ T285] RDX: 0000000000000000 RSI: 00007ffdf1968380 RDI: 0000000000000005 [ 11.581086][ T285] RBP: 00007ffdf19682e0 R08: 0000000000000000 R09: 0000000000000000 [ 11.581087][ T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913994 [ 11.581088][ T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf1968a40 | [ 13.138654][ T342] softirqs last disabled at (10968): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 13.138656][ T342] Preemption disabled at: | [ 13.138657][ T342] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.138667][ T342] Tainted: [W]=WARN [ 13.138668][ T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.138669][ T342] Call Trace: [ 13.138671][ T342] [ 13.138673][ T342] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.138679][ T342] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.138681][ T342] __might_resched.cold (kernel/sched/core.c:9234) [ 13.138686][ T342] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.138690][ T342] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.138696][ T342] __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)) [ 13.138698][ T342] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.138704][ T342] ? 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) [ 13.138707][ T342] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.138711][ T342] put_chars (drivers/char/virtio_console.c:1176) [ 13.138713][ T342] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 13.138715][ T342] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.138718][ T342] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.138723][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.138726][ T342] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.138730][ T342] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.138733][ T342] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.138735][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.138736][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.138741][ T342] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.138743][ T342] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.138746][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.138749][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.138753][ T342] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.138757][ T342] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.138759][ T342] ? 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)) [ 13.138763][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.138765][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.138770][ T342] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.138774][ T342] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.138776][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.138782][ T342] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.138785][ T342] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.138787][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.138789][ T342] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.138793][ T342] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.138795][ T342] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.138799][ T342] vprintk_emit (kernel/printk/printk.c:2479) [ 13.138803][ T342] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.138806][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.138809][ T342] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.138812][ T342] _printk (kernel/printk/printk.c:2504) [ 13.138817][ T342] ? snapshot_read.cold (user.c:?) [ 13.138821][ T342] ? br_multicast_flood (??:?) bridge [ 13.138834][ T342] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.138836][ T342] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.138837][ T342] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.138842][ T342] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 13.138852][ T342] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 13.138861][ T342] new_nbp (net/bridge/br_if.c:449) bridge [ 13.138872][ T342] br_add_if (net/bridge/br_if.c:592) bridge [ 13.138880][ T342] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 13.138884][ T342] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 13.138887][ T342] ? __kernel_text_address (kernel/extable.c:79) [ 13.138891][ T342] do_set_master (net/core/rtnetlink.c:3071) [ 13.138896][ T342] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.138899][ T342] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.138903][ T342] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.138904][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.138906][ T342] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.138910][ T342] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.138913][ T342] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.138915][ T342] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.138918][ T342] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.138921][ T342] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.138923][ T342] ? kasan_save_track (mm/kasan/common.c:78) [ 13.138926][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.138928][ T342] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 13.138931][ T342] ? ___sys_sendmsg (net/socket.c:2757) [ 13.138936][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.138938][ T342] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.138941][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.138943][ T342] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.138945][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.138947][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.138950][ T342] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.138953][ T342] ? __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) [ 13.138957][ T342] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.138959][ T342] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.138963][ T342] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.138965][ T342] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.138970][ T342] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.138975][ T342] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.138981][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.138983][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.138987][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.138989][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.138992][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.138994][ T342] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.138997][ T342] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.139000][ T342] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.139003][ T342] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.139004][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.139009][ T342] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.139011][ T342] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.139015][ T342] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.139017][ T342] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.139020][ T342] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.139026][ T342] ? 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)) [ 13.139028][ T342] ? 