====================================== | [ 10.011185][ T212] softirqs last disabled at (0): 0x0 | [ 10.011187][ T212] Preemption disabled at: | [ 10.011187][ T212] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.011197][ T212] Tainted: [W]=WARN [ 10.011198][ T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.011200][ T212] Call Trace: [ 10.011202][ T212] [ 10.011203][ T212] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.011208][ T212] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.011209][ T212] __might_resched.cold (kernel/sched/core.c:9234) [ 10.011213][ T212] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.011217][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.011219][ T212] __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)) [ 10.011222][ T212] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.011225][ T212] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.011230][ T212] ? 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) [ 10.011232][ T212] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.011236][ T212] put_chars (drivers/char/virtio_console.c:1176) [ 10.011238][ T212] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 10.011242][ T212] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.011245][ T212] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 10.011249][ T212] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.011254][ T212] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.011256][ T212] ? 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) [ 10.011258][ T212] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.011259][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.011260][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.011261][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.011264][ T212] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.011267][ T212] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.011269][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.011270][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.011271][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.011272][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.011274][ T212] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 10.011275][ T212] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.011278][ T212] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.011281][ T212] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.011283][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.011284][ T212] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.011286][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.011287][ T212] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.011288][ T212] ? 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) [ 10.011290][ T212] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 10.011291][ T212] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.011293][ T212] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.011295][ T212] vprintk_emit (kernel/printk/printk.c:2479) [ 10.011297][ T212] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.011299][ T212] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 10.011301][ T212] _printk (kernel/printk/printk.c:2504) [ 10.011304][ T212] ? snapshot_read.cold (user.c:?) [ 10.011307][ T212] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 10.011310][ T212] gre_init (gre.mod.c:?) gre [ 10.011311][ T212] do_one_initcall (init/main.c:1357) [ 10.011314][ T212] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.011316][ T212] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.011318][ T212] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.011322][ T212] do_init_module (kernel/module/main.c:3117) [ 10.011324][ T212] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.011325][ T212] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.011327][ T212] load_module (kernel/module/main.c:3593) [ 10.011329][ T212] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 10.011333][ T212] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.011335][ T212] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.011339][ T212] init_module_from_file (kernel/module/main.c:3790) [ 10.011341][ T212] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.011342][ T212] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 10.011344][ T212] ? ovl_mmap (fs/overlayfs/file.c:477) [ 10.011348][ T212] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.011350][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.011351][ T212] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.011352][ T212] ? 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) [ 10.011354][ T212] idempotent_init_module (kernel/module/main.c:3802) [ 10.011356][ T212] ? init_module_from_file (kernel/module/main.c:3791) [ 10.011358][ T212] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.011360][ T212] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 10.011363][ T212] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.011364][ T212] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.011367][ T212] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.011371][ T212] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.011373][ T212] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.011375][ T212] RIP: 0033:0x7f627ab5b37d [ 10.011378][ T212] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 10.011379][ T212] RSP: 002b:00007ffcd69f79f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.011383][ T212] RAX: ffffffffffffffda RBX: 000056220bc94a20 RCX: 00007f627ab5b37d [ 10.011385][ T212] RDX: 0000000000000000 RSI: 00005621ddf9affd RDI: 0000000000000000 [ 10.011386][ T212] RBP: 00007ffcd69f7a90 R08: 0000000000000000 R09: 0000000000000000 [ 10.011386][ T212] R10: 0000000000000000 R11: 0000000000000246 R12: 00005621ddf9affd [ 10.011387][ T212] R13: 000056220bc949e0 R14: 0000000000040000 R15: 0000000000000000 | [ 11.205804][ T223] softirqs last disabled at (0): 0x0 | [ 11.205806][ T223] Preemption disabled at: | [ 11.205807][ T223] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.205816][ T223] Tainted: [W]=WARN [ 11.205817][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.205819][ T223] Call Trace: [ 11.205821][ T223] [ 11.205822][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.205828][ T223] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.205829][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 11.205833][ T223] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 11.205836][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.205839][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.205841][ T223] __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)) [ 11.205845][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.205848][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.205853][ T223] ? 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) [ 11.205854][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.205857][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 11.205858][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.205860][ T223] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 11.205862][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.205867][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.205869][ T223] ? vsnprintf (lib/vsprintf.c:2900) [ 11.205873][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.205874][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.205875][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.205877][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.205880][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.205882][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.205883][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.205884][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.205885][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.205887][ T223] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 11.205889][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.205891][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.205894][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.205896][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.205898][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.205899][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.205900][ T223] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.205902][ T223] ? 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) [ 11.205905][ T223] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 11.205907][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.205909][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.205910][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 11.205912][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.205914][ T223] ? netdev_run_todo (net/core/dev.c:11776) [ 11.205917][ T223] ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred [ 11.205920][ T223] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 11.205922][ T223] _printk (kernel/printk/printk.c:2504) [ 11.205924][ T223] ? snapshot_read.cold (user.c:?) [ 11.205926][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.205928][ T223] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 11.205929][ T223] ? __up_write (kernel/locking/rwsem.c:1415) [ 11.205930][ T223] ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1)) [ 11.205931][ T223] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.205934][ T223] ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417) [ 11.205935][ T223] mirred_init_module (net/sched/act_mirred.c:508) act_mirred [ 11.205937][ T223] do_one_initcall (init/main.c:1357) [ 11.205940][ T223] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.205943][ T223] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.205945][ T223] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.205949][ T223] do_init_module (kernel/module/main.c:3117) [ 11.205950][ T223] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.205952][ T223] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.205954][ T223] load_module (kernel/module/main.c:3593) [ 11.205956][ T223] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 11.205960][ T223] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.205962][ T223] ? __ia32_sys_fsconfig (??:?) [ 11.205965][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.205967][ T223] init_module_from_file (kernel/module/main.c:3790) [ 11.205968][ T223] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.205970][ T223] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 11.205972][ T223] ? handle_pte_fault (mm/memory.c:6558) [ 11.205974][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.205975][ T223] ? ovl_mmap (fs/overlayfs/file.c:477) [ 11.205978][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.205980][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.205981][ T223] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.205983][ T223] ? 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) [ 11.205985][ T223] idempotent_init_module (kernel/module/main.c:3802) [ 11.205986][ T223] ? init_module_from_file (kernel/module/main.c:3791) [ 11.205988][ T223] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.205990][ T223] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.205992][ T223] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.205994][ T223] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.205997][ T223] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.206000][ T223] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.206002][ T223] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.206004][ T223] RIP: 0033:0x7fddae1e937d [ 11.206006][ T223] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 11.206008][ T223] RSP: 002b:00007ffd1d391838 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.206012][ T223] RAX: ffffffffffffffda RBX: 0000564fa11cc810 RCX: 00007fddae1e937d [ 11.206013][ T223] RDX: 0000000000000000 RSI: 0000564f703a4ffd RDI: 0000000000000000 [ 11.206014][ T223] RBP: 00007ffd1d3918d0 R08: 0000000000000000 R09: 0000000000000000 [ 11.206015][ T223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564f703a4ffd Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print