pkg/report: add new Linux rcu stall report format

These are mis-parsed for now. Just add test cases.

3 files changed, 555 insertions, 0 deletions

diff --git a/pkg/report/testdata/linux/report/718 b/pkg/report/testdata/linux/report/718
new file mode 100644
index 000000000..08e9c14b2
--- /dev/null
+++ b/pkg/report/testdata/linux/report/718
@@ -0,0 +1,110 @@
+TITLE: INFO: rcu detected stall in corrupted
+ALT: stall in corrupted
+TYPE: HANG
+CORRUPTED: Y
+
+[  146.893110][    C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
+[  146.894767][    C1] rcu: 	(detected by 1, t=10002 jiffies, g=4241, q=1639 ncpus=2)
+[  146.896637][    C1] rcu: All QSes seen, last rcu_preempt kthread activity 9998 (4294951926-4294941928), jiffies_till_next_fqs=1, root ->qsmask 0x0
+[  146.901144][    C1] rcu: rcu_preempt kthread starved for 9998 jiffies! g4241 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
+[  146.903974][    C1] rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
+[  146.906067][    C1] rcu: RCU grace-period kthread stack dump:
+[  146.907296][    C1] task:rcu_preempt     state:R  running task     stack:26920 pid:17    tgid:17    ppid:2      flags:0x00004000
+[  146.909742][    C1] Call Trace:
+[  146.910457][    C1]  <TASK>
+[  146.911086][    C1]  __schedule+0x1335/0x44b0
+[  146.912062][    C1]  ? __kasan_check_write+0x18/0x20
+[  146.913143][    C1]  ? __mod_timer+0xa6f/0x10a0
+[  146.914152][    C1]  ? __pfx___schedule+0x10/0x10
+[  146.915189][    C1]  ? __pfx___try_to_del_timer_sync+0x10/0x10
+[  146.916411][    C1]  schedule+0xc9/0x240
+[  146.917276][    C1]  schedule_timeout+0x1ad/0x3c0
+[  146.918355][    C1]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
+[  146.919731][    C1]  ? __pfx_schedule_timeout+0x10/0x10
+[  146.920945][    C1]  ? __pfx_process_timeout+0x10/0x10
+[  146.922114][    C1]  ? prepare_to_swait_event+0x310/0x330
+[  146.923320][    C1]  rcu_gp_fqs_loop+0x2da/0x1200
+[  146.924358][    C1]  ? __pfx_rcu_implicit_dynticks_qs+0x10/0x10
+[  146.925642][    C1]  ? __pfx_rcu_gp_fqs_loop+0x10/0x10
+[  146.926768][    C1]  ? finish_swait+0x17f/0x1c0
+[  146.927740][    C1]  rcu_gp_kthread+0xa4/0x3a0
+[  146.928717][    C1]  ? __pfx_rcu_gp_kthread+0x10/0x10
+[  146.929846][    C1]  ? __kasan_check_read+0x15/0x20
+[  146.930915][    C1]  ? __kthread_parkme+0x12f/0x180
+[  146.931993][    C1]  kthread+0x2d8/0x370
+[  146.932857][    C1]  ? __pfx_rcu_gp_kthread+0x10/0x10
+[  146.933965][    C1]  ? __pfx_kthread+0x10/0x10
+[  146.934956][    C1]  ret_from_fork+0x56/0x90
+[  146.935916][    C1]  ? __pfx_kthread+0x10/0x10
+[  146.936867][    C1]  ret_from_fork_asm+0x1a/0x30
+[  146.937875][    C1]  </TASK>
+[  146.938518][    C1] rcu: Stack dump where RCU GP kthread last ran:
+[  146.939867][    C1] Sending NMI from CPU 1 to CPUs 0:
+[  146.941062][    C0] NMI backtrace for cpu 0
+[  146.941087][    C0] CPU: 0 PID: 5599 Comm: syz.0.104 Not tainted 6.10.0-rc5-00257-g88d8f64b9f5f-dirty #20
+[  146.941108][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
+[  146.941122][    C0] RIP: 0010:rb_insert_color+0xa/0x5e0
+[  146.941157][    C0] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 ec 38 48 89 75 a8 48 89 fb 49 bf 00 00
+[  146.941173][    C0] RSP: 0018:ffffc90006a87948 EFLAGS: 00000086
+[  146.941189][    C0] RAX: 1ffff1100598582d RBX: ffff8880167991b8 RCX: dffffc0000000000
+[  146.941202][    C0] RDX: ffffc90002521000 RSI: ffff88802cc2c160 RDI: ffff8880167991b8
+[  146.941216][    C0] RBP: ffffc90006a87950 R08: ffff8880167991cf R09: 0000000000000000
+[  146.941227][    C0] R10: ffff8880167991c0 R11: ffffed1002cf323a R12: ffff88802cc2c160
+[  146.941240][    C0] R13: ffff8880167991b8 R14: ffff88802cc2c658 R15: ffff88802cc2c101
+[  146.941253][    C0] FS:  00007f9e6a7746c0(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000
+[  146.941268][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  146.941280][    C0] CR2: 000000110c30ec34 CR3: 000000001f0a0000 CR4: 0000000000750ef0
+[  146.941294][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[  146.941304][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[  146.941314][    C0] PKRU: 55555554
+[  146.941321][    C0] Call Trace:
+[  146.941326][    C0]  <NMI>
+[  146.941333][    C0]  ? show_regs+0x5d/0x70
