Date
July 3, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.751647] ================================================================== [ 19.751957] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 19.752087] Write of size 16 at addr fff00000c6345d69 by task kunit_try_catch/178 [ 19.752196] [ 19.752318] CPU: 0 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 19.752824] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.753149] Hardware name: linux,dummy-virt (DT) [ 19.753330] Call trace: [ 19.753458] show_stack+0x20/0x38 (C) [ 19.753831] dump_stack_lvl+0x8c/0xd0 [ 19.754104] print_report+0x118/0x608 [ 19.754338] kasan_report+0xdc/0x128 [ 19.754534] kasan_check_range+0x100/0x1a8 [ 19.754855] __asan_memset+0x34/0x78 [ 19.754943] kmalloc_oob_memset_16+0x150/0x2f8 [ 19.755045] kunit_try_run_case+0x170/0x3f0 [ 19.755133] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.755279] kthread+0x328/0x630 [ 19.755376] ret_from_fork+0x10/0x20 [ 19.755492] [ 19.755531] Allocated by task 178: [ 19.755591] kasan_save_stack+0x3c/0x68 [ 19.755678] kasan_save_track+0x20/0x40 [ 19.755760] kasan_save_alloc_info+0x40/0x58 [ 19.755845] __kasan_kmalloc+0xd4/0xd8 [ 19.755952] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.756060] kmalloc_oob_memset_16+0xb0/0x2f8 [ 19.756146] kunit_try_run_case+0x170/0x3f0 [ 19.756226] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.756330] kthread+0x328/0x630 [ 19.756398] ret_from_fork+0x10/0x20 [ 19.756474] [ 19.756531] The buggy address belongs to the object at fff00000c6345d00 [ 19.756531] which belongs to the cache kmalloc-128 of size 128 [ 19.756676] The buggy address is located 105 bytes inside of [ 19.756676] allocated 120-byte region [fff00000c6345d00, fff00000c6345d78) [ 19.756825] [ 19.756869] The buggy address belongs to the physical page: [ 19.756939] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106345 [ 19.757080] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.757202] page_type: f5(slab) [ 19.757285] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.757389] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.757478] page dumped because: kasan: bad access detected [ 19.757545] [ 19.757584] Memory state around the buggy address: [ 19.757656] fff00000c6345c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.758281] fff00000c6345c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.758636] >fff00000c6345d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.758737] ^ [ 19.758833] fff00000c6345d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.758941] fff00000c6345e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.759078] ==================================================================
[ 11.694272] ================================================================== [ 11.694717] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 11.694954] Write of size 16 at addr ffff8881027a9e69 by task kunit_try_catch/195 [ 11.695366] [ 11.695596] CPU: 1 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.695639] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.695650] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.695680] Call Trace: [ 11.695692] <TASK> [ 11.695705] dump_stack_lvl+0x73/0xb0 [ 11.695731] print_report+0xd1/0x650 [ 11.695752] ? __virt_addr_valid+0x1db/0x2d0 [ 11.695775] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.695795] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.695816] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.695836] kasan_report+0x141/0x180 [ 11.695857] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.695883] kasan_check_range+0x10c/0x1c0 [ 11.695935] __asan_memset+0x27/0x50 [ 11.695954] kmalloc_oob_memset_16+0x166/0x330 [ 11.695975] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 11.696030] ? __schedule+0x10cc/0x2b60 [ 11.696051] ? __pfx_read_tsc+0x10/0x10 [ 11.696070] ? ktime_get_ts64+0x86/0x230 [ 11.696106] kunit_try_run_case+0x1a5/0x480 [ 11.696137] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.696158] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.696180] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.696201] ? __kthread_parkme+0x82/0x180 [ 11.696245] ? preempt_count_sub+0x50/0x80 [ 11.696268] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.696290] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.696324] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.696346] kthread+0x337/0x6f0 [ 11.696364] ? trace_preempt_on+0x20/0xc0 [ 11.696387] ? __pfx_kthread+0x10/0x10 [ 11.696406] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.696425] ? calculate_sigpending+0x7b/0xa0 [ 11.696447] ? __pfx_kthread+0x10/0x10 [ 11.696467] ret_from_fork+0x116/0x1d0 [ 11.696484] ? __pfx_kthread+0x10/0x10 [ 11.696503] ret_from_fork_asm+0x1a/0x30 [ 11.696532] </TASK> [ 11.696543] [ 11.710149] Allocated by task 195: [ 11.710466] kasan_save_stack+0x45/0x70 [ 11.710899] kasan_save_track+0x18/0x40 [ 11.711327] kasan_save_alloc_info+0x3b/0x50 [ 11.711731] __kasan_kmalloc+0xb7/0xc0 [ 11.712103] __kmalloc_cache_noprof+0x189/0x420 [ 11.712591] kmalloc_oob_memset_16+0xac/0x330 [ 11.713135] kunit_try_run_case+0x1a5/0x480 [ 11.713641] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.713933] kthread+0x337/0x6f0 [ 11.714057] ret_from_fork+0x116/0x1d0 [ 11.714362] ret_from_fork_asm+0x1a/0x30 [ 11.714820] [ 11.714990] The buggy address belongs to the object at ffff8881027a9e00 [ 11.714990] which belongs to the cache kmalloc-128 of size 128 [ 11.716261] The buggy address is located 105 bytes inside of [ 11.716261] allocated 120-byte region [ffff8881027a9e00, ffff8881027a9e78) [ 11.717040] [ 11.717112] The buggy address belongs to the physical page: [ 11.717287] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027a9 [ 11.717530] flags: 0x200000000000000(node=0|zone=2) [ 11.717686] page_type: f5(slab) [ 11.717854] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.718205] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.718537] page dumped because: kasan: bad access detected [ 11.718703] [ 11.718771] Memory state around the buggy address: [ 11.719029] ffff8881027a9d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.719438] ffff8881027a9d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.719868] >ffff8881027a9e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.720238] ^ [ 11.720724] ffff8881027a9e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.721041] ffff8881027a9f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.721319] ==================================================================