====================================== | [ 8.821335][ T179] softirqs last disabled at (20503): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.821337][ T179] Preemption disabled at: | [ 8.821338][ T179] 0x0 | [ 8.821347][ T179] Tainted: [W]=WARN [ 8.821348][ T179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.821349][ T179] Call Trace: [ 8.821351][ T179] [ 8.821353][ T179] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.821359][ T179] __might_resched.cold (kernel/sched/core.c:9234) [ 8.821363][ T179] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.821367][ 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) [ 8.821372][ 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)) [ 8.821374][ T179] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.821380][ 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) [ 8.821383][ T179] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.821386][ T179] put_chars (drivers/char/virtio_console.c:1176) [ 8.821389][ T179] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.821395][ T179] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.821400][ T179] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.821405][ T179] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.821411][ T179] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.821413][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.821416][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.821420][ T179] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.821424][ T179] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.821425][ 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)) [ 8.821428][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.821431][ T179] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.821434][ T179] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.821438][ T179] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.821440][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.821445][ T179] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.821448][ T179] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.821450][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.821452][ T179] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.821455][ T179] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.821457][ T179] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.821460][ T179] vprintk_emit (kernel/printk/printk.c:2479) [ 8.821464][ T179] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.821467][ T179] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.821471][ T179] _printk (kernel/printk/printk.c:2504) [ 8.821474][ T179] ? snapshot_read.cold (user.c:?) [ 8.821477][ 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) [ 8.821479][ T179] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.821483][ 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) [ 8.821486][ T179] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.821489][ T179] ? exit_notify (kernel/exit.c:780) [ 8.821491][ T179] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.821493][ T179] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.821497][ T179] do_group_exit (kernel/exit.c:1151) [ 8.821500][ T179] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.821502][ T179] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.821505][ T179] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.821508][ T179] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.821511][ T179] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.821513][ T179] RIP: 0033:0x7f78848aa1b8 [ 8.821517][ T179] Code: Unable to access opcode bytes at 0x7f78848aa18e. Code starting with the faulting instruction =========================================== [ 8.821518][ T179] RSP: 002b:00007ffddfa35ed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.821520][ T179] RAX: ffffffffffffffda RBX: 00007f78849daf88 RCX: 00007f78848aa1b8 [ 8.821521][ T179] RDX: 00007f78845f4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.821522][ T179] RBP: 00007ffddfa35f30 R08: 0000000000000000 R09: 0000000000000050 [ 8.821523][ T179] R10: 00007ffddfa35cf0 R11: 0000000000000246 R12: 0000000000000001 [ 8.821524][ T179] R13: 0000000000000000 R14: 00007f78849d9680 R15: 00007f78849dafa0 | [ 10.826138][ T213] softirqs last disabled at (24330): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 10.826141][ T213] Preemption disabled at: | [ 10.826141][ T213] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.826150][ T213] Tainted: [W]=WARN [ 10.826151][ T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.826153][ T213] Call Trace: [ 10.826154][ T213] [ 10.826156][ T213] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.826162][ T213] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.826164][ T213] __might_resched.cold (kernel/sched/core.c:9234) [ 10.826168][ T213] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.826172][ T213] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.826177][ T213] __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)) [ 10.826179][ T213] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.826185][ T213] ? 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) [ 10.826188][ T213] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.826191][ T213] put_chars (drivers/char/virtio_console.c:1176) [ 10.826194][ T213] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.826195][ T213] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.826199][ T213] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.826203][ T213] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.826206][ T213] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.826208][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.826209][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.826213][ T213] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.826214][ T213] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.826218][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.826222][ T213] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.826226][ T213] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.826227][ T213] ? 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)) [ 10.826230][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.826234][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.826238][ T213] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.826242][ T213] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.826244][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.826249][ T213] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.826252][ T213] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.826253][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.826256][ T213] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.826259][ T213] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.826261][ T213] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.826264][ T213] vprintk_emit (kernel/printk/printk.c:2479) [ 10.826267][ T213] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.826270][ T213] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.826271][ T213] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 10.826275][ T213] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.826278][ T213] _printk (kernel/printk/printk.c:2504) [ 10.826281][ T213] ? snapshot_read.cold (user.c:?) [ 10.826285][ T213] ? br_multicast_flood (??:?) [ 10.826287][ T213] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.826289][ T213] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.826290][ T213] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.826294][ T213] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 10.826298][ T213] br_init_port (net/bridge/br_stp_if.c:39) [ 10.826301][ T213] new_nbp (net/bridge/br_if.c:449) [ 10.826304][ T213] br_add_if (net/bridge/br_if.c:592) [ 10.826306][ T213] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.826310][ T213] ? __kernel_text_address (kernel/extable.c:79) [ 10.826313][ T213] do_set_master (net/core/rtnetlink.c:3071) [ 10.826315][ T213] ? netif_change_flags (net/core/dev.c:9882) [ 10.826318][ T213] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.826321][ T213] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.826324][ T213] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.826325][ T213] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.826328][ T213] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.826331][ T213] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.826334][ T213] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.826336][ T213] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.826338][ T213] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.826341][ T213] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.826343][ T213] ? kasan_save_track (mm/kasan/common.c:78) [ 10.826345][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.826347][ T213] ? __netlink_deliver_tap (net/netlink/af_netlink.c:298 net/netlink/af_netlink.c:326) [ 10.826351][ T213] ? ___sys_sendmsg (net/socket.c:2756) [ 10.826355][ T213] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.826357][ T213] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.826360][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.826362][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.826364][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.826365][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.826367][ T213] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.826371][ T213] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 10.826373][ T213] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.826376][ T213] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.826379][ T213] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.826381][ T213] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.826386][ T213] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.826391][ T213] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.826396][ T213] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.826398][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.826407][ T213] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.826409][ T213] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.826411][ T213] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.826413][ T213] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.826416][ T213] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.826419][ T213] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.826422][ T213] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.826423][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.826427][ T213] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.826429][ T213] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.826432][ T213] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.826434][ T213] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.826437][ T213] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.826443][ T213] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.826445][ T213] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.826450][ T213] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.826453][ T213] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.826456][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.826460][ T213] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.826464][ T213] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.826468][ T213] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.826473][ T213] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.826476][ T213] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.826478][ T213] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.826480][ T213] ? move_addr_to_kernel (net/socket.c:258) [ 10.826487][ T213] ___sys_sendmsg (net/socket.c:2767) [ 10.826490][ T213] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.826505][ T213] __sys_sendmsg (net/socket.c:2799) [ 10.826508][ T213] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.826516][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.826519][ T213] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.826522][ T213] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.826525][ T213] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.826527][ T213] RIP: 0033:0x7fa11841c54e [ 10.826531][ T213] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 10.826533][ T213] RSP: 002b:00007ffc4d1e40b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.826535][ T213] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa11841c54e [ 10.826537][ T213] RDX: 0000000000000000 RSI: 00007ffc4d1e4160 RDI: 0000000000000005 [ 10.826537][ T213] RBP: 00007ffc4d1e40c0 R08: 0000000000000000 R09: 0000000000000000 [ 10.826538][ T213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c554 [ 10.826539][ T213] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4d1e4830 | [ 24.263639][ T12] softirqs last disabled at (18456): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 24.263641][ T12] Preemption disabled at: | [ 24.263642][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.263651][ T12] Tainted: [W]=WARN [ 24.263652][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.263653][ T12] Workqueue: netns cleanup_net [ 24.263657][ T12] Call Trace: [ 24.263658][ T12] [ 24.263660][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.263666][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.263668][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 24.263672][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.263676][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.263681][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 24.263684][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.263689][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 24.263692][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.263696][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 24.263698][ T12] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 24.263700][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.263703][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 24.263708][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.263715][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.263717][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.263721][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.263726][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.263729][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.263731][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 24.263734][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.263737][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.263740][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.263745][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.263746][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.263752][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.263754][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.263756][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.263758][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.263762][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.263764][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.263767][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 24.263771][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.263773][ T12] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 24.263775][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 24.263778][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 24.263780][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 24.263783][ T12] _printk (kernel/printk/printk.c:2504) [ 24.263787][ T12] ? snapshot_read.cold (user.c:?) [ 24.263790][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 24.263793][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 24.263796][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 24.263799][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 24.263802][ T12] ? netdev_notice (net/core/dev.c:13194) [ 24.263805][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 24.263806][ T12] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 24.263809][ T12] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 24.263812][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 24.263816][ T12] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 24.263819][ T12] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 24.263821][ T12] netif_set_promiscuity (net/core/dev.c:9699) [ 24.263826][ T12] dev_set_promiscuity (net/core/dev_api.c:288) [ 24.263828][ T12] hsr_del_port (net/hsr/hsr_slave.c:244) [ 24.263834][ T12] hsr_del_ports (net/hsr/hsr_device.c:498) [ 24.263836][ T12] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 24.263839][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 24.263842][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 24.263845][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.263847][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 24.263851][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 24.263855][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 24.263857][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 24.263858][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.263861][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 24.263866][ T12] cleanup_net (net/core/net_namespace.c:706) [ 24.263869][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 24.263873][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.263875][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.263879][ T12] process_one_work (kernel/workqueue.c:3387) [ 24.263885][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.263888][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.263895][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.263902][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.263904][ T12] kthread (kernel/kthread.c:436) [ 24.263907][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.263910][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.263912][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.263916][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.263920][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.263923][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print release_sock:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars