Date
July 3, 2025, 3:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.644811] ================================================================== [ 15.644877] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 15.644933] Write of size 16 at addr fff00000c7811569 by task kunit_try_catch/181 [ 15.645158] [ 15.645368] CPU: 1 UID: 0 PID: 181 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT [ 15.645499] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.645664] Hardware name: linux,dummy-virt (DT) [ 15.645699] Call trace: [ 15.645729] show_stack+0x20/0x38 (C) [ 15.645781] dump_stack_lvl+0x8c/0xd0 [ 15.645837] print_report+0x118/0x608 [ 15.646055] kasan_report+0xdc/0x128 [ 15.646177] kasan_check_range+0x100/0x1a8 [ 15.646433] __asan_memset+0x34/0x78 [ 15.646552] kmalloc_oob_memset_16+0x150/0x2f8 [ 15.646719] kunit_try_run_case+0x170/0x3f0 [ 15.646790] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.646842] kthread+0x328/0x630 [ 15.646893] ret_from_fork+0x10/0x20 [ 15.646940] [ 15.646968] Allocated by task 181: [ 15.646997] kasan_save_stack+0x3c/0x68 [ 15.647035] kasan_save_track+0x20/0x40 [ 15.647539] kasan_save_alloc_info+0x40/0x58 [ 15.647615] __kasan_kmalloc+0xd4/0xd8 [ 15.647877] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.648097] kmalloc_oob_memset_16+0xb0/0x2f8 [ 15.648324] kunit_try_run_case+0x170/0x3f0 [ 15.648430] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.648613] kthread+0x328/0x630 [ 15.648871] ret_from_fork+0x10/0x20 [ 15.649082] [ 15.649199] The buggy address belongs to the object at fff00000c7811500 [ 15.649199] which belongs to the cache kmalloc-128 of size 128 [ 15.649409] The buggy address is located 105 bytes inside of [ 15.649409] allocated 120-byte region [fff00000c7811500, fff00000c7811578) [ 15.649494] [ 15.649519] The buggy address belongs to the physical page: [ 15.649774] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107811 [ 15.649930] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.650115] page_type: f5(slab) [ 15.650283] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.650382] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.650448] page dumped because: kasan: bad access detected [ 15.650627] [ 15.650784] Memory state around the buggy address: [ 15.650820] fff00000c7811400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.650864] fff00000c7811480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.650905] >fff00000c7811500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.651098] ^ [ 15.651142] fff00000c7811580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.651208] fff00000c7811600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.651245] ==================================================================
[ 11.338713] ================================================================== [ 11.339204] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 11.340098] Write of size 16 at addr ffff888102dc0969 by task kunit_try_catch/197 [ 11.340958] [ 11.341110] CPU: 1 UID: 0 PID: 197 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT(voluntary) [ 11.341160] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.341172] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.341221] Call Trace: [ 11.341245] <TASK> [ 11.341264] dump_stack_lvl+0x73/0xb0 [ 11.341291] print_report+0xd1/0x650 [ 11.341314] ? __virt_addr_valid+0x1db/0x2d0 [ 11.341336] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.341358] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.341380] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.341402] kasan_report+0x141/0x180 [ 11.341424] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.341485] kasan_check_range+0x10c/0x1c0 [ 11.341506] __asan_memset+0x27/0x50 [ 11.341526] kmalloc_oob_memset_16+0x166/0x330 [ 11.341549] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 11.341577] ? __schedule+0x10cc/0x2b60 [ 11.341600] ? __pfx_read_tsc+0x10/0x10 [ 11.341620] ? ktime_get_ts64+0x86/0x230 [ 11.341667] kunit_try_run_case+0x1a5/0x480 [ 11.341693] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.341714] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.341738] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.341761] ? __kthread_parkme+0x82/0x180 [ 11.341782] ? preempt_count_sub+0x50/0x80 [ 11.341807] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.341829] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.341852] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.341874] kthread+0x337/0x6f0 [ 11.341890] ? trace_preempt_on+0x20/0xc0 [ 11.341914] ? __pfx_kthread+0x10/0x10 [ 11.341932] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.341953] ? calculate_sigpending+0x7b/0xa0 [ 11.341974] ? __pfx_kthread+0x10/0x10 [ 11.341992] ret_from_fork+0x41/0x80 [ 11.342012] ? __pfx_kthread+0x10/0x10 [ 11.342030] ret_from_fork_asm+0x1a/0x30 [ 11.342060] </TASK> [ 11.342070] [ 11.355259] Allocated by task 197: [ 11.355566] kasan_save_stack+0x45/0x70 [ 11.355811] kasan_save_track+0x18/0x40 [ 11.355945] kasan_save_alloc_info+0x3b/0x50 [ 11.356086] __kasan_kmalloc+0xb7/0xc0 [ 11.356218] __kmalloc_cache_noprof+0x189/0x420 [ 11.356390] kmalloc_oob_memset_16+0xac/0x330 [ 11.356836] kunit_try_run_case+0x1a5/0x480 [ 11.357206] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.357741] kthread+0x337/0x6f0 [ 11.358080] ret_from_fork+0x41/0x80 [ 11.358461] ret_from_fork_asm+0x1a/0x30 [ 11.358835] [ 11.359005] The buggy address belongs to the object at ffff888102dc0900 [ 11.359005] which belongs to the cache kmalloc-128 of size 128 [ 11.360368] The buggy address is located 105 bytes inside of [ 11.360368] allocated 120-byte region [ffff888102dc0900, ffff888102dc0978) [ 11.361580] [ 11.361770] The buggy address belongs to the physical page: [ 11.362161] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102dc0 [ 11.362642] flags: 0x200000000000000(node=0|zone=2) [ 11.363152] page_type: f5(slab) [ 11.363497] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.364261] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.364864] page dumped because: kasan: bad access detected [ 11.365094] [ 11.365291] Memory state around the buggy address: [ 11.365838] ffff888102dc0800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.366557] ffff888102dc0880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.366892] >ffff888102dc0900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.367096] ^ [ 11.367390] ffff888102dc0980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.367603] ffff888102dc0a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.367807] ==================================================================