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Date
June 2, 2025, 2:11 p.m.

Environment
e850-96
qemu-arm64
qemu-x86_64 

[   18.789078] ==================================================================
[   18.800028] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x2a4/0x2f0
[   18.807310] Write of size 1 at addr ffff00080270df00 by task kunit_try_catch/191
[   18.814686] 
[   18.816172] CPU: 7 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G    B            N  6.15.1-rc1 #1 PREEMPT 
[   18.816225] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.816240] Hardware name: WinLink E850-96 board (DT)
[   18.816261] Call trace:
[   18.816274]  show_stack+0x20/0x38 (C)
[   18.816309]  dump_stack_lvl+0x8c/0xd0
[   18.816344]  print_report+0x118/0x608
[   18.816374]  kasan_report+0xdc/0x128
[   18.816401]  __asan_report_store1_noabort+0x20/0x30
[   18.816438]  kmalloc_big_oob_right+0x2a4/0x2f0
[   18.816470]  kunit_try_run_case+0x170/0x3f0
[   18.816505]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.816542]  kthread+0x328/0x630
[   18.816578]  ret_from_fork+0x10/0x20
[   18.816614] 
[   18.879357] Allocated by task 191:
[   18.882743]  kasan_save_stack+0x3c/0x68
[   18.886560]  kasan_save_track+0x20/0x40
[   18.890380]  kasan_save_alloc_info+0x40/0x58
[   18.894633]  __kasan_kmalloc+0xd4/0xd8
[   18.898366]  __kmalloc_cache_noprof+0x16c/0x3c0
[   18.902879]  kmalloc_big_oob_right+0xb8/0x2f0
[   18.907220]  kunit_try_run_case+0x170/0x3f0
[   18.911386]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.916855]  kthread+0x328/0x630
[   18.920066]  ret_from_fork+0x10/0x20
[   18.923625] 
[   18.925103] The buggy address belongs to the object at ffff00080270c000
[   18.925103]  which belongs to the cache kmalloc-8k of size 8192
[   18.937603] The buggy address is located 0 bytes to the right of
[   18.937603]  allocated 7936-byte region [ffff00080270c000, ffff00080270df00)
[   18.950622] 
[   18.952101] The buggy address belongs to the physical page:
[   18.957657] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x882708
[   18.965642] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   18.973281] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   18.980224] page_type: f5(slab)
[   18.983362] raw: 0bfffe0000000040 ffff000800003180 dead000000000122 0000000000000000
[   18.991079] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000
[   18.998805] head: 0bfffe0000000040 ffff000800003180 dead000000000122 0000000000000000
[   19.006616] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000
[   19.014430] head: 0bfffe0000000003 fffffdffe009c201 00000000ffffffff 00000000ffffffff
[   19.022242] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   19.030047] page dumped because: kasan: bad access detected
[   19.035604] 
[   19.037080] Memory state around the buggy address:
[   19.041859]  ffff00080270de00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   19.049061]  ffff00080270de80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   19.056267] >ffff00080270df00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.063467]                    ^
[   19.066682]  ffff00080270df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.073888]  ffff00080270e000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.081090] ==================================================================
Metadata Full log Test run details 

[   17.395541] ==================================================================
[   17.395629] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x2a4/0x2f0
[   17.395691] Write of size 1 at addr fff00000c7789f00 by task kunit_try_catch/147
[   17.395747] 
[   17.395780] CPU: 1 UID: 0 PID: 147 Comm: kunit_try_catch Tainted: G    B            N  6.15.1-rc1 #1 PREEMPT 
[   17.395862] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.395888] Hardware name: linux,dummy-virt (DT)
[   17.395927] Call trace:
[   17.395951]  show_stack+0x20/0x38 (C)
[   17.396008]  dump_stack_lvl+0x8c/0xd0
[   17.396158]  print_report+0x118/0x608
[   17.396282]  kasan_report+0xdc/0x128
[   17.396334]  __asan_report_store1_noabort+0x20/0x30
[   17.396452]  kmalloc_big_oob_right+0x2a4/0x2f0
[   17.396520]  kunit_try_run_case+0x170/0x3f0
[   17.396605]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.396679]  kthread+0x328/0x630
[   17.396726]  ret_from_fork+0x10/0x20
[   17.396784] 
[   17.396803] Allocated by task 147:
[   17.396837]  kasan_save_stack+0x3c/0x68
[   17.397051]  kasan_save_track+0x20/0x40
[   17.397100]  kasan_save_alloc_info+0x40/0x58
[   17.397182]  __kasan_kmalloc+0xd4/0xd8
[   17.397231]  __kmalloc_cache_noprof+0x16c/0x3c0
[   17.397282]  kmalloc_big_oob_right+0xb8/0x2f0
[   17.397340]  kunit_try_run_case+0x170/0x3f0
[   17.397391]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.397436]  kthread+0x328/0x630
[   17.397499]  ret_from_fork+0x10/0x20
[   17.397536] 
[   17.397556] The buggy address belongs to the object at fff00000c7788000
[   17.397556]  which belongs to the cache kmalloc-8k of size 8192
[   17.397751] The buggy address is located 0 bytes to the right of
[   17.397751]  allocated 7936-byte region [fff00000c7788000, fff00000c7789f00)
[   17.397880] 
[   17.397919] The buggy address belongs to the physical page:
[   17.397983] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107788
[   17.398085] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   17.398168] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   17.398223] page_type: f5(slab)
[   17.398285] raw: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000
[   17.398334] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000
[   17.398522] head: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000
[   17.398625] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000
[   17.398743] head: 0bfffe0000000003 ffffc1ffc31de201 00000000ffffffff 00000000ffffffff
[   17.398824] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   17.398901] page dumped because: kasan: bad access detected
[   17.398991] 
[   17.399035] Memory state around the buggy address:
[   17.399093]  fff00000c7789e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   17.399205]  fff00000c7789e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   17.399294] >fff00000c7789f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.399361]                    ^
[   17.399517]  fff00000c7789f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.399684]  fff00000c778a000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.399811] ==================================================================
Metadata Full log Test run details 

[   15.699655] ==================================================================
[   15.700323] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x316/0x370
[   15.701047] Write of size 1 at addr ffff8881039c1f00 by task kunit_try_catch/165
[   15.701427] 
[   15.701965] CPU: 1 UID: 0 PID: 165 Comm: kunit_try_catch Tainted: G    B            N  6.15.1-rc1 #1 PREEMPT(voluntary) 
[   15.702554] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.702573] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.702600] Call Trace:
[   15.702618]  <TASK>
[   15.702643]  dump_stack_lvl+0x73/0xb0
[   15.702692]  print_report+0xd1/0x650
[   15.702718]  ? __virt_addr_valid+0x1db/0x2d0
[   15.702745]  ? kmalloc_big_oob_right+0x316/0x370
[   15.702796]  ? kasan_complete_mode_report_info+0x2a/0x200
[   15.702820]  ? kmalloc_big_oob_right+0x316/0x370
[   15.702845]  kasan_report+0x141/0x180
[   15.702870]  ? kmalloc_big_oob_right+0x316/0x370
[   15.702899]  __asan_report_store1_noabort+0x1b/0x30
[   15.702922]  kmalloc_big_oob_right+0x316/0x370
[   15.702947]  ? __pfx_kmalloc_big_oob_right+0x10/0x10
[   15.702974]  ? __pfx_kmalloc_big_oob_right+0x10/0x10
[   15.703003]  kunit_try_run_case+0x1a5/0x480
[   15.703032]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.703055]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   15.703081]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   15.703110]  ? __kthread_parkme+0x82/0x180
[   15.703169]  ? preempt_count_sub+0x50/0x80
[   15.703199]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.703225]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.703249]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   15.703272]  kthread+0x337/0x6f0
[   15.703291]  ? trace_preempt_on+0x20/0xc0
[   15.703318]  ? __pfx_kthread+0x10/0x10
[   15.703338]  ? _raw_spin_unlock_irq+0x47/0x80
[   15.703360]  ? calculate_sigpending+0x7b/0xa0
[   15.703385]  ? __pfx_kthread+0x10/0x10
[   15.703405]  ret_from_fork+0x41/0x80
[   15.703430]  ? __pfx_kthread+0x10/0x10
[   15.703449]  ret_from_fork_asm+0x1a/0x30
[   15.703483]  </TASK>
[   15.703498] 
[   15.715517] Allocated by task 165:
[   15.715989]  kasan_save_stack+0x45/0x70
[   15.716519]  kasan_save_track+0x18/0x40
[   15.716912]  kasan_save_alloc_info+0x3b/0x50
[   15.717528]  __kasan_kmalloc+0xb7/0xc0
[   15.717951]  __kmalloc_cache_noprof+0x189/0x420
[   15.718490]  kmalloc_big_oob_right+0xa9/0x370
[   15.718804]  kunit_try_run_case+0x1a5/0x480
[   15.719011]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.719250]  kthread+0x337/0x6f0
[   15.719398]  ret_from_fork+0x41/0x80
[   15.719558]  ret_from_fork_asm+0x1a/0x30
[   15.719746] 
[   15.719870] The buggy address belongs to the object at ffff8881039c0000
[   15.719870]  which belongs to the cache kmalloc-8k of size 8192
[   15.720274] The buggy address is located 0 bytes to the right of
[   15.720274]  allocated 7936-byte region [ffff8881039c0000, ffff8881039c1f00)
[   15.720670] 
[   15.721964] The buggy address belongs to the physical page:
[   15.722840] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039c0
[   15.723991] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   15.724951] flags: 0x200000000000040(head|node=0|zone=2)
[   15.725799] page_type: f5(slab)
[   15.726408] raw: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000
[   15.727941] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000
[   15.728979] head: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000
[   15.730071] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000
[   15.731395] head: 0200000000000003 ffffea00040e7001 00000000ffffffff 00000000ffffffff
[   15.732032] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   15.732397] page dumped because: kasan: bad access detected
[   15.732594] 
[   15.732687] Memory state around the buggy address:
[   15.733569]  ffff8881039c1e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   15.734525]  ffff8881039c1e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   15.735022] >ffff8881039c1f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.735561]                    ^
[   15.735930]  ffff8881039c1f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.736423]  ffff8881039c2000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.736915] ==================================================================
Metadata Full log Test run details