====================================== | [ 10.662014][ T196] softirqs last disabled at (22824): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.662017][ T196] Preemption disabled at: | [ 10.662018][ T196] 0x0 | [ 10.662031][ T196] Tainted: [W]=WARN [ 10.662033][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.662035][ T196] Call Trace: [ 10.662037][ T196] [ 10.662040][ T196] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.662048][ T196] __might_resched.cold (kernel/sched/core.c:9234) [ 10.662055][ T196] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.662061][ T196] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.662068][ T196] __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)) [ 10.662072][ T196] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.662081][ T196] ? 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) [ 10.662085][ T196] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.662093][ T196] put_chars (drivers/char/virtio_console.c:1176) [ 10.662098][ T196] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.662100][ T196] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.662106][ T196] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.662116][ T196] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.662127][ T196] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.662131][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.662135][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.662142][ T196] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.662148][ T196] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.662151][ T196] ? 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)) [ 10.662157][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.662160][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.662167][ T196] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.662175][ T196] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.662177][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.662187][ T196] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.662192][ T196] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.662194][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.662198][ T196] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.662205][ T196] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.662207][ T196] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.662213][ T196] vprintk_emit (kernel/printk/printk.c:2479) [ 10.662220][ T196] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.662225][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.662232][ T196] _printk (kernel/printk/printk.c:2504) [ 10.662237][ T196] ? snapshot_read.cold (user.c:?) [ 10.662242][ T196] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.662246][ T196] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.662253][ T196] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.662258][ T196] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.662263][ T196] ? exit_notify (kernel/exit.c:780) [ 10.662266][ T196] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.662270][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.662278][ T196] do_group_exit (kernel/exit.c:1151) [ 10.662282][ T196] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.662285][ T196] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.662289][ T196] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.662293][ T196] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.662298][ T196] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.662301][ T196] RIP: 0033:0x7f0beaad61b8 [ 10.662305][ T196] Code: Unable to access opcode bytes at 0x7f0beaad618e. Code starting with the faulting instruction =========================================== [ 10.662306][ T196] RSP: 002b:00007ffd23d04e98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.662310][ T196] RAX: ffffffffffffffda RBX: 00007f0beac06f88 RCX: 00007f0beaad61b8 [ 10.662312][ T196] RDX: 00007f0bea820fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.662313][ T196] RBP: 00007ffd23d04ef0 R08: 0000000000000000 R09: 0000000000008010 [ 10.662315][ T196] R10: 00007ffd23d04cb0 R11: 0000000000000246 R12: 0000000000000001 [ 10.662316][ T196] R13: 0000000000000000 R14: 00007f0beac05680 R15: 00007f0beac06fa0 | [ 12.678080][ T265] softirqs last disabled at (20644): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.678083][ T265] Preemption disabled at: | [ 12.678084][ T265] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.678096][ T265] Tainted: [W]=WARN [ 12.678096][ T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.678098][ T265] Call Trace: [ 12.678100][ T265] [ 12.678102][ T265] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.678108][ T265] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.678110][ T265] __might_resched.cold (kernel/sched/core.c:9234) [ 12.678115][ T265] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.678120][ T265] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.678125][ T265] __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)) [ 12.678128][ T265] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.678133][ T265] ? 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) [ 12.678136][ T265] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.678139][ T265] put_chars (drivers/char/virtio_console.c:1176) [ 12.678142][ T265] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.678147][ T265] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.678151][ T265] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.678153][ T265] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.678155][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.678157][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.678161][ T265] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.678163][ T265] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.678167][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.678171][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.678175][ T265] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.678179][ T265] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.678181][ T265] ? 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)) [ 12.678184][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.678186][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.678190][ T265] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.678195][ T265] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.678197][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.678202][ T265] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.678205][ T265] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.678207][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.678209][ T265] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.678213][ T265] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.678215][ T265] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.678219][ T265] vprintk_emit (kernel/printk/printk.c:2479) [ 12.678222][ T265] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.678225][ T265] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.678227][ T265] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.678231][ T265] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.678235][ T265] _printk (kernel/printk/printk.c:2504) [ 12.678238][ T265] ? snapshot_read.cold (user.c:?) [ 12.678243][ T265] ? br_multicast_flood (??:?) bridge [ 12.678256][ T265] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.678257][ T265] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.678259][ T265] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.678263][ T265] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.678273][ T265] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.678282][ T265] new_nbp (net/bridge/br_if.c:449) bridge [ 12.678292][ T265] br_add_if (net/bridge/br_if.c:592) bridge [ 12.678299][ T265] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.678303][ T265] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.678306][ T265] ? __kernel_text_address (kernel/extable.c:79) [ 12.678310][ T265] do_set_master (net/core/rtnetlink.c:3071) [ 12.678315][ T265] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.678319][ T265] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.678322][ T265] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.678323][ T265] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.678326][ T265] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.678330][ T265] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.678332][ T265] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.678334][ T265] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.678337][ T265] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.678340][ T265] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.678342][ T265] ? kasan_save_track (mm/kasan/common.c:78) [ 12.678345][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.678347][ T265] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.678350][ T265] ? ___sys_sendmsg (net/socket.c:2757) [ 12.678355][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.678357][ T265] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.678359][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.678362][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.678363][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.678365][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.678368][ T265] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.678372][ T265] ? __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) [ 12.678373][ T265] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.678375][ T265] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.678379][ T265] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.678381][ T265] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.678386][ T265] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.678392][ T265] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.678397][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.678399][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.678404][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.678406][ T265] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.678408][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.678410][ T265] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.678414][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.678416][ T265] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.678419][ T265] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.678420][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.678425][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.678427][ T265] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.678431][ T265] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.678433][ T265] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.678436][ T265] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.678442][ T265] ? 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)) [ 12.678444][ T265] ? 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)) [ 12.678448][ T265] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.678456][ T265] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.678459][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.678464][ T265] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.678468][ T265] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.678472][ T265] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.678477][ T265] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.678480][ T265] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.678482][ T265] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.678484][ T265] ? move_addr_to_kernel (net/socket.c:258) [ 12.678491][ T265] ___sys_sendmsg (net/socket.c:2767) [ 12.678494][ T265] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.678511][ T265] __sys_sendmsg (net/socket.c:2799) [ 12.678514][ T265] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.678521][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.678525][ T265] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.678527][ T265] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.678530][ T265] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.678532][ T265] RIP: 0033:0x7fa06cfcb54e [ 12.678536][ T265] 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 [ 12.678538][ T265] RSP: 002b:00007ffdb1dcbc80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.678541][ T265] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa06cfcb54e [ 12.678542][ T265] RDX: 0000000000000000 RSI: 00007ffdb1dcbd30 RDI: 0000000000000005 [ 12.678543][ T265] RBP: 00007ffdb1dcbc90 R08: 0000000000000000 R09: 0000000000000000 [ 12.678544][ T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103e1 [ 12.678545][ T265] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb1dcc3f0 | [ 15.843308][ T369] softirqs last disabled at (10998): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.843311][ T369] Preemption disabled at: | [ 15.843311][ T369] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.843321][ T369] Tainted: [W]=WARN [ 15.843321][ T369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.843323][ T369] Call Trace: [ 15.843325][ T369] [ 15.843326][ T369] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.843332][ T369] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.843334][ T369] __might_resched.cold (kernel/sched/core.c:9234) [ 15.843339][ T369] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.843343][ T369] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.843348][ T369] __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)) [ 15.843350][ T369] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.843355][ T369] ? 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) [ 15.843358][ T369] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.843361][ T369] put_chars (drivers/char/virtio_console.c:1176) [ 15.843363][ T369] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.843365][ T369] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.843368][ T369] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.843373][ T369] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.843375][ T369] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.843378][ T369] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.843381][ T369] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.843383][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.843385][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.843389][ T369] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.843391][ T369] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.843394][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.843396][ T369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.843400][ T369] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.843404][ T369] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.843406][ T369] ? 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)) [ 15.843409][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.843412][ T369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.843415][ T369] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.843420][ T369] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.843421][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.843427][ T369] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.843429][ T369] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.843431][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.843434][ T369] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.843437][ T369] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.843439][ T369] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.843442][ T369] vprintk_emit (kernel/printk/printk.c:2479) [ 15.843446][ T369] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.843449][ T369] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.843451][ T369] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.843455][ T369] _printk (kernel/printk/printk.c:2504) [ 15.843459][ T369] ? snapshot_read.cold (user.c:?) [ 15.843466][ T369] ? br_multicast_flood (??:?) bridge [ 15.843478][ T369] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.843480][ T369] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.843481][ T369] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.843485][ T369] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.843496][ T369] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.843504][ T369] new_nbp (net/bridge/br_if.c:449) bridge [ 15.843513][ T369] br_add_if (net/bridge/br_if.c:592) bridge [ 15.843520][ T369] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.843524][ T369] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.843527][ T369] ? __kernel_text_address (kernel/extable.c:79) [ 15.843530][ T369] do_set_master (net/core/rtnetlink.c:3071) [ 15.843535][ T369] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.843538][ T369] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.843541][ T369] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.843542][ T369] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.843544][ T369] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.843548][ T369] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.843550][ T369] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.843552][ T369] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.843555][ T369] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.843558][ T369] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.843559][ T369] ? kasan_save_track (mm/kasan/common.c:78) [ 15.843562][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.843564][ T369] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 15.843567][ T369] ? ___sys_sendmsg (net/socket.c:2757) [ 15.843571][ T369] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.843573][ T369] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.843576][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.843578][ T369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.843579][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.843581][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.843584][ T369] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.843587][ T369] ? __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) [ 15.843590][ T369] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.843592][ T369] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.843596][ T369] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.843597][ T369] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.843602][ T369] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.843607][ T369] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.843612][ T369] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.843614][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.843619][ T369] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.843620][ T369] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.843622][ T369] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.843624][ T369] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.843628][ T369] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.843630][ T369] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.843633][ T369] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.843634][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.843638][ T369] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.843640][ T369] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.843643][ T369] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.843645][ T369] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.843648][ T369] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.843654][ T369] ? 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)) [ 15.843656][ T369] ? 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)) [ 15.843660][ T369] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.843663][ T369] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.843666][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.843670][ T369] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.843674][ T369] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.843678][ T369] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.843683][ T369] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.843685][ T369] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.843687][ T369] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.843689][ T369] ? move_addr_to_kernel (net/socket.c:258) [ 15.843696][ T369] ___sys_sendmsg (net/socket.c:2767) [ 15.843699][ T369] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.843715][ T369] __sys_sendmsg (net/socket.c:2799) [ 15.843717][ T369] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.843723][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.843727][ T369] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.843729][ T369] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.843732][ T369] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.843735][ T369] RIP: 0033:0x7fc016ada54e [ 15.843738][ T369] 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 [ 15.843740][ T369] RSP: 002b:00007ffd8239cf90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.843743][ T369] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc016ada54e [ 15.843744][ T369] RDX: 0000000000000000 RSI: 00007ffd8239d040 RDI: 0000000000000005 [ 15.843745][ T369] RBP: 00007ffd8239cfa0 R08: 0000000000000000 R09: 0000000000000000 [ 15.843746][ T369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9103e5 [ 15.843746][ T369] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8239d700 | [ 17.904692][ C3] | [ 17.904692][ C3] | [ 17.904692][ C3] stack backtrace: | [ 17.904698][ C3] Tainted: [W]=WARN [ 17.904699][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.904700][ C3] Workqueue: mld mld_ifc_work [ 17.904703][ C3] Call Trace: [ 17.904705][ C3] [ 17.904706][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.904710][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 17.904712][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 17.904715][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 17.904717][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 17.904718][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 17.904720][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.904722][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.904724][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.904727][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.904729][ C3] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.904731][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.904732][ C3] console_emit_next_record (kernel/printk/printk.c:3177) [ 17.904734][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.904736][ 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)) [ 17.904738][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.904740][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.904741][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.904744][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.904745][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.904747][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.904749][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.904751][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.904752][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.904754][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.904756][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.904758][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 17.904760][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.904762][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.904764][ C3] _printk (kernel/printk/printk.c:2504) [ 17.904765][ C3] ? snapshot_read.cold (user.c:?) [ 17.904767][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.904770][ C3] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.904777][ C3] ? idr_get_free (??:?) [ 17.904779][ C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.904786][ C3] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.904793][ C3] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 17.904801][ C3] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 17.904809][ C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.904816][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.904818][ C3] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.904824][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.904826][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.904827][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.904829][ C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.904835][ C3] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.904842][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.904845][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.904850][ C3] ? __udp6_lib_lookup (net/ipv6/udp.c:392) [ 17.904852][ C3] ? do_xdp_generic (net/core/dev.c:5732) [ 17.904854][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.904855][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.904858][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 17.904860][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 17.904861][ C3] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 17.904863][ C3] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 17.904865][ C3] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.904867][ C3] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.904869][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.904871][ C3] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 17.904873][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.904875][ C3] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.904877][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.904878][ C3] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.904880][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.904882][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.904884][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.904886][ C3] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 17.904888][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.904889][ C3] ? netif_receive_skb_list (net/core/dev.c:6551) [ 17.904891][ C3] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 17.904893][ C3] gro_cell_poll (net/core/gro_cells.c:76) [ 17.904896][ C3] __napi_poll (net/core/dev.c:7787) [ 17.904898][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.904900][ C3] ? __napi_poll (./include/net/gro.h:507) [ 17.904902][ C3] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 17.904904][ C3] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 17.904907][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.904908][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.904911][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 17.904914][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.904915][ C3] handle_softirqs (kernel/softirq.c:645) [ 17.904917][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.904919][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.904920][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 17.904922][ C3] [ 17.904922][ C3] [ 17.904923][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 17.904925][ C3] ipv6_get_lladdr (net/ipv6/addrconf.c:1951) [ 17.904927][ C3] mld_newpack (net/ipv6/mcast.c:1804) [ 17.904929][ C3] ? mld_sendpack (./include/linux/skbuff.h:1165) [ 17.904930][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.904932][ C3] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.904934][ C3] ? add_grhead (./include/linux/skbuff.h:3092 (discriminator 4) ./include/linux/igmp.h:29 (discriminator 4) net/ipv4/igmp.c:501 (discriminator 4)) [ 17.904935][ C3] add_grhead (./include/linux/skbuff.h:3092 (discriminator 4) ./include/linux/igmp.h:29 (discriminator 4) net/ipv4/igmp.c:501 (discriminator 4)) [ 17.904937][ C3] add_grec (./include/linux/lockdep.h:249 net/ipv4/igmp.c:556) [ 17.904939][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.904940][ C3] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.904942][ C3] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.904944][ C3] ? add_grhead (net/ipv4/igmp.c:511) [ 17.904946][ C3] mld_send_cr (net/ipv6/mcast.c:2165) [ 17.904948][ C3] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.904950][ C3] mld_ifc_work (net/ipv6/mcast.c:2711) [ 17.904951][ C3] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 17.904953][ C3] process_one_work (kernel/workqueue.c:3387) [ 17.904955][ C3] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.904957][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.904960][ C3] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.904962][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.904964][ C3] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 17.904965][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.904967][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.904968][ C3] kthread (kernel/kthread.c:436) [ 17.904970][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.904972][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.904974][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.904976][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.904977][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.904980][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.904982][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 17.904999][ C3] softirqs last disabled at (25811): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 17.905001][ C3] Preemption disabled at: | [ 17.905001][ C3] 0x0 | [ 17.905006][ C3] Tainted: [W]=WARN [ 17.905007][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.905007][ C3] Workqueue: mld mld_ifc_work [ 17.905009][ C3] Call Trace: [ 17.905010][ C3] [ 17.905010][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.905012][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 17.905015][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.905018][ C3] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 17.905020][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.905022][ C3] __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)) [ 17.905024][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.905025][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.905027][ C3] ? 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) [ 17.905028][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.905030][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 17.905032][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.905033][ C3] ? mark_lock (kernel/locking/lockdep.c:4769) [ 17.905035][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.905038][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.905039][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.905041][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.905042][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.905045][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.905046][ 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)) [ 17.905048][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.905050][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.905051][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.905054][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.905055][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.905057][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.905059][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.905061][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.905063][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.905064][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.905066][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.905068][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 17.905070][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.905072][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.905074][ C3] _printk (kernel/printk/printk.c:2504) [ 17.905075][ C3] ? snapshot_read.cold (user.c:?) [ 17.905077][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.905079][ C3] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.905086][ C3] ? idr_get_free (??:?) [ 17.905088][ C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.905095][ C3] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.905101][ C3] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 17.905107][ C3] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 17.905114][ C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.905120][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.905122][ C3] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.905128][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.905129][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.905131][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.905133][ C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.905139][ C3] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.905145][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.905148][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.905151][ C3] ? __udp6_lib_lookup (net/ipv6/udp.c:392) [ 17.905153][ C3] ? do_xdp_generic (net/core/dev.c:5732) [ 17.905154][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.905156][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.905159][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 17.905161][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 17.905162][ C3] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 17.905164][ C3] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 17.905166][ C3] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.905168][ C3] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.905170][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.905171][ C3] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 17.905173][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.905175][ C3] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.905177][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.905179][ C3] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.905180][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.905182][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.905184][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.905186][ C3] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 17.905188][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.905189][ C3] ? netif_receive_skb_list (net/core/dev.c:6551) [ 17.905191][ C3] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 17.905193][ C3] gro_cell_poll (net/core/gro_cells.c:76) [ 17.905196][ C3] __napi_poll (net/core/dev.c:7787) [ 17.905197][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.905200][ C3] ? __napi_poll (./include/net/gro.h:507) [ 17.905202][ C3] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 17.905203][ C3] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 17.905205][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.905206][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.905209][ C3] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 17.905210][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.905212][ C3] handle_softirqs (kernel/softirq.c:645) [ 17.905214][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.905215][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.905217][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 17.905218][ C3] [ 17.905219][ C3] [ 17.905219][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 17.905221][ C3] ipv6_get_lladdr (net/ipv6/addrconf.c:1951) [ 17.905223][ C3] mld_newpack (net/ipv6/mcast.c:1804) [ 17.905225][ C3] ? mld_sendpack (./include/linux/skbuff.h:1165) [ 17.905227][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.905228][ C3] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.905230][ C3] ? add_grhead (./include/linux/skbuff.h:3092 (discriminator 4) ./include/linux/igmp.h:29 (discriminator 4) net/ipv4/igmp.c:501 (discriminator 4)) [ 17.905232][ C3] add_grhead (./include/linux/skbuff.h:3092 (discriminator 4) ./include/linux/igmp.h:29 (discriminator 4) net/ipv4/igmp.c:501 (discriminator 4)) [ 17.905233][ C3] add_grec (./include/linux/lockdep.h:249 net/ipv4/igmp.c:556) [ 17.905235][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.905236][ C3] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.905238][ C3] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.905240][ C3] ? add_grhead (net/ipv4/igmp.c:511) [ 17.905242][ C3] mld_send_cr (net/ipv6/mcast.c:2165) [ 17.905244][ C3] ? mld_ifc_work (net/ipv6/mcast.c:2710) [ 17.905246][ C3] mld_ifc_work (net/ipv6/mcast.c:2711) [ 17.905247][ C3] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 17.905249][ C3] process_one_work (kernel/workqueue.c:3387) [ 17.905251][ C3] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.905253][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.905256][ C3] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.905258][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.905260][ C3] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 17.905261][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.905263][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.905264][ C3] kthread (kernel/kthread.c:436) [ 17.905266][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.905267][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.905268][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.905270][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.905272][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.905273][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.905275][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 28.857201][ T12] softirqs last disabled at (33164): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 28.857203][ T12] Preemption disabled at: | [ 28.857204][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.857216][ T12] Tainted: [W]=WARN [ 28.857217][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.857219][ T12] Workqueue: netns cleanup_net [ 28.857225][ T12] Call Trace: [ 28.857226][ T12] [ 28.857228][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.857234][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.857236][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 28.857240][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.857243][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.857247][ 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)) [ 28.857251][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.857254][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.857258][ 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) [ 28.857259][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.857261][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 28.857263][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 28.857265][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.857267][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 28.857269][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.857273][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.857274][ T12] ? 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) [ 28.857276][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.857277][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.857279][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.857281][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.857283][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.857286][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.857288][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.857289][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.857291][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.857293][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.857295][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 28.857296][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.857299][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.857301][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.857303][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.857305][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.857307][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.857308][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 28.857310][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.857311][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 28.857313][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.857315][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.857317][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 28.857319][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.857321][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 28.857324][ T12] ? kthread (kernel/kthread.c:436) [ 28.857326][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 28.857328][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 28.857331][ T12] _printk (kernel/printk/printk.c:2504) [ 28.857334][ T12] ? snapshot_read.cold (user.c:?) [ 28.857336][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 28.857339][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 28.857341][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 28.857343][ T12] ? netdev_notice (net/core/dev.c:13194) [ 28.857345][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.857347][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 28.857348][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 28.857351][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 28.857352][ 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) [ 28.857355][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 28.857358][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 28.857361][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 28.857374][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 28.857382][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 28.857389][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 28.857392][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 28.857394][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 28.857397][ T12] cleanup_net (net/core/net_namespace.c:706) [ 28.857399][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 28.857401][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.857403][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.857405][ T12] process_one_work (kernel/workqueue.c:3387) [ 28.857408][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 28.857410][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.857412][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.857414][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 28.857417][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.857419][ T12] kthread (kernel/kthread.c:436) [ 28.857421][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.857422][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.857424][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 28.857426][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 28.857427][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 28.857430][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print