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)) [ 13.139032][ T342] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.139036][ T342] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.139039][ T342] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.139043][ T342] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.139047][ T342] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.139051][ T342] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 13.139057][ T342] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 13.139060][ T342] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.139062][ T342] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 13.139064][ T342] ? move_addr_to_kernel (net/socket.c:258) [ 13.139072][ T342] ___sys_sendmsg (net/socket.c:2767) [ 13.139074][ T342] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.139090][ T342] __sys_sendmsg (net/socket.c:2799) [ 13.139093][ T342] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.139100][ T342] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.139104][ T342] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.139106][ T342] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.139109][ T342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.139112][ T342] RIP: 0033:0x7f5fe6ab954e [ 13.139115][ T342] 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 [ 13.139117][ T342] RSP: 002b:00007ffd3318bf50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.139120][ T342] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5fe6ab954e [ 13.139121][ T342] RDX: 0000000000000000 RSI: 00007ffd3318c000 RDI: 0000000000000005 [ 13.139122][ T342] RBP: 00007ffd3318bf60 R08: 0000000000000000 R09: 0000000000000000 [ 13.139123][ T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913995 [ 13.139124][ T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3318c6c0 | [ 14.361526][ T395] softirqs last disabled at (19212): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 14.361529][ T395] Preemption disabled at: | [ 14.361529][ T395] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.361539][ T395] Tainted: [W]=WARN [ 14.361539][ T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.361541][ T395] Call Trace: [ 14.361543][ T395] [ 14.361545][ T395] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.361550][ T395] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.361553][ T395] __might_resched.cold (kernel/sched/core.c:9234) [ 14.361557][ T395] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.361561][ T395] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.361567][ T395] __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)) [ 14.361569][ T395] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.361575][ T395] ? 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) [ 14.361578][ T395] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.361581][ T395] put_chars (drivers/char/virtio_console.c:1176) [ 14.361583][ T395] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.361585][ T395] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.361589][ T395] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.361593][ T395] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.361595][ T395] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.361599][ T395] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.361602][ T395] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.361604][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.361605][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.361609][ T395] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.361612][ T395] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.361615][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.361617][ T395] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.361621][ T395] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.361625][ T395] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.361627][ T395] ? 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)) [ 14.361630][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.361633][ T395] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.361637][ T395] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.361641][ T395] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.361643][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.361648][ T395] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.361651][ T395] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.361653][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.361655][ T395] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.361659][ T395] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.361661][ T395] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.361664][ T395] vprintk_emit (kernel/printk/printk.c:2479) [ 14.361668][ T395] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.361671][ T395] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.361673][ T395] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.361677][ T395] _printk (kernel/printk/printk.c:2504) [ 14.361681][ T395] ? snapshot_read.cold (user.c:?) [ 14.361685][ T395] ? br_multicast_flood (??:?) bridge [ 14.361697][ T395] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.361699][ T395] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.361700][ T395] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.361704][ T395] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 14.361714][ T395] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 14.361723][ T395] new_nbp (net/bridge/br_if.c:449) bridge [ 14.361732][ T395] br_add_if (net/bridge/br_if.c:592) bridge [ 14.361739][ T395] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 14.361743][ T395] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.361746][ T395] ? __kernel_text_address (kernel/extable.c:79) [ 14.361750][ T395] do_set_master (net/core/rtnetlink.c:3071) [ 14.361755][ T395] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.361758][ T395] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.361761][ T395] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.361763][ T395] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.361764][ T395] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.361768][ T395] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.361771][ T395] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.361773][ T395] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.361775][ T395] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.361778][ T395] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.361780][ T395] ? kasan_save_track (mm/kasan/common.c:78) [ 14.361783][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.361785][ T395] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 14.361787][ T395] ? ___sys_sendmsg (net/socket.c:2757) [ 14.361792][ T395] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.361794][ T395] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.361796][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.361799][ T395] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.361801][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.361802][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.361805][ T395] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.361809][ T395] ? __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) [ 14.361812][ T395] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.361814][ T395] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.361817][ T395] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.361819][ T395] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.361824][ T395] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.361829][ T395] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.361834][ T395] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.361836][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.361840][ T395] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.361842][ T395] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.361845][ T395] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.361846][ T395] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.361850][ T395] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.361852][ T395] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.361855][ T395] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.361856][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.361861][ T395] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.361863][ T395] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.361866][ T395] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.361868][ T395] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.361873][ T395] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.361879][ T395] ? 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)) [ 14.361881][ T395] ? 