====================================== | [ 10.289725][ T202] softirqs last disabled at (19840): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.289728][ T202] Preemption disabled at: | [ 10.289728][ T202] 0x0 | [ 10.289738][ T202] Tainted: [W]=WARN [ 10.289739][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.289741][ T202] Call Trace: [ 10.289742][ T202] [ 10.289744][ T202] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.289750][ T202] __might_resched.cold (kernel/sched/core.c:9234) [ 10.289755][ T202] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.289759][ T202] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.289763][ T202] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.289765][ T202] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.289772][ T202] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.289774][ T202] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.289778][ T202] put_chars (drivers/char/virtio_console.c:1176) [ 10.289780][ T202] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.289782][ T202] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.289785][ T202] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.289790][ T202] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.289798][ T202] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.289800][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.289802][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.289806][ T202] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.289810][ T202] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.289812][ T202] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.289815][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.289817][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.289821][ T202] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.289825][ T202] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.289827][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.289832][ T202] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.289835][ T202] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.289836][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.289838][ T202] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.289842][ T202] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.289843][ T202] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.289846][ T202] vprintk_emit (kernel/printk/printk.c:2479) [ 10.289849][ T202] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.289852][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.289856][ T202] _printk (kernel/printk/printk.c:2504) [ 10.289859][ T202] ? snapshot_read.cold (user.c:?) [ 10.289862][ T202] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.289865][ T202] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.289868][ T202] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.289871][ T202] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.289875][ T202] ? exit_notify (kernel/exit.c:780) [ 10.289876][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.289879][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.289882][ T202] do_group_exit (kernel/exit.c:1151) [ 10.289885][ T202] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.289888][ T202] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.289891][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.289895][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.289898][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.289900][ T202] RIP: 0033:0x7f7f543881b8 [ 10.289902][ T202] Code: Unable to access opcode bytes at 0x7f7f5438818e. Code starting with the faulting instruction =========================================== [ 10.289903][ T202] RSP: 002b:00007ffe23c34388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.289905][ T202] RAX: ffffffffffffffda RBX: 00007f7f544b8f88 RCX: 00007f7f543881b8 [ 10.289907][ T202] RDX: 00007f7f540d2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.289908][ T202] RBP: 00007ffe23c343e0 R08: 0000000000000000 R09: 0000000000000050 [ 10.289908][ T202] R10: 00007ffe23c341a0 R11: 0000000000000246 R12: 0000000000000001 [ 10.289909][ T202] R13: 0000000000000000 R14: 00007f7f544b7680 R15: 00007f7f544b8fa0 | [ 11.820196][ T239] softirqs last disabled at (26622): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.820198][ T239] Preemption disabled at: | [ 11.820199][ T239] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.820208][ T239] Tainted: [W]=WARN [ 11.820209][ T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.820211][ T239] Call Trace: [ 11.820213][ T239] [ 11.820214][ T239] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.820220][ T239] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.820222][ T239] __might_resched.cold (kernel/sched/core.c:9234) [ 11.820226][ T239] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.820230][ T239] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.820235][ T239] __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)) [ 11.820236][ T239] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.820243][ T239] ? 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) [ 11.820246][ T239] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.820250][ T239] put_chars (drivers/char/virtio_console.c:1176) [ 11.820252][ T239] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.820258][ T239] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.820266][ T239] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.820269][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.820273][ T239] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.820277][ T239] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.820278][ T239] ? 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)) [ 11.820282][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.820284][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.820288][ T239] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.820292][ T239] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.820294][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.820299][ T239] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.820302][ T239] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.820304][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.820306][ T239] ? 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) [ 11.820309][ T239] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.820311][ T239] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.820314][ T239] vprintk_emit (kernel/printk/printk.c:2479) [ 11.820316][ T239] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.820319][ T239] ? save_trace (kernel/locking/lockdep.c:589) [ 11.820323][ T239] _printk (kernel/printk/printk.c:2504) [ 11.820326][ T239] ? snapshot_read.cold (user.c:?) [ 11.820330][ T239] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.820332][ T239] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 11.820336][ T239] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 11.820338][ T239] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.820340][ T239] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.820343][ T239] ? netdev_notice (net/core/dev.c:13194) [ 11.820346][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.820349][ T239] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.820351][ T239] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.820354][ T239] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.820357][ T239] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.820358][ T239] ? register_netdev (net/core/dev.c:11618) [ 11.820360][ T239] ? 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)) [ 11.820365][ T239] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.820367][ T239] ? __kernel_text_address (kernel/extable.c:79) [ 11.820370][ T239] ? write_profile (profile.c:?) [ 11.820374][ T239] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.820380][ T239] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.820383][ T239] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.820385][ T239] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.820386][ T239] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.820389][ T239] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.820392][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.820394][ T239] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.820396][ T239] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.820398][ T239] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.820400][ T239] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.820401][ T239] ? kasan_save_track (mm/kasan/common.c:78) [ 11.820402][ T239] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.820404][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.820406][ T239] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.820410][ T239] ? ___sys_sendmsg (net/socket.c:2758) [ 11.820413][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.820415][ T239] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.820418][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.820419][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.820421][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.820422][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.820424][ T239] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.820426][ T239] ? __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) [ 11.820428][ T239] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.820430][ T239] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.820434][ T239] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.820435][ T239] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.820439][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.820442][ T239] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.820447][ T239] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.820452][ T239] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.820454][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.820458][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.820460][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.820462][ T239] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.820464][ T239] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.820467][ T239] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.820469][ T239] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.820472][ T239] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.820474][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.820478][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.820480][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.820483][ T239] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.820486][ T239] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.820489][ T239] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.820495][ T239] ? 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)) [ 11.820497][ T239] ? 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)) [ 11.820502][ T239] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.820506][ T239] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.820508][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.820512][ T239] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.820516][ T239] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.820520][ T239] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.820521][ T239] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.820526][ T239] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.820529][ T239] ____sys_sendmsg (net/socket.c:2713) [ 11.820531][ T239] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.820534][ T239] ? sock_write_iter (net/socket.c:1269) [ 11.820535][ T239] ? move_addr_to_kernel (net/socket.c:258) [ 11.820542][ T239] ___sys_sendmsg (net/socket.c:2767) [ 11.820545][ T239] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.820561][ T239] __sys_sendmsg (net/socket.c:2799) [ 11.820563][ T239] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.820569][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.820572][ T239] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.820575][ T239] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.820578][ T239] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.820580][ T239] RIP: 0033:0x7f735897654e [ 11.820584][ T239] 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 [ 11.820586][ T239] RSP: 002b:00007ffcda7c9b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.820589][ T239] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f735897654e [ 11.820590][ T239] RDX: 0000000000000000 RSI: 00007ffcda7c9c40 RDI: 0000000000000005 [ 11.820591][ T239] RBP: 00007ffcda7c9ba0 R08: 0000000000000000 R09: 0000000000000000 [ 11.820592][ T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910b15 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