====================================== | [ 8.855254][ T169] softirqs last disabled at (34099): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.855257][ T169] Preemption disabled at: | [ 8.855258][ T169] vprintk_emit (kernel/printk/printk.c:2471) | [ 8.855266][ T169] Tainted: [W]=WARN [ 8.855267][ T169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.855269][ T169] Call Trace: [ 8.855270][ T169] [ 8.855272][ T169] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.855277][ T169] ? vprintk_emit (kernel/printk/printk.c:2471) [ 8.855279][ T169] __might_resched.cold (kernel/sched/core.c:9234) [ 8.855283][ T169] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.855287][ T169] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.855291][ T169] __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)) [ 8.855293][ T169] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.855299][ T169] ? 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) [ 8.855302][ T169] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.855305][ T169] put_chars (drivers/char/virtio_console.c:1176) [ 8.855308][ T169] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.855311][ T169] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.855316][ T169] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.855322][ T169] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.855324][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.855328][ T169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.855336][ T169] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.855340][ T169] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.855344][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.855346][ T169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.855349][ T169] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.855353][ T169] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.855355][ T169] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.855359][ T169] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.855362][ T169] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.855364][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.855366][ T169] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.855369][ T169] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.855370][ T169] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.855373][ T169] vprintk_emit (kernel/printk/printk.c:2479) [ 8.855377][ T169] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.855378][ T169] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.855382][ T169] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.855383][ T169] ? fast_dput (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) fs/dcache.c:948 (discriminator 2)) [ 8.855388][ T169] ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole [ 8.855392][ T169] _printk (kernel/printk/printk.c:2504) [ 8.855395][ T169] ? snapshot_read.cold (user.c:?) [ 8.855398][ T169] ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1)) [ 8.855401][ T169] ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole [ 8.855405][ T169] ? configfs_register_subsystem (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 fs/configfs/dir.c:173 fs/configfs/dir.c:171 fs/configfs/dir.c:1929) [ 8.855410][ T169] init_netconsole (drivers/net/netconsole.c:1286) netconsole [ 8.855413][ T169] ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole [ 8.855419][ T169] ? cleanup_netconsole (./include/linux/list.h:99 (discriminator 2) ./include/linux/list.h:169 (discriminator 2) ./include/linux/list.h:206 (discriminator 2) ./include/linux/configfs.h:112 (discriminator 2) drivers/net/netconsole.c:1718 (discriminator 2)) netconsole [ 8.855422][ T169] do_one_initcall (init/main.c:1357) [ 8.855425][ T169] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 8.855430][ T169] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 8.855433][ T169] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 8.855438][ T169] do_init_module (kernel/module/main.c:3117) [ 8.855441][ T169] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 8.855446][ T169] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 8.855449][ T169] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 8.855452][ T169] load_module (kernel/module/main.c:3593) [ 8.855459][ T169] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 8.855462][ T169] ? __ia32_sys_fsconfig (??:?) [ 8.855465][ T169] ? ovl_real_file (fs/overlayfs/file.c:195) [ 8.855469][ T169] ? backing_file_read_iter (fs/backing-file.c:211) [ 8.855473][ T169] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.855476][ T169] init_module_from_file (kernel/module/main.c:3790) [ 8.855480][ T169] ? __do_sys_init_module (kernel/module/main.c:3664) [ 8.855487][ T169] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.855490][ T169] ? 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) [ 8.855493][ T169] idempotent_init_module (kernel/module/main.c:3802) [ 8.855496][ T169] ? init_module_from_file (kernel/module/main.c:3791) [ 8.855502][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.855504][ T169] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 8.855510][ T169] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 8.855511][ T169] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.855516][ T169] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.855517][ T169] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.855520][ T169] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.855522][ T169] RIP: 0033:0x7f4e32cc437d [ 8.855525][ T169] 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 [ 8.855527][ T169] RSP: 002b:00007fffdf210ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 8.855530][ T169] RAX: ffffffffffffffda RBX: 00005556a4b2c700 RCX: 00007f4e32cc437d [ 8.855531][ T169] RDX: 0000000000000000 RSI: 000055567043bffd RDI: 0000000000000005 [ 8.855532][ T169] RBP: 00007fffdf210b50 R08: 0000000000000000 R09: 0000000000000000 [ 8.855533][ T169] R10: 0000000000000000 R11: 0000000000000246 R12: 000055567043bffd [ 8.855533][ T169] R13: 00005556a4b2c810 R14: 0000000000040000 R15: 