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pkg/report: ignore more of panic-related frames #5916

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4 changes: 4 additions & 0 deletions pkg/report/linux.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1338,6 +1338,10 @@ var linuxStackParams = &stackParams{
"__timer_delete_sync",
"sk_stop_timer_sync",
"__mod_timer",
"__show_regs",
"show_trace_log_lvl",
"sched_show_task",
"show_state_filter",
},
corruptedLines: []*regexp.Regexp{
// Fault injection stacks are frequently intermixed with crash reports.
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159 changes: 159 additions & 0 deletions pkg/report/testdata/linux/report/738
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Original file line number Diff line number Diff line change
@@ -0,0 +1,159 @@
TITLE: KASAN: stack-out-of-bounds Read in k_spec
ALT: bad-access in k_spec
TYPE: KASAN

[ 1498.039807][ C1] ==================================================================
[ 1498.039823][ C1] BUG: KASAN: stack-out-of-bounds in __show_regs+0x740/0x750
[ 1498.039880][ C1] Read of size 8 at addr ffffc900047cfb48 by task kworker/1:3/5221
[ 1498.039913][ C1]
[ 1498.039939][ C1] CPU: 1 UID: 0 PID: 5221 Comm: kworker/1:3 Not tainted 6.14.0-rc6-syzkaller-ged492c95f13a #0
[ 1498.039982][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 1498.040009][ C1] Workqueue: events legacy_dvb_usb_read_remote_control
[ 1498.040055][ C1] Call Trace:
[ 1498.040068][ C1] <IRQ>
[ 1498.040082][ C1] dump_stack_lvl+0x116/0x1f0
[ 1498.040121][ C1] print_report+0xc3/0x670
[ 1498.040161][ C1] ? __virt_addr_valid+0x5e/0x590
[ 1498.040208][ C1] kasan_report+0xd9/0x110
[ 1498.040247][ C1] ? __show_regs+0x740/0x750
[ 1498.040292][ C1] ? __show_regs+0x740/0x750
[ 1498.040340][ C1] __show_regs+0x740/0x750
[ 1498.040379][ C1] ? asm_exc_page_fault+0x26/0x30
[ 1498.040429][ C1] ? asm_exc_page_fault+0x26/0x30
[ 1498.040478][ C1] show_trace_log_lvl+0x26c/0x3d0
[ 1498.040545][ C1] ? rep_stos_alternative+0x40/0x80
[ 1498.040593][ C1] sched_show_task+0x424/0x630
[ 1498.040652][ C1] ? trace_lock_acquire+0x14e/0x1f0
[ 1498.040706][ C1] ? __pfx_sched_show_task+0x10/0x10
[ 1498.040763][ C1] ? show_state_filter+0x28/0x320
[ 1498.040814][ C1] show_state_filter+0xee/0x320
[ 1498.040872][ C1] k_spec+0xed/0x150
[ 1498.040916][ C1] ? __pfx_k_spec+0x10/0x10
[ 1498.040957][ C1] kbd_event+0xcbd/0x17a0
[ 1498.041006][ C1] ? __pfx_kbd_event+0x10/0x10
[ 1498.041056][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1498.041093][ C1] ? rcu_is_watching+0x12/0xc0
[ 1498.041146][ C1] input_handle_events_default+0x116/0x1b0
[ 1498.041193][ C1] input_pass_values+0x6c4/0x890
[ 1498.041248][ C1] input_handle_event+0xb30/0x14d0
[ 1498.041305][ C1] input_event+0x83/0xb0
[ 1498.041357][ C1] hidinput_hid_event+0x1d57/0x2410
[ 1498.041402][ C1] ? __pfx_hidinput_hid_event+0x10/0x10
[ 1498.041443][ C1] ? input_event+0x98/0xb0
[ 1498.041498][ C1] hid_process_event+0x4b7/0x5e0
[ 1498.041554][ C1] ? __pfx_hidinput_hid_event+0x10/0x10
[ 1498.041595][ C1] ? do_raw_spin_unlock+0x172/0x230
[ 1498.041646][ C1] hid_input_array_field+0x535/0x710
[ 1498.041712][ C1] hid_report_raw_event+0xabc/0x1280
[ 1498.041772][ C1] ? lock_acquire.part.0+0x337/0x380
[ 1498.041816][ C1] __hid_input_report.constprop.0+0x341/0x440
[ 1498.041893][ C1] hid_irq_in+0x35e/0x870
[ 1498.041945][ C1] __usb_hcd_giveback_urb+0x389/0x6e0
[ 1498.042003][ C1] usb_hcd_giveback_urb+0x396/0x450
[ 1498.042061][ C1] dummy_timer+0x17f7/0x3960
[ 1498.042127][ C1] ? debug_object_deactivate+0x13b/0x370
[ 1498.042185][ C1] ? find_held_lock+0x2d/0x110
[ 1498.042241][ C1] ? __pfx_dummy_timer+0x10/0x10
[ 1498.042297][ C1] ? mark_held_locks+0x9f/0xe0
[ 1498.042334][ C1] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 1498.042386][ C1] ? __pfx_dummy_timer+0x10/0x10
[ 1498.042439][ C1] __hrtimer_run_queues+0x20a/0xae0
[ 1498.042489][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10
[ 1498.042533][ C1] ? read_tsc+0x9/0x20
[ 1498.042584][ C1] hrtimer_run_softirq+0x17d/0x350
[ 1498.042629][ C1] handle_softirqs+0x206/0x8d0
[ 1498.042677][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 1498.042724][ C1] __irq_exit_rcu+0xfa/0x160
[ 1498.042766][ C1] irq_exit_rcu+0x9/0x30
[ 1498.042809][ C1] sysvec_apic_timer_interrupt+0x90/0xb0
[ 1498.042859][ C1] </IRQ>
[ 1498.042880][ C1] <TASK>
[ 1498.042893][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1498.042946][ C1] RIP: 0010:console_flush_all+0x9a4/0xc60
[ 1498.042999][ C1] Code: 00 e8 f0 ae 27 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 ee fb 1f 00 48 85 db 0f 85 55 01 00 00 e8 b0 00 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 a5 1a 7a
[ 1498.043040][ C1] RSP: 0018:ffffc90001fef868 EFLAGS: 00000293
[ 1498.043072][ C1] RAX: ffffffff893ac7b8 RBX: 0000000000000000 RCX: ffffffff815b5232
[ 1498.043107][ C1] RDX: ffff88810a738000 RSI: ffffffff815b5240 RDI: 0000000000000007
[ 1498.043133][ C1] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 1498.043170][ C1] R10: 0000000000000000 R11: 0000000000000005 R12: ffffffff893ac7b8
[ 1498.043196][ C1] R13: ffffffff893ac760 R14: ffffc90001fef8f8 R15: dffffc0000000000
[ 1498.043230][ C1] ? console_flush_all+0x992/0xc60
[ 1498.043280][ C1] ? console_flush_all+0x9a0/0xc60
[ 1498.043332][ C1] ? console_flush_all+0x9a0/0xc60
[ 1498.043386][ C1] ? __pfx_console_flush_all+0x10/0x10
[ 1498.043446][ C1] ? __pfx_mark_lock+0x10/0x10
[ 1498.043514][ C1] ? is_printk_cpu_sync_owner+0x32/0x40
[ 1498.043573][ C1] console_unlock+0xd9/0x210
[ 1498.043617][ C1] ? __pfx_console_unlock+0x10/0x10
[ 1498.043668][ C1] ? lock_acquire+0x2f/0xb0
[ 1498.043699][ C1] ? vprintk_emit+0x638/0x6f0
[ 1498.043746][ C1] vprintk_emit+0x424/0x6f0
[ 1498.043793][ C1] ? __pfx_vprintk_emit+0x10/0x10
[ 1498.043843][ C1] ? mark_held_locks+0x9f/0xe0
[ 1498.043888][ C1] ? kasan_quarantine_put+0x10a/0x240
[ 1498.043954][ C1] _printk+0xc8/0x100
[ 1498.043989][ C1] ? __pfx__printk+0x10/0x10
[ 1498.044031][ C1] ? legacy_dvb_usb_read_remote_control+0x401/0x500
[ 1498.044078][ C1] ? legacy_dvb_usb_read_remote_control+0x119/0x500
[ 1498.044126][ C1] legacy_dvb_usb_read_remote_control+0x40d/0x500
[ 1498.044171][ C1] ? rcu_is_watching+0x12/0xc0
[ 1498.044229][ C1] ? __pfx_legacy_dvb_usb_read_remote_control+0x10/0x10
[ 1498.044277][ C1] ? lock_acquire+0x2f/0xb0
[ 1498.044311][ C1] ? process_one_work+0x921/0x1ba0
[ 1498.044376][ C1] process_one_work+0x9c5/0x1ba0
[ 1498.044444][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1498.044484][ C1] ? __pfx_process_one_work+0x10/0x10
[ 1498.044552][ C1] ? assign_work+0x1a0/0x250
[ 1498.044611][ C1] worker_thread+0x6c8/0xf00
[ 1498.044652][ C1] ? __pfx_worker_thread+0x10/0x10
[ 1498.044716][ C1] kthread+0x3af/0x750
[ 1498.044774][ C1] ? __pfx_kthread+0x10/0x10
[ 1498.044831][ C1] ? lock_acquire+0x2f/0xb0
[ 1498.044877][ C1] ? __pfx_kthread+0x10/0x10
[ 1498.044935][ C1] ret_from_fork+0x45/0x80
[ 1498.044993][ C1] ? __pfx_kthread+0x10/0x10
[ 1498.045051][ C1] ret_from_fork_asm+0x1a/0x30
[ 1498.045111][ C1] </TASK>
[ 1498.045125][ C1]
[ 1498.045140][ C1] The buggy address belongs to the virtual mapping at
[ 1498.045140][ C1] [ffffc900047c8000, ffffc900047d1000) created by:
[ 1498.045140][ C1] kernel_clone+0xfd/0x960
[ 1498.045207][ C1]
[ 1498.045217][ C1] The buggy address belongs to the physical page:
[ 1498.045245][ C1] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888100000000 pfn:0x10a7f9
[ 1498.045282][ C1] flags: 0x200000000000000(node=0|zone=2)
[ 1498.045332][ C1] raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000
[ 1498.045368][ C1] raw: ffff888100000000 0000000000000000 00000001ffffffff 0000000000000000
[ 1498.045391][ C1] page dumped because: kasan: bad access detected
[ 1498.045416][ C1] page_owner tracks the page as allocated
[ 1498.045430][ C1] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 17157, tgid 17157 (syz.5.2879), ts 1474801571482, free_ts 1474795057571
[ 1498.045495][ C1] post_alloc_hook+0x181/0x1b0
[ 1498.045538][ C1] get_page_from_freelist+0xe76/0x2b90
[ 1498.045584][ C1] __alloc_frozen_pages_noprof+0x21c/0x2290
[ 1498.045634][ C1] alloc_pages_mpol+0xe7/0x410
[ 1498.045687][ C1] alloc_pages_noprof+0x131/0x390
[ 1498.045731][ C1] __vmalloc_node_range_noprof+0x721/0x1530
[ 1498.045772][ C1] copy_process+0x2e2d/0x8bd0
[ 1498.045818][ C1] kernel_clone+0xfd/0x960
[ 1498.045871][ C1] __do_sys_clone3+0x214/0x290
[ 1498.045919][ C1] do_syscall_64+0xcd/0x250
[ 1498.045952][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1498.046001][ C1] page last free pid 9287 tgid 9287 stack trace:
[ 1498.046023][ C1] free_frozen_pages+0x653/0xde0
[ 1498.046067][ C1] tlb_remove_table_rcu+0x116/0x1a0
[ 1498.046113][ C1] rcu_core+0x79d/0x14d0
[ 1498.046145][ C1] handle_softirqs+0x206/0x8d0
[ 1498.046182][ C1] __irq_exit_rcu+0xfa/0x160
[ 1498.046220][ C1] irq_exit_rcu+0x9/0x30
[ 1498.046261][ C1] sysvec_apic_timer_interrupt+0x90/0xb0
[ 1498.046313][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1498.046366][ C1]
[ 1498.046375][ C1] Memory state around the buggy address:
[ 1498.046395][ C1] ffffc900047cfa00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1498.046423][ C1] ffffc900047cfa80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1498.046452][ C1] >ffffc900047cfb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1498.046475][ C1] ^
[ 1498.046497][ C1] ffffc900047cfb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1498.046525][ C1] ffffc900047cfc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1498.046547][ C1] ==================================================================
[ 1498.046568][ C1] Kernel panic - not syncing: KASAN: panic_on_warn set ...