====================================== | [ 9.688852][ T176] softirqs last disabled at (20770): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.688854][ T176] Preemption disabled at: | [ 9.688855][ T176] 0x0 | [ 9.688865][ T176] Tainted: [W]=WARN [ 9.688866][ T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.688867][ T176] Call Trace: [ 9.688869][ T176] [ 9.688870][ T176] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.688877][ T176] __might_resched.cold (kernel/sched/core.c:9234) [ 9.688881][ T176] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.688885][ T176] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.688890][ T176] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.688892][ T176] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.688898][ T176] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.688901][ T176] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.688904][ T176] put_chars (drivers/char/virtio_console.c:1176) [ 9.688907][ T176] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.688909][ T176] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.688914][ T176] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.688919][ T176] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.688925][ T176] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.688927][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.688930][ T176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.688934][ T176] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.688938][ T176] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.688939][ T176] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.688942][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.688945][ T176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.688949][ T176] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.688953][ T176] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.688954][ T176] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.688959][ T176] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.688962][ T176] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.688970][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.688972][ T176] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.688976][ T176] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.688978][ T176] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.688981][ T176] vprintk_emit (kernel/printk/printk.c:2479) [ 9.688985][ T176] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.688988][ T176] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.688992][ T176] _printk (kernel/printk/printk.c:2504) [ 9.688995][ T176] ? snapshot_read.cold (user.c:?) [ 9.688998][ T176] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.689001][ T176] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.689004][ T176] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.689007][ T176] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.689011][ T176] ? exit_notify (kernel/exit.c:780) [ 9.689012][ T176] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.689015][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.689019][ T176] do_group_exit (kernel/exit.c:1151) [ 9.689022][ T176] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.689023][ T176] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.689026][ T176] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.689030][ T176] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.689033][ T176] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.689035][ T176] RIP: 0033:0x7fbbe0bfe1b8 [ 9.689037][ T176] Code: Unable to access opcode bytes at 0x7fbbe0bfe18e. Code starting with the faulting instruction =========================================== [ 9.689039][ T176] RSP: 002b:00007fff04c73ef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.689041][ T176] RAX: ffffffffffffffda RBX: 00007fbbe0d2ef88 RCX: 00007fbbe0bfe1b8 [ 9.689042][ T176] RDX: 00007fbbe0948fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.689043][ T176] RBP: 00007fff04c73f50 R08: 0000000000000000 R09: 0000000000000050 [ 9.689044][ T176] R10: 00007fff04c73d10 R11: 0000000000000246 R12: 0000000000000001 [ 9.689045][ T176] R13: 0000000000000000 R14: 00007fbbe0d2d680 R15: 00007fbbe0d2efa0 | [ 12.008151][ T215] softirqs last disabled at (17766): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 12.008153][ T215] Preemption disabled at: | [ 12.008154][ T215] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.008163][ T215] Tainted: [W]=WARN [ 12.008164][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.008165][ T215] Call Trace: [ 12.008167][ T215] [ 12.008168][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.008174][ T215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.008176][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 12.008181][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.008185][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.008190][ T215] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.008192][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.008198][ T215] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.008201][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.008204][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 12.008207][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.008209][ T215] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 12.008213][ T215] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.008217][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.008222][ T215] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.008224][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.008225][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.008229][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.008231][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.008235][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.008239][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.008243][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.008245][ T215] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.008248][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.008252][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.008256][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.008260][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.008262][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.008267][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.008270][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.008271][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.008274][ T215] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.008277][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.008279][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.008283][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 12.008286][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.008289][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.008290][ T215] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.008294][ T215] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.008297][ T215] _printk (kernel/printk/printk.c:2504) [ 12.008301][ T215] ? snapshot_read.cold (user.c:?) [ 12.008304][ T215] ? br_multicast_flood (??:?) [ 12.008307][ T215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.008308][ T215] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.008309][ T215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.008314][ T215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.008317][ T215] br_init_port (net/bridge/br_stp_if.c:39) [ 12.008320][ T215] new_nbp (net/bridge/br_if.c:449) [ 12.008323][ T215] br_add_if (net/bridge/br_if.c:592) [ 12.008326][ T215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.008329][ T215] ? __kernel_text_address (kernel/extable.c:79) [ 12.008333][ T215] do_set_master (net/core/rtnetlink.c:3071) [ 12.008335][ T215] ? netif_change_flags (net/core/dev.c:9882) [ 12.008339][ T215] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.008342][ T215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.008345][ T215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.008346][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.008349][ T215] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.008352][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.008355][ T215] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.008357][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.008360][ T215] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.008363][ T215] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.008364][ T215] ? kasan_save_track (mm/kasan/common.c:78) [ 12.008367][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.008369][ T215] ? __netlink_deliver_tap (./include/linux/skbuff.h:1384 net/netlink/af_netlink.c:174 net/netlink/af_netlink.c:299 net/netlink/af_netlink.c:326) [ 12.008373][ T215] ? ___sys_sendmsg (net/socket.c:2756) [ 12.008378][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.008380][ T215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.008382][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.008385][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.008386][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.008388][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.008391][ T215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.008394][ T215] ? __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) [ 12.008397][ T215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.008399][ T215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.008403][ T215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.008405][ T215] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.008410][ T215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.008415][ T215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.008420][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.008422][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.008427][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.008428][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.008430][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.008432][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.008436][ T215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.008438][ T215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.008441][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.008443][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.008447][ T215] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.008449][ T215] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.008452][ T215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.008454][ T215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.008457][ T215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.008464][ T215] ? 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)) [ 12.008466][ T215] ? 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)) [ 12.008470][ T215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.008474][ T215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.008477][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.008481][ T215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.008485][ T215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.008489][ T215] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.008495][ T215] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.008497][ T215] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.008500][ T215] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.008501][ T215] ? move_addr_to_kernel (net/socket.c:258) [ 12.008509][ T215] ___sys_sendmsg (net/socket.c:2767) [ 12.008512][ T215] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.008527][ T215] __sys_sendmsg (net/socket.c:2799) [ 12.008530][ T215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.008537][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.008540][ T215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.008543][ T215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.008546][ T215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.008548][ T215] RIP: 0033:0x7f05d7a2654e [ 12.008552][ T215] 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 [ 12.008554][ T215] RSP: 002b:00007ffdfea3ced0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.008557][ T215] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f05d7a2654e [ 12.008558][ T215] RDX: 0000000000000000 RSI: 00007ffdfea3cf80 RDI: 0000000000000005 [ 12.008559][ T215] RBP: 00007ffdfea3cee0 R08: 0000000000000000 R09: 0000000000000000 [ 12.008560][ T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913283 [ 12.008561][ T215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfea3d650 | [ 25.806443][ T70] softirqs last disabled at (36290): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 25.806446][ T70] Preemption disabled at: | [ 25.806446][ T70] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.806456][ T70] Tainted: [W]=WARN [ 25.806457][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.806459][ T70] Workqueue: netns cleanup_net [ 25.806462][ T70] Call Trace: [ 25.806464][ T70] [ 25.806466][ T70] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.806476][ T70] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.806478][ T70] __might_resched.cold (kernel/sched/core.c:9234) [ 25.806483][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.806487][ T70] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.806492][ T70] __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)) [ 25.806494][ T70] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.806500][ T70] ? 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) [ 25.806503][ T70] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.806506][ T70] put_chars (drivers/char/virtio_console.c:1176) [ 25.806509][ T70] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 25.806511][ T70] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.806514][ T70] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 25.806519][ T70] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.806526][ T70] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.806529][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.806533][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.806537][ T70] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.806541][ T70] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.806543][ T70] ? 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)) [ 25.806546][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.806548][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.806552][ T70] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.806556][ T70] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.806558][ T70] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.806564][ T70] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.806567][ T70] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.806568][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.806571][ T70] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.806575][ T70] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.806576][ T70] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.806580][ T70] vprintk_emit (kernel/printk/printk.c:2479) [ 25.806583][ T70] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.806586][ T70] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 25.806588][ T70] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.806591][ T70] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 25.806593][ T70] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 25.806596][ T70] _printk (kernel/printk/printk.c:2504) [ 25.806600][ T70] ? snapshot_read.cold (user.c:?) [ 25.806603][ T70] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 25.806606][ T70] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.806609][ T70] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.806613][ T70] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.806616][ T70] ? netdev_notice (net/core/dev.c:13194) [ 25.806619][ T70] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 25.806621][ T70] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 25.806623][ T70] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 25.806627][ T70] ? 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) [ 25.806631][ T70] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 25.806633][ T70] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 25.806636][ T70] netif_set_promiscuity (net/core/dev.c:9699) [ 25.806641][ T70] dev_set_promiscuity (net/core/dev_api.c:288) [ 25.806644][ T70] hsr_del_port (net/hsr/hsr_slave.c:244) [ 25.806649][ T70] hsr_del_ports (net/hsr/hsr_device.c:498) [ 25.806652][ T70] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 25.806654][ T70] default_device_exit_batch (net/core/dev.c:13280) [ 25.806658][ T70] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 25.806660][ T70] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.806663][ T70] ? 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) [ 25.806667][ T70] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 25.806671][ T70] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.806673][ T70] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 25.806675][ T70] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.806678][ T70] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 25.806682][ T70] cleanup_net (net/core/net_namespace.c:706) [ 25.806686][ T70] ? net_passive_dec (./include/linux/llist.h:241) [ 25.806689][ T70] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.806691][ T70] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.806695][ T70] process_one_work (kernel/workqueue.c:3387) [ 25.806702][ T70] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.806705][ T70] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.806712][ T70] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.806717][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.806719][ T70] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 25.806722][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.806725][ T70] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.806727][ T70] kthread (kernel/kthread.c:436) [ 25.806729][ T70] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.806732][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.806735][ T70] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.806739][ T70] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.806743][ T70] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.806746][ T70] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: release_sock:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars