====================================== | [ 11.395233][ T298] softirqs last disabled at (11301): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.395236][ T298] Preemption disabled at: | [ 11.395237][ T298] 0x0 | [ 11.395246][ T298] Tainted: [W]=WARN [ 11.395247][ T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.395249][ T298] Call Trace: [ 11.395250][ T298] [ 11.395251][ T298] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.395258][ T298] __might_resched.cold (kernel/sched/core.c:9234) [ 11.395262][ T298] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.395267][ T298] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.395271][ T298] __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)) [ 11.395273][ T298] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.395280][ T298] ? 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) [ 11.395282][ T298] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.395286][ T298] put_chars (drivers/char/virtio_console.c:1176) [ 11.395288][ T298] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.395289][ T298] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.395293][ T298] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.395298][ T298] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.395306][ T298] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.395308][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.395310][ T298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.395314][ T298] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.395321][ T298] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.395323][ T298] ? 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)) [ 11.395326][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.395327][ T298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.395331][ T298] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.395335][ T298] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.395337][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.395342][ T298] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.395345][ T298] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.395347][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.395349][ T298] ? 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) [ 11.395352][ T298] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.395354][ T298] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.395357][ T298] vprintk_emit (kernel/printk/printk.c:2479) [ 11.395360][ T298] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.395363][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.395367][ T298] _printk (kernel/printk/printk.c:2504) [ 11.395370][ T298] ? snapshot_read.cold (user.c:?) [ 11.395373][ T298] ? 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) [ 11.395375][ T298] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.395379][ T298] ? 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) [ 11.395382][ T298] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.395386][ T298] ? exit_notify (kernel/exit.c:780) [ 11.395387][ T298] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.395390][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.395393][ T298] do_group_exit (kernel/exit.c:1151) [ 11.395396][ T298] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.395398][ T298] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.395400][ T298] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.395404][ T298] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.395407][ T298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.395408][ T298] RIP: 0033:0x7f05dfa4c1b8 [ 11.395410][ T298] Code: Unable to access opcode bytes at 0x7f05dfa4c18e. Code starting with the faulting instruction =========================================== [ 11.395412][ T298] RSP: 002b:00007fff77a86af8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.395414][ T298] RAX: ffffffffffffffda RBX: 00007f05dfb7cf88 RCX: 00007f05dfa4c1b8 [ 11.395415][ T298] RDX: 00007f05df98ae88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.395416][ T298] RBP: 00007fff77a86b50 R08: 0000000000000000 R09: 0000000000001010 [ 11.395417][ T298] R10: 00007fff77a86990 R11: 0000000000000246 R12: 0000000000000002 [ 11.395418][ T298] R13: 0000000000000000 R14: 00007f05dfb7b680 R15: 00007f05dfb7cfa0 | [ 34.082676][ T1381] softirqs last disabled at (15318): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 34.082678][ T1381] Preemption disabled at: | [ 34.082679][ T1381] vprintk_emit (kernel/printk/printk.c:2471) | [ 34.082687][ T1381] Tainted: [W]=WARN [ 34.082688][ T1381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.082690][ T1381] Call Trace: [ 34.082691][ T1381] [ 34.082693][ T1381] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.082699][ T1381] ? vprintk_emit (kernel/printk/printk.c:2471) [ 34.082701][ T1381] __might_resched.cold (kernel/sched/core.c:9234) [ 34.082705][ T1381] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.082709][ T1381] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.082714][ T1381] __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)) [ 34.082716][ T1381] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.082722][ T1381] ? 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) [ 34.082724][ T1381] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.082728][ T1381] put_chars (drivers/char/virtio_console.c:1176) [ 34.082730][ T1381] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.082733][ T1381] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 34.082738][ T1381] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.082746][ T1381] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.082748][ T1381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.082751][ T1381] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.082755][ T1381] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.082758][ T1381] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.082760][ T1381] ? 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)) [ 34.082764][ T1381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.082765][ T1381] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.082769][ T1381] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.082773][ T1381] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.082775][ T1381] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.082780][ T1381] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.082783][ T1381] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.082785][ T1381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.082787][ T1381] ? 