====================================== | [ 7.617100][ T193] softirqs last disabled at (0): 0x0 | [ 7.617102][ T193] Preemption disabled at: | [ 7.617102][ T193] vprintk_emit (kernel/printk/printk.c:2471) | [ 7.617113][ T193] Tainted: [W]=WARN [ 7.617114][ T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.617115][ T193] Call Trace: [ 7.617116][ T193] [ 7.617117][ T193] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 7.617123][ T193] ? vprintk_emit (kernel/printk/printk.c:2471) [ 7.617124][ T193] __might_resched.cold (kernel/sched/core.c:9234) [ 7.617127][ T193] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 7.617130][ T193] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 7.617133][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.617135][ T193] __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)) [ 7.617138][ T193] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 7.617141][ T193] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 7.617146][ T193] ? 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) [ 7.617148][ T193] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 7.617150][ T193] put_chars (drivers/char/virtio_console.c:1176) [ 7.617151][ T193] ? __send_to_port (drivers/char/virtio_console.c:654) [ 7.617153][ T193] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 7.617155][ T193] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 7.617160][ T193] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 7.617162][ T193] ? vsnprintf (lib/vsprintf.c:2949 (discriminator 1)) [ 7.617165][ T193] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 7.617166][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.617167][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.617169][ T193] console_emit_next_record (kernel/printk/printk.c:3183) [ 7.617172][ T193] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 7.617174][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.617174][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.617175][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.617176][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.617178][ T193] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 7.617180][ T193] console_flush_one_record (kernel/printk/printk.c:3268) [ 7.617182][ T193] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 7.617185][ T193] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 7.617187][ T193] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 7.617188][ T193] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 7.617190][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.617191][ T193] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 7.617192][ T193] ? 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) [ 7.617194][ T193] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 7.617195][ T193] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 7.617197][ T193] ? vprintk_emit (kernel/printk/printk.c:2478) [ 7.617198][ T193] vprintk_emit (kernel/printk/printk.c:2479) [ 7.617200][ T193] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 7.617202][ T193] ? pg_cleanup (net/core/pktgen.c:632) pktgen [ 7.617205][ T193] _printk (kernel/printk/printk.c:2504) [ 7.617208][ T193] ? snapshot_read.cold (user.c:?) [ 7.617210][ T193] ? 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) [ 7.617212][ T193] pg_init (net/core/pktgen.c:777) pktgen [ 7.617215][ T193] do_one_initcall (init/main.c:1357) [ 7.617217][ T193] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 7.617219][ T193] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 7.617221][ T193] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 7.617225][ T193] do_init_module (kernel/module/main.c:3117) [ 7.617226][ T193] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 7.617228][ T193] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 7.617229][ T193] load_module (kernel/module/main.c:3593) [ 7.617232][ T193] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 7.617235][ T193] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 7.617237][ T193] ? __ia32_sys_fsconfig (??:?) [ 7.617240][ T193] ? backing_file_read_iter (fs/backing-file.c:211) [ 7.617243][ T193] init_module_from_file (kernel/module/main.c:3790) [ 7.617245][ T193] ? __do_sys_init_module (kernel/module/main.c:3664) [ 7.617246][ T193] ? ovl_mmap (fs/overlayfs/file.c:477) [ 7.617249][ T193] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 7.617251][ T193] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 7.617252][ T193] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 7.617254][ T193] ? 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) [ 7.617255][ T193] idempotent_init_module (kernel/module/main.c:3802) [ 7.617257][ T193] ? init_module_from_file (kernel/module/main.c:3791) [ 7.617259][ T193] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 7.617261][ T193] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 7.617264][ T193] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 7.617265][ T193] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 7.617268][ T193] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 7.617270][ T193] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 7.617272][ T193] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 7.617274][ T193] RIP: 0033:0x7fc450ce237d [ 7.617276][ T193] 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 [ 7.617278][ T193] RSP: 002b:00007fffa864d678 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 7.617281][ T193] RAX: ffffffffffffffda RBX: 000055edf6a96700 RCX: 00007fc450ce237d [ 7.617283][ T193] RDX: 0000000000000000 RSI: 000055edb9399ffd RDI: 0000000000000005 [ 7.617283][ T193] RBP: 00007fffa864d710 R08: 0000000000000000 R09: 0000000000000000 [ 7.617284][ T193] R10: 0000000000000000 R11: 0000000000000246 R12: 000055edb9399ffd [ 7.617285][ T193] R13: 000055edf6a96820 R14: 0000000000040000 R15: 0000000000000000 | [ 8.818294][ T208] softirqs last disabled at (0): 0x0 | [ 8.818296][ T208] Preemption disabled at: | [ 8.818297][ T208] vprintk_emit (kernel/printk/printk.c:2471) | [ 8.818307][ T208] Tainted: [W]=WARN [ 8.818308][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.818309][ T208] Call Trace: [ 8.818311][ T208] [ 8.818312][ T208] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.818317][ T208] ? vprintk_emit (kernel/printk/printk.c:2471) [ 8.818319][ T208] __might_resched.cold (kernel/sched/core.c:9234) [ 8.818323][ T208] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.818326][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818328][ 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)) [ 8.818331][ T208] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.818334][ T208] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.818339][ 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) [ 8.818341][ T208] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.818343][ T208] put_chars (drivers/char/virtio_console.c:1176) [ 8.818344][ T208] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 8.818347][ T208] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.818348][ T208] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 8.818351][ T208] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.818356][ T208] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.818357][ 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) [ 8.818359][ T208] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.818361][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818362][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818363][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.818365][ T208] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.818368][ T208] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.818370][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818371][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818372][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818373][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.818375][ T208] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 8.818376][ T208] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.818379][ T208] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.818382][ T208] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.818383][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.818385][ T208] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.818386][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818387][ T208] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.818389][ 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) [ 8.818390][ T208] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 8.818392][ T208] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.818393][ T208] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.818395][ T208] vprintk_emit (kernel/printk/printk.c:2479) [ 8.818396][ T208] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.818398][ T208] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.818401][ T208] _printk (kernel/printk/printk.c:2504) [ 8.818404][ T208] ? snapshot_read.cold (user.c:?) [ 8.818406][ T208] ? inode_set_ctime_current (fs/inode.c:2929) [ 8.818408][ T208] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 8.818410][ T208] ? inode_maybe_inc_iversion (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:2857 fs/libfs.c:2033) [ 8.818413][ T208] ? simple_setattr (fs/libfs.c:927) [ 8.818415][ 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) [ 8.818417][ T208] pktgen_if_write.cold (net/core/pktgen.c:1001 (discriminator 1)) pktgen [ 8.818421][ T208] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 8.818424][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818425][ T208] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.818427][ T208] ? pktgen_thread_worker (net/core/pktgen.c:3767 (discriminator 11)) pktgen [ 8.818429][ T208] ? file_update_time_flags (fs/inode.c:2484) [ 8.818431][ T208] ? fault_dirty_shared_page (mm/memory.c:3858) [ 8.818434][ T208] ? do_pte_missing (mm/memory.c:6092 mm/memory.c:6138 mm/memory.c:4700) [ 8.818435][ T208] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.818437][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818439][ T208] ? do_numa_page.isra.0 (mm/memory.c:6319 (discriminator 1)) [ 8.818440][ T208] ? mksaveddirty_shift (./arch/x86/include/asm/pgtable.h:373) [ 8.818442][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818444][ T208] proc_reg_write (fs/proc/inode.c:330 fs/proc/inode.c:342) [ 8.818447][ T208] ? preempt_count_add (./include/linux/ftrace.h:1177 kernel/sched/core.c:5970 kernel/sched/core.c:5967 kernel/sched/core.c:6000) [ 8.818449][ T208] vfs_write (fs/read_write.c:685) [ 8.818452][ T208] ksys_write (fs/read_write.c:739) [ 8.818454][ T208] ? __ia32_sys_read (fs/read_write.c:723) [ 8.818455][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818456][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.818458][ T208] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.818461][ T208] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.818462][ T208] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.818464][ T208] RIP: 0033:0x7efca90b354e [ 8.818466][ T208] 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 [ 8.818468][ T208] RSP: 002b:00007ffc2999b780 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 8.818471][ T208] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efca90b354e [ 8.818473][ T208] RDX: 0000000000000000 RSI: 000000000040d760 RDI: 0000000000000007 [ 8.818474][ T208] RBP: 00007ffc2999b790 R08: 0000000000000000 R09: 0000000000000000 [ 8.818474][ T208] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc2999bc80 Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print