====================================== | [ 10.060064][ T200] softirqs last disabled at (21178): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.060067][ T200] Preemption disabled at: | [ 10.060067][ T200] 0x0 | [ 10.060077][ T200] Tainted: [W]=WARN [ 10.060079][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.060080][ T200] Call Trace: [ 10.060082][ T200] [ 10.060084][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.060090][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 10.060095][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.060099][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.060104][ T200] __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)) [ 10.060106][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.060112][ T200] ? 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) [ 10.060115][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.060119][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 10.060121][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.060122][ T200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.060126][ T200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.060131][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.060138][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.060141][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.060143][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.060147][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.060151][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.060153][ T200] ? 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)) [ 10.060156][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.060157][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.060161][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.060166][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.060167][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.060173][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.060176][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.060177][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.060179][ T200] ? 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) [ 10.060183][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.060184][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.060187][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 10.060190][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.060193][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.060197][ T200] _printk (kernel/printk/printk.c:2504) [ 10.060200][ T200] ? snapshot_read.cold (user.c:?) [ 10.060203][ T200] ? 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) [ 10.060206][ T200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.060209][ T200] ? 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) [ 10.060212][ T200] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.060216][ T200] ? exit_notify (kernel/exit.c:780) [ 10.060217][ T200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.060220][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.060223][ T200] do_group_exit (kernel/exit.c:1151) [ 10.060226][ T200] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.060228][ T200] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.060230][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.060234][ T200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.060237][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.060239][ T200] RIP: 0033:0x7f7af55ca1b8 [ 10.060241][ T200] Code: Unable to access opcode bytes at 0x7f7af55ca18e. Code starting with the faulting instruction =========================================== [ 10.060242][ T200] RSP: 002b:00007ffda09c3908 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.060245][ T200] RAX: ffffffffffffffda RBX: 00007f7af56faf88 RCX: 00007f7af55ca1b8 [ 10.060246][ T200] RDX: 00007f7af5314fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.060247][ T200] RBP: 00007ffda09c3960 R08: 0000000000000000 R09: 0000000000000050 [ 10.060248][ T200] R10: 00007ffda09c3720 R11: 0000000000000246 R12: 0000000000000001 [ 10.060248][ T200] R13: 0000000000000000 R14: 00007f7af56f9680 R15: 00007f7af56fafa0 | [ 11.561466][ T236] softirqs last disabled at (31785): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.561469][ T236] Preemption disabled at: | [ 11.561470][ T236] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.561482][ T236] Tainted: [W]=WARN [ 11.561484][ T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.561486][ T236] Call Trace: [ 11.561489][ T236] [ 11.561491][ T236] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.561499][ T236] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.561501][ T236] __might_resched.cold (kernel/sched/core.c:9234) [ 11.561507][ T236] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.561513][ T236] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.561520][ T236] __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)) [ 11.561523][ T236] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.561533][ T236] ? 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) [ 11.561537][ T236] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.561543][ T236] put_chars (drivers/char/virtio_console.c:1176) [ 11.561546][ T236] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.561558][ T236] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.561569][ T236] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.561574][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.561582][ T236] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.561588][ T236] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.561591][ T236] ? 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)) [ 11.561596][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.561600][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.561607][ T236] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.561614][ T236] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.561616][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.561620][ T236] ? asm_fred_entrypoint_user (arch/x86/entry/entry_64_fred.S:40) [ 11.561629][ T236] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.561634][ T236] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.561637][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.561640][ T236] ? 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) [ 11.561646][ T236] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.561649][ T236] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.561654][ T236] vprintk_emit (kernel/printk/printk.c:2479) [ 11.561659][ T236] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.561663][ T236] ? save_trace (kernel/locking/lockdep.c:589) [ 11.561670][ T236] _printk (kernel/printk/printk.c:2504) [ 11.561675][ T236] ? snapshot_read.cold (user.c:?) [ 11.561681][ T236] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.561685][ T236] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 11.561690][ T236] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 11.561694][ T236] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.561698][ T236] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.561702][ T236] ? netdev_notice (net/core/dev.c:13194) [ 11.561706][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.561711][ T236] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.561715][ T236] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.561721][ T236] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.561725][ T236] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.561728][ T236] ? register_netdev (net/core/dev.c:11618) [ 11.561731][ T236] ? 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)) [ 11.561739][ T236] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.561744][ T236] ? __kernel_text_address (kernel/extable.c:79) [ 11.561747][ T236] ? write_profile (profile.c:?) [ 11.561753][ T236] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.561762][ T236] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.561768][ T236] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.561771][ T236] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.561773][ T236] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.561777][ T236] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.561782][ T236] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.561785][ T236] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.561788][ T236] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.561792][ T236] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.561795][ T236] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.561797][ T236] ? kasan_save_track (mm/kasan/common.c:78) [ 11.561799][ T236] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.561803][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.561806][ T236] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.561810][ T236] ? ___sys_sendmsg (net/socket.c:2758) [ 11.561816][ T236] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.561819][ T236] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.561824][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.561827][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.561829][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.561831][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.561834][ T236] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.561838][ T236] ? __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) [ 11.561840][ T236] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.561844][ T236] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.561850][ T236] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.561852][ T236] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.561866][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.561870][ T236] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.561879][ T236] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.561889][ T236] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.561892][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.561900][ T236] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.561903][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.561906][ T236] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.561909][ T236] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.561916][ T236] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.561919][ T236] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.561925][ T236] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.561927][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.561935][ T236] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.561938][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.561944][ T236] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.561948][ T236] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.561953][ T236] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.561964][ T236] ? 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)) [ 11.561967][ T236] ? 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)) [ 11.561975][ T236] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.561982][ T236] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.561986][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.561994][ T236] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.562000][ T236] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.562007][ T236] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.562009][ T236] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.562018][ T236] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.562023][ T236] ____sys_sendmsg (net/socket.c:2713) [ 11.562026][ T236] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.562030][ T236] ? sock_write_iter (net/socket.c:1269) [ 11.562032][ T236] ? move_addr_to_kernel (net/socket.c:258) [ 11.562045][ T236] ___sys_sendmsg (net/socket.c:2767) [ 11.562050][ T236] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.562079][ T236] __sys_sendmsg (net/socket.c:2799) [ 11.562084][ T236] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.562095][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.562101][ T236] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.562104][ T236] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.562108][ T236] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.562111][ T236] RIP: 0033:0x7f3f0961154e [ 11.562117][ T236] 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 [ 11.562119][ T236] RSP: 002b:00007ffc1dd43ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.562123][ T236] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3f0961154e [ 11.562125][ T236] RDX: 0000000000000000 RSI: 00007ffc1dd43f50 RDI: 0000000000000005 [ 11.562126][ T236] RBP: 00007ffc1dd43eb0 R08: 0000000000000000 R09: 0000000000000000 [ 11.562128][ T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e2f4 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars