====================================== | [ 10.577956][ T253] softirqs last disabled at (0): 0x0 | [ 10.577958][ T253] Preemption disabled at: | [ 10.577960][ T253] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.577974][ T253] Tainted: [W]=WARN [ 10.577976][ T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.577978][ T253] Call Trace: [ 10.577980][ T253] [ 10.577982][ T253] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.577989][ T253] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.577991][ T253] __might_resched.cold (kernel/sched/core.c:9234) [ 10.577997][ T253] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.578001][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.578006][ T253] __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)) [ 10.578010][ T253] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.578014][ T253] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.578019][ T253] ? 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) [ 10.578021][ T253] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.578025][ T253] put_chars (drivers/char/virtio_console.c:1176) [ 10.578027][ T253] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 10.578030][ T253] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.578033][ T253] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 10.578037][ T253] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.578042][ T253] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.578044][ T253] ? 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) [ 10.578046][ T253] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.578049][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.578051][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.578054][ T253] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.578057][ T253] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.578061][ T253] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.578064][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.578067][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.578069][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.578072][ T253] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.578075][ T253] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 10.578078][ T253] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.578081][ T253] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.578085][ T253] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.578088][ T253] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.578091][ T253] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.578093][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.578096][ T253] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.578098][ T253] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.578100][ T253] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 10.578104][ T253] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.578106][ T253] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.578109][ T253] vprintk_emit (kernel/printk/printk.c:2479) [ 10.578114][ T253] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.578118][ T253] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 10.578122][ T253] _printk (kernel/printk/printk.c:2504) [ 10.578126][ T253] ? snapshot_read.cold (user.c:?) [ 10.578131][ T253] ? 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) [ 10.578134][ T253] gre_init (gre.mod.c:?) gre [ 10.578137][ T253] do_one_initcall (init/main.c:1357) [ 10.578140][ T253] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.578144][ T253] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.578147][ T253] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.578152][ T253] do_init_module (kernel/module/main.c:3117) [ 10.578156][ T253] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.578159][ T253] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.578162][ T253] load_module (kernel/module/main.c:3593) [ 10.578168][ T253] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.578172][ T253] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.578177][ T253] init_module_from_file (kernel/module/main.c:3790) [ 10.578180][ T253] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.578183][ T253] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 10.578187][ T253] ? ovl_mmap (fs/overlayfs/file.c:477) [ 10.578193][ T253] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.578196][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.578199][ T253] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.578201][ T253] ? 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) [ 10.578204][ T253] idempotent_init_module (kernel/module/main.c:3802) [ 10.578207][ T253] ? init_module_from_file (kernel/module/main.c:3791) [ 10.578212][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.578215][ T253] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.578220][ T253] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.578223][ T253] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.578227][ T253] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.578231][ T253] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.578234][ T253] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.578237][ T253] RIP: 0033:0x7f32f6a6b37d [ 10.578240][ T253] 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 [ 10.578243][ T253] RSP: 002b:00007ffed4a711a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.578248][ T253] RAX: ffffffffffffffda RBX: 00005592cb2b5d30 RCX: 00007f32f6a6b37d [ 10.578250][ T253] RDX: 0000000000000000 RSI: 00005592c3f97ffd RDI: 0000000000000000 [ 10.578252][ T253] RBP: 00007ffed4a71240 R08: 0000000000000000 R09: 0000000000000000 [ 10.578253][ T253] R10: 0000000000000000 R11: 0000000000000246 R12: 00005592c3f97ffd [ 10.578255][ T253] R13: 00005592cb2b5cf0 R14: 0000000000040000 R15: 0000000000000000 | [ 11.868330][ T313] softirqs last disabled at (0): 0x0 | [ 11.868333][ T313] Preemption disabled at: | [ 11.868334][ T313] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.868349][ T313] Tainted: [W]=WARN [ 11.868350][ T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.868352][ T313] Call Trace: [ 11.868354][ T313] [ 11.868356][ T313] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.868363][ T313] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.868365][ T313] __might_resched.cold (kernel/sched/core.c:9234) [ 11.868371][ T313] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.868375][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.868380][ T313] __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)) [ 11.868385][ T313] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.868389][ T313] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.868394][ T313] ? 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) [ 11.868397][ T313] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.868400][ T313] put_chars (drivers/char/virtio_console.c:1176) [ 11.868402][ T313] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 11.868405][ T313] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.868408][ T313] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 11.868412][ T313] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.868417][ T313] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.868419][ T313] ? 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) [ 11.868422][ T313] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.868425][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.868427][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.868430][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.868433][ T313] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.868437][ T313] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.868440][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.868443][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.868445][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.868448][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.868451][ T313] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 11.868454][ T313] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.868457][ T313] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.868462][ T313] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.868464][ T313] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.868467][ T313] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.868469][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.868472][ T313] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.868474][ T313] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.868477][ T313] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 11.868480][ T313] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.868482][ T313] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.868486][ T313] vprintk_emit (kernel/printk/printk.c:2479) [ 11.868490][ T313] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.868499][ T313] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 11.868502][ T313] _printk (kernel/printk/printk.c:2504) [ 11.868507][ T313] ? snapshot_read.cold (user.c:?) [ 11.868511][ T313] ? 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) [ 11.868514][ T313] gact_init_module (net/sched/act_gact.c:180) act_gact [ 11.868518][ T313] do_one_initcall (init/main.c:1357) [ 11.868523][ T313] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.868526][ T313] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.868530][ T313] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.868534][ T313] do_init_module (kernel/module/main.c:3117) [ 11.868538][ T313] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.868542][ T313] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.868545][ T313] load_module (kernel/module/main.c:3593) [ 11.868550][ T313] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.868554][ T313] ? __ia32_sys_fsconfig (??:?) [ 11.868557][ T313] ? ovl_real_file (fs/overlayfs/file.c:195) [ 11.868562][ T313] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.868567][ T313] init_module_from_file (kernel/module/main.c:3790) [ 11.868570][ T313] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.868573][ T313] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 11.868577][ T313] ? ovl_mmap (fs/overlayfs/file.c:477) [ 11.868582][ T313] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.868584][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.868587][ T313] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 11.868589][ T313] ? 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) [ 11.868593][ T313] idempotent_init_module (kernel/module/main.c:3802) [ 11.868596][ T313] ? init_module_from_file (kernel/module/main.c:3791) [ 11.868601][ T313] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.868604][ T313] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.868609][ T313] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.868612][ T313] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.868615][ T313] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.868619][ T313] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.868622][ T313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.868626][ T313] RIP: 0033:0x7f3d39f4c37d [ 11.868629][ T313] 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 [ 11.868631][ T313] RSP: 002b:00007fffeeb2ec58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.868636][ T313] RAX: ffffffffffffffda RBX: 000055971c85d810 RCX: 00007f3d39f4c37d [ 11.868638][ T313] RDX: 0000000000000000 RSI: 000055970315dffd RDI: 0000000000000000 [ 11.868640][ T313] RBP: 00007fffeeb2ecf0 R08: 0000000000000000 R09: 0000000000000000 [ 11.868641][ T313] R10: 0000000000000000 R11: 0000000000000246 R12: 000055970315dffd Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print