====================================== | [ 9.840057][ T205] softirqs last disabled at (34763): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.840059][ T205] Preemption disabled at: | [ 9.840059][ T205] 0x0 | [ 9.840069][ T205] Tainted: [W]=WARN [ 9.840070][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.840072][ T205] Call Trace: [ 9.840074][ T205] [ 9.840075][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.840081][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 9.840086][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.840090][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.840094][ T205] __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)) [ 9.840096][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.840102][ T205] ? 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) [ 9.840105][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.840109][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 9.840111][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.840112][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.840116][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.840121][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.840128][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.840131][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.840133][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.840137][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.840141][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.840143][ T205] ? 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)) [ 9.840146][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.840147][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.840151][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.840155][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.840157][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.840162][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.840165][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.840167][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.840169][ T205] ? 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) [ 9.840172][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.840174][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.840177][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 9.840180][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.840182][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.840186][ T205] _printk (kernel/printk/printk.c:2504) [ 9.840189][ T205] ? snapshot_read.cold (user.c:?) [ 9.840192][ T205] ? 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) [ 9.840195][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.840198][ T205] ? 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) [ 9.840201][ T205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.840205][ T205] ? exit_notify (kernel/exit.c:780) [ 9.840206][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.840209][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.840212][ T205] do_group_exit (kernel/exit.c:1151) [ 9.840215][ T205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.840217][ T205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.840219][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.840223][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.840226][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.840228][ T205] RIP: 0033:0x7fc0d9a7f1b8 [ 9.840230][ T205] Code: Unable to access opcode bytes at 0x7fc0d9a7f18e. Code starting with the faulting instruction =========================================== [ 9.840231][ T205] RSP: 002b:00007fff6c2f4fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.840233][ T205] RAX: ffffffffffffffda RBX: 00007fc0d9baff88 RCX: 00007fc0d9a7f1b8 [ 9.840235][ T205] RDX: 00007fc0d97c9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.840235][ T205] RBP: 00007fff6c2f5000 R08: 0000000000000000 R09: 0000000000008010 [ 9.840236][ T205] R10: 00007fff6c2f4dc0 R11: 0000000000000246 R12: 0000000000000001 [ 9.840237][ T205] R13: 0000000000000000 R14: 00007fc0d9bae680 R15: 00007fc0d9baffa0 | [ 36.767542][ T1379] softirqs last disabled at (20338): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 36.767545][ T1379] Preemption disabled at: | [ 36.767545][ T1379] vprintk_emit (kernel/printk/printk.c:2471) | [ 36.767554][ T1379] Tainted: [W]=WARN [ 36.767555][ T1379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.767557][ T1379] Call Trace: [ 36.767558][ T1379] [ 36.767560][ T1379] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.767566][ T1379] ? vprintk_emit (kernel/printk/printk.c:2471) [ 36.767567][ T1379] __might_resched.cold (kernel/sched/core.c:9234) [ 36.767572][ T1379] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.767576][ T1379] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.767581][ T1379] __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)) [ 36.767583][ T1379] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.767589][ T1379] ? 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) [ 36.767592][ T1379] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.767596][ T1379] put_chars (drivers/char/virtio_console.c:1176) [ 36.767598][ T1379] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.767600][ T1379] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 36.767606][ T1379] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.767614][ T1379] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.767616][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.767619][ T1379] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.767623][ T1379] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.767627][ T1379] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.767628][ T1379] ? 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)) [ 36.767632][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.767633][ T1379] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.767637][ T1379] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.767641][ T1379] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.767643][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.767648][ T1379] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.767651][ T1379] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.767653][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.767654][ T1379] ? 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) [ 36.767658][ T1379] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.767660][ T1379] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.767662][ T1379] vprintk_emit (kernel/printk/printk.c:2479) [ 36.767665][ T1379] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.767667][ T1379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.767669][ T1379] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.767673][ T1379] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.767676][ T1379] _printk (kernel/printk/printk.c:2504) [ 36.767680][ T1379] ? snapshot_read.cold (user.c:?) [ 36.767683][ T1379] ? br_multicast_flood (??:?) [ 36.767687][ T1379] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 36.767688][ T1379] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.767689][ T1379] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.767693][ T1379] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.767698][ T1379] br_init_port (net/bridge/br_stp_if.c:39) [ 36.767700][ T1379] new_nbp (net/bridge/br_if.c:449) [ 36.767704][ T1379] br_add_if (net/bridge/br_if.c:592) [ 36.767707][ T1379] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 36.767710][ T1379] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.767716][ T1379] do_set_master (net/core/rtnetlink.c:3071) [ 36.767719][ T1379] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 36.767723][ T1379] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 36.767726][ T1379] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 36.767728][ T1379] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 36.767730][ T1379] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 36.767736][ T1379] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.767742][ T1379] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.767744][ T1379] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.767746][ T1379] ? kasan_save_stack (mm/kasan/common.c:58) [ 36.767748][ T1379] ? kasan_save_stack (mm/kasan/common.c:57) [ 36.767750][ T1379] ? kasan_save_track (mm/kasan/common.c:78) [ 36.767751][ T1379] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 36.767753][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.767755][ T1379] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 36.767758][ T1379] ? ___sys_sendmsg (net/socket.c:2758) [ 36.767761][ T1379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.767763][ T1379] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.767766][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.767767][ T1379] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.767769][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.767770][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.767772][ T1379] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 36.767774][ T1379] ? __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) [ 36.767775][ T1379] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 36.767777][ T1379] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.767780][ T1379] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 36.767781][ T1379] ? nla_get_range_signed (lib/nlattr.c:270) [ 36.767786][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.767788][ T1379] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 36.767793][ T1379] rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.767799][ T1379] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.767800][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.767805][ T1379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.767807][ T1379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.767809][ T1379] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.767810][ T1379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.767814][ T1379] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.767816][ T1379] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.767819][ T1379] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.767820][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.767825][ T1379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.767826][ T1379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.767830][ T1379] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.767833][ T1379] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.767835][ T1379] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.767842][ T1379] ? 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)) [ 36.767844][ T1379] ? 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)) [ 36.767848][ T1379] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.767852][ T1379] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.767854][ T1379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.767858][ T1379] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.767862][ T1379] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.767866][ T1379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.767868][ T1379] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 36.767873][ T1379] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 36.767875][ T1379] ____sys_sendmsg (net/socket.c:2713) [ 36.767878][ T1379] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.767880][ T1379] ? sock_write_iter (net/socket.c:1269) [ 36.767881][ T1379] ? move_addr_to_kernel (net/socket.c:258) [ 36.767889][ T1379] ___sys_sendmsg (net/socket.c:2767) [ 36.767891][ T1379] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.767906][ T1379] __sys_sendmsg (net/socket.c:2799) [ 36.767909][ T1379] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.767915][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.767918][ T1379] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.767921][ T1379] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.767924][ T1379] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.767927][ T1379] RIP: 0033:0x7f84a022e54e [ 36.767930][ T1379] 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 [ 36.767932][ T1379] RSP: 002b:00007fffdb10c7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.767935][ T1379] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f84a022e54e [ 36.767936][ T1379] RDX: 0000000000000000 RSI: 00007fffdb10c860 RDI: 0000000000000005 [ 36.767937][ T1379] RBP: 00007fffdb10c7c0 R08: 0000000000000000 R09: 0000000000000000 [ 36.767938][ T1379] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3d7 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars