Date
July 17, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.396120] ================================================================== [ 15.396224] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 15.396285] Write of size 4 at addr fff00000c786a475 by task kunit_try_catch/175 [ 15.396333] [ 15.396486] CPU: 0 UID: 0 PID: 175 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 15.396584] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.396611] Hardware name: linux,dummy-virt (DT) [ 15.396649] Call trace: [ 15.396827] show_stack+0x20/0x38 (C) [ 15.397193] dump_stack_lvl+0x8c/0xd0 [ 15.397335] print_report+0x118/0x5d0 [ 15.397471] kasan_report+0xdc/0x128 [ 15.397662] kasan_check_range+0x100/0x1a8 [ 15.397877] __asan_memset+0x34/0x78 [ 15.397943] kmalloc_oob_memset_4+0x150/0x300 [ 15.398121] kunit_try_run_case+0x170/0x3f0 [ 15.398359] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.398516] kthread+0x328/0x630 [ 15.398672] ret_from_fork+0x10/0x20 [ 15.398891] [ 15.399045] Allocated by task 175: [ 15.399158] kasan_save_stack+0x3c/0x68 [ 15.399306] kasan_save_track+0x20/0x40 [ 15.399385] kasan_save_alloc_info+0x40/0x58 [ 15.399455] __kasan_kmalloc+0xd4/0xd8 [ 15.399652] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.399813] kmalloc_oob_memset_4+0xb0/0x300 [ 15.399857] kunit_try_run_case+0x170/0x3f0 [ 15.399894] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.400188] kthread+0x328/0x630 [ 15.400313] ret_from_fork+0x10/0x20 [ 15.400364] [ 15.400383] The buggy address belongs to the object at fff00000c786a400 [ 15.400383] which belongs to the cache kmalloc-128 of size 128 [ 15.400587] The buggy address is located 117 bytes inside of [ 15.400587] allocated 120-byte region [fff00000c786a400, fff00000c786a478) [ 15.400785] [ 15.400831] The buggy address belongs to the physical page: [ 15.401107] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10786a [ 15.401325] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.401456] page_type: f5(slab) [ 15.401582] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.401939] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.401998] page dumped because: kasan: bad access detected [ 15.402029] [ 15.402117] Memory state around the buggy address: [ 15.402207] fff00000c786a300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.402262] fff00000c786a380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.402583] >fff00000c786a400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.402646] ^ [ 15.402831] fff00000c786a480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.402986] fff00000c786a500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.403064] ==================================================================
[ 13.167950] ================================================================== [ 13.168520] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330 [ 13.168848] Write of size 4 at addr ffff8881025cc275 by task kunit_try_catch/191 [ 13.169142] [ 13.169271] CPU: 1 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.169314] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.169325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.169346] Call Trace: [ 13.169358] <TASK> [ 13.169374] dump_stack_lvl+0x73/0xb0 [ 13.169405] print_report+0xd1/0x610 [ 13.169448] ? __virt_addr_valid+0x1db/0x2d0 [ 13.169474] ? kmalloc_oob_memset_4+0x166/0x330 [ 13.169497] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.169532] ? kmalloc_oob_memset_4+0x166/0x330 [ 13.169566] kasan_report+0x141/0x180 [ 13.169588] ? kmalloc_oob_memset_4+0x166/0x330 [ 13.169616] kasan_check_range+0x10c/0x1c0 [ 13.169648] __asan_memset+0x27/0x50 [ 13.169668] kmalloc_oob_memset_4+0x166/0x330 [ 13.169690] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 13.169725] ? __schedule+0x10cc/0x2b60 [ 13.169747] ? __pfx_read_tsc+0x10/0x10 [ 13.169767] ? ktime_get_ts64+0x86/0x230 [ 13.169791] kunit_try_run_case+0x1a5/0x480 [ 13.169815] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.169839] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.169862] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.169886] ? __kthread_parkme+0x82/0x180 [ 13.169907] ? preempt_count_sub+0x50/0x80 [ 13.169931] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.169964] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.169989] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.170014] kthread+0x337/0x6f0 [ 13.170044] ? trace_preempt_on+0x20/0xc0 [ 13.170067] ? __pfx_kthread+0x10/0x10 [ 13.170088] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.170109] ? calculate_sigpending+0x7b/0xa0 [ 13.170133] ? __pfx_kthread+0x10/0x10 [ 13.170154] ret_from_fork+0x116/0x1d0 [ 13.170172] ? __pfx_kthread+0x10/0x10 [ 13.170193] ret_from_fork_asm+0x1a/0x30 [ 13.170223] </TASK> [ 13.170232] [ 13.178149] Allocated by task 191: [ 13.178356] kasan_save_stack+0x45/0x70 [ 13.178596] kasan_save_track+0x18/0x40 [ 13.178742] kasan_save_alloc_info+0x3b/0x50 [ 13.178952] __kasan_kmalloc+0xb7/0xc0 [ 13.179164] __kmalloc_cache_noprof+0x189/0x420 [ 13.179395] kmalloc_oob_memset_4+0xac/0x330 [ 13.179580] kunit_try_run_case+0x1a5/0x480 [ 13.179729] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.179942] kthread+0x337/0x6f0 [ 13.180125] ret_from_fork+0x116/0x1d0 [ 13.180310] ret_from_fork_asm+0x1a/0x30 [ 13.180503] [ 13.180606] The buggy address belongs to the object at ffff8881025cc200 [ 13.180606] which belongs to the cache kmalloc-128 of size 128 [ 13.180996] The buggy address is located 117 bytes inside of [ 13.180996] allocated 120-byte region [ffff8881025cc200, ffff8881025cc278) [ 13.181706] [ 13.181829] The buggy address belongs to the physical page: [ 13.182038] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1025cc [ 13.182331] flags: 0x200000000000000(node=0|zone=2) [ 13.182494] page_type: f5(slab) [ 13.182626] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.182963] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.183307] page dumped because: kasan: bad access detected [ 13.183559] [ 13.183677] Memory state around the buggy address: [ 13.183897] ffff8881025cc100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.184139] ffff8881025cc180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.184365] >ffff8881025cc200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 13.185003] ^ [ 13.185322] ffff8881025cc280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.185702] ffff8881025cc300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.186002] ==================================================================