Hay
Date
July 2, 2025, 11:10 a.m.

Environment
qemu-arm64
qemu-x86_64

[   33.117068] ==================================================================
[   33.117196] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x238/0x270
[   33.117281] Read of size 1 at addr ffff800080ac7c2a by task kunit_try_catch/282
[   33.117336] 
[   33.117370] CPU: 1 UID: 0 PID: 282 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4-next-20250702 #1 PREEMPT 
[   33.117529] Tainted: [B]=BAD_PAGE, [N]=TEST
[   33.117587] Hardware name: linux,dummy-virt (DT)
[   33.117624] Call trace:
[   33.117738]  show_stack+0x20/0x38 (C)
[   33.117801]  dump_stack_lvl+0x8c/0xd0
[   33.117943]  print_report+0x310/0x608
[   33.118004]  kasan_report+0xdc/0x128
[   33.118073]  __asan_report_load1_noabort+0x20/0x30
[   33.118224]  kasan_stack_oob+0x238/0x270
[   33.118276]  kunit_try_run_case+0x170/0x3f0
[   33.118331]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   33.118388]  kthread+0x328/0x630
[   33.118434]  ret_from_fork+0x10/0x20
[   33.118486] 
[   33.118566] The buggy address belongs to stack of task kunit_try_catch/282
[   33.118676]  and is located at offset 138 in frame:
[   33.118725]  kasan_stack_oob+0x0/0x270
[   33.118848] 
[   33.118897] This frame has 4 objects:
[   33.119018]  [48, 49) '__assertion'
[   33.119060]  [64, 72) 'array'
[   33.119096]  [96, 112) '__assertion'
[   33.119140]  [128, 138) 'stack_array'
[   33.119183] 
[   33.119234] The buggy address belongs to the virtual mapping at
[   33.119234]  [ffff800080ac0000, ffff800080ac9000) created by:
[   33.119234]  kernel_clone+0x150/0x7a8
[   33.119318] 
[   33.119343] The buggy address belongs to the physical page:
[   33.119387] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109abc
[   33.119444] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   33.119510] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   33.119604] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   33.119651] page dumped because: kasan: bad access detected
[   33.119688] 
[   33.119711] Memory state around the buggy address:
[   33.119745]  ffff800080ac7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   33.119900]  ffff800080ac7b80: 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2
[   33.120057] >ffff800080ac7c00: 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00 00 00
[   33.120102]                                   ^
[   33.120139]  ffff800080ac7c80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 f2 f2
[   33.120184]  ffff800080ac7d00: 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00
[   33.120226] ==================================================================

[   24.899888] ==================================================================
[   24.901253] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300
[   24.902060] Read of size 1 at addr ffff8881061e7d02 by task kunit_try_catch/297
[   24.903101] 
[   24.903299] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) 
[   24.903364] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.903378] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.903401] Call Trace:
[   24.903415]  <TASK>
[   24.903433]  dump_stack_lvl+0x73/0xb0
[   24.903463]  print_report+0xd1/0x650
[   24.903615]  ? __virt_addr_valid+0x1db/0x2d0
[   24.903646]  ? kasan_stack_oob+0x2b5/0x300
[   24.903669]  ? kasan_addr_to_slab+0x11/0xa0
[   24.903745]  ? kasan_stack_oob+0x2b5/0x300
[   24.903770]  kasan_report+0x141/0x180
[   24.903793]  ? kasan_stack_oob+0x2b5/0x300
[   24.903821]  __asan_report_load1_noabort+0x18/0x20
[   24.903846]  kasan_stack_oob+0x2b5/0x300
[   24.903870]  ? __pfx_kasan_stack_oob+0x10/0x10
[   24.903893]  ? sysvec_apic_timer_interrupt+0x50/0x90
[   24.903923]  ? __pfx_kasan_stack_oob+0x10/0x10
[   24.903950]  kunit_try_run_case+0x1a5/0x480
[   24.903976]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.903999]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   24.904022]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   24.904044]  ? __kthread_parkme+0x82/0x180
[   24.904064]  ? preempt_count_sub+0x50/0x80
[   24.904088]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.904113]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.904137]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   24.904162]  kthread+0x337/0x6f0
[   24.904182]  ? trace_preempt_on+0x20/0xc0
[   24.904205]  ? __pfx_kthread+0x10/0x10
[   24.904226]  ? _raw_spin_unlock_irq+0x47/0x80
[   24.904250]  ? calculate_sigpending+0x7b/0xa0
[   24.904273]  ? __pfx_kthread+0x10/0x10
[   24.904295]  ret_from_fork+0x116/0x1d0
[   24.904327]  ? __pfx_kthread+0x10/0x10
[   24.904347]  ret_from_fork_asm+0x1a/0x30
[   24.904378]  </TASK>
[   24.904391] 
[   24.915573] The buggy address belongs to stack of task kunit_try_catch/297
[   24.916220]  and is located at offset 138 in frame:
[   24.916464]  kasan_stack_oob+0x0/0x300
[   24.917256] 
[   24.917386] This frame has 4 objects:
[   24.917867]  [48, 49) '__assertion'
[   24.917901]  [64, 72) 'array'
[   24.918077]  [96, 112) '__assertion'
[   24.918241]  [128, 138) 'stack_array'
[   24.918795] 
[   24.919031] The buggy address belongs to the physical page:
[   24.919465] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1061e7
[   24.920011] flags: 0x200000000000000(node=0|zone=2)
[   24.920241] raw: 0200000000000000 ffffea00041879c8 ffffea00041879c8 0000000000000000
[   24.920604] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   24.921189] page dumped because: kasan: bad access detected
[   24.921445] 
[   24.921727] Memory state around the buggy address:
[   24.921961]  ffff8881061e7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1
[   24.922248]  ffff8881061e7c80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00
[   24.922795] >ffff8881061e7d00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1
[   24.923059]                    ^
[   24.923415]  ffff8881061e7d80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00
[   24.923887]  ffff8881061e7e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   24.924261] ==================================================================

[   25.143814] ==================================================================
[   25.144917] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2b5/0x300
[   25.145315] Read of size 1 at addr ffff8881061cfd02 by task kunit_try_catch/298
[   25.145619] 
[   25.145734] CPU: 1 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) 
[   25.145791] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.145804] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.145836] Call Trace:
[   25.145850]  <TASK>
[   25.145871]  dump_stack_lvl+0x73/0xb0
[   25.145904]  print_report+0xd1/0x650
[   25.145927]  ? __virt_addr_valid+0x1db/0x2d0
[   25.146045]  ? kasan_stack_oob+0x2b5/0x300
[   25.146082]  ? kasan_addr_to_slab+0x11/0xa0
[   25.146102]  ? kasan_stack_oob+0x2b5/0x300
[   25.146127]  kasan_report+0x141/0x180
[   25.146149]  ? kasan_stack_oob+0x2b5/0x300
[   25.146176]  __asan_report_load1_noabort+0x18/0x20
[   25.146201]  kasan_stack_oob+0x2b5/0x300
[   25.146225]  ? __pfx_kasan_stack_oob+0x10/0x10
[   25.146248]  ? finish_task_switch.isra.0+0x153/0x700
[   25.146273]  ? __switch_to+0x47/0xf50
[   25.146301]  ? __schedule+0x10cc/0x2b60
[   25.146368]  ? __pfx_read_tsc+0x10/0x10
[   25.146417]  ? ktime_get_ts64+0x86/0x230
[   25.146445]  kunit_try_run_case+0x1a5/0x480
[   25.146473]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.146497]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   25.146536]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   25.146558]  ? __kthread_parkme+0x82/0x180
[   25.146579]  ? preempt_count_sub+0x50/0x80
[   25.146603]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.146627]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.146652]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   25.146677]  kthread+0x337/0x6f0
[   25.146697]  ? trace_preempt_on+0x20/0xc0
[   25.146721]  ? __pfx_kthread+0x10/0x10
[   25.146742]  ? _raw_spin_unlock_irq+0x47/0x80
[   25.146769]  ? calculate_sigpending+0x7b/0xa0
[   25.146794]  ? __pfx_kthread+0x10/0x10
[   25.146816]  ret_from_fork+0x116/0x1d0
[   25.146836]  ? __pfx_kthread+0x10/0x10
[   25.146856]  ret_from_fork_asm+0x1a/0x30
[   25.146888]  </TASK>
[   25.146901] 
[   25.157942] The buggy address belongs to stack of task kunit_try_catch/298
[   25.158553]  and is located at offset 138 in frame:
[   25.158719]  kasan_stack_oob+0x0/0x300
[   25.159020] 
[   25.159313] This frame has 4 objects:
[   25.159777]  [48, 49) '__assertion'
[   25.159809]  [64, 72) 'array'
[   25.160242]  [96, 112) '__assertion'
[   25.160562]  [128, 138) 'stack_array'
[   25.160939] 
[   25.161554] The buggy address belongs to the physical page:
[   25.162091] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1061cf
[   25.162845] flags: 0x200000000000000(node=0|zone=2)
[   25.163069] raw: 0200000000000000 ffffea00041873c8 ffffea00041873c8 0000000000000000
[   25.163820] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   25.164424] page dumped because: kasan: bad access detected
[   25.164601] 
[   25.164666] Memory state around the buggy address:
[   25.164819]  ffff8881061cfc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1
[   25.165246]  ffff8881061cfc80: f1 f1 f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00
[   25.165890] >ffff8881061cfd00: 02 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1
[   25.166594]                    ^
[   25.166901]  ffff8881061cfd80: f1 f1 f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00
[   25.167618]  ffff8881061cfe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   25.168162] ==================================================================