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

Environment
e850-96
qemu-arm64
qemu-x86_64

[   25.864148] ==================================================================
[   25.873613] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8
[   25.880815] Write of size 8 at addr ffff000801dd0171 by task kunit_try_catch/223
[   25.888191] 
[   25.889679] CPU: 6 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G    B            N  6.15.1-rc1 #1 PREEMPT 
[   25.889734] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.889747] Hardware name: WinLink E850-96 board (DT)
[   25.889767] Call trace:
[   25.889780]  show_stack+0x20/0x38 (C)
[   25.889816]  dump_stack_lvl+0x8c/0xd0
[   25.889853]  print_report+0x118/0x608
[   25.889886]  kasan_report+0xdc/0x128
[   25.889914]  kasan_check_range+0x100/0x1a8
[   25.889946]  __asan_memset+0x34/0x78
[   25.889976]  kmalloc_oob_memset_8+0x150/0x2f8
[   25.890008]  kunit_try_run_case+0x170/0x3f0
[   25.890045]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.890084]  kthread+0x328/0x630
[   25.890116]  ret_from_fork+0x10/0x20
[   25.890152] 
[   25.955553] Allocated by task 223:
[   25.958938]  kasan_save_stack+0x3c/0x68
[   25.962756]  kasan_save_track+0x20/0x40
[   25.966575]  kasan_save_alloc_info+0x40/0x58
[   25.970829]  __kasan_kmalloc+0xd4/0xd8
[   25.974561]  __kmalloc_cache_noprof+0x16c/0x3c0
[   25.979075]  kmalloc_oob_memset_8+0xb0/0x2f8
[   25.983330]  kunit_try_run_case+0x170/0x3f0
[   25.987495]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.992964]  kthread+0x328/0x630
[   25.996176]  ret_from_fork+0x10/0x20
[   25.999734] 
[   26.001213] The buggy address belongs to the object at ffff000801dd0100
[   26.001213]  which belongs to the cache kmalloc-128 of size 128
[   26.013712] The buggy address is located 113 bytes inside of
[   26.013712]  allocated 120-byte region [ffff000801dd0100, ffff000801dd0178)
[   26.026296] 
[   26.027775] The buggy address belongs to the physical page:
[   26.033333] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881dd0
[   26.041318] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   26.048955] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   26.055899] page_type: f5(slab)
[   26.059036] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   26.066754] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   26.074480] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   26.082292] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   26.090105] head: 0bfffe0000000001 fffffdffe0077401 00000000ffffffff 00000000ffffffff
[   26.097917] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   26.105722] page dumped because: kasan: bad access detected
[   26.111278] 
[   26.112755] Memory state around the buggy address:
[   26.117533]  ffff000801dd0000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   26.124736]  ffff000801dd0080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.131942] >ffff000801dd0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   26.139142]                                                                 ^
[   26.146263]  ffff000801dd0180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.153470]  ffff000801dd0200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.160671] ==================================================================

[   18.069430] ==================================================================
[   18.069557] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8
[   18.069630] Write of size 8 at addr fff00000c3f75671 by task kunit_try_catch/179
[   18.069679] 
[   18.069719] CPU: 1 UID: 0 PID: 179 Comm: kunit_try_catch Tainted: G    B            N  6.15.1-rc1 #1 PREEMPT 
[   18.069804] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.069830] Hardware name: linux,dummy-virt (DT)
[   18.069862] Call trace:
[   18.069887]  show_stack+0x20/0x38 (C)
[   18.069938]  dump_stack_lvl+0x8c/0xd0
[   18.069987]  print_report+0x118/0x608
[   18.070033]  kasan_report+0xdc/0x128
[   18.070076]  kasan_check_range+0x100/0x1a8
[   18.070123]  __asan_memset+0x34/0x78
[   18.070167]  kmalloc_oob_memset_8+0x150/0x2f8
[   18.070216]  kunit_try_run_case+0x170/0x3f0
[   18.070266]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.070320]  kthread+0x328/0x630
[   18.070378]  ret_from_fork+0x10/0x20
[   18.070429] 
[   18.070448] Allocated by task 179:
[   18.070476]  kasan_save_stack+0x3c/0x68
[   18.070516]  kasan_save_track+0x20/0x40
[   18.070554]  kasan_save_alloc_info+0x40/0x58
[   18.070594]  __kasan_kmalloc+0xd4/0xd8
[   18.070633]  __kmalloc_cache_noprof+0x16c/0x3c0
[   18.070678]  kmalloc_oob_memset_8+0xb0/0x2f8
[   18.076505]  kunit_try_run_case+0x170/0x3f0
[   18.076577]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.076632]  kthread+0x328/0x630
[   18.076670]  ret_from_fork+0x10/0x20
[   18.076709] 
[   18.076731] The buggy address belongs to the object at fff00000c3f75600
[   18.076731]  which belongs to the cache kmalloc-128 of size 128
[   18.076789] The buggy address is located 113 bytes inside of
[   18.076789]  allocated 120-byte region [fff00000c3f75600, fff00000c3f75678)
[   18.076850] 
[   18.076871] The buggy address belongs to the physical page:
[   18.076904] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f75
[   18.077099] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   18.077171] page_type: f5(slab)
[   18.077408] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   18.077647] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   18.077897] page dumped because: kasan: bad access detected
[   18.078027] 
[   18.078046] Memory state around the buggy address:
[   18.078082]  fff00000c3f75500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   18.078429]  fff00000c3f75580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.078828] >fff00000c3f75600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   18.078872]                                                                 ^
[   18.078913]  fff00000c3f75680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.078955]  fff00000c3f75700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.078991] ==================================================================

[   16.680981] ==================================================================
[   16.682194] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330
[   16.682652] Write of size 8 at addr ffff888102b25f71 by task kunit_try_catch/197
[   16.683049] 
[   16.683388] CPU: 0 UID: 0 PID: 197 Comm: kunit_try_catch Tainted: G    B            N  6.15.1-rc1 #1 PREEMPT(voluntary) 
[   16.683505] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.683536] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   16.683586] Call Trace:
[   16.683619]  <TASK>
[   16.683671]  dump_stack_lvl+0x73/0xb0
[   16.683744]  print_report+0xd1/0x650
[   16.683819]  ? __virt_addr_valid+0x1db/0x2d0
[   16.683885]  ? kmalloc_oob_memset_8+0x166/0x330
[   16.683937]  ? kasan_complete_mode_report_info+0x2a/0x200
[   16.683980]  ? kmalloc_oob_memset_8+0x166/0x330
[   16.684014]  kasan_report+0x141/0x180
[   16.684041]  ? kmalloc_oob_memset_8+0x166/0x330
[   16.684071]  kasan_check_range+0x10c/0x1c0
[   16.684094]  __asan_memset+0x27/0x50
[   16.684128]  kmalloc_oob_memset_8+0x166/0x330
[   16.684215]  ? __pfx_kmalloc_oob_memset_8+0x10/0x10
[   16.684267]  ? __schedule+0x10cc/0x2b30
[   16.684316]  ? __pfx_read_tsc+0x10/0x10
[   16.684360]  ? ktime_get_ts64+0x86/0x230
[   16.684421]  kunit_try_run_case+0x1a5/0x480
[   16.684473]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.684513]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   16.684589]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   16.684656]  ? __kthread_parkme+0x82/0x180
[   16.684711]  ? preempt_count_sub+0x50/0x80
[   16.684786]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.684836]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   16.684877]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   16.684915]  kthread+0x337/0x6f0
[   16.684948]  ? trace_preempt_on+0x20/0xc0
[   16.684978]  ? __pfx_kthread+0x10/0x10
[   16.684998]  ? _raw_spin_unlock_irq+0x47/0x80
[   16.685022]  ? calculate_sigpending+0x7b/0xa0
[   16.685048]  ? __pfx_kthread+0x10/0x10
[   16.685068]  ret_from_fork+0x41/0x80
[   16.685092]  ? __pfx_kthread+0x10/0x10
[   16.685160]  ret_from_fork_asm+0x1a/0x30
[   16.685279]  </TASK>
[   16.685300] 
[   16.699369] Allocated by task 197:
[   16.700675]  kasan_save_stack+0x45/0x70
[   16.701466]  kasan_save_track+0x18/0x40
[   16.701720]  kasan_save_alloc_info+0x3b/0x50
[   16.701917]  __kasan_kmalloc+0xb7/0xc0
[   16.702621]  __kmalloc_cache_noprof+0x189/0x420
[   16.703026]  kmalloc_oob_memset_8+0xac/0x330
[   16.703560]  kunit_try_run_case+0x1a5/0x480
[   16.703784]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   16.704006]  kthread+0x337/0x6f0
[   16.704545]  ret_from_fork+0x41/0x80
[   16.704961]  ret_from_fork_asm+0x1a/0x30
[   16.705533] 
[   16.705737] The buggy address belongs to the object at ffff888102b25f00
[   16.705737]  which belongs to the cache kmalloc-128 of size 128
[   16.706579] The buggy address is located 113 bytes inside of
[   16.706579]  allocated 120-byte region [ffff888102b25f00, ffff888102b25f78)
[   16.707512] 
[   16.707777] The buggy address belongs to the physical page:
[   16.708408] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b25
[   16.709261] flags: 0x200000000000000(node=0|zone=2)
[   16.709717] page_type: f5(slab)
[   16.710062] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   16.710830] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   16.711064] page dumped because: kasan: bad access detected
[   16.711309] 
[   16.711477] Memory state around the buggy address:
[   16.712418]  ffff888102b25e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   16.713731]  ffff888102b25e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.714124] >ffff888102b25f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   16.715015]                                                                 ^
[   16.715248]  ffff888102b25f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.715458]  ffff888102b26000: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   16.716581] ==================================================================