====================================== | [ 13.039999][ T221] softirqs last disabled at (22127): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.040003][ T221] Preemption disabled at: | [ 13.040004][ T221] 0x0 | [ 13.040021][ T221] Tainted: [W]=WARN [ 13.040023][ T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.040025][ T221] Call Trace: [ 13.040027][ T221] [ 13.040029][ T221] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.040038][ T221] __might_resched.cold (kernel/sched/core.c:9234) [ 13.040044][ T221] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.040050][ T221] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.040057][ T221] __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)) [ 13.040060][ T221] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.040070][ T221] ? 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) [ 13.040074][ T221] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.040079][ T221] put_chars (drivers/char/virtio_console.c:1176) [ 13.040083][ T221] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.040086][ T221] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.040091][ T221] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.040101][ T221] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.040113][ T221] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.040117][ T221] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.040120][ T221] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.040127][ T221] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.040134][ T221] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.040137][ T221] ? 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)) [ 13.040142][ T221] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.040145][ T221] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.040152][ T221] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.040159][ T221] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.040162][ T221] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.040174][ T221] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.040178][ T221] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.040181][ T221] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.040184][ T221] ? 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) [ 13.040190][ T221] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.040193][ T221] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.040198][ T221] vprintk_emit (kernel/printk/printk.c:2479) [ 13.040204][ T221] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.040209][ T221] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.040216][ T221] _printk (kernel/printk/printk.c:2504) [ 13.040221][ T221] ? snapshot_read.cold (user.c:?) [ 13.040226][ T221] ? 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) [ 13.040230][ T221] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.040237][ T221] ? 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) [ 13.040241][ T221] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.040247][ T221] ? exit_notify (kernel/exit.c:780) [ 13.040249][ T221] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.040254][ T221] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.040260][ T221] do_group_exit (kernel/exit.c:1151) [ 13.040265][ T221] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.040268][ T221] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.040272][ T221] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.040277][ T221] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.040282][ T221] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.040285][ T221] RIP: 0033:0x7f75f7f271b8 [ 13.040289][ T221] Code: Unable to access opcode bytes at 0x7f75f7f2718e. Code starting with the faulting instruction =========================================== [ 13.040290][ T221] RSP: 002b:00007ffef30eadd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.040293][ T221] RAX: ffffffffffffffda RBX: 00007f75f8057f88 RCX: 00007f75f7f271b8 [ 13.040295][ T221] RDX: 00007f75f7c71fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.040297][ T221] RBP: 00007ffef30eae30 R08: 0000000000000000 R09: 0000000000000050 [ 13.040298][ T221] R10: 00007ffef30eabf0 R11: 0000000000000246 R12: 0000000000000001 [ 13.040300][ T221] R13: 0000000000000000 R14: 00007f75f8056680 R15: 00007f75f8057fa0 | [ 14.344891][ T267] softirqs last disabled at (16274): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 14.344895][ T267] Preemption disabled at: | [ 14.344896][ T267] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.344907][ T267] Tainted: [W]=WARN [ 14.344909][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.344911][ T267] Call Trace: [ 14.344913][ T267] [ 14.344916][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.344924][ T267] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.344926][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 14.344933][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.344939][ T267] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.344946][ T267] __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)) [ 14.344950][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.344960][ T267] ? 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) [ 14.344964][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.344970][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 14.344974][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.344986][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.344999][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.345005][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.345012][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.345025][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.345028][ T267] ? 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)) [ 14.345034][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.345038][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.345045][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.345053][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.345056][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.345066][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.345071][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.345074][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.345077][ T267] ? 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) [ 14.345084][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.345087][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.345092][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 14.345098][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.345101][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.345104][ T267] ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 14.345107][ T267] ? __print_lock_name (kernel/locking/lockdep.c:718) [ 14.345114][ T267] _printk (kernel/printk/printk.c:2504) [ 14.345120][ T267] ? snapshot_read.cold (user.c:?) [ 14.345122][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.345127][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.345131][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.345135][ T267] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.345141][ T267] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.345146][ T267] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 14.345150][ T267] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.345154][ T267] ? netdev_notice (net/core/dev.c:13194) [ 14.345159][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.345164][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.345171][ T267] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.345178][ T267] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 14.345182][ T267] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 14.345186][ T267] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 14.345195][ T267] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 14.345199][ T267] ? __kernel_text_address (kernel/extable.c:79) [ 14.345203][ T267] ? write_profile (profile.c:?) [ 14.345209][ T267] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 14.345219][ T267] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 14.345225][ T267] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.345229][ T267] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.345231][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.345235][ T267] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.345240][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.345243][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.345247][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.345251][ T267] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.345254][ T267] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.345256][ T267] ? kasan_save_track (mm/kasan/common.c:78) [ 14.345259][ T267] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 14.345263][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.345266][ T267] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 14.345271][ T267] ? ___sys_sendmsg (net/socket.c:2758) [ 14.345277][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.345281][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.345285][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.345288][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.345291][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.345293][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.345297][ T267] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.345300][ T267] ? __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) [ 14.345305][ T267] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.345308][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.345314][ T267] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.345317][ T267] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.345325][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.345329][ T267] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.345339][ T267] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.345350][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.345353][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.345361][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.345365][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.345368][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.345372][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.345379][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.345383][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.345389][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.345391][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.345399][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.345403][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.345409][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.345414][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.345420][ T267] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.345432][ T267] ? 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)) [ 14.345435][ T267] ? 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)) [ 14.345443][ T267] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.345450][ T267] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.345455][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.345463][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.345470][ T267] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.345477][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.345480][ T267] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 14.345489][ T267] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 14.345494][ T267] ____sys_sendmsg (net/socket.c:2713) [ 14.345498][ T267] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.345502][ T267] ? sock_write_iter (net/socket.c:1269) [ 14.345504][ T267] ? move_addr_to_kernel (net/socket.c:258) [ 14.345518][ T267] ___sys_sendmsg (net/socket.c:2767) [ 14.345524][ T267] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.345554][ T267] __sys_sendmsg (net/socket.c:2799) [ 14.345559][ T267] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.345571][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.345577][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.345582][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.345587][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.345590][ T267] RIP: 0033:0x7fa40cdad54e [ 14.345596][ T267] 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 [ 14.345598][ T267] RSP: 002b:00007ffe6bf35b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.345602][ T267] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa40cdad54e [ 14.345604][ T267] RDX: 0000000000000000 RSI: 00007ffe6bf35bb0 RDI: 0000000000000005 [ 14.345606][ T267] RBP: 00007ffe6bf35b10 R08: 0000000000000000 R09: 0000000000000000 [ 14.345607][ T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9101a8 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars