====================================== | [ 8.908806][ T137] softirqs last disabled at (10967): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.908809][ T137] Preemption disabled at: | [ 8.908809][ T137] 0x0 | [ 8.908820][ T137] Tainted: [W]=WARN [ 8.908821][ T137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.908823][ T137] Call Trace: [ 8.908824][ T137] [ 8.908826][ T137] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.908832][ T137] __might_resched.cold (kernel/sched/core.c:9234) [ 8.908837][ T137] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.908841][ T137] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.908847][ T137] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 8.908849][ T137] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.908856][ T137] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 8.908859][ T137] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.908862][ T137] put_chars (drivers/char/virtio_console.c:1176) [ 8.908866][ T137] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.908867][ T137] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 8.908871][ T137] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.908875][ T137] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.908880][ T137] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.908883][ T137] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.908885][ T137] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.908890][ T137] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.908894][ T137] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.908896][ T137] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.908901][ T137] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.908905][ T137] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.908910][ T137] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.908912][ T137] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.908916][ T137] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.908921][ T137] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.908926][ T137] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.908933][ T137] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.908936][ T137] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.908939][ T137] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.908941][ T137] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.908946][ T137] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.908948][ T137] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.908952][ T137] vprintk_emit (kernel/printk/printk.c:2479) [ 8.908956][ T137] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.908960][ T137] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.908965][ T137] _printk (kernel/printk/printk.c:2504) [ 8.908970][ T137] ? snapshot_read.cold (user.c:?) [ 8.908973][ T137] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 8.908976][ T137] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.908982][ T137] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 8.908985][ T137] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.908990][ T137] ? exit_notify (kernel/exit.c:780) [ 8.908992][ T137] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.908995][ T137] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.908999][ T137] do_group_exit (kernel/exit.c:1151) [ 8.909003][ T137] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.909005][ T137] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.909007][ T137] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.909012][ T137] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.909015][ T137] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.909017][ T137] RIP: 0033:0x7f46beee41b8 [ 8.909020][ T137] Code: Unable to access opcode bytes at 0x7f46beee418e. Code starting with the faulting instruction =========================================== [ 8.909021][ T137] RSP: 002b:00007ffe2a0e8bb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.909023][ T137] RAX: ffffffffffffffda RBX: 00007f46bf014f88 RCX: 00007f46beee41b8 [ 8.909025][ T137] RDX: 00007f46bedf8e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 8.909026][ T137] RBP: 00007ffe2a0e8c10 R08: 00007ffe2a0e8b60 R09: 0000000000001010 [ 8.909027][ T137] R10: 00007ffe2a0e8a50 R11: 0000000000000246 R12: 0000000000000002 [ 8.909028][ T137] R13: 0000000000000000 R14: 00007f46bf013680 R15: 00007f46bf014fa0 | [ 10.159660][ T181] softirqs last disabled at (28482): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.159662][ T181] Preemption disabled at: | [ 10.159663][ T181] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.159672][ T181] Tainted: [W]=WARN [ 10.159673][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.159674][ T181] Call Trace: [ 10.159676][ T181] [ 10.159677][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.159683][ T181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.159685][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 10.159690][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.159694][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.159700][ T181] __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)) [ 10.159703][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.159709][ T181] ? 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) [ 10.159712][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.159716][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 10.159719][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.159723][ T181] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.159728][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.159731][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.159737][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.159740][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.159746][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.159750][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.159755][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.159756][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.159761][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.159765][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.159767][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.159773][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.159776][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.159778][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.159779][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.159784][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.159785][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.159788][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 10.159791][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.159793][ T181] ? write_profile (profile.c:?) [ 10.159796][ T181] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.159803][ T181] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.159808][ T181] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.159812][ T181] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.159818][ T181] dev_printk_emit (drivers/base/core.c:5011) [ 10.159821][ T181] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.159825][ T181] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.159830][ T181] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.159836][ T181] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.159838][ T181] ? netdev_notice (net/core/dev.c:13194) [ 10.159841][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.159844][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.159847][ T181] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.159851][ T181] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.159853][ T181] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.159856][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.159858][ T181] ? mark_lock_irq (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:4092 (discriminator 6) kernel/locking/lockdep.c:4174 (discriminator 6) kernel/locking/lockdep.c:4310 (discriminator 6)) [ 10.159860][ T181] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.159863][ T181] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.159866][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.159869][ T181] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.159874][ T181] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.159877][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.159880][ T181] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.159882][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.159884][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.159886][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.159889][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.159894][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.159899][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.159901][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.159904][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.159906][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.159908][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.159909][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.159911][ T181] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.159914][ T181] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 10.159918][ T181] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.159919][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.159922][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.159926][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.159929][ T181] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.159931][ T181] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.159938][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.159941][ T181] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.159950][ T181] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.159953][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.159955][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.159979][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.159981][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.159984][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.159986][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.159988][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.159993][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.159995][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.159997][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.159999][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.160003][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.160006][ T181] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.160009][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.160011][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.160016][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.160018][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.160021][ T181] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.160025][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.160028][ T181] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.160035][ T181] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.160037][ T181] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.160042][ T181] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.160046][ T181] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.160049][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.160053][ T181] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.160058][ T181] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.160062][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.160066][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.160069][ T181] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.160073][ T181] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.160083][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.160088][ T181] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.160090][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.160094][ T181] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.160095][ T181] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.160098][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.160100][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.160102][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.160105][ T181] RIP: 0033:0x7fa76bcaa54e [ 10.160109][ T181] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 10.160110][ T181] RSP: 002b:00007ffe3fe59e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.160113][ T181] RAX: ffffffffffffffda RBX: 0000559af7c8a2b0 RCX: 00007fa76bcaa54e [ 10.160114][ T181] RDX: 0000000000000030 RSI: 0000559af7df8460 RDI: 0000000000000012 [ 10.160115][ T181] RBP: 00007ffe3fe59e80 R08: 00007ffe3fe59ed0 R09: 0000000000000080 [ 10.160116][ T181] R10: 0000000000000000 R11: 0000000000000202 R12: 0000559af7e07f90 [ 10.160117][ T181] R13: 00007ffe3fe59fb4 R14: 0000000000000000 R15: 0000000000000000 | [ 11.537608][ T220] softirqs last disabled at (23130): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.537610][ T220] Preemption disabled at: | [ 11.537611][ T220] 0x0 | [ 11.537621][ T220] Tainted: [W]=WARN [ 11.537622][ T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.537624][ T220] Call Trace: [ 11.537625][ T220] [ 11.537627][ T220] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.537633][ T220] __might_resched.cold (kernel/sched/core.c:9234) [ 11.537637][ T220] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.537642][ T220] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.537647][ T220] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.537650][ T220] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.537656][ T220] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.537659][ T220] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.537663][ T220] put_chars (drivers/char/virtio_console.c:1176) [ 11.537666][ T220] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.537668][ T220] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 11.537672][ T220] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.537675][ T220] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.537680][ T220] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.537683][ T220] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.537685][ T220] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.537690][ T220] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.537693][ T220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.537695][ T220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.537699][ T220] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.537703][ T220] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.537708][ T220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.537710][ T220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.537714][ T220] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.537719][ T220] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.537721][ T220] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.537726][ T220] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.537729][ T220] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.537731][ T220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.537733][ T220] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.537736][ T220] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.537738][ T220] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.537741][ T220] vprintk_emit (kernel/printk/printk.c:2479) [ 11.537744][ T220] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.537747][ T220] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.537751][ T220] _printk (kernel/printk/printk.c:2504) [ 11.537755][ T220] ? snapshot_read.cold (user.c:?) [ 11.537757][ T220] ? 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) [ 11.537760][ T220] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.537764][ T220] ? 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) [ 11.537767][ T220] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.537771][ T220] ? exit_notify (kernel/exit.c:780) [ 11.537772][ T220] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.537775][ T220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.537779][ T220] do_group_exit (kernel/exit.c:1151) [ 11.537782][ T220] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.537784][ T220] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.537786][ T220] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.537789][ T220] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.537792][ T220] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.537795][ T220] RIP: 0033:0x7f9981fcf1b8 [ 11.537797][ T220] Code: Unable to access opcode bytes at 0x7f9981fcf18e. Code starting with the faulting instruction =========================================== [ 11.537798][ T220] RSP: 002b:00007ffc7e222e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.537801][ T220] RAX: ffffffffffffffda RBX: 00007f99820fff88 RCX: 00007f9981fcf1b8 [ 11.537802][ T220] RDX: 00007f9981d19fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.537803][ T220] RBP: 00007ffc7e222ee0 R08: 0000000000000000 R09: 0000000000000050 [ 11.537804][ T220] R10: 00007ffc7e222ca0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print