Date
July 3, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.659798] ================================================================== [ 19.659933] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 19.661623] Write of size 128 at addr fff00000c6345900 by task kunit_try_catch/170 [ 19.661814] [ 19.661896] CPU: 0 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 19.662096] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.662160] Hardware name: linux,dummy-virt (DT) [ 19.662236] Call trace: [ 19.662292] show_stack+0x20/0x38 (C) [ 19.662432] dump_stack_lvl+0x8c/0xd0 [ 19.662596] print_report+0x118/0x608 [ 19.662698] kasan_report+0xdc/0x128 [ 19.662784] kasan_check_range+0x100/0x1a8 [ 19.662893] __asan_memset+0x34/0x78 [ 19.662978] kmalloc_oob_in_memset+0x144/0x2d0 [ 19.663089] kunit_try_run_case+0x170/0x3f0 [ 19.663186] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.663414] kthread+0x328/0x630 [ 19.663700] ret_from_fork+0x10/0x20 [ 19.663864] [ 19.663928] Allocated by task 170: [ 19.664017] kasan_save_stack+0x3c/0x68 [ 19.664162] kasan_save_track+0x20/0x40 [ 19.664247] kasan_save_alloc_info+0x40/0x58 [ 19.664349] __kasan_kmalloc+0xd4/0xd8 [ 19.664428] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.664521] kmalloc_oob_in_memset+0xb0/0x2d0 [ 19.664615] kunit_try_run_case+0x170/0x3f0 [ 19.664696] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.664788] kthread+0x328/0x630 [ 19.664868] ret_from_fork+0x10/0x20 [ 19.664977] [ 19.665043] The buggy address belongs to the object at fff00000c6345900 [ 19.665043] which belongs to the cache kmalloc-128 of size 128 [ 19.665153] The buggy address is located 0 bytes inside of [ 19.665153] allocated 120-byte region [fff00000c6345900, fff00000c6345978) [ 19.665283] [ 19.665332] The buggy address belongs to the physical page: [ 19.665597] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106345 [ 19.666154] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.666471] page_type: f5(slab) [ 19.666561] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.666664] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.666949] page dumped because: kasan: bad access detected [ 19.667037] [ 19.667077] Memory state around the buggy address: [ 19.667174] fff00000c6345800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.667294] fff00000c6345880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.667424] >fff00000c6345900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.667526] ^ [ 19.667677] fff00000c6345980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.667825] fff00000c6345a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.667906] ==================================================================
[ 11.574654] ================================================================== [ 11.575773] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 11.576017] Write of size 128 at addr ffff8881027a9c00 by task kunit_try_catch/187 [ 11.576263] [ 11.576351] CPU: 1 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.576394] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.576405] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.576424] Call Trace: [ 11.576436] <TASK> [ 11.576450] dump_stack_lvl+0x73/0xb0 [ 11.576475] print_report+0xd1/0x650 [ 11.576496] ? __virt_addr_valid+0x1db/0x2d0 [ 11.576517] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.576537] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.576558] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.576578] kasan_report+0x141/0x180 [ 11.576598] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.576624] kasan_check_range+0x10c/0x1c0 [ 11.576647] __asan_memset+0x27/0x50 [ 11.576666] kmalloc_oob_in_memset+0x15f/0x320 [ 11.576687] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.576708] ? __schedule+0x10cc/0x2b60 [ 11.576728] ? __pfx_read_tsc+0x10/0x10 [ 11.576747] ? ktime_get_ts64+0x86/0x230 [ 11.576771] kunit_try_run_case+0x1a5/0x480 [ 11.576794] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.576814] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.576836] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.576857] ? __kthread_parkme+0x82/0x180 [ 11.576876] ? preempt_count_sub+0x50/0x80 [ 11.576898] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.576919] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.576940] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.576962] kthread+0x337/0x6f0 [ 11.576979] ? trace_preempt_on+0x20/0xc0 [ 11.577001] ? __pfx_kthread+0x10/0x10 [ 11.577020] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.577039] ? calculate_sigpending+0x7b/0xa0 [ 11.577061] ? __pfx_kthread+0x10/0x10 [ 11.577081] ret_from_fork+0x116/0x1d0 [ 11.577098] ? __pfx_kthread+0x10/0x10 [ 11.577117] ret_from_fork_asm+0x1a/0x30 [ 11.577170] </TASK> [ 11.577179] [ 11.590598] Allocated by task 187: [ 11.590831] kasan_save_stack+0x45/0x70 [ 11.590973] kasan_save_track+0x18/0x40 [ 11.591103] kasan_save_alloc_info+0x3b/0x50 [ 11.591509] __kasan_kmalloc+0xb7/0xc0 [ 11.591849] __kmalloc_cache_noprof+0x189/0x420 [ 11.592340] kmalloc_oob_in_memset+0xac/0x320 [ 11.592835] kunit_try_run_case+0x1a5/0x480 [ 11.593269] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.593731] kthread+0x337/0x6f0 [ 11.593864] ret_from_fork+0x116/0x1d0 [ 11.593992] ret_from_fork_asm+0x1a/0x30 [ 11.594149] [ 11.594220] The buggy address belongs to the object at ffff8881027a9c00 [ 11.594220] which belongs to the cache kmalloc-128 of size 128 [ 11.594563] The buggy address is located 0 bytes inside of [ 11.594563] allocated 120-byte region [ffff8881027a9c00, ffff8881027a9c78) [ 11.594902] [ 11.594971] The buggy address belongs to the physical page: [ 11.595156] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027a9 [ 11.595798] flags: 0x200000000000000(node=0|zone=2) [ 11.596261] page_type: f5(slab) [ 11.596558] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.597227] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.597863] page dumped because: kasan: bad access detected [ 11.598378] [ 11.598540] Memory state around the buggy address: [ 11.598955] ffff8881027a9b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.599609] ffff8881027a9b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.600225] >ffff8881027a9c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.600930] ^ [ 11.601742] ffff8881027a9c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.602118] ffff8881027a9d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.602728] ==================================================================