Date
July 10, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.935199] ================================================================== [ 15.935262] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 15.935563] Write of size 128 at addr fff00000c63f3400 by task kunit_try_catch/170 [ 15.935734] [ 15.935792] CPU: 1 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 15.935927] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.935955] Hardware name: linux,dummy-virt (DT) [ 15.936013] Call trace: [ 15.936052] show_stack+0x20/0x38 (C) [ 15.936176] dump_stack_lvl+0x8c/0xd0 [ 15.936231] print_report+0x118/0x608 [ 15.936286] kasan_report+0xdc/0x128 [ 15.936339] kasan_check_range+0x100/0x1a8 [ 15.936620] __asan_memset+0x34/0x78 [ 15.936683] kmalloc_oob_in_memset+0x144/0x2d0 [ 15.936814] kunit_try_run_case+0x170/0x3f0 [ 15.936877] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.936946] kthread+0x328/0x630 [ 15.937051] ret_from_fork+0x10/0x20 [ 15.937116] [ 15.937134] Allocated by task 170: [ 15.937161] kasan_save_stack+0x3c/0x68 [ 15.937252] kasan_save_track+0x20/0x40 [ 15.937292] kasan_save_alloc_info+0x40/0x58 [ 15.937332] __kasan_kmalloc+0xd4/0xd8 [ 15.937384] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.937663] kmalloc_oob_in_memset+0xb0/0x2d0 [ 15.937728] kunit_try_run_case+0x170/0x3f0 [ 15.937846] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.937910] kthread+0x328/0x630 [ 15.937942] ret_from_fork+0x10/0x20 [ 15.937985] [ 15.938005] The buggy address belongs to the object at fff00000c63f3400 [ 15.938005] which belongs to the cache kmalloc-128 of size 128 [ 15.938205] The buggy address is located 0 bytes inside of [ 15.938205] allocated 120-byte region [fff00000c63f3400, fff00000c63f3478) [ 15.938407] [ 15.938468] The buggy address belongs to the physical page: [ 15.938525] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063f3 [ 15.938668] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.938760] page_type: f5(slab) [ 15.938874] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.938961] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.939011] page dumped because: kasan: bad access detected [ 15.939041] [ 15.939059] Memory state around the buggy address: [ 15.939398] fff00000c63f3300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.939464] fff00000c63f3380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.939596] >fff00000c63f3400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.939676] ^ [ 15.939763] fff00000c63f3480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.939881] fff00000c63f3500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.939961] ==================================================================
[ 12.753315] ================================================================== [ 12.753855] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 12.754098] Write of size 128 at addr ffff888102d5f500 by task kunit_try_catch/187 [ 12.754325] [ 12.755183] CPU: 1 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.755228] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.755239] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.755258] Call Trace: [ 12.755269] <TASK> [ 12.755283] dump_stack_lvl+0x73/0xb0 [ 12.755314] print_report+0xd1/0x650 [ 12.755335] ? __virt_addr_valid+0x1db/0x2d0 [ 12.755357] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.755390] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.755469] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.755492] kasan_report+0x141/0x180 [ 12.755514] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.755540] kasan_check_range+0x10c/0x1c0 [ 12.755564] __asan_memset+0x27/0x50 [ 12.755582] kmalloc_oob_in_memset+0x15f/0x320 [ 12.755605] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 12.755628] ? __schedule+0x10cc/0x2b60 [ 12.755652] ? __pfx_read_tsc+0x10/0x10 [ 12.755673] ? ktime_get_ts64+0x86/0x230 [ 12.755697] kunit_try_run_case+0x1a5/0x480 [ 12.755721] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.755744] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.755768] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.755791] ? __kthread_parkme+0x82/0x180 [ 12.755811] ? preempt_count_sub+0x50/0x80 [ 12.755833] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.755857] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.755881] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.755906] kthread+0x337/0x6f0 [ 12.755924] ? trace_preempt_on+0x20/0xc0 [ 12.755947] ? __pfx_kthread+0x10/0x10 [ 12.755967] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.755988] ? calculate_sigpending+0x7b/0xa0 [ 12.756013] ? __pfx_kthread+0x10/0x10 [ 12.756033] ret_from_fork+0x116/0x1d0 [ 12.756051] ? __pfx_kthread+0x10/0x10 [ 12.756071] ret_from_fork_asm+0x1a/0x30 [ 12.756101] </TASK> [ 12.756111] [ 12.763208] Allocated by task 187: [ 12.763457] kasan_save_stack+0x45/0x70 [ 12.763641] kasan_save_track+0x18/0x40 [ 12.763809] kasan_save_alloc_info+0x3b/0x50 [ 12.763995] __kasan_kmalloc+0xb7/0xc0 [ 12.764131] __kmalloc_cache_noprof+0x189/0x420 [ 12.764292] kmalloc_oob_in_memset+0xac/0x320 [ 12.764489] kunit_try_run_case+0x1a5/0x480 [ 12.764699] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.764951] kthread+0x337/0x6f0 [ 12.765173] ret_from_fork+0x116/0x1d0 [ 12.765384] ret_from_fork_asm+0x1a/0x30 [ 12.765759] [ 12.765858] The buggy address belongs to the object at ffff888102d5f500 [ 12.765858] which belongs to the cache kmalloc-128 of size 128 [ 12.766224] The buggy address is located 0 bytes inside of [ 12.766224] allocated 120-byte region [ffff888102d5f500, ffff888102d5f578) [ 12.766608] [ 12.766703] The buggy address belongs to the physical page: [ 12.766952] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d5f [ 12.767301] flags: 0x200000000000000(node=0|zone=2) [ 12.767757] page_type: f5(slab) [ 12.768014] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.768246] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.768478] page dumped because: kasan: bad access detected [ 12.768798] [ 12.768895] Memory state around the buggy address: [ 12.769125] ffff888102d5f400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.769543] ffff888102d5f480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.769868] >ffff888102d5f500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.770186] ^ [ 12.770564] ffff888102d5f580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.770810] ffff888102d5f600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.771129] ==================================================================