Date
July 10, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.986401] ================================================================== [ 15.986461] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 15.986689] Write of size 16 at addr fff00000c63f3869 by task kunit_try_catch/178 [ 15.986752] [ 15.986859] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 15.986962] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.987063] Hardware name: linux,dummy-virt (DT) [ 15.987138] Call trace: [ 15.987177] show_stack+0x20/0x38 (C) [ 15.987277] dump_stack_lvl+0x8c/0xd0 [ 15.987365] print_report+0x118/0x608 [ 15.987438] kasan_report+0xdc/0x128 [ 15.987544] kasan_check_range+0x100/0x1a8 [ 15.987594] __asan_memset+0x34/0x78 [ 15.987823] kmalloc_oob_memset_16+0x150/0x2f8 [ 15.987931] kunit_try_run_case+0x170/0x3f0 [ 15.988125] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.988202] kthread+0x328/0x630 [ 15.988290] ret_from_fork+0x10/0x20 [ 15.988381] [ 15.988406] Allocated by task 178: [ 15.988481] kasan_save_stack+0x3c/0x68 [ 15.989885] kasan_save_track+0x20/0x40 [ 15.990633] kasan_save_alloc_info+0x40/0x58 [ 15.990682] __kasan_kmalloc+0xd4/0xd8 [ 15.990748] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.990791] kmalloc_oob_memset_16+0xb0/0x2f8 [ 15.990828] kunit_try_run_case+0x170/0x3f0 [ 15.992904] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.993002] kthread+0x328/0x630 [ 15.993114] ret_from_fork+0x10/0x20 [ 15.993171] [ 15.993220] The buggy address belongs to the object at fff00000c63f3800 [ 15.993220] which belongs to the cache kmalloc-128 of size 128 [ 15.993300] The buggy address is located 105 bytes inside of [ 15.993300] allocated 120-byte region [fff00000c63f3800, fff00000c63f3878) [ 15.993384] [ 15.993443] The buggy address belongs to the physical page: [ 15.993474] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063f3 [ 15.993526] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.993814] page_type: f5(slab) [ 15.993912] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.993991] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.994105] page dumped because: kasan: bad access detected [ 15.994163] [ 15.994214] Memory state around the buggy address: [ 15.994296] fff00000c63f3700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.994384] fff00000c63f3780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.994455] >fff00000c63f3800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.994541] ^ [ 15.994599] fff00000c63f3880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.994669] fff00000c63f3900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.994760] ==================================================================
[ 12.855482] ================================================================== [ 12.856067] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 12.856498] Write of size 16 at addr ffff888102d5f669 by task kunit_try_catch/195 [ 12.857315] [ 12.857482] CPU: 1 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.857555] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.857568] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.857605] Call Trace: [ 12.857616] <TASK> [ 12.857643] dump_stack_lvl+0x73/0xb0 [ 12.857675] print_report+0xd1/0x650 [ 12.857697] ? __virt_addr_valid+0x1db/0x2d0 [ 12.857718] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.857739] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.857762] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.857808] kasan_report+0x141/0x180 [ 12.857830] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.857857] kasan_check_range+0x10c/0x1c0 [ 12.857907] __asan_memset+0x27/0x50 [ 12.857936] kmalloc_oob_memset_16+0x166/0x330 [ 12.857958] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 12.857981] ? __schedule+0x10cc/0x2b60 [ 12.858005] ? __pfx_read_tsc+0x10/0x10 [ 12.858026] ? ktime_get_ts64+0x86/0x230 [ 12.858050] kunit_try_run_case+0x1a5/0x480 [ 12.858074] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.858097] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.858120] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.858144] ? __kthread_parkme+0x82/0x180 [ 12.858163] ? preempt_count_sub+0x50/0x80 [ 12.858186] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.858210] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.858234] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.858259] kthread+0x337/0x6f0 [ 12.858277] ? trace_preempt_on+0x20/0xc0 [ 12.858300] ? __pfx_kthread+0x10/0x10 [ 12.858320] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.858342] ? calculate_sigpending+0x7b/0xa0 [ 12.858460] ? __pfx_kthread+0x10/0x10 [ 12.858482] ret_from_fork+0x116/0x1d0 [ 12.858500] ? __pfx_kthread+0x10/0x10 [ 12.858520] ret_from_fork_asm+0x1a/0x30 [ 12.858550] </TASK> [ 12.858560] [ 12.867374] Allocated by task 195: [ 12.867505] kasan_save_stack+0x45/0x70 [ 12.867741] kasan_save_track+0x18/0x40 [ 12.867939] kasan_save_alloc_info+0x3b/0x50 [ 12.868151] __kasan_kmalloc+0xb7/0xc0 [ 12.868346] __kmalloc_cache_noprof+0x189/0x420 [ 12.868542] kmalloc_oob_memset_16+0xac/0x330 [ 12.869084] kunit_try_run_case+0x1a5/0x480 [ 12.869305] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.869671] kthread+0x337/0x6f0 [ 12.870023] ret_from_fork+0x116/0x1d0 [ 12.870288] ret_from_fork_asm+0x1a/0x30 [ 12.870475] [ 12.870544] The buggy address belongs to the object at ffff888102d5f600 [ 12.870544] which belongs to the cache kmalloc-128 of size 128 [ 12.871025] The buggy address is located 105 bytes inside of [ 12.871025] allocated 120-byte region [ffff888102d5f600, ffff888102d5f678) [ 12.871545] [ 12.871615] The buggy address belongs to the physical page: [ 12.872253] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d5f [ 12.872588] flags: 0x200000000000000(node=0|zone=2) [ 12.872987] page_type: f5(slab) [ 12.873155] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.873575] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.874027] page dumped because: kasan: bad access detected [ 12.874210] [ 12.874355] Memory state around the buggy address: [ 12.874806] ffff888102d5f500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.875193] ffff888102d5f580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.875449] >ffff888102d5f600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.875848] ^ [ 12.876344] ffff888102d5f680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.876863] ffff888102d5f700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.877157] ==================================================================