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)) [ 14.361885][ T395] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.361889][ T395] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.361892][ T395] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.361896][ T395] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.361900][ T395] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.361903][ T395] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.361909][ T395] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.361911][ T395] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.361914][ T395] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.361915][ T395] ? move_addr_to_kernel (net/socket.c:258) [ 14.361922][ T395] ___sys_sendmsg (net/socket.c:2767) [ 14.361925][ T395] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.361940][ T395] __sys_sendmsg (net/socket.c:2799) [ 14.361943][ T395] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.361949][ T395] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.361953][ T395] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.361955][ T395] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.361958][ T395] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.361961][ T395] RIP: 0033:0x7f60d474e54e [ 14.361964][ T395] 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 [ 14.361966][ T395] RSP: 002b:00007ffc9fc74e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.361969][ T395] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f60d474e54e [ 14.361970][ T395] RDX: 0000000000000000 RSI: 00007ffc9fc74ed0 RDI: 0000000000000005 [ 14.361971][ T395] RBP: 00007ffc9fc74e30 R08: 0000000000000000 R09: 0000000000000000 [ 14.361972][ T395] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913996 [ 14.361973][ T395] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9fc75590 | [ 15.465264][ T453] softirqs last disabled at (20668): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:119) bridge | [ 15.465272][ T453] Preemption disabled at: | [ 15.465272][ T453] 0x0 | [ 15.465282][ T453] Tainted: [W]=WARN [ 15.465283][ T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.465284][ T453] Call Trace: [ 15.465286][ T453] [ 15.465288][ T453] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.465294][ T453] __might_resched.cold (kernel/sched/core.c:9234) [ 15.465299][ T453] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.465303][ T453] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.465309][ T453] __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)) [ 15.465311][ T453] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.465317][ T453] ? 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) [ 15.465319][ T453] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.465323][ T453] put_chars (drivers/char/virtio_console.c:1176) [ 15.465325][ T453] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.465327][ T453] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.465330][ T453] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.465334][ T453] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.465336][ T453] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.465340][ T453] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.465343][ T453] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.465345][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.465347][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.465351][ T453] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.465353][ T453] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.465356][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.465359][ T453] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.465363][ T453] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.465366][ T453] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.465368][ T453] ? 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)) [ 15.465371][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.465374][ T453] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.465378][ T453] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.465382][ T453] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.465384][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.465389][ T453] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.465392][ T453] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.465394][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.465396][ T453] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.465400][ T453] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.465402][ T453] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.465405][ T453] vprintk_emit (kernel/printk/printk.c:2479) [ 15.465409][ T453] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.465412][ T453] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.465415][ T453] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.465418][ T453] _printk (kernel/printk/printk.c:2504) [ 15.465422][ T453] ? snapshot_read.cold (user.c:?) [ 15.465428][ T453] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.465436][ T453] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.465446][ T453] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.465455][ T453] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge [ 15.465462][ T453] br_device_event (net/bridge/br.c:120) bridge [ 15.465470][ T453] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 15.465472][ T453] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 15.465479][ T453] notifier_call_chain (kernel/notifier.c:85) [ 15.465485][ T453] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853) [ 15.465490][ T453] ? netif_change_name (net/core/dev.c:1517) [ 15.465494][ T453] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 15.465496][ T453] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.465499][ T453] ? __kernel_text_address (kernel/extable.c:79) [ 15.465501][ T453] ? write_profile (profile.c:?) [ 15.465503][ T453] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 15.465508][ T453] netif_change_flags (net/core/dev.c:9882) [ 15.465512][ T453] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 15.465516][ T453] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.465518][ T453] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.465519][ T453] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.465521][ T453] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.465525][ T453] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.465528][ T453] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.465530][ T453] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.465532][ T453] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.465536][ T453] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.465537][ T453] ? kasan_save_track (mm/kasan/common.c:78) [ 15.465540][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.465542][ T453] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 15.465544][ T453] ? ___sys_sendmsg (net/socket.c:2757) [ 15.465549][ T453] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.465551][ T453] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.465553][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.465556][ T453] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.465557][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.465559][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.465562][ T453] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.465566][ T453] ? __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) [ 15.465569][ T453] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.465571][ T453] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.465574][ T453] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.465579][ T453] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.465584][ T453] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.465590][ T453] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.465592][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.465596][ T453] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.465598][ T453] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.465601][ T453] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.465603][ T453] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.465606][ T453] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.465608][ T453] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.465612][ T453] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.465613][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.465618][ T453] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.465620][ T453] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.465623][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.465625][ T453] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.465628][ T453] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.465634][ T453] ? 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)) [ 15.465635][ T453] ? 