+[  146.941354][    C0]  ? nmi_cpu_backtrace+0x3b5/0x4c0
+[  146.941380][    C0]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
+[  146.941407][    C0]  ? kvm_sched_clock_read+0x15/0x30
+[  146.941426][    C0]  ? nmi_cpu_backtrace_handler+0x10/0x20
+[  146.941452][    C0]  ? nmi_handle+0xae/0x3b0
+[  146.941474][    C0]  ? rb_insert_color+0xa/0x5e0
+[  146.941490][    C0]  ? default_do_nmi+0x68/0x170
+[  146.941515][    C0]  ? exc_nmi+0x12d/0x200
+[  146.941539][    C0]  ? end_repeat_nmi+0xf/0x53
+[  146.941565][    C0]  ? rb_insert_color+0xa/0x5e0
+[  146.941582][    C0]  ? rb_insert_color+0xa/0x5e0
+[  146.941598][    C0]  ? rb_insert_color+0xa/0x5e0
+[  146.941615][    C0]  </NMI>
+[  146.941620][    C0]  <TASK>
+[  146.941626][    C0]  timerqueue_add+0x24d/0x280
+[  146.941649][    C0]  enqueue_hrtimer+0x11c/0x300
+[  146.941667][    C0]  hrtimer_start_range_ns+0x9e9/0xbb0
+[  146.941695][    C0]  common_hrtimer_rearm+0x100/0x110
+[  146.941718][    C0]  posixtimer_rearm+0x19c/0x3f0
+[  146.941736][    C0]  ? __pfx_posixtimer_rearm+0x10/0x10
+[  146.941755][    C0]  ? __kasan_check_write+0x18/0x20
+[  146.941770][    C0]  ? recalc_sigpending+0x16d/0x1d0
+[  146.941808][    C0]  dequeue_signal+0x23f/0x5b0
+[  146.941833][    C0]  ? __kasan_check_write+0x18/0x20
+[  146.941847][    C0]  ? _raw_spin_lock_irq+0xaa/0x1b0
+[  146.941870][    C0]  ? __pfx_dequeue_signal+0x10/0x10
+[  146.941894][    C0]  ? __kasan_check_write+0x18/0x20
+[  146.941909][    C0]  ? uprobe_deny_signal+0x7b/0x230
+[  146.941925][    C0]  ? get_signal+0x157/0x1650
+[  146.941943][    C0]  get_signal+0x532/0x1650
+[  146.941964][    C0]  ? __pfx_get_signal+0x10/0x10
+[  146.941983][    C0]  arch_do_signal_or_restart+0x96/0x840
+[  146.941999][    C0]  ? __pfx_sched_clock_cpu+0x10/0x10
+[  146.942021][    C0]  ? __pfx_arch_do_signal_or_restart+0x10/0x10
+[  146.942039][    C0]  ? __pfx___do_sys_rt_sigreturn+0x10/0x10
+[  146.942058][    C0]  syscall_exit_to_user_mode+0x66/0x240
+[  146.942077][    C0]  do_syscall_64+0xf0/0x230
+[  146.942098][    C0]  ? clear_bhb_loop+0x25/0x80
+[  146.942120][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
+[  146.942140][    C0] RIP: 0033:0x7f9e69847189
+[  146.942158][    C0] Code: bd 1e ff ff 48 83 c4 58 5b 5d 41 5c 41 5e c3 66 90 48 8b 44 24 18 48 8b 1c 24 48 8b 70 50 8b 78 08 48 8d 53 30 e8 f7 64 ff ff <48> 89 83 88 00 00 00 e9 82 fe ff ff 0f 1f 00 8b 7c 24 14 48 8d 74
+[  146.942174][    C0] RSP: 002b:00007f9e6a774080 EFLAGS: 00010206
+[  146.942188][    C0] RAX: 0000000020000000 RBX: 00007f9e69b03f60 RCX: 00007f9e699ea084
+[  146.942201][    C0] RDX: 0000000000000000 RSI: 0000000000b36000 RDI: 0000000020000000
+[  146.942211][    C0] RBP: 00007f9e699ea084 R08: ffffffffffffffff R09: 0000000000000000
+[  146.942223][    C0] R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
+[  146.942234][    C0] R13: 000000000000000b R14: 00007f9e69b03f60 R15: 00007ffedfe59038
+[  146.942248][    C0]  </TASK>
diff --git a/pkg/report/testdata/linux/report/719 b/pkg/report/testdata/linux/report/719
new file mode 100644
index 000000000..25a3db884
--- /dev/null
+++ b/pkg/report/testdata/linux/report/719
@@ -0,0 +1,231 @@
+TITLE: INFO: rcu detected stall in corrupted
+ALT: stall in corrupted
+TYPE: HANG
+CORRUPTED: Y
+
+[  576.777151][    C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
+[  576.778800][    C0] rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P30749/1:b..l P22934/1:b..l
+[  576.780823][    C0] rcu: 	(detected by 0, t=10002 jiffies, g=56441, q=553 ncpus=2)
+[  576.782461][    C0] task:syz-executor    state:R  running task     stack:21064 pid:22934 tgid:22934 ppid:22913  flags:0x00004000
+[  576.786066][    C0] Call Trace:
+[  576.787338][    C0]  <TASK>
+[  576.787959][    C0]  __schedule+0x1335/0x44b0
+[  576.788955][    C0]  ? swake_up_one_online+0x71/0x120
+[  576.790086][    C0]  ? __kasan_check_write+0x18/0x20
+[  576.791158][    C0]  ? irqentry_exit+0x3f/0x60
+[  576.792139][    C0]  ? sysvec_reschedule_ipi+0x7e/0x190
+[  576.793246][    C0]  ? __pfx___schedule+0x10/0x10
+[  576.794283][    C0]  ? page_table_check_set+0xd1/0x560
+[  576.795414][    C0]  ? preempt_schedule+0xe2/0xf0
+[  576.796485][    C0]  preempt_schedule_common+0x9c/0xe0
+[  576.797617][    C0]  preempt_schedule+0xe2/0xf0
+[  576.798620][    C0]  ? __pfx_preempt_schedule+0x10/0x10
+[  576.799734][    C0]  ? __page_table_check_ptes_set+0x32a/0x430
+[  576.800963][    C0]  preempt_schedule_thunk+0x1a/0x30
+[  576.802058][    C0]  _raw_spin_unlock+0x68/0x70
+[  576.803038][    C0]  copy_pmd_range+0x7857/0x8120
+[  576.804053][    C0]  ? __pfx_copy_pmd_range+0x10/0x10
+[  576.805123][    C0]  ? __pfx___schedule+0x10/0x10
+[  576.806139][    C0]  ? irqentry_exit+0x3f/0x60
+[  576.807099][    C0]  ? sysvec_call_function_single+0x67/0xd0
+[  576.808292][    C0]  ? preempt_schedule_irq+0xd7/0x130
+[  576.809251][    C0]  ? __pfx_preempt_schedule_irq+0x10/0x10
+[  576.810178][    C0]  ? mas_wr_walk_descend+0x5a6/0x880
+[  576.810959][    C0]  ? raw_irqentry_exit_cond_resched+0x48/0x60
+[  576.811999][    C0]  ? sysvec_call_function_single+0x67/0xd0
+[  576.812994][    C0]  ? copy_page_range+0x232/0xd40
+[  576.813828][    C0]  copy_page_range+0x99c/0xd40
+[  576.814647][    C0]  ? __pfx_copy_page_range+0x10/0x10
+[  576.815426][    C0]  ? up_write+0xc9/0x1c0
+[  576.816296][    C0]  ? __pfx_up_write+0x10/0x10
+[  576.817271][    C0]  ? vma_interval_tree_insert_after+0x2e4/0x310
+[  576.818572][    C0]  copy_mm+0x120e/0x1ea0
+[  576.819462][    C0]  ? __pfx_copy_mm+0x10/0x10
+[  576.820443][    C0]  ? _raw_spin_lock+0xa9/0x1b0
+[  576.821500][    C0]  ? __kasan_check_write+0x18/0x20
+[  576.822568][    C0]  ? __init_rwsem+0xd9/0x130
+[  576.823533][    C0]  ? copy_signal+0x4fb/0x650
+[  576.824510][    C0]  copy_process+0x15db/0x3720
+[  576.825535][    C0]  ? __pfx_copy_process+0x10/0x10
+[  576.826599][    C0]  ? __pfx_cgroup_rstat_updated+0x10/0x10
+[  576.827783][    C0]  ? __kasan_check_read+0x15/0x20
+[  576.828843][    C0]  kernel_clone+0x23a/0x8d0
+[  576.829803][    C0]  ? debug_smp_processor_id+0x1b/0x30
+[  576.830919][    C0]  ? __pfx_kernel_clone+0x10/0x10
+[  576.831951][    C0]  __x64_sys_clone+0x259/0x2b0
+[  576.832935][    C0]  ? __pfx___x64_sys_clone+0x10/0x10
+[  576.834076][    C0]  ? handle_mm_fault+0x81c/0xae0
+[  576.835134][    C0]  ? fpregs_assert_state_consistent+0xbb/0xf0
+[  576.836312][    C0]  x64_sys_call+0x246a/0x2e60
+[  576.837192][    C0]  do_syscall_64+0xe3/0x230
+[  576.838152][    C0]  ? clear_bhb_loop+0x25/0x80
+[  576.839135][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
+[  576.840163][    C0] RIP: 0033:0x7f445ef6d443
+[  576.840906][    C0] RSP: 002b:00007ffce0b328f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
+[  576.842265][    C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f445ef6d443
+[  576.843603][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
+[  576.844988][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
+[  576.846281][    C0] R10: 000055558477b7d0 R11: 0000000000000246 R12: 0000000000000000
+[  576.847562][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
+[  576.849059][    C0]  </TASK>
+[  576.849573][    C0] task:syz.1.4561      state:R  running task     stack:26536 pid:30749 tgid:30731 ppid:14971  flags:0x00004000
+[  576.851824][    C0] Call Trace:
+[  576.852505][    C0]  <TASK>
+[  576.853113][    C0]  __schedule+0x1335/0x44b0
+[  576.854063][    C0]  ? __pfx_cgroup_rstat_updated+0x10/0x10
+[  576.855240][    C0]  ? __pfx_free_pages_and_swap_cache+0x10/0x10
+[  576.856490][    C0]  ? debug_smp_processor_id+0x1b/0x30
+[  576.857601][    C0]  ? memcg_rstat_updated+0x80/0x300
+[  576.858673][    C0]  ? __pfx___schedule+0x10/0x10
+[  576.859688][    C0]  ? __mod_memcg_lruvec_state+0x283/0x340
+[  576.860849][    C0]  ? __this_cpu_preempt_check+0x17/0x20
+[  576.861996][    C0]  ? __mod_node_page_state+0xb0/0x100
+[  576.863116][    C0]  ? preempt_schedule+0xe2/0xf0
+[  576.864124][    C0]  preempt_schedule_common+0x9c/0xe0
+[  576.865221][    C0]  preempt_schedule+0xe2/0xf0
+[  576.866196][    C0]  ? __pfx_preempt_schedule+0x10/0x10
+[  576.867298][    C0]  ? folio_remove_rmap_ptes+0x37f/0x4c0
+[  576.868421][    C0]  preempt_schedule_thunk+0x1a/0x30
+[  576.869484][    C0]  _raw_spin_unlock+0x68/0x70
+[  576.870474][    C0]  unmap_page_range+0x38e0/0x42e0
+[  576.871516][    C0]  ? __switch_to_asm+0x37/0x70
+[  576.872507][    C0]  ? __pfx_unmap_page_range+0x10/0x10
+[  576.873598][    C0]  ? mm_cid_get+0xb9/0x8e0
+[  576.874526][    C0]  ? dequeue_pushable_task+0x34/0x2e0
+[  576.875612][    C0]  ? _raw_spin_unlock+0x50/0x70
+[  576.876606][    C0]  ? __switch_to_asm+0x37/0x70
+[  576.877571][    C0]  ? mas_next_slot+0x19e0/0x1ab0
+[  576.878575][    C0]  ? uprobe_munmap+0x1aa/0x450
+[  576.879553][    C0]  unmap_single_vma+0x1c8/0x2a0
+[  576.880557][    C0]  unmap_vmas+0x36b/0x580
+[  576.881448][    C0]  ? __pfx_unmap_vmas+0x10/0x10
+[  576.882438][    C0]  ? __pfx_preempt_schedule+0x10/0x10
+[  576.883518][    C0]  ? tlb_gather_mmu_fullmm+0x16c/0x220
+[  576.884639][    C0]  exit_mmap+0x263/0xaf0
+[  576.885495][    C0]  ? __pfx_exit_mmap+0x10/0x10
+[  576.886473][    C0]  ? __pfx_exit_aio+0x10/0x10
+[  576.887410][    C0]  ? uprobe_clear_state+0x268/0x280
+[  576.888465][    C0]  __mmput+0x128/0x3f0
+[  576.889300][    C0]  ? mmput+0x5e/0x80
+[  576.890102][    C0]  mmput+0x66/0x80
+[  576.890862][    C0]  exit_mm+0x135/0x200
+[  576.891690][    C0]  do_exit+0x97c/0x2bd0
+[  576.892534][    C0]  ? __pfx_futex_wake_mark+0x10/0x10
+[  576.893608][    C0]  ? __pfx_do_exit+0x10/0x10
+[  576.894545][    C0]  ? __kasan_check_write+0x18/0x20
+[  576.895575][    C0]  ? cgroup_freezing+0xa0/0xd0
+[  576.896552][    C0]  do_group_exit+0x215/0x2e0
+[  576.897486][    C0]  ? __kasan_check_write+0x18/0x20
+[  576.898537][    C0]  get_signal+0x14e5/0x1650
+[  576.899461][    C0]  ? __pfx_get_signal+0x10/0x10
+[  576.900467][    C0]  arch_do_signal_or_restart+0x96/0x840
+[  576.901621][    C0]  ? __pfx_arch_do_signal_or_restart+0x10/0x10
+[  576.902913][    C0]  syscall_exit_to_user_mode+0x66/0x240
+[  576.904044][    C0]  do_syscall_64+0xf0/0x230
+[  576.904980][    C0]  ? clear_bhb_loop+0x25/0x80
+[  576.905971][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
+[  576.907171][    C0] RIP: 0033:0x7f4239776b49
+[  576.908073][    C0] RSP: 002b:00007f423a50a0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
+[  576.909774][    C0] RAX: fffffffffffffe00 RBX: 00007f4239904118 RCX: 00007f4239776b49
+[  576.911383][    C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4239904118
+[  576.912971][    C0] RBP: 00007f4239904110 R08: 00007f423a50acdc R09: 00007f423a50acdc
+[  576.914569][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f423990411c
+[  576.916168][    C0] R13: 000000000000006e R14: 00007ffe14586dc0 R15: 00007ffe14586ea8
+[  576.917775][    C0]  </TASK>
+[  576.918408][    C0] rcu: rcu_preempt kthread starved for 10015 jiffies! g56441 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
+[  576.920635][    C0] rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
+[  576.922617][    C0] rcu: RCU grace-period kthread stack dump:
+[  576.923802][    C0] task:rcu_preempt     state:R  running task     stack:25440 pid:17    tgid:17    ppid:2      flags:0x00004000
+[  576.926162][    C0] Call Trace:
+[  576.926828][    C0]  <TASK>
+[  576.927434][    C0]  __schedule+0x1335/0x44b0
+[  576.928355][    C0]  ? __kasan_check_write+0x18/0x20
+[  576.929380][    C0]  ? __mod_timer+0xa6f/0x10a0
+[  576.930362][    C0]  ? __pfx___schedule+0x10/0x10
+[  576.931364][    C0]  ? __pfx___try_to_del_timer_sync+0x10/0x10
+[  576.932578][    C0]  schedule+0xc9/0x240
+[  576.933426][    C0]  schedule_timeout+0x1ad/0x3c0
+[  576.934425][    C0]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
+[  576.935709][    C0]  ? __pfx_schedule_timeout+0x10/0x10
+[  576.936800][    C0]  ? __pfx_process_timeout+0x10/0x10
+[  576.937876][    C0]  ? prepare_to_swait_event+0x310/0x330
+[  576.938995][    C0]  rcu_gp_fqs_loop+0x2da/0x1200
+[  576.939996][    C0]  ? __pfx_rcu_gp_init+0x10/0x10
+[  576.940998][    C0]  ? __pfx_rcu_gp_fqs_loop+0x10/0x10
+[  576.942102][    C0]  ? finish_swait+0x17f/0x1c0
+[  576.943060][    C0]  rcu_gp_kthread+0xa4/0x3a0
+[  576.943988][    C0]  ? __pfx_rcu_gp_kthread+0x10/0x10
+[  576.945042][    C0]  ? __kasan_check_read+0x15/0x20
+[  576.946077][    C0]  ? __kthread_parkme+0x12f/0x180
+[  576.947105][    C0]  kthread+0x2d8/0x370
+[  576.947940][    C0]  ? __pfx_rcu_gp_kthread+0x10/0x10
+[  576.949005][    C0]  ? __pfx_kthread+0x10/0x10
+[  576.949949][    C0]  ret_from_fork+0x56/0x90
+[  576.950843][    C0]  ? __pfx_kthread+0x10/0x10
+[  576.951774][    C0]  ret_from_fork_asm+0x1a/0x30
+[  576.952751][    C0]  </TASK>
+[  576.953381][    C0] rcu: Stack dump where RCU GP kthread last ran:
+[  576.954702][    C0] CPU: 0 PID: 30768 Comm: syz.2.4572 Not tainted 6.10.0-rc5-00257-g88d8f64b9f5f-dirty #20
+[  576.956650][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
+[  576.958745][    C0] RIP: 0010:_raw_spin_unlock_irq+0x4c/0x70
+[  576.959932][    C0] Code: 3c 08 00 74 0c 48 c7 c7 00 30 f3 8d e8 cd 87 70 f6 48 83 3d b5 3b 6f 02 00 74 2e 48 89 df e8 eb 12 00 00 90 fb bf 01 00 00 00 <e8> 5f 07 e1 f5 65 8b 05 20 be 7f 74 85 c0 74 08 5b 5d c3 cc cc cc
+[  576.963839][    C0] RSP: 0018:ffffc9000977fc48 EFLAGS: 00000246
+[  576.965079][    C0] RAX: 0000000000000001 RBX: ffff8880188a08c0 RCX: dffffc0000000000
+[  576.966689][    C0] RDX: ffffc90010fbf000 RSI: 000000000003ffff RDI: 0000000000000001
+[  576.968274][    C0] RBP: ffffc9000977fc50 R08: 00007f80d799cb70 R09: 000000001c000004
+[  576.969887][    C0] R10: 00007f80d7914e00 R11: 0000000000000000 R12: 1ffff1100311419c
+[  576.971479][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000021
+[  576.973091][    C0] FS:  00007f80d87e96c0(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000
+[  576.974903][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  576.976220][    C0] CR2: 000000110c348fee CR3: 0000000015a8c000 CR4: 0000000000750ef0
+[  576.977834][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[  576.979414][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[  576.981022][    C0] PKRU: 55555554
+[  576.981763][    C0] Call Trace:
+[  576.982432][    C0]  <IRQ>
+[  576.983017][    C0]  ? show_regs+0x5d/0x70
+[  576.983893][    C0]  ? dump_cpu_task+0x40/0x70
+[  576.984848][    C0]  ? rcu_check_gp_kthread_starvation+0x271/0x300
+[  576.986145][    C0]  ? print_other_cpu_stall+0x118e/0x1380
+[  576.987291][    C0]  ? __pfx_print_other_cpu_stall+0x10/0x10
+[  576.988466][    C0]  ? __pfx_cgroup_rstat_updated+0x10/0x10
+[  576.989628][    C0]  ? __kasan_check_write+0x18/0x20
+[  576.990674][    C0]  ? _raw_spin_lock_irqsave+0xfd/0x220
+[  576.991804][    C0]  ? rcu_sched_clock_irq+0x987/0x1120
+[  576.992900][    C0]  ? __pfx_rcu_sched_clock_irq+0x10/0x10
+[  576.994055][    C0]  ? debug_smp_processor_id+0x1b/0x30
+[  576.995141][    C0]  ? hrtimer_run_queues+0x17f/0x440
+[  576.996208][    C0]  ? update_process_times+0x1cd/0x240
+[  576.997302][    C0]  ? tick_nohz_handler+0x351/0x4d0
+[  576.998363][    C0]  ? __pfx_tick_nohz_handler+0x10/0x10
+[  576.999503][    C0]  ? __hrtimer_run_queues+0x412/0xb40
+[  577.000619][    C0]  ? __pfx___hrtimer_run_queues+0x10/0x10
+[  577.001799][    C0]  ? read_tsc+0xd/0x20
+[  577.002637][    C0]  ? ktime_get_update_offsets_now+0x3f4/0x410
+[  577.003867][    C0]  ? hrtimer_interrupt+0x3b0/0x8a0
+[  577.004905][    C0]  ? __sysvec_apic_timer_interrupt+0xc1/0x2f0
+[  577.006169][    C0]  ? sysvec_apic_timer_interrupt+0xaf/0xd0
+[  577.007355][    C0]  </IRQ>
+[  577.007959][    C0]  <TASK>
+[  577.008557][    C0]  ? asm_sysvec_apic_timer_interrupt+0x1f/0x30
+[  577.009819][    C0]  ? _raw_spin_unlock_irq+0x4c/0x70
+[  577.010909][    C0]  ? _raw_spin_unlock_irq+0x45/0x70
+[  577.011977][    C0]  get_signal+0x131d/0x1650
+[  577.012914][    C0]  ? __pfx_get_signal+0x10/0x10
+[  577.013912][    C0]  arch_do_signal_or_restart+0x96/0x840
+[  577.015041][    C0]  ? __pfx_arch_do_signal_or_restart+0x10/0x10
+[  577.016285][    C0]  ? __pfx___do_sys_rt_sigreturn+0x10/0x10
+[  577.017466][    C0]  syscall_exit_to_user_mode+0x66/0x240
+[  577.018596][    C0]  do_syscall_64+0xf0/0x230
+[  577.019519][    C0]  ? clear_bhb_loop+0x25/0x80
+[  577.020474][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
+[  577.021666][    C0] RIP: 0033:0x7f80d7976b47
+[  577.022593][    C0] Code: ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c7 c1 b0 ff ff ff f7 d8 64 89
+[  577.026470][    C0] RSP: 002b:00007f80d87e9058 EFLAGS: 00000246
+[  577.027698][    C0] RAX: 000000000000012b RBX: 00007f80d7b03f60 RCX: 00007f80d7976b49
+[  577.029284][    C0] RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
+[  577.030873][    C0] RBP: 00007f80d79ea084 R08: 0000000000000000 R09: 0000000000000000
+[  577.032474][    C0] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
+[  577.034109][    C0] R13: 000000000000000b R14: 00007f80d7b03f60 R15: 00007fff80b37638
+[  577.035711][    C0]  </TASK>
+
