====================================== | [ 9.909400][ T202] softirqs last disabled at (43341): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.909402][ T202] Preemption disabled at: | [ 9.909403][ T202] 0x0 | [ 9.909413][ T202] Tainted: [W]=WARN [ 9.909414][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.909416][ T202] Call Trace: [ 9.909417][ T202] [ 9.909419][ T202] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.909425][ T202] __might_resched.cold (kernel/sched/core.c:9234) [ 9.909430][ T202] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.909434][ T202] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.909438][ T202] __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)) [ 9.909440][ T202] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.909447][ T202] ? 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) [ 9.909450][ T202] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.909454][ T202] put_chars (drivers/char/virtio_console.c:1176) [ 9.909456][ T202] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.909457][ T202] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.909461][ T202] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.909466][ T202] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.909474][ T202] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.909476][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.909478][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.909483][ T202] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.909487][ T202] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.909488][ T202] ? 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)) [ 9.909492][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.909493][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.909497][ T202] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.909501][ T202] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.909503][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.909508][ T202] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.909511][ T202] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.909513][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.909515][ T202] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.909519][ T202] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.909520][ T202] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.909523][ T202] vprintk_emit (kernel/printk/printk.c:2479) [ 9.909526][ T202] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.909529][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.909533][ T202] _printk (kernel/printk/printk.c:2504) [ 9.909536][ T202] ? snapshot_read.cold (user.c:?) [ 9.909539][ T202] ? 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) [ 9.909542][ T202] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.909546][ T202] ? 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) [ 9.909548][ T202] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.909552][ T202] ? exit_notify (kernel/exit.c:780) [ 9.909553][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.909556][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.909560][ T202] do_group_exit (kernel/exit.c:1151) [ 9.909562][ T202] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.909564][ T202] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.909567][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.909571][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.909574][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.909576][ T202] RIP: 0033:0x7f5b88a961b8 [ 9.909578][ T202] Code: Unable to access opcode bytes at 0x7f5b88a9618e. Code starting with the faulting instruction =========================================== [ 9.909579][ T202] RSP: 002b:00007ffd02fb8d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.909581][ T202] RAX: ffffffffffffffda RBX: 00007f5b88bc6f88 RCX: 00007f5b88a961b8 [ 9.909582][ T202] RDX: 00007f5b887e0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.909583][ T202] RBP: 00007ffd02fb8d80 R08: 0000000000000000 R09: 0000000000000050 [ 9.909584][ T202] R10: 00007ffd02fb8b40 R11: 0000000000000246 R12: 0000000000000001 [ 9.909585][ T202] R13: 0000000000000000 R14: 00007f5b88bc5680 R15: 00007f5b88bc6fa0 | [ 28.401068][ T615] softirqs last disabled at (20098): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 28.401071][ T615] Preemption disabled at: | [ 28.401072][ T615] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.401080][ T615] Tainted: [W]=WARN [ 28.401081][ T615] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.401083][ T615] Call Trace: [ 28.401085][ T615] [ 28.401086][ T615] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.401092][ T615] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.401094][ T615] __might_resched.cold (kernel/sched/core.c:9234) [ 28.401098][ T615] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.401103][ T615] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.401107][ T615] __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)) [ 28.401109][ T615] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.401116][ T615] ? 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) [ 28.401119][ T615] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.401123][ T615] put_chars (drivers/char/virtio_console.c:1176) [ 28.401126][ T615] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.401129][ T615] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 28.401134][ T615] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.401142][ T615] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.401144][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.401147][ T615] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.401151][ T615] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.401155][ T615] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.401159][ T615] ? 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)) [ 28.401163][ T615] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.401167][ T615] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.401169][ T615] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.401174][ T615] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.401177][ T615] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.401179][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.401181][ T615] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 28.401184][ T615] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.401186][ T615] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.401189][ T615] vprintk_emit (kernel/printk/printk.c:2479) [ 28.401192][ T615] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.401194][ T615] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.401195][ T615] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 28.401199][ T615] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 28.401202][ T615] _printk (kernel/printk/printk.c:2504) [ 28.401206][ T615] ? snapshot_read.cold (user.c:?) [ 28.401209][ T615] ? br_multicast_flood (??:?) [ 28.401212][ T615] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 28.401214][ T615] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.401215][ T615] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.401219][ T615] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.401223][ T615] br_init_port (net/bridge/br_stp_if.c:39) [ 28.401225][ T615] new_nbp (net/bridge/br_if.c:449) [ 28.401229][ T615] br_add_if (net/bridge/br_if.c:592) [ 28.401231][ T615] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 28.401235][ T615] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 28.401240][ T615] do_set_master (net/core/rtnetlink.c:3071) [ 28.401243][ T615] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 28.401247][ T615] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 28.401255][ T615] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 28.401256][ T615] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 28.401259][ T615] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 28.401262][ T615] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.401265][ T615] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.401267][ T615] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.401269][ T615] ? kasan_save_stack (mm/kasan/common.c:58) [ 28.401271][ T615] ? kasan_save_stack (mm/kasan/common.c:57) [ 28.401273][ T615] ? kasan_save_track (mm/kasan/common.c:78) [ 28.401274][ T615] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 28.401276][ T615] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.401278][ T615] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 28.401281][ T615] ? ___sys_sendmsg (net/socket.c:2758) [ 28.401285][ T615] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.401287][ T615] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 28.401289][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.401291][ T615] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.401293][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.401294][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.401296][ T615] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 28.401298][ T615] ? __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) [ 28.401299][ T615] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 28.401301][ T615] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 28.401304][ T615] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 28.401305][ T615] ? nla_get_range_signed (lib/nlattr.c:270) [ 28.401310][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.401312][ T615] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 28.401317][ T615] rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.401323][ T615] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.401324][ T615] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.401329][ T615] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.401331][ T615] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.401333][ T615] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.401334][ T615] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.401338][ T615] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.401340][ T615] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.401343][ T615] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.401345][ T615] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.401349][ T615] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.401351][ T615] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.401354][ T615] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 28.401357][ T615] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.401360][ T615] ? netlink_ack (./include/linux/skbuff.h:2718) [ 28.401367][ T615] ? 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)) [ 28.401369][ T615] ? 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)) [ 28.401373][ T615] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 28.401377][ T615] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.401380][ T615] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.401384][ T615] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 28.401388][ T615] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.401392][ T615] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.401394][ T615] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 28.401399][ T615] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 28.401402][ T615] ____sys_sendmsg (net/socket.c:2713) [ 28.401404][ T615] ? copy_msghdr_from_user (net/socket.c:2650) [ 28.401406][ T615] ? sock_write_iter (net/socket.c:1269) [ 28.401408][ T615] ? move_addr_to_kernel (net/socket.c:258) [ 28.401415][ T615] ___sys_sendmsg (net/socket.c:2767) [ 28.401418][ T615] ? copy_msghdr_from_user (net/socket.c:2619) [ 28.401434][ T615] __sys_sendmsg (net/socket.c:2799) [ 28.401436][ T615] ? __sys_sendmsg_sock (net/socket.c:2780) [ 28.401443][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.401446][ T615] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.401449][ T615] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.401451][ T615] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.401454][ T615] RIP: 0033:0x7fbbd866c54e [ 28.401457][ T615] 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 [ 28.401459][ T615] RSP: 002b:00007ffdc3db3540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 28.401462][ T615] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbbd866c54e [ 28.401463][ T615] RDX: 0000000000000000 RSI: 00007ffdc3db35f0 RDI: 0000000000000005 [ 28.401464][ T615] RBP: 00007ffdc3db3550 R08: 0000000000000000 R09: 0000000000000000 [ 28.401465][ T615] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130de [ 28.401466][ T615] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc3db3cc0 | [ 31.008620][ T634] softirqs last disabled at (1301653): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 31.008622][ T634] Preemption disabled at: | [ 31.008623][ T634] 0x0 | [ 31.008633][ T634] Tainted: [W]=WARN [ 31.008634][ T634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.008636][ T634] Call Trace: [ 31.008637][ T634] [ 31.008639][ T634] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.008645][ T634] __might_resched.cold (kernel/sched/core.c:9234) [ 31.008650][ T634] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.008654][ T634] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.008659][ T634] __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)) [ 31.008661][ T634] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.008668][ T634] ? 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) [ 31.008671][ T634] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.008675][ T634] put_chars (drivers/char/virtio_console.c:1176) [ 31.008676][ T634] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 31.008679][ T634] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.008682][ T634] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.008685][ T634] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.008688][ T634] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.008692][ T634] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.008696][ T634] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.008698][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.008700][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.008704][ T634] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.008707][ T634] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 31.008710][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.008712][ T634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.008717][ T634] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.008721][ T634] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.008723][ T634] ? 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)) [ 31.008726][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.008728][ T634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.008732][ T634] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.008737][ T634] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.008739][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.008744][ T634] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.008747][ T634] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.008749][ T634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.008751][ T634] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 31.008755][ T634] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.008757][ T634] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.008759][ T634] vprintk_emit (kernel/printk/printk.c:2479) [ 31.008763][ T634] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.008764][ T634] ? 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) [ 31.008767][ T634] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.008771][ T634] _printk (kernel/printk/printk.c:2504) [ 31.008775][ T634] ? snapshot_read.cold (user.c:?) [ 31.008778][ T634] ? 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) [ 31.008781][ T634] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.008785][ T634] ? 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) [ 31.008788][ T634] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 31.008792][ T634] ? exit_notify (kernel/exit.c:780) [ 31.008797][ T634] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 31.008799][ T634] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 31.008802][ T634] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.008806][ T634] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.008809][ T634] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.008811][ T634] RIP: 0033:0x7f948a3a6c49 [ 31.008813][ T634] Code: Unable to access opcode bytes at 0x7f948a3a6c1f. Code starting with the faulting instruction =========================================== [ 31.008814][ T634] RSP: 002b:00007f9489b65e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.008817][ T634] RAX: ffffffffffffffda RBX: 00007f9489b666c0 RCX: 00007f948a3a6c49 [ 31.008818][ T634] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 31.008819][ T634] RBP: 00007f9489b65f70 R08: 0000000000000001 R09: 00007f9489b666c0 [ 31.008820][ T634] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f9489366000 [ 31.008821][ T634] R13: 00007ffe28a3ff30 R14: 0000000000000002 R15: 00007ffe28a40037 | [ 44.844056][ T912] softirqs last disabled at (48517): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 44.844058][ T912] Preemption disabled at: | [ 44.844059][ T912] 0x0 | [ 44.844070][ T912] Tainted: [W]=WARN [ 44.844071][ T912] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.844072][ T912] Call Trace: [ 44.844074][ T912] [ 44.844075][ T912] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.844082][ T912] __might_resched.cold (kernel/sched/core.c:9234) [ 44.844086][ T912] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.844090][ T912] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.844095][ T912] __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)) [ 44.844097][ T912] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.844104][ T912] ? 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) [ 44.844107][ T912] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.844111][ T912] put_chars (drivers/char/virtio_console.c:1176) [ 44.844113][ T912] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.844114][ T912] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.844118][ T912] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.844124][ T912] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.844131][ T912] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.844134][ T912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.844136][ T912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.844140][ T912] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.844144][ T912] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.844146][ T912] ? 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)) [ 44.844149][ T912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.844151][ T912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.844155][ T912] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.844159][ T912] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.844161][ T912] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.844166][ T912] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.844169][ T912] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.844171][ T912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.844173][ T912] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 44.844176][ T912] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.844178][ T912] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.844181][ T912] vprintk_emit (kernel/printk/printk.c:2479) [ 44.844184][ T912] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.844185][ T912] ? 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) [ 44.844188][ T912] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.844192][ T912] _printk (kernel/printk/printk.c:2504) [ 44.844196][ T912] ? snapshot_read.cold (user.c:?) [ 44.844198][ T912] ? 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) [ 44.844201][ T912] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.844205][ T912] ? 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) [ 44.844208][ T912] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 44.844211][ T912] ? exit_notify (kernel/exit.c:780) [ 44.844213][ T912] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.844215][ T912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.844219][ T912] do_group_exit (kernel/exit.c:1151) [ 44.844222][ T912] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 44.844224][ T912] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 44.844226][ T912] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 44.844230][ T912] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 44.844233][ T912] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.844235][ T912] RIP: 0033:0x7fdce4fe51b8 [ 44.844237][ T912] Code: Unable to access opcode bytes at 0x7fdce4fe518e. Code starting with the faulting instruction =========================================== [ 44.844238][ T912] RSP: 002b:00007ffe86e52698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 44.844241][ T912] RAX: ffffffffffffffda RBX: 00007fdce5115f88 RCX: 00007fdce4fe51b8 [ 44.844242][ T912] RDX: 00007fdce4f22a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 44.844243][ T912] RBP: 00007ffe86e526f0 R08: 0000000000000000 R09: 0000000000000000 [ 44.844243][ T912] R10: 00007ffe86e52530 R11: 0000000000000246 R12: 0000000000000001 [ 44.844244][ T912] R13: 0000000000000000 R14: 00007fdce5114680 R15: 00007fdce5115fa0 | [ 49.323991][ T1050] softirqs last disabled at (22202): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 49.323994][ T1050] Preemption disabled at: | [ 49.323994][ T1050] vprintk_emit (kernel/printk/printk.c:2471) | [ 49.324003][ T1050] Tainted: [W]=WARN [ 49.324004][ T1050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.324006][ T1050] Call Trace: [ 49.324007][ T1050] [ 49.324009][ T1050] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.324015][ T1050] ? vprintk_emit (kernel/printk/printk.c:2471) [ 49.324016][ T1050] __might_resched.cold (kernel/sched/core.c:9234) [ 49.324020][ T1050] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.324025][ T1050] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 49.324029][ T1050] __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)) [ 49.324031][ T1050] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.324037][ T1050] ? 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) [ 49.324040][ T1050] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.324044][ T1050] put_chars (drivers/char/virtio_console.c:1176) [ 49.324046][ T1050] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.324047][ T1050] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.324051][ T1050] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.324056][ T1050] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.324064][ T1050] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.324066][ T1050] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.324068][ T1050] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.324072][ T1050] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.324076][ T1050] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.324078][ T1050] ? 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)) [ 49.324081][ T1050] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.324083][ T1050] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.324087][ T1050] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.324091][ T1050] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.324093][ T1050] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.324098][ T1050] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.324101][ T1050] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.324103][ T1050] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.324105][ T1050] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 49.324108][ T1050] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.324110][ T1050] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.324113][ T1050] vprintk_emit (kernel/printk/printk.c:2479) [ 49.324116][ T1050] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.324118][ T1050] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.324120][ T1050] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 49.324124][ T1050] _printk (kernel/printk/printk.c:2504) [ 49.324128][ T1050] ? snapshot_read.cold (user.c:?) [ 49.324131][ T1050] ? br_multicast_flood (??:?) [ 49.324135][ T1050] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 49.324136][ T1050] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 49.324137][ T1050] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 49.324141][ T1050] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 49.324146][ T1050] br_init_port (net/bridge/br_stp_if.c:39) [ 49.324148][ T1050] new_nbp (net/bridge/br_if.c:449) [ 49.324152][ T1050] br_add_if (net/bridge/br_if.c:592) [ 49.324154][ T1050] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 49.324158][ T1050] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 49.324163][ T1050] do_set_master (net/core/rtnetlink.c:3071) [ 49.324167][ T1050] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 49.324170][ T1050] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 49.324173][ T1050] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 49.324175][ T1050] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 49.324177][ T1050] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 49.324181][ T1050] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.324183][ T1050] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.324184][ T1050] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.324187][ T1050] ? kasan_save_stack (mm/kasan/common.c:58) [ 49.324189][ T1050] ? kasan_save_stack (mm/kasan/common.c:57) [ 49.324190][ T1050] ? kasan_save_track (mm/kasan/common.c:78) [ 49.324191][ T1050] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 49.324194][ T1050] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.324196][ T1050] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 49.324198][ T1050] ? ___sys_sendmsg (net/socket.c:2758) [ 49.324202][ T1050] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.324204][ T1050] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 49.324207][ T1050] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.324209][ T1050] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.324210][ T1050] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.324211][ T1050] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.324213][ T1050] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 49.324215][ T1050] ? __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) [ 49.324218][ T1050] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 49.324220][ T1050] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 49.324223][ T1050] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 49.324224][ T1050] ? nla_get_range_signed (lib/nlattr.c:270) [ 49.324229][ T1050] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.324231][ T1050] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 49.324236][ T1050] rtnl_newlink (net/core/rtnetlink.c:4215) [ 49.324242][ T1050] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 49.324243][ T1050] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.324248][ T1050] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.324250][ T1050] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 49.324252][ T1050] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 49.324254][ T1050] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.324257][ T1050] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 49.324259][ T1050] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 49.324262][ T1050] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 49.324264][ T1050] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.324268][ T1050] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.324270][ T1050] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 49.324273][ T1050] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 49.324276][ T1050] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 49.324279][ T1050] ? netlink_ack (./include/linux/skbuff.h:2718) [ 49.324286][ T1050] ? 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)) [ 49.324288][ T1050] ? 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)) [ 49.324292][ T1050] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 49.324296][ T1050] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 49.324299][ T1050] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 49.324303][ T1050] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 49.324307][ T1050] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 49.324310][ T1050] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.324312][ T1050] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 49.324317][ T1050] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 49.324320][ T1050] ____sys_sendmsg (net/socket.c:2713) [ 49.324326][ T1050] ? copy_msghdr_from_user (net/socket.c:2650) [ 49.324328][ T1050] ? sock_write_iter (net/socket.c:1269) [ 49.324329][ T1050] ? move_addr_to_kernel (net/socket.c:258) [ 49.324337][ T1050] ___sys_sendmsg (net/socket.c:2767) [ 49.324339][ T1050] ? copy_msghdr_from_user (net/socket.c:2619) [ 49.324355][ T1050] __sys_sendmsg (net/socket.c:2799) [ 49.324357][ T1050] ? __sys_sendmsg_sock (net/socket.c:2780) [ 49.324364][ T1050] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.324367][ T1050] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 49.324370][ T1050] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 49.324373][ T1050] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 49.324375][ T1050] RIP: 0033:0x7fda73a8854e [ 49.324379][ T1050] 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 [ 49.324381][ T1050] RSP: 002b:00007ffebd219230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 49.324384][ T1050] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fda73a8854e [ 49.324385][ T1050] RDX: 0000000000000000 RSI: 00007ffebd2192e0 RDI: 0000000000000005 [ 49.324386][ T1050] RBP: 00007ffebd219240 R08: 0000000000000000 R09: 0000000000000000 [ 49.324387][ T1050] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130f3 [ 49.324388][ T1050] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebd2199b0 | [ 51.888530][ T1069] softirqs last disabled at (1222684): fpu__clear_user_states (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:835 (discriminator 2)) | [ 51.888533][ T1069] Preemption disabled at: | [ 51.888533][ T1069] 0x0 | [ 51.888544][ T1069] Tainted: [W]=WARN [ 51.888545][ T1069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.888546][ T1069] Call Trace: [ 51.888548][ T1069] [ 51.888550][ T1069] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 51.888556][ T1069] __might_resched.cold (kernel/sched/core.c:9234) [ 51.888560][ T1069] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 51.888565][ T1069] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 51.888569][ T1069] __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)) [ 51.888571][ T1069] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.888578][ T1069] ? 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) [ 51.888581][ T1069] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.888585][ T1069] put_chars (drivers/char/virtio_console.c:1176) [ 51.888586][ T1069] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 51.888589][ T1069] ? __send_to_port (drivers/char/virtio_console.c:654) [ 51.888592][ T1069] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.888595][ T1069] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.888597][ T1069] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.888601][ T1069] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 51.888606][ T1069] ? mark_usage (kernel/locking/lockdep.c:4690) [ 51.888607][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.888609][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.888613][ T1069] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 51.888616][ T1069] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 51.888619][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.888621][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.888625][ T1069] console_emit_next_record (kernel/printk/printk.c:3183) [ 51.888629][ T1069] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 51.888631][ T1069] ? 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)) [ 51.888634][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.888636][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.888640][ T1069] console_flush_one_record (kernel/printk/printk.c:3268) [ 51.888644][ T1069] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 51.888646][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.888651][ T1069] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 51.888654][ T1069] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 51.888656][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.888658][ T1069] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 51.888661][ T1069] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 51.888663][ T1069] ? vprintk_emit (kernel/printk/printk.c:2478) [ 51.888666][ T1069] vprintk_emit (kernel/printk/printk.c:2479) [ 51.888669][ T1069] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 51.888670][ T1069] ? 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) [ 51.888673][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.888677][ T1069] _printk (kernel/printk/printk.c:2504) [ 51.888681][ T1069] ? snapshot_read.cold (user.c:?) [ 51.888684][ T1069] ? 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) [ 51.888686][ T1069] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 51.888690][ T1069] ? 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) [ 51.888693][ T1069] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 51.888697][ T1069] ? exit_notify (kernel/exit.c:780) [ 51.888702][ T1069] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 51.888704][ T1069] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 51.888706][ T1069] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 51.888710][ T1069] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 51.888713][ T1069] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 51.888715][ T1069] RIP: 0033:0x7f73712bac49 [ 51.888717][ T1069] Code: Unable to access opcode bytes at 0x7f73712bac1f. Code starting with the faulting instruction =========================================== [ 51.888719][ T1069] RSP: 002b:00007f7370a79e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 51.888721][ T1069] RAX: ffffffffffffffda RBX: 00007f7370a7a6c0 RCX: 00007f73712bac49 [ 51.888722][ T1069] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 51.888723][ T1069] RBP: 00007f7370a79f70 R08: 0000000000000001 R09: 00007f7370a7a6c0 [ 51.888724][ T1069] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f737027a000 Finger prints: fpu__clear_user_states:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars