====================================== | [ 10.883555][ T203] softirqs last disabled at (18865): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.883558][ T203] Preemption disabled at: | [ 10.883559][ T203] 0x0 | [ 10.883573][ T203] Tainted: [W]=WARN [ 10.883574][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.883576][ T203] Call Trace: [ 10.883579][ T203] [ 10.883581][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.883589][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 10.883595][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.883601][ T203] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.883608][ T203] __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)) [ 10.883611][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.883621][ T203] ? 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) [ 10.883625][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.883631][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 10.883635][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.883637][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.883642][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.883651][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.883664][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.883668][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.883671][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.883678][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.883685][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.883687][ T203] ? 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)) [ 10.883693][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.883696][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.883702][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.883709][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.883712][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.883722][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.883726][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.883729][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.883732][ T203] ? 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) [ 10.883738][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.883741][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.883746][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 10.883751][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.883756][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.883763][ T203] _printk (kernel/printk/printk.c:2504) [ 10.883768][ T203] ? snapshot_read.cold (user.c:?) [ 10.883772][ T203] ? 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) [ 10.883777][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.883783][ T203] ? 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) [ 10.883788][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.883793][ T203] ? exit_notify (kernel/exit.c:780) [ 10.883795][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.883800][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.883806][ T203] do_group_exit (kernel/exit.c:1151) [ 10.883811][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.883814][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.883818][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.883823][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.883828][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.883831][ T203] RIP: 0033:0x7fc3614fd1b8 [ 10.883834][ T203] Code: Unable to access opcode bytes at 0x7fc3614fd18e. Code starting with the faulting instruction =========================================== [ 10.883835][ T203] RSP: 002b:00007ffc46225e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.883838][ T203] RAX: ffffffffffffffda RBX: 00007fc36162df88 RCX: 00007fc3614fd1b8 [ 10.883840][ T203] RDX: 00007fc361247fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.883842][ T203] RBP: 00007ffc46225ea0 R08: 0000000000000000 R09: 0000000000000050 [ 10.883843][ T203] R10: 00007ffc46225c60 R11: 0000000000000246 R12: 0000000000000001 [ 10.883845][ T203] R13: 0000000000000000 R14: 00007fc36162c680 R15: 00007fc36162dfa0 | [ 12.612315][ T258] softirqs last disabled at (21380): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 12.612318][ T258] Preemption disabled at: | [ 12.612319][ T258] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.612328][ T258] Tainted: [W]=WARN [ 12.612329][ T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.612331][ T258] Call Trace: [ 12.612332][ T258] [ 12.612334][ T258] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.612340][ T258] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.612342][ T258] __might_resched.cold (kernel/sched/core.c:9234) [ 12.612346][ T258] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.612350][ T258] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.612355][ T258] __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)) [ 12.612357][ T258] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.612363][ T258] ? 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) [ 12.612366][ T258] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.612370][ T258] put_chars (drivers/char/virtio_console.c:1176) [ 12.612372][ T258] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.612379][ T258] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.612387][ T258] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.612390][ T258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.612395][ T258] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.612399][ T258] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.612401][ T258] ? 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)) [ 12.612404][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.612407][ T258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.612411][ T258] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.612415][ T258] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.612417][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.612423][ T258] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.612425][ T258] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.612427][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.612429][ T258] ? 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) [ 12.612433][ T258] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.612435][ T258] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.612438][ T258] vprintk_emit (kernel/printk/printk.c:2479) [ 12.612441][ T258] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.612443][ T258] ? save_trace (kernel/locking/lockdep.c:589) [ 12.612447][ T258] _printk (kernel/printk/printk.c:2504) [ 12.612451][ T258] ? snapshot_read.cold (user.c:?) [ 12.612455][ T258] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.612457][ T258] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.612461][ T258] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.612464][ T258] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.612466][ T258] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.612469][ T258] ? netdev_notice (net/core/dev.c:13194) [ 12.612471][ T258] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.612475][ T258] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.612477][ T258] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.612481][ T258] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.612483][ T258] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 12.612485][ T258] ? 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)) [ 12.612491][ T258] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 12.612493][ T258] ? __kernel_text_address (kernel/extable.c:79) [ 12.612496][ T258] ? write_profile (profile.c:?) [ 12.612500][ T258] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.612506][ T258] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.612510][ T258] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.612512][ T258] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.612513][ T258] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.612516][ T258] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.612520][ T258] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.612522][ T258] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.612524][ T258] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.612526][ T258] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.612528][ T258] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.612529][ T258] ? kasan_save_track (mm/kasan/common.c:78) [ 12.612530][ T258] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 12.612533][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.612535][ T258] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 12.612538][ T258] ? ___sys_sendmsg (net/socket.c:2758) [ 12.612542][ T258] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.612544][ T258] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.612547][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.612549][ T258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.612550][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.612551][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.612553][ T258] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.612555][ T258] ? __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) [ 12.612558][ T258] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.612560][ T258] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.612564][ T258] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.612565][ T258] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.612570][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.612572][ T258] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.612578][ T258] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.612583][ T258] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.612585][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.612590][ T258] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.612592][ T258] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.612594][ T258] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.612596][ T258] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.612600][ T258] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.612602][ T258] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.612605][ T258] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.612607][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.612611][ T258] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.612613][ T258] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.612617][ T258] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.612620][ T258] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.612623][ T258] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.612630][ T258] ? 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)) [ 12.612632][ T258] ? 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)) [ 12.612637][ T258] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.612641][ T258] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.612644][ T258] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.612648][ T258] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.612652][ T258] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.612656][ T258] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.612658][ T258] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 12.612663][ T258] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 12.612666][ T258] ____sys_sendmsg (net/socket.c:2713) [ 12.612669][ T258] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.612671][ T258] ? sock_write_iter (net/socket.c:1269) [ 12.612673][ T258] ? move_addr_to_kernel (net/socket.c:258) [ 12.612680][ T258] ___sys_sendmsg (net/socket.c:2767) [ 12.612683][ T258] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.612700][ T258] __sys_sendmsg (net/socket.c:2799) [ 12.612703][ T258] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.612709][ T258] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 12.612713][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.612716][ T258] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.612719][ T258] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.612722][ T258] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.612724][ T258] RIP: 0033:0x7f5ac1be054e [ 12.612728][ T258] 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 [ 12.612730][ T258] RSP: 002b:00007ffd59c3adf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.612732][ T258] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5ac1be054e [ 12.612734][ T258] RDX: 0000000000000000 RSI: 00007ffd59c3aea0 RDI: 0000000000000005 [ 12.612734][ T258] RBP: 00007ffd59c3ae00 R08: 0000000000000000 R09: 0000000000000000 [ 12.612735][ T258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915609 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