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) [ 34.082790][ T1381] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.082792][ T1381] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.082795][ T1381] vprintk_emit (kernel/printk/printk.c:2479) [ 34.082797][ T1381] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.082799][ T1381] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.082801][ T1381] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 34.082805][ T1381] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 34.082809][ T1381] _printk (kernel/printk/printk.c:2504) [ 34.082812][ T1381] ? snapshot_read.cold (user.c:?) [ 34.082815][ T1381] ? br_multicast_flood (??:?) [ 34.082818][ T1381] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 34.082820][ T1381] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 34.082821][ T1381] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 34.082825][ T1381] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 34.082830][ T1381] br_init_port (net/bridge/br_stp_if.c:39) [ 34.082832][ T1381] new_nbp (net/bridge/br_if.c:449) [ 34.082836][ T1381] br_add_if (net/bridge/br_if.c:592) [ 34.082838][ T1381] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 34.082841][ T1381] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 34.082847][ T1381] do_set_master (net/core/rtnetlink.c:3071) [ 34.082850][ T1381] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 34.082853][ T1381] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 34.082857][ T1381] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 34.082858][ T1381] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 34.082861][ T1381] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 34.082864][ T1381] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.082866][ T1381] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.082868][ T1381] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.082871][ T1381] ? kasan_save_stack (mm/kasan/common.c:58) [ 34.082873][ T1381] ? kasan_save_stack (mm/kasan/common.c:57) [ 34.082874][ T1381] ? kasan_save_track (mm/kasan/common.c:78) [ 34.082875][ T1381] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 34.082878][ T1381] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.082882][ T1381] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 34.082884][ T1381] ? ___sys_sendmsg (net/socket.c:2758) [ 34.082888][ T1381] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.082890][ T1381] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.082893][ T1381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.082894][ T1381] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.082896][ T1381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.082897][ T1381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.082899][ T1381] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 34.082901][ T1381] ? __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) [ 34.082902][ T1381] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 34.082904][ T1381] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 34.082907][ T1381] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 34.082908][ T1381] ? nla_get_range_signed (lib/nlattr.c:270) [ 34.082913][ T1381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.082915][ T1381] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 34.082920][ T1381] rtnl_newlink (net/core/rtnetlink.c:4215) [ 34.082925][ T1381] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.082927][ T1381] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.082932][ T1381] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.082934][ T1381] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.082936][ T1381] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.082937][ T1381] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.082941][ T1381] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 34.082943][ T1381] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 34.082946][ T1381] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.082947][ T1381] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.082952][ T1381] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.082954][ T1381] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.082957][ T1381] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.082960][ T1381] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 34.082963][ T1381] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.082969][ T1381] ? 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)) [ 34.082971][ T1381] ? 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)) [ 34.082976][ T1381] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.082979][ T1381] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.082982][ T1381] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.082986][ T1381] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.082990][ T1381] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.082994][ T1381] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.082995][ T1381] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 34.083000][ T1381] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 34.083003][ T1381] ____sys_sendmsg (net/socket.c:2713) [ 34.083005][ T1381] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.083008][ T1381] ? sock_write_iter (net/socket.c:1269) [ 34.083009][ T1381] ? move_addr_to_kernel (net/socket.c:258) [ 34.083016][ T1381] ___sys_sendmsg (net/socket.c:2767) [ 34.083019][ T1381] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.083034][ T1381] __sys_sendmsg (net/socket.c:2799) [ 34.083037][ T1381] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.083043][ T1381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.083046][ T1381] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.083049][ T1381] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.083052][ T1381] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.083054][ T1381] RIP: 0033:0x7ff6f6bd654e [ 34.083057][ T1381] 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 [ 34.083059][ T1381] RSP: 002b:00007ffce1a688d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.083062][ T1381] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff6f6bd654e [ 34.083063][ T1381] RDX: 0000000000000000 RSI: 00007ffce1a68980 RDI: 0000000000000005 [ 34.083064][ T1381] RBP: 00007ffce1a688e0 R08: 0000000000000000 R09: 0000000000000000 [ 34.083065][ T1381] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f314 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