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Date
July 14, 2025, 10:38 a.m.

Environment
e850-96
qemu-arm64
qemu-x86_64 

[   55.468662] ==================================================================
[   55.478454] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340
[   55.486009] Read of size 1 at addr ffff800089637b4a by task kunit_try_catch/337
[   55.493296] 
[   55.494781] CPU: 4 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250714 #1 PREEMPT 
[   55.494835] Tainted: [B]=BAD_PAGE, [N]=TEST
[   55.494853] Hardware name: WinLink E850-96 board (DT)
[   55.494876] Call trace:
[   55.494890]  show_stack+0x20/0x38 (C)
[   55.494926]  dump_stack_lvl+0x8c/0xd0
[   55.494960]  print_report+0x310/0x5d0
[   55.494990]  kasan_report+0xdc/0x128
[   55.495016]  __asan_report_load1_noabort+0x20/0x30
[   55.495048]  kasan_alloca_oob_right+0x2dc/0x340
[   55.495081]  kunit_try_run_case+0x170/0x3f0
[   55.495119]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   55.495150]  kthread+0x328/0x630
[   55.495181]  ret_from_fork+0x10/0x20
[   55.495215] 
[   55.559182] The buggy address belongs to stack of task kunit_try_catch/337
[   55.566060] 
[   55.567513] The buggy address ffff800089637b4a belongs to a vmalloc virtual mapping
[   55.575156] The buggy address belongs to the physical page:
[   55.580711] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8847b2
[   55.588696] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   55.595215] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   55.602936] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   55.610656] page dumped because: kasan: bad access detected
[   55.616209] 
[   55.617686] Memory state around the buggy address:
[   55.622467]  ffff800089637a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   55.629668]  ffff800089637a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   55.636875] >ffff800089637b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb
[   55.644074]                                               ^
[   55.649633]  ffff800089637b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2
[   55.656839]  ffff800089637c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00
[   55.664040] ==================================================================
Metadata Full log Test run details 

[   31.922418] ==================================================================
[   31.922670] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x2dc/0x340
[   31.922891] Read of size 1 at addr ffff800080b77b4a by task kunit_try_catch/284
[   31.922983] 
[   31.923269] CPU: 0 UID: 0 PID: 284 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250714 #1 PREEMPT 
[   31.923370] Tainted: [B]=BAD_PAGE, [N]=TEST
[   31.923616] Hardware name: linux,dummy-virt (DT)
[   31.923694] Call trace:
[   31.923721]  show_stack+0x20/0x38 (C)
[   31.923775]  dump_stack_lvl+0x8c/0xd0
[   31.923931]  print_report+0x310/0x5d0
[   31.923988]  kasan_report+0xdc/0x128
[   31.924034]  __asan_report_load1_noabort+0x20/0x30
[   31.924116]  kasan_alloca_oob_right+0x2dc/0x340
[   31.924167]  kunit_try_run_case+0x170/0x3f0
[   31.924362]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   31.924460]  kthread+0x328/0x630
[   31.924586]  ret_from_fork+0x10/0x20
[   31.924641] 
[   31.924935] The buggy address belongs to stack of task kunit_try_catch/284
[   31.925109] 
[   31.925169] The buggy address ffff800080b77b4a belongs to a vmalloc virtual mapping
[   31.925279] The buggy address belongs to the physical page:
[   31.925316] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109b1d
[   31.925734] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   31.925838] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   31.925906] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   31.926125] page dumped because: kasan: bad access detected
[   31.926543] 
[   31.926594] Memory state around the buggy address:
[   31.926722]  ffff800080b77a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   31.926808]  ffff800080b77a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   31.927096] >ffff800080b77b00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb
[   31.927252]                                               ^
[   31.927311]  ffff800080b77b80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 01 f2 04 f2
[   31.927478]  ffff800080b77c00: 00 f2 f2 f2 00 00 f3 f3 00 00 00 00 00 00 00 00
[   31.927666] ==================================================================
Metadata Full log Test run details 

[   26.208085] ==================================================================
[   26.209030] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390
[   26.209496] Read of size 1 at addr ffff8881058cfc4a by task kunit_try_catch/302
[   26.209925] 
[   26.210152] CPU: 0 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G    B   W        N  6.16.0-rc6-next-20250714 #1 PREEMPT(voluntary) 
[   26.210243] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   26.210257] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   26.210297] Call Trace:
[   26.210313]  <TASK>
[   26.210334]  dump_stack_lvl+0x73/0xb0
[   26.210372]  print_report+0xd1/0x610
[   26.210395]  ? __virt_addr_valid+0x1db/0x2d0
[   26.210429]  ? kasan_alloca_oob_right+0x329/0x390
[   26.210451]  ? kasan_addr_to_slab+0x11/0xa0
[   26.210471]  ? kasan_alloca_oob_right+0x329/0x390
[   26.210504]  kasan_report+0x141/0x180
[   26.210526]  ? kasan_alloca_oob_right+0x329/0x390
[   26.210552]  __asan_report_load1_noabort+0x18/0x20
[   26.210576]  kasan_alloca_oob_right+0x329/0x390
[   26.210598]  ? finish_task_switch.isra.0+0x153/0x700
[   26.210647]  ? __mutex_lock.constprop.0+0x10ee/0x1280
[   26.210693]  ? trace_hardirqs_on+0x37/0xe0
[   26.210718]  ? __pfx_kasan_alloca_oob_right+0x10/0x10
[   26.210742]  ? __schedule+0x10cc/0x2b60
[   26.210766]  ? __pfx_read_tsc+0x10/0x10
[   26.210787]  ? ktime_get_ts64+0x86/0x230
[   26.210839]  kunit_try_run_case+0x1a5/0x480
[   26.210863]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.210885]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   26.210921]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   26.210998]  ? __kthread_parkme+0x82/0x180
[   26.211021]  ? preempt_count_sub+0x50/0x80
[   26.211045]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.211067]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.211093]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   26.211118]  kthread+0x337/0x6f0
[   26.211138]  ? trace_preempt_on+0x20/0xc0
[   26.211159]  ? __pfx_kthread+0x10/0x10
[   26.211180]  ? _raw_spin_unlock_irq+0x47/0x80
[   26.211201]  ? calculate_sigpending+0x7b/0xa0
[   26.211224]  ? __pfx_kthread+0x10/0x10
[   26.211245]  ret_from_fork+0x116/0x1d0
[   26.211264]  ? __pfx_kthread+0x10/0x10
[   26.211284]  ret_from_fork_asm+0x1a/0x30
[   26.211315]  </TASK>
[   26.211326] 
[   26.220504] The buggy address belongs to stack of task kunit_try_catch/302
[   26.220761] 
[   26.220850] The buggy address belongs to the physical page:
[   26.221158] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058cf
[   26.221424] flags: 0x200000000000000(node=0|zone=2)
[   26.221777] raw: 0200000000000000 dead000000000100 dead000000000122 0000000000000000
[   26.222363] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   26.222683] page dumped because: kasan: bad access detected
[   26.222994] 
[   26.223189] Memory state around the buggy address:
[   26.223425]  ffff8881058cfb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   26.223765]  ffff8881058cfb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   26.224099] >ffff8881058cfc00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb
[   26.224366]                                               ^
[   26.224531]  ffff8881058cfc80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00
[   26.225229]  ffff8881058cfd00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1
[   26.225949] ==================================================================
Metadata Full log Test run details