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)) [ 15.465640][ T453] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.465644][ T453] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.465646][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.465650][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.465654][ T453] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.465658][ T453] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.465664][ T453] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.465666][ T453] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.465668][ T453] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.465670][ T453] ? move_addr_to_kernel (net/socket.c:258) [ 15.465677][ T453] ___sys_sendmsg (net/socket.c:2767) [ 15.465680][ T453] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.465696][ T453] __sys_sendmsg (net/socket.c:2799) [ 15.465699][ T453] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.465705][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.465709][ T453] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.465711][ T453] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.465714][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.465717][ T453] RIP: 0033:0x7fee9cc4854e [ 15.465719][ T453] 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 [ 15.465721][ T453] RSP: 002b:00007ffc75ba6600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.465724][ T453] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fee9cc4854e [ 15.465725][ T453] RDX: 0000000000000000 RSI: 00007ffc75ba66b0 RDI: 0000000000000005 [ 15.465726][ T453] RBP: 00007ffc75ba6610 R08: 0000000000000000 R09: 0000000000000000 [ 15.465727][ T453] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913997 [ 15.465727][ T453] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc75ba6d70 | [ 15.540665][ C3] | [ 15.540666][ C3] | [ 15.540666][ C3] stack backtrace: | [ 15.540671][ C3] Tainted: [W]=WARN [ 15.540672][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.540673][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 15.540676][ C3] Call Trace: [ 15.540677][ C3] [ 15.540678][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.540681][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 15.540683][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 15.540685][ C3] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 15.540687][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 15.540689][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 15.540691][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 15.540693][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.540695][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.540698][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.540701][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.540704][ C3] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.540707][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.540709][ C3] console_emit_next_record (kernel/printk/printk.c:3177) [ 15.540712][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.540714][ C3] ? 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)) [ 15.540716][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.540717][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.540719][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.540721][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.540723][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.540725][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.540727][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.540729][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.540730][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.540732][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.540734][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.540736][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 15.540738][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.540739][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.540741][ C3] _printk (kernel/printk/printk.c:2504) [ 15.540743][ C3] ? snapshot_read.cold (user.c:?) [ 15.540745][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.540748][ C3] ? idr_get_free (??:?) [ 15.540750][ C3] addrconf_dad_failure.cold (net/ipv6/addrconf.c:2187 (discriminator 4)) [ 15.540752][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.540754][ C3] ? inet6_rtm_newaddr (net/ipv6/addrconf.c:5042 (discriminator 2)) [ 15.540755][ C3] ? ipv6_get_ifaddr (./include/linux/rcupdate.h:882 net/ipv6/addrconf.c:2118) [ 15.540757][ C3] ? addrconf_dad_work (./include/net/ipv6.h:593) [ 15.540759][ C3] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.540761][ C3] ? ndisc_parse_options.part.0 (net/ipv6/ndisc.c:228) [ 15.540764][ C3] ndisc_recv_ns (net/ipv6/ndisc.c:867) [ 15.540765][ C3] ? __print_lock_name (kernel/locking/lockdep.c:735) [ 15.540767][ C3] ? ndisc_netdev_event (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.540768][ C3] ? ip6_pol_route (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/route.c:2339 (discriminator 2)) [ 15.540771][ C3] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.540772][ C3] ? ndisc_rcv (net/ipv6/ndisc.c:1835) [ 15.540774][ C3] icmpv6_rcv (net/ipv6/icmp.c:1193) [ 15.540776][ C3] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:479) [ 15.540779][ C3] ip6_input_finish (net/ipv6/ip6_input.c:534) [ 15.540780][ C3] ip6_input (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv6/ip6_input.c:545) [ 15.540782][ C3] ? ip6_input_finish (net/ipv6/ip6_input.c:527 (discriminator 46)) [ 15.540783][ C3] ? ipv6_chk_mcast_addr (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/ipv6/mcast.c:1076 (discriminator 2)) [ 15.540786][ C3] ? ipv6_chk_mcast_addr (./include/linux/rcupdate.h:882 net/ipv6/mcast.c:1076) [ 15.540788][ C3] ip6_mc_input (net/ipv6/ip6_input.c:636) [ 15.540789][ C3] ? ip6_input (./include/linux/rcupdate.h:878 (discriminator 3)) [ 15.540791][ C3] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.540792][ C3] ? ip6_rcv_core (./include/linux/rcupdate.h:882 net/ipv6/ip6_input.c:328) [ 15.540794][ C3] ipv6_rcv (./include/net/dst.h:480 (discriminator 4) net/ipv6/ip6_input.c:119 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/ip6_input.c:351 (discriminator 4)) [ 15.540795][ C3] ? ip6_rcv_core (net/ipv6/ip6_input.c:211 (discriminator 96)) [ 15.540797][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.540798][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.540800][ C3] ? perf_trace_rcu_invoke_kvfree_callback (./include/linux/perf_event.h:1597 (discriminator 2) ./include/trace/events/rcu.h:627 (discriminator 2) ./include/trace/events/rcu.h:627 (discriminator 2)) [ 15.540802][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.540804][ C3] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 15.540805][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.540807][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.540808][ C3] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 15.540810][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.540813][ C3] process_backlog (net/core/dev.c:6728) [ 15.540815][ C3] __napi_poll (net/core/dev.c:7787) [ 15.540817][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 15.540819][ C3] ? __napi_poll (./include/net/gro.h:507) [ 15.540821][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.540824][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.540826][ C3] handle_softirqs (kernel/softirq.c:645) [ 15.540828][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 15.540829][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.540831][ C3] ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22)) [ 15.540833][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 15.540835][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 15.540836][ C3] [ 15.540837][ C3] [ 15.540837][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 15.540839][ C3] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 15.540841][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.540843][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.540844][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.540845][ C3] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.540849][ C3] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 15.540851][ C3] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 15.540852][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.540854][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.540855][ C3] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 15.540857][ C3] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 15.540859][ C3] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 15.540860][ C3] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 15.540862][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.540863][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.540865][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.540866][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 15.540868][ C3] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 15.540874][ C3] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.540876][ C3] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 15.540878][ C3] ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158) [ 15.540880][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.540882][ C3] ndisc_send_ns (net/ipv6/ndisc.c:672) [ 15.540883][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.540884][ C3] ? ndisc_router_discovery (net/ipv6/ndisc.c:1317 (discriminator 13)) [ 15.540885][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.540887][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.540889][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.540891][ C3] addrconf_dad_work (net/ipv6/addrconf.c:4318) [ 15.540893][ C3] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 15.540895][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.540896][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.540898][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.540899][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.540901][ C3] process_one_work (kernel/workqueue.c:3387) [ 15.540904][ C3] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 15.540906][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.540908][ C3] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 15.540910][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.540912][ C3] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 15.540914][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.540915][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.540917][ C3] kthread (kernel/kthread.c:436) [ 15.540918][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.540920][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.540921][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 15.540923][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 15.540925][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 15.540927][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.540929][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 23.141250][ T68] softirqs last disabled at (24601): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 23.141254][ T68] Preemption disabled at: | [ 23.141255][ T68] vprintk_emit (kernel/printk/printk.c:2471) | [ 23.141264][ T68] Tainted: [W]=WARN [ 23.141265][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.141267][ T68] Workqueue: netns cleanup_net [ 23.141272][ T68] Call Trace: [ 23.141273][ T68] [ 23.141275][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.141280][ T68] ? vprintk_emit (kernel/printk/printk.c:2471) [ 23.141282][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 23.141285][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.141288][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.141292][ T68] __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)) [ 23.141296][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.141298][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.141302][ T68] ? 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) [ 23.141304][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.141305][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 23.141307][ T68] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 23.141309][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.141311][ T68] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 23.141313][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.141316][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.141317][ T68] ? 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) [ 23.141319][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.141321][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.141322][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.141324][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.141326][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.141329][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.141330][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.141332][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.141334][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.141335][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.141337][ T68] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 23.141339][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.141341][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.141344][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.141345][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.141347][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.141348][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.141350][ T68] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 23.141351][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.141353][ T68] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 23.141355][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.141356][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.141358][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 23.141361][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.141362][ T68] ? process_one_work (kernel/workqueue.c:3387) [ 23.141365][ T68] ? kthread (kernel/kthread.c:436) [ 23.141367][ T68] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 23.141369][ T68] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 23.141372][ T68] _printk (kernel/printk/printk.c:2504) [ 23.141375][ T68] ? snapshot_read.cold (user.c:?) [ 23.141377][ T68] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 23.141380][ T68] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 23.141382][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 23.141383][ T68] ? netdev_notice (net/core/dev.c:13194) [ 23.141385][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.141387][ T68] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 23.141389][ T68] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 23.141391][ T68] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 23.141392][ T68] ? 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) [ 23.141395][ T68] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 23.141398][ T68] dev_set_allmulti (net/core/dev_api.c:315) [ 23.141400][ T68] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 23.141413][ T68] br_dev_delete (net/bridge/br_if.c:387) bridge [ 23.141421][ T68] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 23.141428][ T68] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 23.141430][ T68] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 23.141432][ T68] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 23.141436][ T68] cleanup_net (net/core/net_namespace.c:706) [ 23.141437][ T68] ? net_passive_dec (./include/linux/llist.h:241) [ 23.141440][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.141441][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.141443][ T68] process_one_work (kernel/workqueue.c:3387) [ 23.141446][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.141448][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.141450][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.141452][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.141454][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.141456][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 23.141463][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.141465][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.141466][ T68] kthread (kernel/kthread.c:436) [ 23.141468][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.141469][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.141471][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.141472][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.141474][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.141477][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars