====================================== | [ 27.406447][ T549] softirqs last disabled at (40431): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 27.406449][ T549] Preemption disabled at: | [ 27.406450][ T549] 0x0 | [ 27.406460][ T549] Tainted: [W]=WARN [ 27.406461][ T549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.406463][ T549] Call Trace: [ 27.406464][ T549] [ 27.406466][ T549] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.406472][ T549] __might_resched.cold (kernel/sched/core.c:9234) [ 27.406477][ T549] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.406481][ T549] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.406485][ T549] __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)) [ 27.406487][ T549] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.406494][ T549] ? 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) [ 27.406496][ T549] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.406499][ T549] put_chars (drivers/char/virtio_console.c:1176) [ 27.406502][ T549] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.406503][ T549] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.406507][ T549] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.406512][ T549] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.406520][ T549] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.406522][ T549] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.406524][ T549] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.406528][ T549] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.406532][ T549] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.406534][ T549] ? 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)) [ 27.406537][ T549] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.406539][ T549] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.406543][ T549] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.406547][ T549] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.406549][ T549] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.406554][ T549] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.406557][ T549] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.406558][ T549] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.406560][ T549] ? 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) [ 27.406564][ T549] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.406565][ T549] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.406568][ T549] vprintk_emit (kernel/printk/printk.c:2479) [ 27.406571][ T549] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.406572][ T549] ? 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) [ 27.406576][ T549] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.406579][ T549] _printk (kernel/printk/printk.c:2504) [ 27.406583][ T549] ? snapshot_read.cold (user.c:?) [ 27.406585][ T549] ? 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) [ 27.406588][ T549] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.406592][ T549] ? 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) [ 27.406594][ T549] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 27.406598][ T549] ? exit_notify (kernel/exit.c:780) [ 27.406599][ T549] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.406602][ T549] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.406605][ T549] do_group_exit (kernel/exit.c:1151) [ 27.406608][ T549] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 27.406610][ T549] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 27.406612][ T549] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.406616][ T549] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.406619][ T549] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.406621][ T549] RIP: 0033:0x7f2da62351b8 [ 27.406624][ T549] Code: Unable to access opcode bytes at 0x7f2da623518e. Code starting with the faulting instruction =========================================== [ 27.406625][ T549] RSP: 002b:00007fff224626c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.406627][ T549] RAX: ffffffffffffffda RBX: 00007f2da6365f88 RCX: 00007f2da62351b8 [ 27.406629][ T549] RDX: 00007f2da6172a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 27.406630][ T549] RBP: 00007fff22462720 R08: 0000000000000000 R09: 0000000000000000 [ 27.406630][ T549] R10: 00007fff22462560 R11: 0000000000000246 R12: 0000000000000001 [ 27.406631][ T549] R13: 0000000000000000 R14: 00007f2da6364680 R15: 00007f2da6365fa0 | [ 29.344057][ T617] softirqs last disabled at (14272): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 29.344059][ T617] Preemption disabled at: | [ 29.344060][ T617] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.344069][ T617] Tainted: [W]=WARN [ 29.344069][ T617] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.344071][ T617] Call Trace: [ 29.344073][ T617] [ 29.344074][ T617] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.344083][ T617] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.344085][ T617] __might_resched.cold (kernel/sched/core.c:9234) [ 29.344090][ T617] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.344094][ T617] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.344098][ T617] __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)) [ 29.344100][ T617] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.344106][ T617] ? 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) [ 29.344109][ T617] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.344113][ T617] put_chars (drivers/char/virtio_console.c:1176) [ 29.344115][ T617] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.344118][ T617] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 29.344123][ T617] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.344131][ T617] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.344133][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.344143][ T617] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.344147][ T617] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.344151][ T617] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.344153][ T617] ? 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)) [ 29.344156][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.344157][ T617] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.344162][ T617] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.344165][ T617] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.344167][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.344172][ T617] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.344175][ T617] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.344177][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.344179][ T617] ? 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) [ 29.344182][ T617] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.344184][ T617] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.344187][ T617] vprintk_emit (kernel/printk/printk.c:2479) [ 29.344189][ T617] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.344191][ T617] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.344193][ T617] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 29.344197][ T617] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 29.344201][ T617] _printk (kernel/printk/printk.c:2504) [ 29.344204][ T617] ? snapshot_read.cold (user.c:?) [ 29.344207][ T617] ? br_multicast_flood (??:?) [ 29.344210][ T617] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 29.344212][ T617] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 29.344213][ T617] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.344217][ T617] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.344221][ T617] br_init_port (net/bridge/br_stp_if.c:39) [ 29.344223][ T617] new_nbp (net/bridge/br_if.c:449) [ 29.344227][ T617] br_add_if (net/bridge/br_if.c:592) [ 29.344229][ T617] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 29.344233][ T617] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 29.344238][ T617] do_set_master (net/core/rtnetlink.c:3071) [ 29.344242][ T617] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 29.344246][ T617] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 29.344249][ T617] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 29.344250][ T617] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 29.344253][ T617] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 29.344256][ T617] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.344258][ T617] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.344260][ T617] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.344263][ T617] ? kasan_save_stack (mm/kasan/common.c:58) [ 29.344265][ T617] ? kasan_save_stack (mm/kasan/common.c:57) [ 29.344267][ T617] ? kasan_save_track (mm/kasan/common.c:78) [ 29.344268][ T617] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 29.344270][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.344272][ T617] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 29.344275][ T617] ? ___sys_sendmsg (net/socket.c:2758) [ 29.344278][ T617] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.344280][ T617] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 29.344283][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.344284][ T617] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.344286][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.344287][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.344289][ T617] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 29.344291][ T617] ? __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) [ 29.344292][ T617] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 29.344294][ T617] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 29.344297][ T617] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 29.344299][ T617] ? nla_get_range_signed (lib/nlattr.c:270) [ 29.344304][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.344306][ T617] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 29.344311][ T617] rtnl_newlink (net/core/rtnetlink.c:4215) [ 29.344316][ T617] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.344318][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.344322][ T617] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.344324][ T617] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.344326][ T617] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.344328][ T617] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.344332][ T617] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.344334][ T617] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.344337][ T617] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.344338][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.344342][ T617] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.344344][ T617] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.344348][ T617] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.344351][ T617] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.344354][ T617] ? netlink_ack (./include/linux/skbuff.h:2718) [ 29.344360][ T617] ? 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)) [ 29.344362][ T617] ? 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)) [ 29.344366][ T617] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.344370][ T617] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.344372][ T617] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.344377][ T617] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.344380][ T617] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.344384][ T617] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.344386][ T617] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 29.344391][ T617] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 29.344394][ T617] ____sys_sendmsg (net/socket.c:2713) [ 29.344396][ T617] ? copy_msghdr_from_user (net/socket.c:2650) [ 29.344398][ T617] ? sock_write_iter (net/socket.c:1269) [ 29.344400][ T617] ? move_addr_to_kernel (net/socket.c:258) [ 29.344407][ T617] ___sys_sendmsg (net/socket.c:2767) [ 29.344410][ T617] ? copy_msghdr_from_user (net/socket.c:2619) [ 29.344425][ T617] __sys_sendmsg (net/socket.c:2799) [ 29.344428][ T617] ? __sys_sendmsg_sock (net/socket.c:2780) [ 29.344434][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.344437][ T617] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.344440][ T617] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.344443][ T617] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.344445][ T617] RIP: 0033:0x7fc94f65154e [ 29.344449][ T617] 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 [ 29.344450][ T617] RSP: 002b:00007fff489564b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.344453][ T617] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc94f65154e [ 29.344454][ T617] RDX: 0000000000000000 RSI: 00007fff48956560 RDI: 0000000000000005 [ 29.344455][ T617] RBP: 00007fff489564c0 R08: 0000000000000000 R09: 0000000000000000 [ 29.344456][ T617] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9185ef [ 29.344457][ T617] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff48956c30 | [ 31.952658][ T636] softirqs last disabled at (1243678): 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)) | [ 31.952661][ T636] Preemption disabled at: | [ 31.952661][ T636] 0x0 | [ 31.952672][ T636] Tainted: [W]=WARN [ 31.952673][ T636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.952675][ T636] Call Trace: [ 31.952676][ T636] [ 31.952678][ T636] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.952684][ T636] __might_resched.cold (kernel/sched/core.c:9234) [ 31.952689][ T636] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.952693][ T636] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.952697][ T636] __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)) [ 31.952699][ T636] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.952706][ T636] ? 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) [ 31.952709][ T636] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.952712][ T636] put_chars (drivers/char/virtio_console.c:1176) [ 31.952714][ T636] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 31.952717][ T636] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.952719][ T636] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.952723][ T636] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.952725][ T636] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.952730][ T636] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.952734][ T636] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.952736][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.952738][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.952742][ T636] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.952745][ T636] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 31.952748][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.952750][ T636] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.952754][ T636] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.952758][ T636] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.952760][ T636] ? 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)) [ 31.952763][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.952765][ T636] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.952769][ T636] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.952773][ T636] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.952775][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.952781][ T636] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.952783][ T636] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.952785][ T636] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.952787][ T636] ? 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) [ 31.952791][ T636] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.952793][ T636] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.952795][ T636] vprintk_emit (kernel/printk/printk.c:2479) [ 31.952799][ T636] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.952800][ T636] ? 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) [ 31.952803][ T636] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.952807][ T636] _printk (kernel/printk/printk.c:2504) [ 31.952810][ T636] ? snapshot_read.cold (user.c:?) [ 31.952813][ T636] ? 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) [ 31.952816][ T636] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.952820][ T636] ? 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) [ 31.952822][ T636] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 31.952826][ T636] ? exit_notify (kernel/exit.c:780) [ 31.952831][ T636] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 31.952833][ T636] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 31.952836][ T636] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.952840][ T636] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.952843][ T636] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.952845][ T636] RIP: 0033:0x7fefc561bc49 [ 31.952847][ T636] Code: Unable to access opcode bytes at 0x7fefc561bc1f. Code starting with the faulting instruction =========================================== [ 31.952848][ T636] RSP: 002b:00007fefc4ddae60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.952851][ T636] RAX: ffffffffffffffda RBX: 00007fefc4ddb6c0 RCX: 00007fefc561bc49 [ 31.952852][ T636] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 31.952853][ T636] RBP: 00007fefc4ddaf70 R08: 0000000000000001 R09: 00007fefc4ddb6c0 [ 31.952854][ T636] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fefc45db000 [ 31.952855][ T636] R13: 00007ffe00c26290 R14: 0000000000000002 R15: 00007ffe00c26397 | [ 50.394806][ T1058] softirqs last disabled at (17182): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 50.394808][ T1058] Preemption disabled at: | [ 50.394809][ T1058] vprintk_emit (kernel/printk/printk.c:2471) | [ 50.394817][ T1058] Tainted: [W]=WARN [ 50.394818][ T1058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.394820][ T1058] Call Trace: [ 50.394821][ T1058] [ 50.394823][ T1058] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.394828][ T1058] ? vprintk_emit (kernel/printk/printk.c:2471) [ 50.394830][ T1058] __might_resched.cold (kernel/sched/core.c:9234) [ 50.394834][ T1058] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.394838][ T1058] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 50.394843][ T1058] __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)) [ 50.394845][ T1058] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.394851][ T1058] ? 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) [ 50.394853][ T1058] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.394857][ T1058] put_chars (drivers/char/virtio_console.c:1176) [ 50.394860][ T1058] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.394861][ T1058] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.394864][ T1058] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.394870][ T1058] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.394877][ T1058] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.394880][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.394882][ T1058] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.394886][ T1058] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.394890][ T1058] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.394892][ T1058] ? 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)) [ 50.394895][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.394897][ T1058] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.394900][ T1058] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.394905][ T1058] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.394907][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.394912][ T1058] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.394915][ T1058] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.394917][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.394918][ T1058] ? 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) [ 50.394922][ T1058] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.394924][ T1058] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.394926][ T1058] vprintk_emit (kernel/printk/printk.c:2479) [ 50.394930][ T1058] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.394931][ T1058] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.394934][ T1058] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 50.394938][ T1058] _printk (kernel/printk/printk.c:2504) [ 50.394941][ T1058] ? snapshot_read.cold (user.c:?) [ 50.394945][ T1058] ? br_multicast_flood (??:?) [ 50.394948][ T1058] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 50.394949][ T1058] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 50.394951][ T1058] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 50.394955][ T1058] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 50.394959][ T1058] br_init_port (net/bridge/br_stp_if.c:39) [ 50.394962][ T1058] new_nbp (net/bridge/br_if.c:449) [ 50.394965][ T1058] br_add_if (net/bridge/br_if.c:592) [ 50.394968][ T1058] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 50.394972][ T1058] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 50.394977][ T1058] do_set_master (net/core/rtnetlink.c:3071) [ 50.394981][ T1058] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 50.394984][ T1058] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 50.394987][ T1058] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 50.394989][ T1058] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 50.394991][ T1058] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 50.394995][ T1058] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.394997][ T1058] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 50.394998][ T1058] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.395001][ T1058] ? kasan_save_stack (mm/kasan/common.c:58) [ 50.395003][ T1058] ? kasan_save_stack (mm/kasan/common.c:57) [ 50.395004][ T1058] ? kasan_save_track (mm/kasan/common.c:78) [ 50.395005][ T1058] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 50.395008][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.395010][ T1058] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 50.395012][ T1058] ? ___sys_sendmsg (net/socket.c:2758) [ 50.395016][ T1058] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.395018][ T1058] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 50.395021][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.395022][ T1058] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.395024][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.395025][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.395027][ T1058] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 50.395029][ T1058] ? __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) [ 50.395032][ T1058] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 50.395033][ T1058] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 50.395037][ T1058] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 50.395038][ T1058] ? nla_get_range_signed (lib/nlattr.c:270) [ 50.395043][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.395045][ T1058] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 50.395050][ T1058] rtnl_newlink (net/core/rtnetlink.c:4215) [ 50.395056][ T1058] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.395057][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.395062][ T1058] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.395064][ T1058] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.395066][ T1058] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.395068][ T1058] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.395072][ T1058] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.395074][ T1058] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 50.395077][ T1058] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 50.395078][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.395085][ T1058] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.395087][ T1058] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.395090][ T1058] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 50.395093][ T1058] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 50.395096][ T1058] ? netlink_ack (./include/linux/skbuff.h:2718) [ 50.395102][ T1058] ? 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)) [ 50.395104][ T1058] ? 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)) [ 50.395109][ T1058] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 50.395112][ T1058] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 50.395115][ T1058] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.395119][ T1058] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 50.395123][ T1058] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 50.395127][ T1058] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.395128][ T1058] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 50.395134][ T1058] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 50.395136][ T1058] ____sys_sendmsg (net/socket.c:2713) [ 50.395138][ T1058] ? copy_msghdr_from_user (net/socket.c:2650) [ 50.395141][ T1058] ? sock_write_iter (net/socket.c:1269) [ 50.395142][ T1058] ? move_addr_to_kernel (net/socket.c:258) [ 50.395150][ T1058] ___sys_sendmsg (net/socket.c:2767) [ 50.395152][ T1058] ? copy_msghdr_from_user (net/socket.c:2619) [ 50.395168][ T1058] __sys_sendmsg (net/socket.c:2799) [ 50.395171][ T1058] ? __sys_sendmsg_sock (net/socket.c:2780) [ 50.395177][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.395180][ T1058] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 50.395183][ T1058] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 50.395186][ T1058] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 50.395188][ T1058] RIP: 0033:0x7f2249d7a54e [ 50.395191][ T1058] 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 [ 50.395193][ T1058] RSP: 002b:00007fffa033e9a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 50.395196][ T1058] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2249d7a54e [ 50.395197][ T1058] RDX: 0000000000000000 RSI: 00007fffa033ea50 RDI: 0000000000000005 [ 50.395198][ T1058] RBP: 00007fffa033e9b0 R08: 0000000000000000 R09: 0000000000000000 [ 50.395199][ T1058] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918604 [ 50.395200][ T1058] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa033f120 | [ 53.252461][ T1079] softirqs last disabled at (1334156): 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)) | [ 53.252463][ T1079] Preemption disabled at: | [ 53.252464][ T1079] 0x0 | [ 53.252475][ T1079] Tainted: [W]=WARN [ 53.252476][ T1079] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.252477][ T1079] Call Trace: [ 53.252479][ T1079] [ 53.252480][ T1079] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.252487][ T1079] __might_resched.cold (kernel/sched/core.c:9234) [ 53.252491][ T1079] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 53.252495][ T1079] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 53.252499][ T1079] __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)) [ 53.252501][ T1079] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.252508][ T1079] ? 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) [ 53.252510][ T1079] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.252514][ T1079] put_chars (drivers/char/virtio_console.c:1176) [ 53.252516][ T1079] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 53.252518][ T1079] ? __send_to_port (drivers/char/virtio_console.c:654) [ 53.252521][ T1079] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.252524][ T1079] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.252527][ T1079] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.252531][ T1079] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 53.252537][ T1079] ? mark_usage (kernel/locking/lockdep.c:4690) [ 53.252539][ T1079] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.252540][ T1079] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.252544][ T1079] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 53.252547][ T1079] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 53.252550][ T1079] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.252552][ T1079] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.252556][ T1079] console_emit_next_record (kernel/printk/printk.c:3183) [ 53.252560][ T1079] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 53.252561][ T1079] ? 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)) [ 53.252565][ T1079] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.252566][ T1079] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.252570][ T1079] console_flush_one_record (kernel/printk/printk.c:3268) [ 53.252574][ T1079] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 53.252576][ T1079] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.252581][ T1079] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 53.252584][ T1079] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 53.252586][ T1079] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.252588][ T1079] ? 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) [ 53.252591][ T1079] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 53.252593][ T1079] ? vprintk_emit (kernel/printk/printk.c:2478) [ 53.252596][ T1079] vprintk_emit (kernel/printk/printk.c:2479) [ 53.252599][ T1079] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 53.252600][ T1079] ? 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) [ 53.252603][ T1079] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.252607][ T1079] _printk (kernel/printk/printk.c:2504) [ 53.252610][ T1079] ? snapshot_read.cold (user.c:?) [ 53.252613][ T1079] ? 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) [ 53.252616][ T1079] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 53.252619][ T1079] ? 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) [ 53.252622][ T1079] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 53.252626][ T1079] ? exit_notify (kernel/exit.c:780) [ 53.252631][ T1079] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 53.252633][ T1079] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 53.252635][ T1079] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 53.252639][ T1079] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 53.252642][ T1079] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 53.252644][ T1079] RIP: 0033:0x7f572fd3fc49 [ 53.252646][ T1079] Code: Unable to access opcode bytes at 0x7f572fd3fc1f. Code starting with the faulting instruction =========================================== [ 53.252648][ T1079] RSP: 002b:00007f572f4fee60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 53.252650][ T1079] RAX: ffffffffffffffda RBX: 00007f572f4ff6c0 RCX: 00007f572fd3fc49 [ 53.252651][ T1079] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 53.252652][ T1079] RBP: 00007f572f4fef70 R08: 0000000000000001 R09: 00007f572f4ff6c0 [ 53.252653][ T1079] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f572ecff000 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