Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.629774] ================================================================== [ 22.629970] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 22.630140] Write of size 8 at addr fff00000c76c5171 by task kunit_try_catch/180 [ 22.630267] [ 22.631831] CPU: 1 UID: 0 PID: 180 Comm: kunit_try_catch Tainted: G B N 6.15.2-rc1 #1 PREEMPT [ 22.632564] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.632811] Hardware name: linux,dummy-virt (DT) [ 22.632940] Call trace: [ 22.633103] show_stack+0x20/0x38 (C) [ 22.633226] dump_stack_lvl+0x8c/0xd0 [ 22.633316] print_report+0x118/0x608 [ 22.633414] kasan_report+0xdc/0x128 [ 22.633519] kasan_check_range+0x100/0x1a8 [ 22.634129] __asan_memset+0x34/0x78 [ 22.634257] kmalloc_oob_memset_8+0x150/0x2f8 [ 22.634387] kunit_try_run_case+0x170/0x3f0 [ 22.634480] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.634544] kthread+0x328/0x630 [ 22.634597] ret_from_fork+0x10/0x20 [ 22.634656] [ 22.634679] Allocated by task 180: [ 22.634716] kasan_save_stack+0x3c/0x68 [ 22.634771] kasan_save_track+0x20/0x40 [ 22.634815] kasan_save_alloc_info+0x40/0x58 [ 22.634859] __kasan_kmalloc+0xd4/0xd8 [ 22.634900] __kmalloc_cache_noprof+0x16c/0x3c0 [ 22.634950] kmalloc_oob_memset_8+0xb0/0x2f8 [ 22.634995] kunit_try_run_case+0x170/0x3f0 [ 22.635039] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.635090] kthread+0x328/0x630 [ 22.635131] ret_from_fork+0x10/0x20 [ 22.635172] [ 22.635196] The buggy address belongs to the object at fff00000c76c5100 [ 22.635196] which belongs to the cache kmalloc-128 of size 128 [ 22.635262] The buggy address is located 113 bytes inside of [ 22.635262] allocated 120-byte region [fff00000c76c5100, fff00000c76c5178) [ 22.635331] [ 22.635355] The buggy address belongs to the physical page: [ 22.635394] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076c5 [ 22.635578] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.635760] page_type: f5(slab) [ 22.635909] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.636084] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.636219] page dumped because: kasan: bad access detected [ 22.636285] [ 22.636320] Memory state around the buggy address: [ 22.636380] fff00000c76c5000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.636474] fff00000c76c5080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.636566] >fff00000c76c5100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.636669] ^ [ 22.636776] fff00000c76c5180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.636884] fff00000c76c5200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.636980] ==================================================================
[ 13.857119] ================================================================== [ 13.857617] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 13.858263] Write of size 8 at addr ffff888103391a71 by task kunit_try_catch/196 [ 13.858574] [ 13.858827] CPU: 0 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G B N 6.15.2-rc1 #1 PREEMPT(voluntary) [ 13.858962] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.859005] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.859050] Call Trace: [ 13.859079] <TASK> [ 13.859115] dump_stack_lvl+0x73/0xb0 [ 13.859221] print_report+0xd1/0x650 [ 13.859293] ? __virt_addr_valid+0x1db/0x2d0 [ 13.859343] ? kmalloc_oob_memset_8+0x166/0x330 [ 13.859389] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.859466] ? kmalloc_oob_memset_8+0x166/0x330 [ 13.859526] kasan_report+0x141/0x180 [ 13.859593] ? kmalloc_oob_memset_8+0x166/0x330 [ 13.859642] kasan_check_range+0x10c/0x1c0 [ 13.859679] __asan_memset+0x27/0x50 [ 13.859720] kmalloc_oob_memset_8+0x166/0x330 [ 13.859765] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 13.859846] ? __schedule+0x10cc/0x2b30 [ 13.859932] ? __pfx_read_tsc+0x10/0x10 [ 13.859992] ? ktime_get_ts64+0x86/0x230 [ 13.860049] kunit_try_run_case+0x1a5/0x480 [ 13.860098] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.860133] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.860171] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.860195] ? __kthread_parkme+0x82/0x180 [ 13.860217] ? preempt_count_sub+0x50/0x80 [ 13.860243] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.860266] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.860288] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.860309] kthread+0x337/0x6f0 [ 13.860325] ? trace_preempt_on+0x20/0xc0 [ 13.860349] ? __pfx_kthread+0x10/0x10 [ 13.860367] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.860386] ? calculate_sigpending+0x7b/0xa0 [ 13.860407] ? __pfx_kthread+0x10/0x10 [ 13.860424] ret_from_fork+0x41/0x80 [ 13.860444] ? __pfx_kthread+0x10/0x10 [ 13.860461] ret_from_fork_asm+0x1a/0x30 [ 13.860490] </TASK> [ 13.860503] [ 13.869106] Allocated by task 196: [ 13.869449] kasan_save_stack+0x45/0x70 [ 13.869792] kasan_save_track+0x18/0x40 [ 13.870097] kasan_save_alloc_info+0x3b/0x50 [ 13.870480] __kasan_kmalloc+0xb7/0xc0 [ 13.870880] __kmalloc_cache_noprof+0x189/0x420 [ 13.871265] kmalloc_oob_memset_8+0xac/0x330 [ 13.871645] kunit_try_run_case+0x1a5/0x480 [ 13.871885] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.872109] kthread+0x337/0x6f0 [ 13.872274] ret_from_fork+0x41/0x80 [ 13.872442] ret_from_fork_asm+0x1a/0x30 [ 13.872644] [ 13.872755] The buggy address belongs to the object at ffff888103391a00 [ 13.872755] which belongs to the cache kmalloc-128 of size 128 [ 13.873173] The buggy address is located 113 bytes inside of [ 13.873173] allocated 120-byte region [ffff888103391a00, ffff888103391a78) [ 13.874100] [ 13.874273] The buggy address belongs to the physical page: [ 13.874673] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103391 [ 13.875317] flags: 0x200000000000000(node=0|zone=2) [ 13.875695] page_type: f5(slab) [ 13.875988] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.876366] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.876964] page dumped because: kasan: bad access detected [ 13.877261] [ 13.877424] Memory state around the buggy address: [ 13.877841] ffff888103391900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.878190] ffff888103391980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.878643] >ffff888103391a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 13.878995] ^ [ 13.879268] ffff888103391a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.879527] ffff888103391b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.879785] ==================================================================