Hay
Date
May 15, 2025, 10:38 a.m.

Environment
e850-96

[   31.299098] ==================================================================
[   31.306202] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x690/0x740
[   31.313577] Read of size 1 at addr ffff000801ede97f by task kunit_try_catch/239
[   31.320868] 
[   31.322350] CPU: 6 UID: 0 PID: 239 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   31.322402] Tainted: [B]=BAD_PAGE, [N]=TEST
[   31.322418] Hardware name: WinLink E850-96 board (DT)
[   31.322439] Call trace:
[   31.322454]  show_stack+0x20/0x38 (C)
[   31.322489]  dump_stack_lvl+0x8c/0xd0
[   31.322519]  print_report+0x118/0x608
[   31.322550]  kasan_report+0xdc/0x128
[   31.322579]  __asan_report_load1_noabort+0x20/0x30
[   31.322612]  ksize_unpoisons_memory+0x690/0x740
[   31.322642]  kunit_try_run_case+0x170/0x3f0
[   31.322677]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   31.322711]  kthread+0x328/0x630
[   31.322745]  ret_from_fork+0x10/0x20
[   31.322778] 
[   31.386751] Allocated by task 239:
[   31.390139]  kasan_save_stack+0x3c/0x68
[   31.393956]  kasan_save_track+0x20/0x40
[   31.397777]  kasan_save_alloc_info+0x40/0x58
[   31.402029]  __kasan_kmalloc+0xd4/0xd8
[   31.405763]  __kmalloc_cache_noprof+0x15c/0x3c0
[   31.410275]  ksize_unpoisons_memory+0xc0/0x740
[   31.414702]  kunit_try_run_case+0x170/0x3f0
[   31.418869]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   31.424337]  kthread+0x328/0x630
[   31.427549]  ret_from_fork+0x10/0x20
[   31.431108] 
[   31.432586] The buggy address belongs to the object at ffff000801ede900
[   31.432586]  which belongs to the cache kmalloc-128 of size 128
[   31.445086] The buggy address is located 12 bytes to the right of
[   31.445086]  allocated 115-byte region [ffff000801ede900, ffff000801ede973)
[   31.458104] 
[   31.459582] The buggy address belongs to the physical page:
[   31.465140] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881ede
[   31.473123] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   31.480760] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   31.487706] page_type: f5(slab)
[   31.490842] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   31.498562] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   31.506288] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   31.514100] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   31.521913] head: 0bfffe0000000001 fffffdffe007b781 00000000ffffffff 00000000ffffffff
[   31.529725] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   31.537532] page dumped because: kasan: bad access detected
[   31.543085] 
[   31.544561] Memory state around the buggy address:
[   31.549342]  ffff000801ede800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   31.556544]  ffff000801ede880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.563749] >ffff000801ede900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   31.570950]                                                                 ^
[   31.578072]  ffff000801ede980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.585278]  ffff000801edea00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.592478] ==================================================================
[   30.998495] ==================================================================
[   31.005599] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x618/0x740
[   31.012973] Read of size 1 at addr ffff000801ede978 by task kunit_try_catch/239
[   31.020264] 
[   31.021748] CPU: 6 UID: 0 PID: 239 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   31.021799] Tainted: [B]=BAD_PAGE, [N]=TEST
[   31.021817] Hardware name: WinLink E850-96 board (DT)
[   31.021835] Call trace:
[   31.021849]  show_stack+0x20/0x38 (C)
[   31.021887]  dump_stack_lvl+0x8c/0xd0
[   31.021919]  print_report+0x118/0x608
[   31.021950]  kasan_report+0xdc/0x128
[   31.021982]  __asan_report_load1_noabort+0x20/0x30
[   31.022018]  ksize_unpoisons_memory+0x618/0x740
[   31.022050]  kunit_try_run_case+0x170/0x3f0
[   31.022084]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   31.022116]  kthread+0x328/0x630
[   31.022149]  ret_from_fork+0x10/0x20
[   31.022179] 
[   31.086148] Allocated by task 239:
[   31.089537]  kasan_save_stack+0x3c/0x68
[   31.093353]  kasan_save_track+0x20/0x40
[   31.097172]  kasan_save_alloc_info+0x40/0x58
[   31.101426]  __kasan_kmalloc+0xd4/0xd8
[   31.105158]  __kmalloc_cache_noprof+0x15c/0x3c0
[   31.109672]  ksize_unpoisons_memory+0xc0/0x740
[   31.114099]  kunit_try_run_case+0x170/0x3f0
[   31.118266]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   31.123734]  kthread+0x328/0x630
[   31.126946]  ret_from_fork+0x10/0x20
[   31.130505] 
[   31.131982] The buggy address belongs to the object at ffff000801ede900
[   31.131982]  which belongs to the cache kmalloc-128 of size 128
[   31.144481] The buggy address is located 5 bytes to the right of
[   31.144481]  allocated 115-byte region [ffff000801ede900, ffff000801ede973)
[   31.157414] 
[   31.158892] The buggy address belongs to the physical page:
[   31.164450] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881ede
[   31.172432] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   31.180072] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   31.187017] page_type: f5(slab)
[   31.190151] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   31.197872] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   31.205598] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   31.213410] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   31.221224] head: 0bfffe0000000001 fffffdffe007b781 00000000ffffffff 00000000ffffffff
[   31.229034] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   31.236842] page dumped because: kasan: bad access detected
[   31.242396] 
[   31.243871] Memory state around the buggy address:
[   31.248650]  ffff000801ede800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   31.255855]  ffff000801ede880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.263061] >ffff000801ede900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   31.270260]                                                                 ^
[   31.277382]  ffff000801ede980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.284588]  ffff000801edea00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.291787] ==================================================================
[   30.695512] ==================================================================
[   30.705256] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x628/0x740
[   30.712631] Read of size 1 at addr ffff000801ede973 by task kunit_try_catch/239
[   30.719921] 
[   30.721406] CPU: 6 UID: 0 PID: 239 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   30.721465] Tainted: [B]=BAD_PAGE, [N]=TEST
[   30.721483] Hardware name: WinLink E850-96 board (DT)
[   30.721504] Call trace:
[   30.721520]  show_stack+0x20/0x38 (C)
[   30.721559]  dump_stack_lvl+0x8c/0xd0
[   30.721594]  print_report+0x118/0x608
[   30.721627]  kasan_report+0xdc/0x128
[   30.721656]  __asan_report_load1_noabort+0x20/0x30
[   30.721693]  ksize_unpoisons_memory+0x628/0x740
[   30.721726]  kunit_try_run_case+0x170/0x3f0
[   30.721760]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   30.721794]  kthread+0x328/0x630
[   30.721828]  ret_from_fork+0x10/0x20
[   30.721865] 
[   30.785805] Allocated by task 239:
[   30.789194]  kasan_save_stack+0x3c/0x68
[   30.793010]  kasan_save_track+0x20/0x40
[   30.796829]  kasan_save_alloc_info+0x40/0x58
[   30.801083]  __kasan_kmalloc+0xd4/0xd8
[   30.804817]  __kmalloc_cache_noprof+0x15c/0x3c0
[   30.809330]  ksize_unpoisons_memory+0xc0/0x740
[   30.813756]  kunit_try_run_case+0x170/0x3f0
[   30.817923]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   30.823392]  kthread+0x328/0x630
[   30.826603]  ret_from_fork+0x10/0x20
[   30.830162] 
[   30.831641] The buggy address belongs to the object at ffff000801ede900
[   30.831641]  which belongs to the cache kmalloc-128 of size 128
[   30.844141] The buggy address is located 0 bytes to the right of
[   30.844141]  allocated 115-byte region [ffff000801ede900, ffff000801ede973)
[   30.857072] 
[   30.858551] The buggy address belongs to the physical page:
[   30.864106] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881ede
[   30.872091] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   30.879731] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   30.886675] page_type: f5(slab)
[   30.889810] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   30.897529] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   30.905256] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   30.913067] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   30.920880] head: 0bfffe0000000001 fffffdffe007b781 00000000ffffffff 00000000ffffffff
[   30.928692] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   30.936497] page dumped because: kasan: bad access detected
[   30.942053] 
[   30.943528] Memory state around the buggy address:
[   30.948309]  ffff000801ede800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   30.955512]  ffff000801ede880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.962716] >ffff000801ede900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   30.969917]                                                              ^
[   30.976778]  ffff000801ede980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.983985]  ffff000801edea00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.991186] ==================================================================