diff --git a/pkg/report/testdata/linux/report/720 b/pkg/report/testdata/linux/report/720
new file mode 100644
index 000000000..782c4682a
--- /dev/null
+++ b/pkg/report/testdata/linux/report/720
@@ -0,0 +1,214 @@
+TITLE: INFO: rcu detected stall in corrupted
+ALT: stall in corrupted
+TYPE: HANG
+CORRUPTED: Y
+
+[  204.021600][    C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
+[  204.023224][    C1] rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P9294/1:b..l
+[  204.025087][    C1] rcu: 	(detected by 1, t=10002 jiffies, g=13073, q=1262 ncpus=2)
+[  204.026704][    C1] task:syz-executor    state:R  running task     stack:20832 pid:9294  tgid:9294  ppid:9284   flags:0x00004002
+[  204.030279][    C1] Call Trace:
+[  204.031560][    C1]  <TASK>
+[  204.032216][    C1]  __schedule+0x1335/0x44b0
+[  204.033238][    C1]  ? __kasan_check_write+0x18/0x20
+[  204.034248][    C1]  ? _raw_spin_lock_irqsave+0xfd/0x220
+[  204.035104][    C1]  ? __pfx___schedule+0x10/0x10
+[  204.035894][    C1]  ? prb_read_valid+0xa8/0xf0
+[  204.036659][    C1]  ? __pfx_prb_read_valid+0x10/0x10
+[  204.037577][    C1]  ? preempt_schedule+0xe2/0xf0
+[  204.038603][    C1]  preempt_schedule_common+0x9c/0xe0
+[  204.039727][    C1]  preempt_schedule+0xe2/0xf0
+[  204.040758][    C1]  ? __pfx_preempt_schedule+0x10/0x10
+[  204.041911][    C1]  ? console_trylock+0x21c/0x2e0
+[  204.042759][    C1]  ? __pfx_console_trylock+0x10/0x10
+[  204.043649][    C1]  preempt_schedule_thunk+0x1a/0x30
+[  204.044526][    C1]  ? vprintk_emit+0x540/0x5e0
+[  204.045309][    C1]  vprintk_emit+0x545/0x5e0
+[  204.046099][    C1]  ? __pfx_vprintk_emit+0x10/0x10
+[  204.046900][    C1]  ? __pfx_snprintf+0x10/0x10
+[  204.047702][    C1]  ? __kasan_check_read+0x15/0x20
+[  204.048635][    C1]  ? read_word_at_a_time+0x12/0x20
+[  204.049461][    C1]  ? sized_strscpy+0x91/0x260
+[  204.050244][    C1]  dev_vprintk_emit+0x2cf/0x350
+[  204.051058][    C1]  ? __pfx_dev_vprintk_emit+0x10/0x10
+[  204.051948][    C1]  ? __kasan_check_write+0x18/0x20
+[  204.052795][    C1]  ? _raw_spin_lock+0xa9/0x1b0
+[  204.053522][    C1]  dev_printk_emit+0xe1/0x130
+[  204.054354][    C1]  ? __local_bh_enable_ip+0x5c/0x90
+[  204.055335][    C1]  ? udp_lib_get_port+0x15df/0x1a70
+[  204.056254][    C1]  ? netlink_unicast+0x934/0xaf0
+[  204.057087][    C1]  ? __pfx_dev_printk_emit+0x10/0x10
+[  204.058004][    C1]  ? ip4_datagram_release_cb+0x937/0xe80
+[  204.059101][    C1]  __netdev_printk+0x3f1/0x4f0
+[  204.059958][    C1]  netdev_info+0x124/0x180
+[  204.060712][    C1]  ? __pfx_netdev_info+0x10/0x10
+[  204.061507][    C1]  ? _raw_spin_unlock_bh+0x54/0x60
+[  204.062333][    C1]  ? release_sock+0x17a/0x1f0
+[  204.063107][    C1]  ? __inet_bind+0x459/0xbd0
+[  204.063856][    C1]  nsim_udp_tunnel_set_port+0x2a8/0x460
+[  204.064715][    C1]  __udp_tunnel_nic_device_sync+0x9fc/0x1310
+[  204.065658][    C1]  ? __pfx___udp_tunnel_nic_device_sync+0x10/0x10
+[  204.066681][    C1]  __udp_tunnel_nic_add_port+0xabe/0xd30
+[  204.067610][    C1]  udp_tunnel_notify_add_rx_port+0x242/0x370
+[  204.068695][    C1]  ? __pfx_udp_tunnel_notify_add_rx_port+0x10/0x10
+[  204.069951][    C1]  geneve_sock_add+0x617/0xbb0
+[  204.070823][    C1]  ? __pfx_geneve_sock_add+0x10/0x10
+[  204.071830][    C1]  ? hsr_netdev_notify+0x210/0xab0
+[  204.072694][    C1]  ? ip6_route_dev_notify+0x9d/0x850
+[  204.073545][    C1]  ? ndisc_netdev_event+0x320/0x660
+[  204.074392][    C1]  ? __pfx_geneve_netdevice_event+0x10/0x10
+[  204.075385][    C1]  ? __pfx_ip6_route_dev_notify+0x10/0x10
+[  204.076369][    C1]  ? notifier_call_chain+0x327/0x340
+[  204.077283][    C1]  geneve_open+0xee/0x170
+[  204.078149][    C1]  __dev_open+0x2f8/0x470
+[  204.079082][    C1]  ? __pfx___dev_open+0x10/0x10
+[  204.080007][    C1]  ? _raw_spin_unlock_bh+0x54/0x60
+[  204.080859][    C1]  ? dev_set_rx_mode+0x24e/0x2e0
+[  204.081921][    C1]  ? __kasan_check_read+0x15/0x20
+[  204.082982][    C1]  __dev_change_flags+0x1f1/0x700
+[  204.083954][    C1]  ? __pfx___dev_change_flags+0x10/0x10
+[  204.084859][    C1]  ? debug_smp_processor_id+0x1b/0x30
+[  204.085771][    C1]  dev_change_flags+0x90/0x1b0
+[  204.086721][    C1]  do_setlink+0xd6e/0x4450
+[  204.087559][    C1]  ? __pfx_stack_trace_save+0x10/0x10
+[  204.088497][    C1]  ? stack_depot_save_flags+0x2b/0x740
+[  204.089402][    C1]  ? __pfx_do_setlink+0x10/0x10
+[  204.090219][    C1]  ? __nla_validate_parse+0x2629/0x2ff0
+[  204.091157][    C1]  ? netlink_unicast+0x934/0xaf0
+[  204.091988][    C1]  ? do_syscall_64+0xe3/0x230
+[  204.092786][    C1]  ? __pfx___nla_validate_parse+0x10/0x10
+[  204.093723][    C1]  ? kasan_save_alloc_info+0x3a/0x50
+[  204.094616][    C1]  rtnl_newlink+0x1890/0x21a0
+[  204.095413][    C1]  ? rtnl_newlink+0x501/0x21a0
+[  204.096205][    C1]  ? __pfx_rtnl_newlink+0x10/0x10
+[  204.097078][    C1]  ? __kasan_check_write+0x18/0x20
+[  204.098079][    C1]  ? aa_get_newest_label+0x100/0x4f0
+[  204.098921][    C1]  ? kasan_save_track+0x3f/0x80
+[  204.099688][    C1]  ? kasan_save_free_info+0x44/0x50
+[  204.100510][    C1]  ? __kasan_slab_free+0x3b/0x60
+[  204.101359][    C1]  ? __pfx_aa_get_newest_label+0x10/0x10
+[  204.102306][    C1]  ? nlmon_xmit+0xbe/0x110
+[  204.103027][    C1]  ? __sock_sendmsg+0x23f/0x290
+[  204.103833][    C1]  ? __sys_sendto+0x486/0x630
+[  204.104579][    C1]  ? __x64_sys_sendto+0xe9/0x100
+[  204.105381][    C1]  ? __mutex_lock_slowpath+0xe/0x20
+[  204.106237][    C1]  ? __pfx_mutex_lock+0x10/0x10
+[  204.107094][    C1]  ? ns_capable+0x91/0xf0
+[  204.107888][    C1]  ? netlink_net_capable+0x129/0x160
+[  204.109024][    C1]  ? __pfx_rtnl_newlink+0x10/0x10
+[  204.110021][    C1]  rtnetlink_rcv_msg+0xa48/0xf30
+[  204.110886][    C1]  ? __pfx_rtnetlink_rcv_msg+0x10/0x10
+[  204.111741][    C1]  ? kfree_skbmem+0x14a/0x1c0
+[  204.112537][    C1]  ? __kasan_slab_free+0x4e/0x60
+[  204.113398][    C1]  ? kmem_cache_free+0x109/0x2f0
+[  204.114229][    C1]  ? kfree_skbmem+0x14a/0x1c0
+[  204.115106][    C1]  ? consume_skb+0xc2/0x2a0
+[  204.116053][    C1]  ? __kasan_check_read+0x15/0x20
+[  204.116969][    C1]  ? dev_hard_start_xmit+0x657/0x6c0
+[  204.117946][    C1]  ? __local_bh_enable_ip+0x5c/0x90
+[  204.119065][    C1]  ? __dev_queue_xmit+0x151c/0x3850
+[  204.120123][    C1]  ? __dev_queue_xmit+0x2cb/0x3850
+[  204.120937][    C1]  netlink_rcv_skb+0x1f4/0x440
+[  204.121837][    C1]  ? __pfx_rtnetlink_rcv_msg+0x10/0x10
+[  204.122933][    C1]  ? __pfx_netlink_rcv_skb+0x10/0x10
+[  204.123962][    C1]  ? __kasan_check_write+0x18/0x20
+[  204.124770][    C1]  ? __netlink_deliver_tap+0x760/0x7a0
+[  204.125631][    C1]  ? __kasan_check_write+0x18/0x20
+[  204.126577][    C1]  rtnetlink_rcv+0x20/0x30
+[  204.127273][    C1]  netlink_unicast+0x934/0xaf0
+[  204.128024][    C1]  ? __pfx_netlink_unicast+0x10/0x10
+[  204.128902][    C1]  ? __virt_addr_valid+0x279/0x340
+[  204.129825][    C1]  ? __phys_addr_symbol+0x33/0x80
+[  204.130704][    C1]  ? bpf_lsm_netlink_send+0xd/0x20
+[  204.131559][    C1]  ? security_netlink_send+0x85/0xb0
+[  204.132504][    C1]  netlink_sendmsg+0x879/0xc60
+[  204.133492][    C1]  ? __pfx_netlink_sendmsg+0x10/0x10
+[  204.134513][    C1]  ? aa_sock_msg_perm+0xbe/0x160
+[  204.135501][    C1]  ? apparmor_socket_sendmsg+0x2d/0x40
+[  204.136651][    C1]  ? security_socket_sendmsg+0x8c/0xb0
+[  204.137695][    C1]  ? __pfx_netlink_sendmsg+0x10/0x10
+[  204.138570][    C1]  __sock_sendmsg+0x23f/0x290
+[  204.139333][    C1]  __sys_sendto+0x486/0x630
+[  204.140056][    C1]  ? __pfx___sys_sendto+0x10/0x10
+[  204.141056][    C1]  __x64_sys_sendto+0xe9/0x100
+[  204.142034][    C1]  x64_sys_call+0x172b/0x2e60
+[  204.142918][    C1]  do_syscall_64+0xe3/0x230
+[  204.143625][    C1]  ? clear_bhb_loop+0x25/0x80
+[  204.144365][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
+[  204.145278][    C1] RIP: 0033:0x7f5079f7892c
+[  204.145988][    C1] RSP: 002b:00007ffe15b4ecf0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
+[  204.147299][    C1] RAX: ffffffffffffffda RBX: 00007f507ac34620 RCX: 00007f5079f7892c
+[  204.148893][    C1] RDX: 000000000000002c RSI: 00007f507ac34670 RDI: 0000000000000003
+[  204.150255][    C1] RBP: 0000000000000000 R08: 00007ffe15b4ed44 R09: 000000000000000c
+[  204.151564][    C1] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
+[  204.153019][    C1] R13: 0000000000000000 R14: 00007f507ac34670 R15: 0000000000000000
+[  204.154494][    C1]  </TASK>
+[  204.155048][    C1] rcu: rcu_preempt kthread starved for 10005 jiffies! g13073 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
+[  204.157285][    C1] rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
+[  204.159270][    C1] rcu: RCU grace-period kthread stack dump:
+[  204.160437][    C1] task:rcu_preempt     state:R  running task     stack:27720 pid:17    tgid:17    ppid:2      flags:0x00004000
+[  204.162791][    C1] Call Trace:
+[  204.163443][    C1]  <TASK>
+[  204.164040][    C1]  __schedule+0x1335/0x44b0
+[  204.164938][    C1]  ? __kasan_check_write+0x18/0x20
+[  204.165990][    C1]  ? __mod_timer+0xa6f/0x10a0
+[  204.166958][    C1]  ? __pfx___schedule+0x10/0x10
+[  204.167987][    C1]  ? __pfx___try_to_del_timer_sync+0x10/0x10
+[  204.169175][    C1]  schedule+0xc9/0x240
+[  204.170028][    C1]  schedule_timeout+0x1ad/0x3c0
+[  204.171041][    C1]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
+[  204.172315][    C1]  ? __pfx_schedule_timeout+0x10/0x10
+[  204.173391][    C1]  ? __pfx_process_timeout+0x10/0x10
+[  204.174583][    C1]  ? prepare_to_swait_event+0x310/0x330
+[  204.175727][    C1]  rcu_gp_fqs_loop+0x2da/0x1200
+[  204.176702][    C1]  ? __pfx_rcu_implicit_dynticks_qs+0x10/0x10
+[  204.177631][    C1]  ? __pfx_rcu_gp_fqs_loop+0x10/0x10
+[  204.178586][    C1]  ? finish_swait+0x17f/0x1c0
+[  204.179563][    C1]  rcu_gp_kthread+0xa4/0x3a0
+[  204.180305][    C1]  ? __pfx_rcu_gp_kthread+0x10/0x10
+[  204.181222][    C1]  ? __kasan_check_read+0x15/0x20
+[  204.182266][    C1]  ? __kthread_parkme+0x12f/0x180
+[  204.183188][    C1]  kthread+0x2d8/0x370
+[  204.183840][    C1]  ? __pfx_rcu_gp_kthread+0x10/0x10
+[  204.184685][    C1]  ? __pfx_kthread+0x10/0x10
+[  204.185468][    C1]  ret_from_fork+0x56/0x90
+[  204.186310][    C1]  ? __pfx_kthread+0x10/0x10
+[  204.187187][    C1]  ret_from_fork_asm+0x1a/0x30
+[  204.188077][    C1]  </TASK>
+[  204.188695][    C1] rcu: Stack dump where RCU GP kthread last ran:
+[  204.189690][    C1] Sending NMI from CPU 1 to CPUs 0:
+[  204.190546][    C0] NMI backtrace for cpu 0
+[  204.190564][    C0] CPU: 0 PID: 9452 Comm: syz.2.737 Not tainted 6.10.0-rc5-00257-g88d8f64b9f5f-dirty #20
+[  204.190579][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
+[  204.190587][    C0] RIP: 0010:common_interrupt_return+0x1a/0xcc
+[  204.190616][    C0] Code: ac 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 66 90 b9 48 00 00 00 65 48 8b 15 31 62 62 74 83 e2 fe 89 d0 48 c1 ea 20 0f 30 <eb> 35 cc cc cc 41 5f 41 5e 41 5d 41 5c 5d 5b 41 5b 41 5a 41 59 41
+[  204.190628][    C0] RSP: 0018:ffffc90001fbff58 EFLAGS: 00000046
+[  204.190639][    C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000048
+[  204.190647][    C0] RDX: 0000000000000000 RSI: 000000000003ffff RDI: 0000000000040000
+[  204.190654][    C0] RBP: 0000000000000000 R08: ffff8880144c9a47 R09: 1ffff11002899348
+[  204.190662][    C0] R10: dffffc0000000000 R11: ffffed1002899349 R12: 0000000000000000
+[  204.190671][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
+[  204.190678][    C0] FS:  00007fcb36cc96c0(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000
+[  204.190688][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
+[  204.190697][    C0] CR2: 00007f7941fbad58 CR3: 0000000020a86000 CR4: 0000000000752ef0
+[  204.190707][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
+[  204.190714][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
+[  204.190721][    C0] PKRU: 55555554
+[  204.190725][    C0] Call Trace:
+[  204.190729][    C0]  <NMI>
+[  204.190734][    C0]  ? show_regs+0x5d/0x70
+[  204.190748][    C0]  ? nmi_cpu_backtrace+0x3b5/0x4c0
+[  204.190768][    C0]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
+[  204.190786][    C0]  ? kvm_sched_clock_read+0x15/0x30
+[  204.190800][    C0]  ? nmi_cpu_backtrace_handler+0x10/0x20
+[  204.190820][    C0]  ? nmi_handle+0xae/0x3b0
+[  204.190835][    C0]  ? common_interrupt_return+0x1a/0xcc
+[  204.190850][    C0]  ? default_do_nmi+0x68/0x170
+[  204.190868][    C0]  ? exc_nmi+0x12d/0x200
+[  204.190885][    C0]  ? end_repeat_nmi+0xf/0x53
+[  204.190902][    C0]  ? common_interrupt_return+0x1a/0xcc
+[  204.190918][    C0]  ? common_interrupt_return+0x1a/0xcc
+[  204.190934][    C0]  ? common_interrupt_return+0x1a/0xcc
+[  204.190950][    C0]  </NMI>
+[  204.190953][    C0]  <TASK>
+[  204.190959][    C0]  </TASK>