Hay
Date
June 3, 2025, 7:38 a.m.

Environment
qemu-arm64
qemu-x86_64
x86

[   18.365000] ==================================================================
[   18.365076] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8
[   18.365128] Write of size 8 at addr fff00000c65b1371 by task kunit_try_catch/176
[   18.365240] 
[   18.365299] CPU: 1 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250603 #1 PREEMPT 
[   18.365407] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.365492] Hardware name: linux,dummy-virt (DT)
[   18.365527] Call trace:
[   18.365567]  show_stack+0x20/0x38 (C)
[   18.365633]  dump_stack_lvl+0x8c/0xd0
[   18.365685]  print_report+0x118/0x608
[   18.365731]  kasan_report+0xdc/0x128
[   18.365775]  kasan_check_range+0x100/0x1a8
[   18.365822]  __asan_memset+0x34/0x78
[   18.365863]  kmalloc_oob_memset_8+0x150/0x2f8
[   18.366181]  kunit_try_run_case+0x170/0x3f0
[   18.366254]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.366323]  kthread+0x328/0x630
[   18.366396]  ret_from_fork+0x10/0x20
[   18.366513] 
[   18.366552] Allocated by task 176:
[   18.366600]  kasan_save_stack+0x3c/0x68
[   18.366646]  kasan_save_track+0x20/0x40
[   18.366747]  kasan_save_alloc_info+0x40/0x58
[   18.366783]  __kasan_kmalloc+0xd4/0xd8
[   18.366819]  __kmalloc_cache_noprof+0x16c/0x3c0
[   18.366856]  kmalloc_oob_memset_8+0xb0/0x2f8
[   18.366911]  kunit_try_run_case+0x170/0x3f0
[   18.366988]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.367030]  kthread+0x328/0x630
[   18.367061]  ret_from_fork+0x10/0x20
[   18.367115] 
[   18.367151] The buggy address belongs to the object at fff00000c65b1300
[   18.367151]  which belongs to the cache kmalloc-128 of size 128
[   18.367299] The buggy address is located 113 bytes inside of
[   18.367299]  allocated 120-byte region [fff00000c65b1300, fff00000c65b1378)
[   18.367746] 
[   18.367780] The buggy address belongs to the physical page:
[   18.367840] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065b1
[   18.368066] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   18.368145] page_type: f5(slab)
[   18.368186] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   18.368244] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   18.368283] page dumped because: kasan: bad access detected
[   18.368334] 
[   18.368362] Memory state around the buggy address:
[   18.368402]  fff00000c65b1200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   18.368454]  fff00000c65b1280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.368495] >fff00000c65b1300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   18.368540]                                                                 ^
[   18.368607]  fff00000c65b1380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.368656]  fff00000c65b1400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.368694] ==================================================================


[   14.666135] ==================================================================
[   14.666820] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330
[   14.667809] Write of size 8 at addr ffff8881033dc071 by task kunit_try_catch/193
[   14.668817] 
[   14.669146] CPU: 0 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250603 #1 PREEMPT(voluntary) 
[   14.669317] Tainted: [B]=BAD_PAGE, [N]=TEST
[   14.669364] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   14.669414] Call Trace:
[   14.669445]  <TASK>
[   14.669500]  dump_stack_lvl+0x73/0xb0
[   14.669603]  print_report+0xd1/0x650
[   14.669672]  ? __virt_addr_valid+0x1db/0x2d0
[   14.669831]  ? kmalloc_oob_memset_8+0x166/0x330
[   14.669873]  ? kasan_complete_mode_report_info+0x2a/0x200
[   14.669907]  ? kmalloc_oob_memset_8+0x166/0x330
[   14.669932]  kasan_report+0x141/0x180
[   14.669959]  ? kmalloc_oob_memset_8+0x166/0x330
[   14.669988]  kasan_check_range+0x10c/0x1c0
[   14.670014]  __asan_memset+0x27/0x50
[   14.670037]  kmalloc_oob_memset_8+0x166/0x330
[   14.670062]  ? __pfx_kmalloc_oob_memset_8+0x10/0x10
[   14.670089]  ? __pfx_kmalloc_oob_memset_8+0x10/0x10
[   14.670118]  kunit_try_run_case+0x1a5/0x480
[   14.670144]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.670165]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   14.670194]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   14.670235]  ? __kthread_parkme+0x82/0x180
[   14.670259]  ? preempt_count_sub+0x50/0x80
[   14.670286]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.670309]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   14.670336]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   14.670362]  kthread+0x337/0x6f0
[   14.670384]  ? trace_preempt_on+0x20/0xc0
[   14.670412]  ? __pfx_kthread+0x10/0x10
[   14.670434]  ? _raw_spin_unlock_irq+0x47/0x80
[   14.670479]  ? calculate_sigpending+0x7b/0xa0
[   14.670510]  ? __pfx_kthread+0x10/0x10
[   14.670534]  ret_from_fork+0x116/0x1d0
[   14.670557]  ? __pfx_kthread+0x10/0x10
[   14.670579]  ret_from_fork_asm+0x1a/0x30
[   14.670614]  </TASK>
[   14.670628] 
[   14.684522] Allocated by task 193:
[   14.685088]  kasan_save_stack+0x45/0x70
[   14.685727]  kasan_save_track+0x18/0x40
[   14.685967]  kasan_save_alloc_info+0x3b/0x50
[   14.686191]  __kasan_kmalloc+0xb7/0xc0
[   14.686480]  __kmalloc_cache_noprof+0x189/0x420
[   14.686762]  kmalloc_oob_memset_8+0xac/0x330
[   14.687355]  kunit_try_run_case+0x1a5/0x480
[   14.688753]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   14.689009]  kthread+0x337/0x6f0
[   14.689623]  ret_from_fork+0x116/0x1d0
[   14.689970]  ret_from_fork_asm+0x1a/0x30
[   14.690554] 
[   14.690896] The buggy address belongs to the object at ffff8881033dc000
[   14.690896]  which belongs to the cache kmalloc-128 of size 128
[   14.692065] The buggy address is located 113 bytes inside of
[   14.692065]  allocated 120-byte region [ffff8881033dc000, ffff8881033dc078)
[   14.692947] 
[   14.693436] The buggy address belongs to the physical page:
[   14.694152] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1033dc
[   14.694595] flags: 0x200000000000000(node=0|zone=2)
[   14.694887] page_type: f5(slab)
[   14.695201] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   14.695586] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   14.695953] page dumped because: kasan: bad access detected
[   14.696232] 
[   14.696412] Memory state around the buggy address:
[   14.697908]  ffff8881033dbf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.698298]  ffff8881033dbf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.698794] >ffff8881033dc000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   14.699200]                                                                 ^
[   14.700314]  ffff8881033dc080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.700634]  ffff8881033dc100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.701573] ==================================================================


