====================================== | [ 9.559993][ T204] softirqs last disabled at (24350): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.559996][ T204] Preemption disabled at: | [ 9.559996][ T204] 0x0 | [ 9.560006][ T204] Tainted: [W]=WARN [ 9.560007][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.560008][ T204] Call Trace: [ 9.560010][ T204] [ 9.560011][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.560018][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 9.560022][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.560026][ T204] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.560030][ T204] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.560032][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.560038][ T204] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.560041][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.560045][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 9.560047][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.560049][ T204] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.560052][ T204] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.560057][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.560065][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.560067][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.560069][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.560073][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.560077][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.560079][ T204] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.560082][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.560084][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.560088][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.560092][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.560094][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.560099][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.560101][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.560103][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.560105][ T204] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.560109][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.560110][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.560113][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 9.560116][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.560119][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.560122][ T204] _printk (kernel/printk/printk.c:2504) [ 9.560126][ T204] ? snapshot_read.cold (user.c:?) [ 9.560129][ T204] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.560131][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.560135][ T204] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.560138][ T204] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.560141][ T204] ? exit_notify (kernel/exit.c:780) [ 9.560148][ T204] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.560150][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.560154][ T204] do_group_exit (kernel/exit.c:1151) [ 9.560157][ T204] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.560158][ T204] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.560161][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.560165][ T204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.560167][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.560170][ T204] RIP: 0033:0x7fe25fa1d1b8 [ 9.560172][ T204] Code: Unable to access opcode bytes at 0x7fe25fa1d18e. Code starting with the faulting instruction =========================================== [ 9.560173][ T204] RSP: 002b:00007fff3360b868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.560175][ T204] RAX: ffffffffffffffda RBX: 00007fe25fb4df88 RCX: 00007fe25fa1d1b8 [ 9.560177][ T204] RDX: 00007fe25f767fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.560178][ T204] RBP: 00007fff3360b8c0 R08: 0000000000000000 R09: 0000000000000050 [ 9.560178][ T204] R10: 00007fff3360b680 R11: 0000000000000246 R12: 0000000000000001 [ 9.560179][ T204] R13: 0000000000000000 R14: 00007fe25fb4c680 R15: 00007fe25fb4dfa0 | [ 10.901940][ T256] softirqs last disabled at (24890): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.901942][ T256] Preemption disabled at: | [ 10.901943][ T256] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.901951][ T256] Tainted: [W]=WARN [ 10.901952][ T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.901954][ T256] Call Trace: [ 10.901955][ T256] [ 10.901956][ T256] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.901962][ T256] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.901964][ T256] __might_resched.cold (kernel/sched/core.c:9234) [ 10.901968][ T256] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.901972][ T256] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.901977][ T256] __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)) [ 10.901979][ T256] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.901985][ T256] ? 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) [ 10.901988][ T256] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.901991][ T256] put_chars (drivers/char/virtio_console.c:1176) [ 10.901994][ T256] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.902000][ T256] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.902008][ T256] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.902011][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.902015][ T256] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.902019][ T256] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.902021][ T256] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.902024][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.902026][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.902030][ T256] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.902034][ T256] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.902036][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.902042][ T256] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.902044][ T256] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.902046][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.902048][ T256] ? 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) [ 10.902051][ T256] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.902053][ T256] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.902056][ T256] vprintk_emit (kernel/printk/printk.c:2479) [ 10.902059][ T256] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.902061][ T256] ? save_trace (kernel/locking/lockdep.c:589) [ 10.902065][ T256] _printk (kernel/printk/printk.c:2504) [ 10.902068][ T256] ? snapshot_read.cold (user.c:?) [ 10.902072][ T256] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.902074][ T256] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.902077][ T256] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.902080][ T256] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.902082][ T256] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.902085][ T256] ? netdev_notice (net/core/dev.c:13194) [ 10.902087][ T256] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.902090][ T256] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.902093][ T256] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.902096][ T256] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.902098][ T256] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.902100][ T256] ? 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)) [ 10.902105][ T256] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.902108][ T256] ? __kernel_text_address (kernel/extable.c:79) [ 10.902110][ T256] ? write_profile (profile.c:?) [ 10.902114][ T256] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.902120][ T256] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.902123][ T256] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.902125][ T256] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.902126][ T256] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.902129][ T256] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.902132][ T256] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.902134][ T256] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.902136][ T256] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.902138][ T256] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.902140][ T256] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.902141][ T256] ? kasan_save_track (mm/kasan/common.c:78) [ 10.902142][ T256] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.902145][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.902146][ T256] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.902154][ T256] ? ___sys_sendmsg (net/socket.c:2758) [ 10.902158][ T256] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.902160][ T256] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.902163][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.902164][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.902166][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.902167][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.902169][ T256] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.902171][ T256] ? __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) [ 10.902173][ T256] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.902175][ T256] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.902179][ T256] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.902180][ T256] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.902185][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.902187][ T256] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.902192][ T256] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.902197][ T256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.902199][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.902203][ T256] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.902205][ T256] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.902207][ T256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.902209][ T256] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.902213][ T256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.902215][ T256] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.902218][ T256] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.902219][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.902224][ T256] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.902225][ T256] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.902229][ T256] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.902232][ T256] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.902235][ T256] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.902241][ T256] ? 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)) [ 10.902243][ T256] ? 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)) [ 10.902247][ T256] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.902251][ T256] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.902254][ T256] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.902258][ T256] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.902262][ T256] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.902265][ T256] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.902267][ T256] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.902272][ T256] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.902275][ T256] ____sys_sendmsg (net/socket.c:2713) [ 10.902277][ T256] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.902279][ T256] ? sock_write_iter (net/socket.c:1269) [ 10.902281][ T256] ? move_addr_to_kernel (net/socket.c:258) [ 10.902288][ T256] ___sys_sendmsg (net/socket.c:2767) [ 10.902291][ T256] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.902306][ T256] __sys_sendmsg (net/socket.c:2799) [ 10.902309][ T256] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.902315][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.902318][ T256] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.902321][ T256] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.902324][ T256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.902326][ T256] RIP: 0033:0x7f62bb63054e [ 10.902330][ T256] 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 [ 10.902331][ T256] RSP: 002b:00007ffece1bd980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.902334][ T256] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f62bb63054e [ 10.902335][ T256] RDX: 0000000000000000 RSI: 00007ffece1bda30 RDI: 0000000000000005 [ 10.902336][ T256] RBP: 00007ffece1bd990 R08: 0000000000000000 R09: 0000000000000000 [ 10.902337][ T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bc80 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