0000000000000000 | [ 15.106818][ T157] softirqs last disabled at (611130): restore_fpregs_from_user (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/signal.c:277 (discriminator 2)) | [ 15.106820][ T157] Preemption disabled at: | [ 15.106821][ T157] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.106830][ T157] Tainted: [W]=WARN [ 15.106831][ T157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.106833][ T157] Call Trace: [ 15.106835][ T157] [ 15.106836][ T157] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.106841][ T157] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.106843][ T157] __might_resched.cold (kernel/sched/core.c:9234) [ 15.106848][ T157] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.106852][ T157] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.106856][ T157] __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)) [ 15.106859][ T157] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.106864][ T157] ? 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) [ 15.106867][ T157] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.106870][ T157] put_chars (drivers/char/virtio_console.c:1176) [ 15.106873][ T157] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.106874][ T157] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 15.106878][ T157] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.106881][ T157] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.106885][ T157] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.106888][ T157] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.106889][ T157] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.106894][ T157] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.106896][ T157] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.106899][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.106902][ T157] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.106906][ T157] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.106910][ T157] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.106914][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.106916][ T157] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.106920][ T157] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.106924][ T157] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.106926][ T157] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.106931][ T157] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.106934][ T157] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.106935][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.106938][ T157] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.106941][ T157] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.106943][ T157] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.106946][ T157] vprintk_emit (kernel/printk/printk.c:2479) [ 15.106950][ T157] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.106952][ T157] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.106954][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.106955][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.106959][ T157] _printk (kernel/printk/printk.c:2504) [ 15.106963][ T157] ? snapshot_read.cold (user.c:?) [ 15.106966][ T157] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.106970][ T157] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.106974][ T157] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.106978][ T157] unregister_console_locked.cold (kernel/printk/printk.c:4244 (discriminator 7)) [ 15.106983][ T157] ? console_suspend (kernel/printk/printk.c:114 (discriminator 1)) [ 15.106988][ T157] ? console_list_lock (./include/linux/lockdep.h:249 ./include/linux/srcu.h:184 ./include/linux/srcu.h:180 kernel/printk/printk.c:260) [ 15.106990][ T157] unregister_console (kernel/printk/printk.c:4334) [ 15.106992][ T157] enabled_store (drivers/net/netconsole.c:975 drivers/net/netconsole.c:1089) netconsole [ 15.106995][ T157] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 15.106998][ T157] ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole [ 15.107000][ T157] ? down_write_killable_nested (./arch/x86/include/asm/atomic64_64.h:20) [ 15.107002][ T157] ? __kmalloc_cache_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5559) [ 15.107004][ T157] ? configfs_write_iter (./include/linux/slab.h:991 (discriminator 1) fs/configfs/file.c:187 (discriminator 1) fs/configfs/file.c:227 (discriminator 1)) [ 15.107009][ T157] ? netconsole_write_ext (drivers/net/netconsole.c:2504) netconsole [ 15.107011][ T157] configfs_write_iter (fs/configfs/file.c:207 fs/configfs/file.c:229) [ 15.107013][ T157] ? configfs_bin_write_iter (fs/configfs/file.c:287 (discriminator 1)) [ 15.107016][ T157] new_sync_write (fs/read_write.c:595) [ 15.107019][ T157] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.107021][ T157] ? new_sync_read (./include/linux/ioprio.h:41) [ 15.107025][ T157] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.107026][ T157] ? ksys_write (fs/read_write.c:739) [ 15.107033][ T157] vfs_write (fs/read_write.c:687) [ 15.107037][ T157] ksys_write (fs/read_write.c:739) [ 15.107040][ T157] ? __ia32_sys_read (fs/read_write.c:723) [ 15.107043][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.107045][ T157] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.107048][ T157] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.107051][ T157] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.107054][ T157] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.107056][ T157] RIP: 0033:0x7fac7340354e [ 15.107060][ T157] 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 [ 15.107062][ T157] RSP: 002b:00007ffeef60b8a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 15.107065][ T157] RAX: ffffffffffffffda RBX: 00007fac73584580 RCX: 00007fac7340354e [ 15.107066][ T157] RDX: 0000000000000002 RSI: 0000564c41ffb0f0 RDI: 0000000000000001 [ 15.107067][ T157] RBP: 00007ffeef60b8b0 R08: 0000000000000000 R09: 0000000000000000 [ 15.107068][ T157] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars restore_fpregs_from_user:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars