====================================== | [ 10.531898][ T225] softirqs last disabled at (18647): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.531900][ T225] Preemption disabled at: | [ 10.531901][ T225] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.531910][ T225] Tainted: [W]=WARN [ 10.531911][ T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.531913][ T225] Call Trace: [ 10.531914][ T225] [ 10.531916][ T225] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.531922][ T225] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.531924][ T225] __might_resched.cold (kernel/sched/core.c:9234) [ 10.531929][ T225] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.531933][ T225] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.531938][ T225] __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)) [ 10.531941][ T225] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.531947][ T225] ? 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) [ 10.531949][ T225] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.531953][ T225] put_chars (drivers/char/virtio_console.c:1176) [ 10.531955][ T225] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.531957][ T225] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.531961][ T225] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.531964][ T225] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.531968][ T225] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.531971][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.531976][ T225] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.531979][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.531984][ T225] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.531988][ T225] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.531989][ T225] ? 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)) [ 10.531992][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.531995][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.531999][ T225] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.532003][ T225] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.532005][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.532010][ T225] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.532013][ T225] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.532015][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.532017][ T225] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.532021][ T225] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.532022][ T225] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.532026][ T225] vprintk_emit (kernel/printk/printk.c:2479) [ 10.532030][ T225] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.532036][ T225] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 10.532040][ T225] _printk (kernel/printk/printk.c:2504) [ 10.532044][ T225] ? snapshot_read.cold (user.c:?) [ 10.532050][ T225] ? 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) [ 10.532053][ T225] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 10.532056][ T225] do_one_initcall (init/main.c:1357) [ 10.532059][ T225] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.532063][ T225] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.532067][ T225] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.532072][ T225] do_init_module (kernel/module/main.c:3117) [ 10.532075][ T225] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.532080][ T225] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.532083][ T225] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.532087][ T225] load_module (kernel/module/main.c:3593) [ 10.532094][ T225] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.532098][ T225] ? __ia32_sys_fsconfig (??:?) [ 10.532101][ T225] ? ovl_real_file (fs/overlayfs/file.c:195) [ 10.532105][ T225] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.532108][ T225] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.532112][ T225] init_module_from_file (kernel/module/main.c:3790) [ 10.532115][ T225] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.532124][ T225] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.532127][ T225] ? 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) [ 10.532130][ T225] idempotent_init_module (kernel/module/main.c:3802) [ 10.532134][ T225] ? init_module_from_file (kernel/module/main.c:3791) [ 10.532140][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.532143][ T225] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.532149][ T225] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.532151][ T225] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.532154][ T225] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.532156][ T225] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.532159][ T225] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.532161][ T225] RIP: 0033:0x7f55a3d1237d [ 10.532165][ T225] 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 [ 10.532167][ T225] RSP: 002b:00007ffec94fd7c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.532170][ T225] RAX: ffffffffffffffda RBX: 00005613633d6810 RCX: 00007f55a3d1237d [ 10.532171][ T225] RDX: 0000000000000000 RSI: 0000561354977ffd RDI: 0000000000000000 [ 10.532172][ T225] RBP: 00007ffec94fd860 R08: 0000000000000000 R09: 0000000000000000 [ 10.532173][ T225] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561354977ffd [ 10.532174][ T225] R13: 00005613633d6960 R14: 0000000000040000 R15: 0000000000000000 | [ 26.496305][ C0] softirqs last disabled at (672403): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 26.496307][ C0] Preemption disabled at: | [ 26.496307][ C0] schedule_preempt_disabled (kernel/sched/core.c:7420) | [ 26.496318][ C0] Tainted: [W]=WARN [ 26.496319][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.496320][ C0] Call Trace: [ 26.496322][ C0] [ 26.496324][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.496329][ C0] ? schedule_preempt_disabled (kernel/sched/core.c:7420) [ 26.496331][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 26.496334][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.496338][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 26.496341][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.496345][ C0] __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)) [ 26.496348][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.496351][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.496354][ C0] ? 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) [ 26.496356][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.496358][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 26.496360][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.496361][ C0] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 26.496365][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.496368][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.496369][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.496371][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.496373][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.496376][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.496378][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.496379][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.496381][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.496383][ C0] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 26.496384][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.496387][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.496389][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.496391][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.496393][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.496394][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.496396][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.496397][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.496399][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.496401][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.496403][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 26.496405][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.496407][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.496409][ C0] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.496410][ C0] ? x86_64_start_kernel (arch/x86/kernel/head64.c:264) [ 26.496415][ C0] _printk (kernel/printk/printk.c:2504) [ 26.496419][ C0] ? snapshot_read.cold (user.c:?) [ 26.496420][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 26.496424][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.496427][ C0] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 26.496428][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 26.496431][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 26.496434][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 26.496436][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 26.496437][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 26.496440][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.496441][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge [ 26.496455][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.496457][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.496458][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge [ 26.496465][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 26.496467][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge [ 26.496473][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge [ 26.496480][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge [ 26.496486][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 26.496489][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 26.496491][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 26.496495][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.496497][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.496499][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.496501][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 26.496503][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge [ 26.496510][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 26.496512][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.496515][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.496517][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 26.496519][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 26.496521][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.496523][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.496525][ C0] handle_softirqs (kernel/softirq.c:645) [ 26.496527][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.496528][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 26.496530][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 26.496532][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 26.496533][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 26.496536][ C0] [ 26.496537][ C0] [ 26.496537][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 26.496539][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 26.496542][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 26.496544][ C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 e2 f5 01 mov 0x1f5e294(%rip),%rdi # 0x1f5e29b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 a3 95 00 sub 0x95a358(%rip),%rax # 0x95a36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 96 11 00 verw 0x119613(%rip) # 0x11963b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 26.496546][ C0] RSP: 0018:ffffffffadc07cf8 EFLAGS: 00000296 [ 26.496549][ C0] RAX: 00000000000a4291 RBX: ffffffffadc1c600 RCX: ffffffffaacf0307 [ 26.496550][ C0] RDX: ffffffffadc1c600 RSI: ffffffffada38b01 RDI: ffffffffad48d8e0 [ 26.496551][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.496552][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5b80fa2 [ 26.496553][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 26.496554][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 26.496558][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 26.496559][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 26.496561][ C0] default_idle_call (kernel/sched/idle.c:122) [ 26.496563][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 26.496564][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 26.496566][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 26.496568][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.496570][ C0] do_idle (kernel/sched/idle.c:355) [ 26.496572][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 26.496573][ C0] rest_init (init/main.c:727) [ 26.496575][ C0] ? __cpuidle_text_end (??:?) [ 26.496578][ C0] ? rest_init (init/main.c:727) [ 26.496580][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 26.496583][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 26.496586][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 26.496588][ C0] start_kernel (init/main.c:1185) [ 26.496590][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 26.496592][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 26.496594][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 26.562262][ C0] | [ 26.562386][ C0] | [ 26.562386][ C0] stack backtrace: | [ 26.562574][ C0] Tainted: [W]=WARN [ 26.562575][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.562576][ C0] Call Trace: [ 26.562578][ C0] [ 26.562579][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.562583][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 26.562586][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 26.562589][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 26.562591][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 26.562593][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 26.562595][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.562597][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge [ 26.562604][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.562607][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.562609][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge [ 26.562615][ C0] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 26.562617][ C0] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge [ 26.562623][ C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge [ 26.562630][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge [ 26.562636][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 26.562638][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 26.562639][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 26.562643][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.562645][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.562647][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.562649][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 26.562651][ C0] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge [ 26.562657][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 26.562659][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.562662][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.562664][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 26.562666][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 26.562668][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.562670][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.562672][ C0] handle_softirqs (kernel/softirq.c:645) [ 26.562674][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.562675][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 26.562677][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 26.562679][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 26.562680][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 26.562682][ C0] [ 26.562683][ C0] [ 26.562683][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 26.562685][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 26.562687][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 26.562689][ C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 e2 f5 01 mov 0x1f5e294(%rip),%rdi # 0x1f5e29b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 a3 95 00 sub 0x95a358(%rip),%rax # 0x95a36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 96 11 00 verw 0x119613(%rip) # 0x11963b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 26.562690][ C0] RSP: 0018:ffffffffadc07cf8 EFLAGS: 00000296 [ 26.562693][ C0] RAX: 00000000000a4291 RBX: ffffffffadc1c600 RCX: ffffffffaacf0307 [ 26.562694][ C0] RDX: ffffffffadc1c600 RSI: ffffffffada38b01 RDI: ffffffffad48d8e0 [ 26.562695][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.562696][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5b80fa2 [ 26.562697][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 26.562698][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 26.562701][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 26.562702][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 26.562704][ C0] default_idle_call (kernel/sched/idle.c:122) [ 26.562706][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 26.562707][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 26.562709][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 26.562711][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.562713][ C0] do_idle (kernel/sched/idle.c:355) [ 26.562715][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 26.562716][ C0] rest_init (init/main.c:727) [ 26.562718][ C0] ? __cpuidle_text_end (??:?) [ 26.562721][ C0] ? rest_init (init/main.c:727) [ 26.562722][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 26.562726][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 26.562728][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 26.562731][ C0] start_kernel (init/main.c:1185) [ 26.562732][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 26.562734][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 26.562736][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 58.159362][ T534] softirqs last disabled at (0): 0x0 | [ 58.159364][ T534] Preemption disabled at: | [ 58.159365][ T534] vprintk_emit (kernel/printk/printk.c:2471) | [ 58.159376][ T534] Tainted: [W]=WARN [ 58.159377][ T534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.159379][ T534] Call Trace: [ 58.159381][ T534] [ 58.159382][ T534] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.159387][ T534] ? vprintk_emit (kernel/printk/printk.c:2471) [ 58.159389][ T534] __might_resched.cold (kernel/sched/core.c:9234) [ 58.159393][ T534] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 58.159395][ T534] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.159398][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.159402][ T534] __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)) [ 58.159405][ T534] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.159408][ T534] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.159411][ T534] ? 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) [ 58.159413][ T534] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.159415][ T534] put_chars (drivers/char/virtio_console.c:1176) [ 58.159417][ T534] ? __send_to_port (drivers/char/virtio_console.c:654) [ 58.159419][ T534] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 58.159421][ T534] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 58.159425][ T534] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 58.159426][ T534] ? vsnprintf (lib/vsprintf.c:2900) [ 58.159429][ T534] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.159431][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.159432][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.159435][ T534] console_emit_next_record (kernel/printk/printk.c:3183) [ 58.159437][ T534] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 58.159439][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.159441][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.159442][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.159444][ T534] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.159446][ T534] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 58.159448][ T534] console_flush_one_record (kernel/printk/printk.c:3268) [ 58.159450][ T534] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 58.159453][ T534] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 58.159455][ T534] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.159456][ T534] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 58.159458][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.159459][ T534] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.159461][ T534] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 58.159462][ T534] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 58.159464][ T534] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 58.159466][ T534] ? vprintk_emit (kernel/printk/printk.c:2478) [ 58.159468][ T534] vprintk_emit (kernel/printk/printk.c:2479) [ 58.159472][ T534] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 58.159474][ T534] ? netdev_run_todo (net/core/dev.c:11776) [ 58.159478][ T534] ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred [ 58.159481][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.159484][ T534] ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc [ 58.159487][ T534] _printk (kernel/printk/printk.c:2504) [ 58.159490][ T534] ? snapshot_read.cold (user.c:?) [ 58.159491][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.159493][ T534] ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc [ 58.159495][ T534] ? __up_write (kernel/locking/rwsem.c:1415) [ 58.159496][ T534] ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1)) [ 58.159497][ T534] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.159499][ T534] ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417) [ 58.159501][ T534] mirred_init_module (net/sched/act_mirred.c:508) act_mirred [ 58.159503][ T534] do_one_initcall (init/main.c:1357) [ 58.159506][ T534] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 58.159508][ T534] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 58.159511][ T534] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 58.159514][ T534] do_init_module (kernel/module/main.c:3117) [ 58.159516][ T534] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 58.159518][ T534] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 58.159521][ T534] load_module (kernel/module/main.c:3593) [ 58.159524][ T534] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 58.159526][ T534] ? __ia32_sys_fsconfig (??:?) [ 58.159529][ T534] ? ovl_real_file (fs/overlayfs/file.c:195) [ 58.159532][ T534] ? backing_file_read_iter (fs/backing-file.c:211) [ 58.159535][ T534] init_module_from_file (kernel/module/main.c:3790) [ 58.159537][ T534] ? __do_sys_init_module (kernel/module/main.c:3664) [ 58.159540][ T534] ? ovl_mmap (fs/overlayfs/file.c:477) [ 58.159542][ T534] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.159544][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.159546][ T534] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.159547][ T534] ? 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) [ 58.159549][ T534] idempotent_init_module (kernel/module/main.c:3802) [ 58.159552][ T534] ? init_module_from_file (kernel/module/main.c:3791) [ 58.159554][ T534] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.159556][ T534] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 58.159560][ T534] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 58.159562][ T534] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 58.159565][ T534] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 58.159567][ T534] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 58.159569][ T534] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.159571][ T534] RIP: 0033:0x7f880b9b437d [ 58.159573][ T534] 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 [ 58.159575][ T534] RSP: 002b:00007ffef2e14f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 58.159579][ T534] RAX: ffffffffffffffda RBX: 0000562760b9b810 RCX: 00007f880b9b437d [ 58.159581][ T534] RDX: 0000000000000000 RSI: 000056275e453ffd RDI: 0000000000000000 [ 58.159582][ T534] RBP: 00007ffef2e14fb0 R08: 0000000000000000 R09: 0000000000000000 [ 58.159583][ T534] R10: 0000000000000000 R11: 0000000000000246 R12: 000056275e453ffd [ 58.159583][ T534] R13: 0000562760b9b960 R14: 0000000000040000 R15: 0000000000000000 | [ 64.593406][ T575] softirqs last disabled at (0): 0x0 | [ 64.593408][ T575] Preemption disabled at: | [ 64.593409][ T575] 0x0 | [ 64.593418][ T575] Tainted: [W]=WARN [ 64.593419][ T575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 64.593420][ T575] Call Trace: [ 64.593422][ T575] [ 64.593423][ T575] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 64.593429][ T575] __might_resched.cold (kernel/sched/core.c:9234) [ 64.593433][ T575] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 64.593436][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593440][ T575] __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)) [ 64.593443][ T575] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.593446][ T575] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.593450][ T575] ? 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) [ 64.593452][ T575] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 64.593454][ T575] put_chars (drivers/char/virtio_console.c:1176) [ 64.593456][ T575] ? __send_to_port (drivers/char/virtio_console.c:654) [ 64.593457][ T575] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 64.593461][ T575] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 64.593464][ T575] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 64.593466][ T575] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 64.593468][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593470][ T575] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.593472][ T575] console_emit_next_record (kernel/printk/printk.c:3183) [ 64.593474][ T575] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 64.593476][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593478][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593480][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593481][ T575] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.593483][ T575] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 64.593485][ T575] console_flush_one_record (kernel/printk/printk.c:3268) [ 64.593487][ T575] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 64.593490][ T575] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 64.593491][ T575] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.593493][ T575] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 64.593495][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593496][ T575] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.593498][ T575] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 64.593499][ T575] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 64.593501][ T575] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 64.593503][ T575] ? vprintk_emit (kernel/printk/printk.c:2478) [ 64.593505][ T575] vprintk_emit (kernel/printk/printk.c:2479) [ 64.593507][ T575] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 64.593509][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593511][ T575] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 64.593513][ T575] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 64.593515][ T575] _printk (kernel/printk/printk.c:2504) [ 64.593518][ T575] ? snapshot_read.cold (user.c:?) [ 64.593521][ T575] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 64.593526][ T575] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 64.593539][ T575] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 64.593549][ T575] br_device_event (net/bridge/br.c:111) bridge [ 64.593557][ T575] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 64.593561][ T575] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 64.593563][ T575] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 64.593566][ T575] notifier_call_chain (kernel/notifier.c:85) [ 64.593569][ T575] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 64.593573][ T575] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 64.593575][ T575] ? netif_change_name (net/core/dev.c:1517) [ 64.593577][ T575] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 64.593579][ T575] ? __kernel_text_address (kernel/extable.c:79) [ 64.593581][ T575] ? write_profile (profile.c:?) [ 64.593583][ T575] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 64.593586][ T575] netif_change_flags (net/core/dev.c:9882) [ 64.593588][ T575] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 64.593591][ T575] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 64.593593][ T575] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 64.593594][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593596][ T575] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 64.593600][ T575] ? kasan_save_stack (mm/kasan/common.c:58) [ 64.593602][ T575] ? kasan_save_stack (mm/kasan/common.c:57) [ 64.593604][ T575] ? kasan_save_track (mm/kasan/common.c:78) [ 64.593605][ T575] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 64.593607][ T575] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 64.593609][ T575] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 64.593610][ T575] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 64.593611][ T575] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 64.593613][ T575] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 64.593615][ T575] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 64.593616][ T575] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 64.593618][ T575] ? ___sys_sendmsg (net/socket.c:2767) [ 64.593620][ T575] ? __sys_sendmsg (net/socket.c:2799) [ 64.593621][ T575] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 64.593623][ T575] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 64.593626][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593628][ T575] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.593629][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593631][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593632][ T575] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 64.593635][ T575] ? __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) [ 64.593637][ T575] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 64.593638][ T575] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 64.593640][ T575] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 64.593642][ T575] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 64.593644][ T575] rtnl_newlink (net/core/rtnetlink.c:4215) [ 64.593646][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593648][ T575] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.593649][ T575] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.593650][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593652][ T575] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 64.593655][ T575] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 64.593657][ T575] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 64.593659][ T575] ? __kernel_text_address (kernel/extable.c:79) [ 64.593660][ T575] ? write_profile (profile.c:?) [ 64.593661][ T575] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 64.593662][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593664][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593665][ T575] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 64.593669][ T575] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.593671][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593672][ T575] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 64.593674][ T575] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 64.593675][ T575] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.593677][ T575] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 64.593678][ T575] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 64.593681][ T575] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 64.593682][ T575] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 64.593683][ T575] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.593685][ T575] ? netlink_ack (./include/linux/skbuff.h:2718) [ 64.593686][ T575] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 64.593689][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593690][ T575] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.593692][ T575] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 64.593694][ T575] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 64.593696][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593697][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593699][ T575] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 64.593701][ T575] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 64.593703][ T575] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 64.593705][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593706][ T575] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 64.593708][ T575] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 64.593710][ T575] ? copy_msghdr_from_user (net/socket.c:2650) [ 64.593712][ T575] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 64.593713][ T575] ? move_addr_to_kernel (net/socket.c:258) [ 64.593715][ T575] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 64.593717][ T575] ___sys_sendmsg (net/socket.c:2767) [ 64.593719][ T575] ? copy_msghdr_from_user (net/socket.c:2619) [ 64.593724][ T575] __sys_sendmsg (net/socket.c:2799) [ 64.593726][ T575] ? __sys_sendmsg_sock (net/socket.c:2780) [ 64.593728][ T575] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 64.593730][ T575] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 64.593732][ T575] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 64.593734][ T575] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 64.593735][ T575] RIP: 0033:0x7ff1d90f954e [ 64.593738][ T575] 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 [ 64.593739][ T575] RSP: 002b:00007fff9181f7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 64.593743][ T575] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff1d90f954e [ 64.593744][ T575] RDX: 0000000000000000 RSI: 00007fff9181f890 RDI: 0000000000000005 [ 64.593745][ T575] RBP: 00007fff9181f7f0 R08: 0000000000000000 R09: 0000000000000000 [ 64.593746][ T575] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910180 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock __irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars