====================================== | [ 10.157626][ T220] softirqs last disabled at (23421): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.157629][ T220] Preemption disabled at: | [ 10.157629][ T220] 0x0 | [ 10.157639][ T220] Tainted: [W]=WARN [ 10.157640][ T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.157641][ T220] Call Trace: [ 10.157643][ T220] [ 10.157644][ T220] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.157651][ T220] __might_resched.cold (kernel/sched/core.c:9234) [ 10.157655][ T220] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.157659][ T220] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.157663][ T220] __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)) [ 10.157665][ T220] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.157672][ T220] ? 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) [ 10.157675][ T220] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.157679][ T220] put_chars (drivers/char/virtio_console.c:1176) [ 10.157681][ T220] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.157682][ T220] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.157686][ T220] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.157691][ T220] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.157698][ T220] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.157701][ T220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.157703][ T220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.157707][ T220] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.157711][ T220] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.157712][ T220] ? 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)) [ 10.157716][ T220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.157717][ T220] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.157721][ T220] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.157725][ T220] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.157727][ T220] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.157732][ T220] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.157735][ T220] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.157736][ T220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.157738][ T220] ? 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) [ 10.157742][ T220] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.157743][ T220] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.157746][ T220] vprintk_emit (kernel/printk/printk.c:2479) [ 10.157749][ T220] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.157752][ T220] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.157755][ T220] _printk (kernel/printk/printk.c:2504) [ 10.157759][ T220] ? snapshot_read.cold (user.c:?) [ 10.157762][ T220] ? 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) [ 10.157765][ T220] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.157768][ T220] ? 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) [ 10.157771][ T220] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.157775][ T220] ? exit_notify (kernel/exit.c:780) [ 10.157776][ T220] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.157779][ T220] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.157782][ T220] do_group_exit (kernel/exit.c:1151) [ 10.157785][ T220] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.157786][ T220] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.157789][ T220] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.157793][ T220] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.157796][ T220] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.157798][ T220] RIP: 0033:0x7fb42cd141b8 [ 10.157800][ T220] Code: Unable to access opcode bytes at 0x7fb42cd1418e. Code starting with the faulting instruction =========================================== [ 10.157801][ T220] RSP: 002b:00007ffea5627f68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.157803][ T220] RAX: ffffffffffffffda RBX: 00007fb42ce44f88 RCX: 00007fb42cd141b8 [ 10.157805][ T220] RDX: 00007fb42ca5efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.157806][ T220] RBP: 00007ffea5627fc0 R08: 0000000000000000 R09: 0000000000000050 [ 10.157807][ T220] R10: 00007ffea5627d80 R11: 0000000000000246 R12: 0000000000000001 [ 10.157807][ T220] R13: 0000000000000000 R14: 00007fb42ce43680 R15: 00007fb42ce44fa0 | [ 11.234606][ T250] softirqs last disabled at (29048): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.234608][ T250] Preemption disabled at: | [ 11.234609][ T250] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.234619][ T250] Tainted: [W]=WARN [ 11.234620][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.234622][ T250] Call Trace: [ 11.234624][ T250] [ 11.234625][ T250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.234631][ T250] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.234632][ T250] __might_resched.cold (kernel/sched/core.c:9234) [ 11.234637][ T250] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.234641][ T250] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.234645][ T250] __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)) [ 11.234647][ T250] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.234654][ T250] ? 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) [ 11.234657][ T250] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.234660][ T250] put_chars (drivers/char/virtio_console.c:1176) [ 11.234663][ T250] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.234669][ T250] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.234676][ T250] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.234679][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.234683][ T250] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.234687][ T250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.234689][ T250] ? 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)) [ 11.234692][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.234695][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.234699][ T250] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.234703][ T250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.234705][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.234710][ T250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.234713][ T250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.234714][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.234716][ T250] ? 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) [ 11.234719][ T250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.234721][ T250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.234724][ T250] vprintk_emit (kernel/printk/printk.c:2479) [ 11.234727][ T250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.234729][ T250] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 11.234734][ T250] _printk (kernel/printk/printk.c:2504) [ 11.234737][ T250] ? snapshot_read.cold (user.c:?) [ 11.234739][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.234742][ T250] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.234744][ T250] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.234746][ T250] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 11.234750][ T250] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 11.234753][ T250] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.234755][ T250] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.234758][ T250] ? netdev_notice (net/core/dev.c:13194) [ 11.234760][ T250] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.234763][ T250] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.234766][ T250] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.234769][ T250] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.234771][ T250] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.234773][ T250] ? register_netdev (net/core/dev.c:11618) [ 11.234775][ T250] ? 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)) [ 11.234780][ T250] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.234783][ T250] ? __kernel_text_address (kernel/extable.c:79) [ 11.234785][ T250] ? write_profile (profile.c:?) [ 11.234789][ T250] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.234794][ T250] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.234798][ T250] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.234800][ T250] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.234801][ T250] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.234803][ T250] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.234806][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.234808][ T250] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.234810][ T250] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.234812][ T250] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.234814][ T250] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.234815][ T250] ? kasan_save_track (mm/kasan/common.c:78) [ 11.234816][ T250] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.234818][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.234820][ T250] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.234823][ T250] ? ___sys_sendmsg (net/socket.c:2758) [ 11.234827][ T250] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.234829][ T250] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.234831][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.234833][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.234834][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.234835][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.234837][ T250] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.234839][ T250] ? __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) [ 11.234841][ T250] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.234842][ T250] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.234845][ T250] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.234847][ T250] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.234851][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.234853][ T250] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.234858][ T250] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.234863][ T250] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.234865][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.234870][ T250] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.234871][ T250] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.234873][ T250] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.234875][ T250] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.234879][ T250] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.234881][ T250] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.234884][ T250] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.234885][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.234889][ T250] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.234891][ T250] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.234895][ T250] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.234898][ T250] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.234900][ T250] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.234906][ T250] ? 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)) [ 11.234909][ T250] ? 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)) [ 11.234913][ T250] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.234917][ T250] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.234919][ T250] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.234923][ T250] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.234927][ T250] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.234931][ T250] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.234932][ T250] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.234937][ T250] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.234940][ T250] ____sys_sendmsg (net/socket.c:2713) [ 11.234942][ T250] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.234944][ T250] ? sock_write_iter (net/socket.c:1269) [ 11.234946][ T250] ? move_addr_to_kernel (net/socket.c:258) [ 11.234953][ T250] ___sys_sendmsg (net/socket.c:2767) [ 11.234956][ T250] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.234971][ T250] __sys_sendmsg (net/socket.c:2799) [ 11.234974][ T250] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.234980][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.234983][ T250] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.234986][ T250] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.234989][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.234991][ T250] RIP: 0033:0x7fc36543754e [ 11.234994][ T250] 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 [ 11.234996][ T250] RSP: 002b:00007fff66f00d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.234999][ T250] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc36543754e [ 11.235000][ T250] RDX: 0000000000000000 RSI: 00007fff66f00dd0 RDI: 0000000000000005 [ 11.235001][ T250] RBP: 00007fff66f00d30 R08: 0000000000000000 R09: 0000000000000000 [ 11.235002][ T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911e0f 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