[   28.923646] ==================================================================
[   28.934980] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330
[   28.942207] Write of size 8 at addr ffff888106106c71 by task kunit_try_catch/216
[   28.949608] 
[   28.951108] CPU: 0 UID: 0 PID: 216 Comm: kunit_try_catch Tainted: G S  B            N  6.15.0-next-20250603 #1 PREEMPT(voluntary) 
[   28.951117] Tainted: [S]=CPU_OUT_OF_SPEC, [B]=BAD_PAGE, [N]=TEST
[   28.951120] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021
[   28.951124] Call Trace:
[   28.951125]  <TASK>
[   28.951127]  dump_stack_lvl+0x73/0xb0
[   28.951131]  print_report+0xd1/0x650
[   28.951135]  ? __virt_addr_valid+0x1db/0x2d0
[   28.951139]  ? kmalloc_oob_memset_8+0x166/0x330
[   28.951143]  ? kasan_complete_mode_report_info+0x2a/0x200
[   28.951147]  ? kmalloc_oob_memset_8+0x166/0x330
[   28.951151]  kasan_report+0x141/0x180
[   28.951155]  ? kmalloc_oob_memset_8+0x166/0x330
[   28.951160]  kasan_check_range+0x10c/0x1c0
[   28.951165]  __asan_memset+0x27/0x50
[   28.951168]  kmalloc_oob_memset_8+0x166/0x330
[   28.951172]  ? __pfx_kmalloc_oob_memset_8+0x10/0x10
[   28.951177]  ? __schedule+0x10cc/0x2b60
[   28.951181]  ? ktime_get_ts64+0x83/0x230
[   28.951185]  kunit_try_run_case+0x1a2/0x480
[   28.951189]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.951192]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   28.951197]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   28.951201]  ? __kthread_parkme+0x82/0x180
[   28.951205]  ? preempt_count_sub+0x50/0x80
[   28.951209]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.951212]  kunit_generic_run_threadfn_adapter+0x82/0xf0
[   28.951217]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   28.951222]  kthread+0x334/0x6f0
[   28.951225]  ? trace_preempt_on+0x20/0xc0
[   28.951229]  ? __pfx_kthread+0x10/0x10
[   28.951233]  ? _raw_spin_unlock_irq+0x47/0x80
[   28.951237]  ? calculate_sigpending+0x7b/0xa0
[   28.951241]  ? __pfx_kthread+0x10/0x10
[   28.951245]  ret_from_fork+0x113/0x1d0
[   28.951248]  ? __pfx_kthread+0x10/0x10
[   28.951252]  ret_from_fork_asm+0x1a/0x30
[   28.951258]  </TASK>
[   28.951259] 
[   29.121100] Allocated by task 216:
[   29.124506]  kasan_save_stack+0x45/0x70
[   29.128347]  kasan_save_track+0x18/0x40
[   29.132237]  kasan_save_alloc_info+0x3b/0x50
[   29.136510]  __kasan_kmalloc+0xb7/0xc0
[   29.140262]  __kmalloc_cache_noprof+0x189/0x420
[   29.144794]  kmalloc_oob_memset_8+0xac/0x330
[   29.149067]  kunit_try_run_case+0x1a2/0x480
[   29.153252]  kunit_generic_run_threadfn_adapter+0x82/0xf0
[   29.158654]  kthread+0x334/0x6f0
[   29.161887]  ret_from_fork+0x113/0x1d0
[   29.165638]  ret_from_fork_asm+0x1a/0x30
[   29.169563] 
[   29.171062] The buggy address belongs to the object at ffff888106106c00
[   29.171062]  which belongs to the cache kmalloc-128 of size 128
[   29.183569] The buggy address is located 113 bytes inside of
[   29.183569]  allocated 120-byte region [ffff888106106c00, ffff888106106c78)
[   29.196171] 
[   29.197668] The buggy address belongs to the physical page:
[   29.203243] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106106
[   29.211249] flags: 0x200000000000000(node=0|zone=2)
[   29.216129] page_type: f5(slab)
[   29.219276] raw: 0200000000000000 ffff888100042a00 dead000000000122 0000000000000000
[   29.227014] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   29.234754] page dumped because: kasan: bad access detected
[   29.240326] 
[   29.241826] Memory state around the buggy address:
[   29.246619]  ffff888106106b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   29.253839]  ffff888106106b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.261058] >ffff888106106c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   29.268284]                                                                 ^
[   29.275424]  ffff888106106c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.282645]  ffff888106106d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.289864] ==================================================================