Date
July 18, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.387060] ================================================================== [ 15.387118] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 15.387169] Write of size 128 at addr fff00000c3f17c00 by task kunit_try_catch/170 [ 15.387238] [ 15.387271] CPU: 1 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 15.387364] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.387391] Hardware name: linux,dummy-virt (DT) [ 15.387422] Call trace: [ 15.387446] show_stack+0x20/0x38 (C) [ 15.387494] dump_stack_lvl+0x8c/0xd0 [ 15.387542] print_report+0x118/0x5d0 [ 15.387588] kasan_report+0xdc/0x128 [ 15.387634] kasan_check_range+0x100/0x1a8 [ 15.387693] __asan_memset+0x34/0x78 [ 15.387744] kmalloc_oob_in_memset+0x144/0x2d0 [ 15.387790] kunit_try_run_case+0x170/0x3f0 [ 15.387837] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.387888] kthread+0x328/0x630 [ 15.387929] ret_from_fork+0x10/0x20 [ 15.387977] [ 15.387995] Allocated by task 170: [ 15.388022] kasan_save_stack+0x3c/0x68 [ 15.388061] kasan_save_track+0x20/0x40 [ 15.388097] kasan_save_alloc_info+0x40/0x58 [ 15.388137] __kasan_kmalloc+0xd4/0xd8 [ 15.388182] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.388220] kmalloc_oob_in_memset+0xb0/0x2d0 [ 15.388256] kunit_try_run_case+0x170/0x3f0 [ 15.388293] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.388790] kthread+0x328/0x630 [ 15.388843] ret_from_fork+0x10/0x20 [ 15.388881] [ 15.388902] The buggy address belongs to the object at fff00000c3f17c00 [ 15.388902] which belongs to the cache kmalloc-128 of size 128 [ 15.389462] The buggy address is located 0 bytes inside of [ 15.389462] allocated 120-byte region [fff00000c3f17c00, fff00000c3f17c78) [ 15.389802] [ 15.389903] The buggy address belongs to the physical page: [ 15.389938] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f17 [ 15.390003] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.390390] page_type: f5(slab) [ 15.390544] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.390641] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.390776] page dumped because: kasan: bad access detected [ 15.390847] [ 15.390966] Memory state around the buggy address: [ 15.391032] fff00000c3f17b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.391081] fff00000c3f17b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.391379] >fff00000c3f17c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.391449] ^ [ 15.391597] fff00000c3f17c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.391662] fff00000c3f17d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.391827] ==================================================================
[ 12.229004] ================================================================== [ 12.229466] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 12.229787] Write of size 128 at addr ffff8881029ce100 by task kunit_try_catch/189 [ 12.230122] [ 12.230233] CPU: 0 UID: 0 PID: 189 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.230287] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.230298] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.230318] Call Trace: [ 12.230329] <TASK> [ 12.230343] dump_stack_lvl+0x73/0xb0 [ 12.230382] print_report+0xd1/0x610 [ 12.230403] ? __virt_addr_valid+0x1db/0x2d0 [ 12.230426] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.230459] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.230481] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.230502] kasan_report+0x141/0x180 [ 12.230523] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.230550] kasan_check_range+0x10c/0x1c0 [ 12.230573] __asan_memset+0x27/0x50 [ 12.230591] kmalloc_oob_in_memset+0x15f/0x320 [ 12.230612] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 12.230655] ? __schedule+0x10cc/0x2b60 [ 12.230677] ? __pfx_read_tsc+0x10/0x10 [ 12.230696] ? ktime_get_ts64+0x86/0x230 [ 12.230719] kunit_try_run_case+0x1a5/0x480 [ 12.230753] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.230774] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.230797] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.230819] ? __kthread_parkme+0x82/0x180 [ 12.230839] ? preempt_count_sub+0x50/0x80 [ 12.230862] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.230885] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.230918] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.230941] kthread+0x337/0x6f0 [ 12.230959] ? trace_preempt_on+0x20/0xc0 [ 12.230992] ? __pfx_kthread+0x10/0x10 [ 12.231012] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.231032] ? calculate_sigpending+0x7b/0xa0 [ 12.231055] ? __pfx_kthread+0x10/0x10 [ 12.231075] ret_from_fork+0x116/0x1d0 [ 12.231093] ? __pfx_kthread+0x10/0x10 [ 12.231123] ret_from_fork_asm+0x1a/0x30 [ 12.231164] </TASK> [ 12.231174] [ 12.238635] Allocated by task 189: [ 12.238775] kasan_save_stack+0x45/0x70 [ 12.239153] kasan_save_track+0x18/0x40 [ 12.239469] kasan_save_alloc_info+0x3b/0x50 [ 12.239925] __kasan_kmalloc+0xb7/0xc0 [ 12.240247] __kmalloc_cache_noprof+0x189/0x420 [ 12.240545] kmalloc_oob_in_memset+0xac/0x320 [ 12.240707] kunit_try_run_case+0x1a5/0x480 [ 12.240854] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.241038] kthread+0x337/0x6f0 [ 12.241189] ret_from_fork+0x116/0x1d0 [ 12.241385] ret_from_fork_asm+0x1a/0x30 [ 12.241629] [ 12.241728] The buggy address belongs to the object at ffff8881029ce100 [ 12.241728] which belongs to the cache kmalloc-128 of size 128 [ 12.242493] The buggy address is located 0 bytes inside of [ 12.242493] allocated 120-byte region [ffff8881029ce100, ffff8881029ce178) [ 12.243254] [ 12.243382] The buggy address belongs to the physical page: [ 12.243864] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029ce [ 12.244144] flags: 0x200000000000000(node=0|zone=2) [ 12.244321] page_type: f5(slab) [ 12.244442] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.244776] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.245170] page dumped because: kasan: bad access detected [ 12.245409] [ 12.245477] Memory state around the buggy address: [ 12.245631] ffff8881029ce000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.246256] ffff8881029ce080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.246658] >ffff8881029ce100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.246942] ^ [ 12.247285] ffff8881029ce180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.247615] ffff8881029ce200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.247911] ==================================================================