Date
July 18, 2025, 1:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.524241] ================================================================== [ 31.524298] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 31.524347] Write of size 128 at addr fff00000c3efd800 by task kunit_try_catch/201 [ 31.524396] [ 31.524428] CPU: 0 UID: 0 PID: 201 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250718 #1 PREEMPT [ 31.524845] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.524972] Hardware name: linux,dummy-virt (DT) [ 31.525145] Call trace: [ 31.525215] show_stack+0x20/0x38 (C) [ 31.525363] dump_stack_lvl+0x8c/0xd0 [ 31.525424] print_report+0x118/0x5e8 [ 31.525752] kasan_report+0xdc/0x128 [ 31.525896] kasan_check_range+0x100/0x1a8 [ 31.526009] __asan_memset+0x34/0x78 [ 31.526188] kmalloc_oob_in_memset+0x144/0x2d0 [ 31.526287] kunit_try_run_case+0x170/0x3f0 [ 31.526409] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.526488] kthread+0x328/0x630 [ 31.526755] ret_from_fork+0x10/0x20 [ 31.526860] [ 31.527103] Allocated by task 201: [ 31.527305] kasan_save_stack+0x3c/0x68 [ 31.527477] kasan_save_track+0x20/0x40 [ 31.527673] kasan_save_alloc_info+0x40/0x58 [ 31.527894] __kasan_kmalloc+0xd4/0xd8 [ 31.527970] __kmalloc_cache_noprof+0x16c/0x3c0 [ 31.528036] kmalloc_oob_in_memset+0xb0/0x2d0 [ 31.529242] kunit_try_run_case+0x170/0x3f0 [ 31.529290] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.529332] kthread+0x328/0x630 [ 31.529365] ret_from_fork+0x10/0x20 [ 31.529400] [ 31.529419] The buggy address belongs to the object at fff00000c3efd800 [ 31.529419] which belongs to the cache kmalloc-128 of size 128 [ 31.529475] The buggy address is located 0 bytes inside of [ 31.529475] allocated 120-byte region [fff00000c3efd800, fff00000c3efd878) [ 31.529533] [ 31.529552] The buggy address belongs to the physical page: [ 31.529581] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103efd [ 31.529629] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.529675] page_type: f5(slab) [ 31.529712] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000100 dead000000000122 [ 31.529759] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 31.529796] page dumped because: kasan: bad access detected [ 31.529825] [ 31.529844] Memory state around the buggy address: [ 31.529875] fff00000c3efd700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.529915] fff00000c3efd780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.529954] >fff00000c3efd800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 31.529989] ^ [ 31.530032] fff00000c3efd880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.530071] fff00000c3efd900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.530118] ==================================================================
[ 24.891920] ================================================================== [ 24.892606] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 24.892869] Write of size 128 at addr ffff8881012bcf00 by task kunit_try_catch/218 [ 24.893730] [ 24.893898] CPU: 0 UID: 0 PID: 218 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250718 #1 PREEMPT(voluntary) [ 24.893952] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.893963] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.893985] Call Trace: [ 24.893998] <TASK> [ 24.894014] dump_stack_lvl+0x73/0xb0 [ 24.894047] print_report+0xd1/0x640 [ 24.894070] ? __virt_addr_valid+0x1db/0x2d0 [ 24.894093] ? kmalloc_oob_in_memset+0x15f/0x320 [ 24.894114] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.894139] ? kmalloc_oob_in_memset+0x15f/0x320 [ 24.894160] kasan_report+0x141/0x180 [ 24.894181] ? kmalloc_oob_in_memset+0x15f/0x320 [ 24.894221] kasan_check_range+0x10c/0x1c0 [ 24.894243] __asan_memset+0x27/0x50 [ 24.894266] kmalloc_oob_in_memset+0x15f/0x320 [ 24.894287] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 24.894308] ? __schedule+0x10da/0x2b60 [ 24.894332] ? __pfx_read_tsc+0x10/0x10 [ 24.894354] ? ktime_get_ts64+0x86/0x230 [ 24.894378] kunit_try_run_case+0x1a5/0x480 [ 24.894402] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.894423] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.894456] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.894489] ? __kthread_parkme+0x82/0x180 [ 24.894510] ? preempt_count_sub+0x50/0x80 [ 24.894533] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.894555] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.894577] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.894599] kthread+0x337/0x6f0 [ 24.894622] ? trace_preempt_on+0x20/0xc0 [ 24.894645] ? __pfx_kthread+0x10/0x10 [ 24.894665] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.894694] ? calculate_sigpending+0x7b/0xa0 [ 24.894719] ? __pfx_kthread+0x10/0x10 [ 24.894741] ret_from_fork+0x116/0x1d0 [ 24.894759] ? __pfx_kthread+0x10/0x10 [ 24.894779] ret_from_fork_asm+0x1a/0x30 [ 24.894821] </TASK> [ 24.894832] [ 24.906489] Allocated by task 218: [ 24.906626] kasan_save_stack+0x45/0x70 [ 24.906769] kasan_save_track+0x18/0x40 [ 24.907162] kasan_save_alloc_info+0x3b/0x50 [ 24.907542] __kasan_kmalloc+0xb7/0xc0 [ 24.907887] __kmalloc_cache_noprof+0x189/0x420 [ 24.908444] kmalloc_oob_in_memset+0xac/0x320 [ 24.908845] kunit_try_run_case+0x1a5/0x480 [ 24.909270] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.909742] kthread+0x337/0x6f0 [ 24.910030] ret_from_fork+0x116/0x1d0 [ 24.910398] ret_from_fork_asm+0x1a/0x30 [ 24.910813] [ 24.910969] The buggy address belongs to the object at ffff8881012bcf00 [ 24.910969] which belongs to the cache kmalloc-128 of size 128 [ 24.911835] The buggy address is located 0 bytes inside of [ 24.911835] allocated 120-byte region [ffff8881012bcf00, ffff8881012bcf78) [ 24.912273] [ 24.912411] The buggy address belongs to the physical page: [ 24.912907] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1012bc [ 24.913643] flags: 0x200000000000000(node=0|zone=2) [ 24.913977] page_type: f5(slab) [ 24.914130] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 24.914518] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.914744] page dumped because: kasan: bad access detected [ 24.915192] [ 24.915327] Memory state around the buggy address: [ 24.915518] ffff8881012bce00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.915730] ffff8881012bce80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.915937] >ffff8881012bcf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.916276] ^ [ 24.916559] ffff8881012bcf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.916839] ffff8881012bd000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.917169] ==================================================================