====================================== | [ 11.199983][ T208] softirqs last disabled at (41263): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.199986][ T208] Preemption disabled at: | [ 11.199986][ T208] 0x0 | [ 11.199998][ T208] Tainted: [W]=WARN [ 11.199999][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.200001][ T208] Call Trace: [ 11.200002][ T208] [ 11.200004][ T208] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.200011][ T208] __might_resched.cold (kernel/sched/core.c:9234) [ 11.200015][ T208] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.200020][ T208] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.200024][ T208] __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)) [ 11.200026][ T208] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.200033][ T208] ? 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) [ 11.200036][ T208] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.200040][ T208] put_chars (drivers/char/virtio_console.c:1176) [ 11.200042][ T208] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.200044][ T208] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.200047][ T208] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.200053][ T208] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.200061][ T208] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.200063][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.200065][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.200070][ T208] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.200074][ T208] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.200076][ T208] ? 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)) [ 11.200079][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.200081][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.200085][ T208] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.200089][ T208] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.200091][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.200097][ T208] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.200100][ T208] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.200102][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.200103][ T208] ? 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) [ 11.200107][ T208] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.200109][ T208] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.200112][ T208] vprintk_emit (kernel/printk/printk.c:2479) [ 11.200115][ T208] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.200118][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.200122][ T208] _printk (kernel/printk/printk.c:2504) [ 11.200126][ T208] ? snapshot_read.cold (user.c:?) [ 11.200129][ T208] ? 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) [ 11.200131][ T208] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.200136][ T208] ? 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) [ 11.200138][ T208] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.200142][ T208] ? exit_notify (kernel/exit.c:780) [ 11.200143][ T208] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.200146][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.200150][ T208] do_group_exit (kernel/exit.c:1151) [ 11.200153][ T208] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.200155][ T208] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.200157][ T208] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.200161][ T208] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.200164][ T208] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.200167][ T208] RIP: 0033:0x7f3700e101b8 [ 11.200169][ T208] Code: Unable to access opcode bytes at 0x7f3700e1018e. Code starting with the faulting instruction =========================================== [ 11.200170][ T208] RSP: 002b:00007ffeaf40e198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.200173][ T208] RAX: ffffffffffffffda RBX: 00007f3700f40f88 RCX: 00007f3700e101b8 [ 11.200174][ T208] RDX: 00007f3700b5afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.200175][ T208] RBP: 00007ffeaf40e1f0 R08: 0000000000000000 R09: 0000000000008010 [ 11.200176][ T208] R10: 00007ffeaf40dfb0 R11: 0000000000000246 R12: 0000000000000001 [ 11.200177][ T208] R13: 0000000000000000 R14: 00007f3700f3f680 R15: 00007f3700f40fa0 | [ 12.352434][ T239] softirqs last disabled at (30136): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 12.352438][ T239] Preemption disabled at: | [ 12.352439][ T239] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.352451][ T239] Tainted: [W]=WARN [ 12.352452][ T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.352454][ T239] Call Trace: [ 12.352457][ T239] [ 12.352459][ T239] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.352467][ T239] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.352470][ T239] __might_resched.cold (kernel/sched/core.c:9234) [ 12.352476][ T239] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.352482][ T239] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.352489][ T239] __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)) [ 12.352492][ T239] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.352502][ T239] ? 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) [ 12.352506][ T239] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.352512][ T239] put_chars (drivers/char/virtio_console.c:1176) [ 12.352516][ T239] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.352528][ T239] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.352540][ T239] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.352546][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.352554][ T239] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.352566][ T239] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.352568][ T239] ? 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)) [ 12.352574][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.352578][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.352587][ T239] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.352594][ T239] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.352597][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.352607][ T239] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.352611][ T239] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.352614][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.352617][ T239] ? 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) [ 12.352624][ T239] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.352627][ T239] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.352632][ T239] vprintk_emit (kernel/printk/printk.c:2479) [ 12.352637][ T239] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.352640][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.352643][ T239] ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 12.352646][ T239] ? __print_lock_name (kernel/locking/lockdep.c:718) [ 12.352653][ T239] _printk (kernel/printk/printk.c:2504) [ 12.352658][ T239] ? snapshot_read.cold (user.c:?) [ 12.352660][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.352665][ T239] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.352669][ T239] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.352673][ T239] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 12.352678][ T239] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 12.352682][ T239] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.352686][ T239] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.352691][ T239] ? netdev_notice (net/core/dev.c:13194) [ 12.352695][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.352700][ T239] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.352704][ T239] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.352710][ T239] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.352714][ T239] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 12.352718][ T239] ? 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)) [ 12.352726][ T239] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 12.352730][ T239] ? __kernel_text_address (kernel/extable.c:79) [ 12.352734][ T239] ? write_profile (profile.c:?) [ 12.352740][ T239] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.352750][ T239] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.352756][ T239] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.352760][ T239] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.352762][ T239] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.352766][ T239] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.352771][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.352774][ T239] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.352777][ T239] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.352781][ T239] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.352784][ T239] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.352786][ T239] ? kasan_save_track (mm/kasan/common.c:78) [ 12.352788][ T239] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 12.352792][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.352796][ T239] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 12.352800][ T239] ? ___sys_sendmsg (net/socket.c:2758) [ 12.352807][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.352810][ T239] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.352815][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.352818][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.352820][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.352822][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.352825][ T239] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.352829][ T239] ? __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) [ 12.352833][ T239] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.352837][ T239] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.352843][ T239] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.352845][ T239] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.352853][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.352857][ T239] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.352867][ T239] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.352877][ T239] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.352880][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.352889][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.352892][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.352895][ T239] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.352898][ T239] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.352905][ T239] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.352908][ T239] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.352914][ T239] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.352916][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.352924][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.352927][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.352934][ T239] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.352938][ T239] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.352943][ T239] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.352955][ T239] ? 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)) [ 12.352958][ T239] ? 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)) [ 12.352966][ T239] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.352973][ T239] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.352978][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.352985][ T239] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.352993][ T239] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.352999][ T239] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.353002][ T239] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 12.353010][ T239] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 12.353015][ T239] ____sys_sendmsg (net/socket.c:2713) [ 12.353019][ T239] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.353023][ T239] ? sock_write_iter (net/socket.c:1269) [ 12.353025][ T239] ? move_addr_to_kernel (net/socket.c:258) [ 12.353039][ T239] ___sys_sendmsg (net/socket.c:2767) [ 12.353044][ T239] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.353074][ T239] __sys_sendmsg (net/socket.c:2799) [ 12.353079][ T239] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.353090][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.353096][ T239] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.353100][ T239] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.353105][ T239] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.353109][ T239] RIP: 0033:0x7fc7c923b54e [ 12.353114][ T239] 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 [ 12.353116][ T239] RSP: 002b:00007fffe3c95300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.353120][ T239] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc7c923b54e [ 12.353122][ T239] RDX: 0000000000000000 RSI: 00007fffe3c953b0 RDI: 0000000000000005 [ 12.353124][ T239] RBP: 00007fffe3c95310 R08: 0000000000000000 R09: 0000000000000000 [ 12.353125][ T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91066b 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