====================================== | [ 10.837308][ T277] softirqs last disabled at (30563): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.837311][ T277] Preemption disabled at: | [ 10.837311][ T277] 0x0 | [ 10.837321][ T277] Tainted: [W]=WARN [ 10.837322][ T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.837324][ T277] Call Trace: [ 10.837326][ T277] [ 10.837327][ T277] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.837334][ T277] __might_resched.cold (kernel/sched/core.c:9234) [ 10.837338][ T277] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.837342][ T277] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.837346][ T277] __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)) [ 10.837348][ T277] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.837355][ T277] ? 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) [ 10.837358][ T277] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.837361][ T277] put_chars (drivers/char/virtio_console.c:1176) [ 10.837364][ T277] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.837365][ T277] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.837369][ T277] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.837374][ T277] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.837385][ T277] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.837388][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.837390][ T277] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.837394][ T277] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.837398][ T277] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.837400][ T277] ? 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)) [ 10.837403][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.837405][ T277] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.837409][ T277] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.837413][ T277] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.837415][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.837420][ T277] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.837423][ T277] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.837425][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.837427][ T277] ? 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) [ 10.837430][ T277] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.837432][ T277] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.837435][ T277] vprintk_emit (kernel/printk/printk.c:2479) [ 10.837438][ T277] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.837441][ T277] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.837444][ T277] _printk (kernel/printk/printk.c:2504) [ 10.837448][ T277] ? snapshot_read.cold (user.c:?) [ 10.837451][ T277] ? 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) [ 10.837453][ T277] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.837457][ T277] ? 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) [ 10.837460][ T277] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.837464][ T277] ? exit_notify (kernel/exit.c:780) [ 10.837465][ T277] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.837468][ T277] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.837471][ T277] do_group_exit (kernel/exit.c:1151) [ 10.837474][ T277] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.837476][ T277] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.837480][ T277] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.837484][ T277] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.837487][ T277] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.837489][ T277] RIP: 0033:0x7f41031541b8 [ 10.837491][ T277] Code: Unable to access opcode bytes at 0x7f410315418e. Code starting with the faulting instruction =========================================== [ 10.837492][ T277] RSP: 002b:00007ffe82219178 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.837494][ T277] RAX: ffffffffffffffda RBX: 00007f4103284f88 RCX: 00007f41031541b8 [ 10.837496][ T277] RDX: 00007f4102e9efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.837497][ T277] RBP: 00007ffe822191d0 R08: 0000000000000000 R09: 0000000000000050 [ 10.837497][ T277] R10: 00007ffe82218f90 R11: 0000000000000246 R12: 0000000000000001 [ 10.837498][ T277] R13: 0000000000000000 R14: 00007f4103283680 R15: 00007f4103284fa0 | [ 34.727625][ T1380] softirqs last disabled at (20355): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 34.727628][ T1380] Preemption disabled at: | [ 34.727629][ T1380] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.727637][ T1380] Tainted: [W]=WARN [ 34.727638][ T1380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.727640][ T1380] Call Trace: [ 34.727641][ T1380] [ 34.727643][ T1380] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.727649][ T1380] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.727651][ T1380] __might_resched.cold (kernel/sched/core.c:9234) [ 34.727655][ T1380] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.727659][ T1380] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.727663][ T1380] __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)) [ 34.727665][ T1380] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.727672][ T1380] ? 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) [ 34.727675][ T1380] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.727679][ T1380] put_chars (drivers/char/virtio_console.c:1176) [ 34.727681][ T1380] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.727684][ T1380] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 34.727689][ T1380] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.727697][ T1380] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.727699][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.727702][ T1380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.727706][ T1380] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.727710][ T1380] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.727712][ T1380] ? 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)) [ 34.727715][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.727717][ T1380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.727721][ T1380] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.727725][ T1380] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.727727][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.727732][ T1380] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.727735][ T1380] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.727737][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.727738][ T1380] ? 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) [ 34.727742][ T1380] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.727744][ T1380] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.727747][ T1380] vprintk_emit (kernel/printk/printk.c:2479) [ 34.727750][ T1380] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.727751][ T1380] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.727753][ T1380] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 34.727757][ T1380] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 34.727761][ T1380] _printk (kernel/printk/printk.c:2504) [ 34.727764][ T1380] ? snapshot_read.cold (user.c:?) [ 34.727768][ T1380] ? br_multicast_flood (??:?) [ 34.727771][ T1380] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 34.727772][ T1380] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 34.727774][ T1380] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 34.727778][ T1380] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 34.727782][ T1380] br_init_port (net/bridge/br_stp_if.c:39) [ 34.727784][ T1380] new_nbp (net/bridge/br_if.c:449) [ 34.727788][ T1380] br_add_if (net/bridge/br_if.c:592) [ 34.727791][ T1380] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 34.727794][ T1380] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 34.727800][ T1380] do_set_master (net/core/rtnetlink.c:3071) [ 34.727803][ T1380] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 34.727807][ T1380] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 34.727810][ T1380] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 34.727811][ T1380] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 34.727814][ T1380] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 34.727817][ T1380] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.727819][ T1380] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.727821][ T1380] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.727824][ T1380] ? kasan_save_stack (mm/kasan/common.c:58) [ 34.727826][ T1380] ? kasan_save_stack (mm/kasan/common.c:57) [ 34.727827][ T1380] ? kasan_save_track (mm/kasan/common.c:78) [ 34.727828][ T1380] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 34.727831][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.727833][ T1380] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 34.727836][ T1380] ? ___sys_sendmsg (net/socket.c:2758) [ 34.727840][ T1380] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.727842][ T1380] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.727844][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.727846][ T1380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.727848][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.727849][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.727851][ T1380] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 34.727853][ T1380] ? __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) [ 34.727854][ T1380] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 34.727856][ T1380] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.727860][ T1380] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 34.727861][ T1380] ? nla_get_range_signed (lib/nlattr.c:270) [ 34.727866][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.727868][ T1380] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 34.727873][ T1380] rtnl_newlink (net/core/rtnetlink.c:4215) [ 34.727879][ T1380] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.727881][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.727885][ T1380] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.727887][ T1380] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.727889][ T1380] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.727891][ T1380] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.727895][ T1380] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.727897][ T1380] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 34.727900][ T1380] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.727901][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.727906][ T1380] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.727908][ T1380] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.727911][ T1380] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.727915][ T1380] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.727917][ T1380] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.727924][ T1380] ? 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)) [ 34.727926][ T1380] ? 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)) [ 34.727931][ T1380] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.727935][ T1380] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.727937][ T1380] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.727942][ T1380] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.727946][ T1380] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.727949][ T1380] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.727951][ T1380] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 34.727956][ T1380] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 34.727959][ T1380] ____sys_sendmsg (net/socket.c:2713) [ 34.727962][ T1380] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.727964][ T1380] ? sock_write_iter (net/socket.c:1269) [ 34.727965][ T1380] ? move_addr_to_kernel (net/socket.c:258) [ 34.727973][ T1380] ___sys_sendmsg (net/socket.c:2767) [ 34.727976][ T1380] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.727992][ T1380] __sys_sendmsg (net/socket.c:2799) [ 34.727994][ T1380] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.728001][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.728004][ T1380] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.728007][ T1380] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.728009][ T1380] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.728012][ T1380] RIP: 0033:0x7fbdb0c9f54e [ 34.728015][ T1380] 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 [ 34.728017][ T1380] RSP: 002b:00007fff3145e0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.728020][ T1380] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbdb0c9f54e [ 34.728021][ T1380] RDX: 0000000000000000 RSI: 00007fff3145e170 RDI: 0000000000000005 [ 34.728022][ T1380] RBP: 00007fff3145e0d0 R08: 0000000000000000 R09: 0000000000000000 [ 34.728023][ T1380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9146a3 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars