====================================== | [ 9.996072][ T221] softirqs last disabled at (26327): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.996075][ T221] Preemption disabled at: | [ 9.996076][ T221] 0x0 | [ 9.996085][ T221] Tainted: [W]=WARN [ 9.996086][ T221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.996088][ T221] Call Trace: [ 9.996089][ T221] [ 9.996091][ T221] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.996097][ T221] __might_resched.cold (kernel/sched/core.c:9234) [ 9.996101][ T221] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.996105][ T221] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.996110][ T221] __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)) [ 9.996112][ T221] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.996119][ T221] ? 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) [ 9.996122][ T221] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.996125][ T221] put_chars (drivers/char/virtio_console.c:1176) [ 9.996128][ T221] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.996129][ T221] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.996132][ T221] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.996137][ T221] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.996145][ T221] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.996148][ T221] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.996149][ T221] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.996153][ T221] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.996157][ T221] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.996159][ T221] ? 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)) [ 9.996162][ T221] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.996164][ T221] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.996168][ T221] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.996172][ T221] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.996174][ T221] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.996179][ T221] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.996182][ T221] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.996183][ T221] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.996185][ T221] ? 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) [ 9.996189][ T221] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.996190][ T221] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.996193][ T221] vprintk_emit (kernel/printk/printk.c:2479) [ 9.996196][ T221] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.996199][ T221] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.996202][ T221] _printk (kernel/printk/printk.c:2504) [ 9.996206][ T221] ? snapshot_read.cold (user.c:?) [ 9.996209][ T221] ? 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) [ 9.996211][ T221] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.996215][ T221] ? 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) [ 9.996218][ T221] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.996221][ T221] ? exit_notify (kernel/exit.c:780) [ 9.996223][ T221] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.996225][ T221] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.996229][ T221] do_group_exit (kernel/exit.c:1151) [ 9.996231][ T221] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.996233][ T221] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.996236][ T221] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.996240][ T221] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.996242][ T221] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.996245][ T221] RIP: 0033:0x7f7583be51b8 [ 9.996247][ T221] Code: Unable to access opcode bytes at 0x7f7583be518e. Code starting with the faulting instruction =========================================== [ 9.996248][ T221] RSP: 002b:00007fff07f7fce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.996250][ T221] RAX: ffffffffffffffda RBX: 00007f7583d15f88 RCX: 00007f7583be51b8 [ 9.996251][ T221] RDX: 00007f758392ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.996252][ T221] RBP: 00007fff07f7fd40 R08: 0000000000000000 R09: 0000000000000050 [ 9.996253][ T221] R10: 00007fff07f7fb00 R11: 0000000000000246 R12: 0000000000000001 [ 9.996254][ T221] R13: 0000000000000000 R14: 00007f7583d14680 R15: 00007f7583d15fa0 | [ 11.037314][ T266] softirqs last disabled at (17172): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.037316][ T266] Preemption disabled at: | [ 11.037317][ T266] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.037325][ T266] Tainted: [W]=WARN [ 11.037326][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.037328][ T266] Call Trace: [ 11.037329][ T266] [ 11.037331][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.037337][ T266] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.037338][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 11.037343][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.037347][ T266] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.037352][ T266] __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)) [ 11.037354][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.037360][ T266] ? 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) [ 11.037363][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.037367][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 11.037369][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.037375][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.037383][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.037386][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.037390][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.037394][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.037396][ T266] ? 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)) [ 11.037399][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.037402][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.037406][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.037410][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.037412][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037417][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.037420][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.037422][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.037423][ T266] ? 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) [ 11.037427][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.037429][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.037432][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 11.037435][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.037436][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037438][ T266] ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 11.037440][ T266] ? __print_lock_name (kernel/locking/lockdep.c:718) [ 11.037444][ T266] _printk (kernel/printk/printk.c:2504) [ 11.037448][ T266] ? snapshot_read.cold (user.c:?) [ 11.037449][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.037452][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.037454][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.037457][ T266] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 11.037460][ T266] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 11.037463][ T266] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.037465][ T266] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.037468][ T266] ? netdev_notice (net/core/dev.c:13194) [ 11.037471][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.037473][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.037476][ T266] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.037479][ T266] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.037481][ T266] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.037484][ T266] ? 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)) [ 11.037489][ T266] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.037492][ T266] ? __kernel_text_address (kernel/extable.c:79) [ 11.037494][ T266] ? write_profile (profile.c:?) [ 11.037498][ T266] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.037504][ T266] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.037507][ T266] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.037509][ T266] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.037510][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.037512][ T266] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.037515][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.037517][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.037519][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.037522][ T266] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.037523][ T266] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.037525][ T266] ? kasan_save_track (mm/kasan/common.c:78) [ 11.037526][ T266] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.037528][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037530][ T266] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.037533][ T266] ? ___sys_sendmsg (net/socket.c:2758) [ 11.037537][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.037539][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.037541][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.037543][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.037544][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.037545][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.037547][ T266] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.037549][ T266] ? __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) [ 11.037552][ T266] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.037554][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.037557][ T266] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.037558][ T266] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.037563][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.037565][ T266] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.037570][ T266] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.037575][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.037577][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037582][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.037583][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.037585][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.037587][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.037591][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.037593][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.037596][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.037597][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037602][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.037604][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.037607][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.037610][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.037613][ T266] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.037622][ T266] ? 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)) [ 11.037624][ T266] ? 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)) [ 11.037628][ T266] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.037632][ T266] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.037635][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.037639][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.037643][ T266] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.037647][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.037648][ T266] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.037653][ T266] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.037656][ T266] ____sys_sendmsg (net/socket.c:2713) [ 11.037658][ T266] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.037661][ T266] ? sock_write_iter (net/socket.c:1269) [ 11.037662][ T266] ? move_addr_to_kernel (net/socket.c:258) [ 11.037675][ T266] ___sys_sendmsg (net/socket.c:2767) [ 11.037677][ T266] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.037693][ T266] __sys_sendmsg (net/socket.c:2799) [ 11.037696][ T266] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.037702][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.037705][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.037708][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.037710][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.037713][ T266] RIP: 0033:0x7f4099a1d54e [ 11.037716][ T266] 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 [ 11.037718][ T266] RSP: 002b:00007ffe9f040f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.037721][ T266] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4099a1d54e [ 11.037722][ T266] RDX: 0000000000000000 RSI: 00007ffe9f041040 RDI: 0000000000000005 [ 11.037723][ T266] RBP: 00007ffe9f040fa0 R08: 0000000000000000 R09: 0000000000000000 [ 11.037724][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913d53 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