Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.721424] ================================================================== [ 22.722609] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 22.724208] Write of size 128 at addr fff00000c614cd00 by task kunit_try_catch/159 [ 22.724945] [ 22.725435] CPU: 1 UID: 0 PID: 159 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 22.725699] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.725767] Hardware name: linux,dummy-virt (DT) [ 22.725846] Call trace: [ 22.725923] show_stack+0x20/0x38 (C) [ 22.726044] dump_stack_lvl+0x8c/0xd0 [ 22.726177] print_report+0x118/0x608 [ 22.726290] kasan_report+0xdc/0x128 [ 22.726396] kasan_check_range+0x100/0x1a8 [ 22.726505] __asan_memset+0x34/0x78 [ 22.726620] kmalloc_oob_in_memset+0x144/0x2d0 [ 22.726754] kunit_try_run_case+0x170/0x3f0 [ 22.726911] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.727059] kthread+0x318/0x620 [ 22.727168] ret_from_fork+0x10/0x20 [ 22.727232] [ 22.734939] Allocated by task 159: [ 22.735494] kasan_save_stack+0x3c/0x68 [ 22.736127] kasan_save_track+0x20/0x40 [ 22.736627] kasan_save_alloc_info+0x40/0x58 [ 22.737168] __kasan_kmalloc+0xd4/0xd8 [ 22.737659] __kmalloc_cache_noprof+0x16c/0x3c0 [ 22.738288] kmalloc_oob_in_memset+0xb0/0x2d0 [ 22.738974] kunit_try_run_case+0x170/0x3f0 [ 22.739474] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.740101] kthread+0x318/0x620 [ 22.740604] ret_from_fork+0x10/0x20 [ 22.741100] [ 22.741464] The buggy address belongs to the object at fff00000c614cd00 [ 22.741464] which belongs to the cache kmalloc-128 of size 128 [ 22.742698] The buggy address is located 0 bytes inside of [ 22.742698] allocated 120-byte region [fff00000c614cd00, fff00000c614cd78) [ 22.744512] [ 22.744814] The buggy address belongs to the physical page: [ 22.745787] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10614c [ 22.746554] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.747581] page_type: f5(slab) [ 22.748053] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.748606] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.750978] page dumped because: kasan: bad access detected [ 22.751417] [ 22.751729] Memory state around the buggy address: [ 22.753048] fff00000c614cc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.755231] fff00000c614cc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.757456] >fff00000c614cd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.758103] ^ [ 22.758817] fff00000c614cd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.760550] fff00000c614ce00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.762241] ==================================================================
[ 17.621325] ================================================================== [ 17.622342] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x160/0x320 [ 17.623039] Write of size 128 at addr ffff8881024bfb00 by task kunit_try_catch/178 [ 17.623948] [ 17.624239] CPU: 0 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 17.624351] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.624382] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.624477] Call Trace: [ 17.624517] <TASK> [ 17.624562] dump_stack_lvl+0x73/0xb0 [ 17.624652] print_report+0xd1/0x650 [ 17.624706] ? __virt_addr_valid+0x1db/0x2d0 [ 17.624765] ? kmalloc_oob_in_memset+0x160/0x320 [ 17.624895] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.624998] ? kmalloc_oob_in_memset+0x160/0x320 [ 17.625051] kasan_report+0x140/0x180 [ 17.625106] ? kmalloc_oob_in_memset+0x160/0x320 [ 17.625174] kasan_check_range+0x10c/0x1c0 [ 17.625233] __asan_memset+0x27/0x50 [ 17.625282] kmalloc_oob_in_memset+0x160/0x320 [ 17.625328] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 17.625364] ? __schedule+0x1c5f/0x2840 [ 17.625399] ? __pfx_read_tsc+0x10/0x10 [ 17.625428] ? ktime_get_ts64+0x86/0x230 [ 17.625462] kunit_try_run_case+0x1a6/0x480 [ 17.625495] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.625521] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 17.625552] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.625581] ? __kthread_parkme+0x82/0x160 [ 17.625610] ? preempt_count_sub+0x50/0x80 [ 17.625641] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.625669] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.625701] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.625732] kthread+0x324/0x6e0 [ 17.625758] ? trace_preempt_on+0x20/0xc0 [ 17.625789] ? __pfx_kthread+0x10/0x10 [ 17.625816] ? _raw_spin_unlock_irq+0x47/0x80 [ 17.625844] ? calculate_sigpending+0x7b/0xa0 [ 17.625891] ? __pfx_kthread+0x10/0x10 [ 17.625920] ret_from_fork+0x41/0x80 [ 17.625945] ? __pfx_kthread+0x10/0x10 [ 17.625972] ret_from_fork_asm+0x1a/0x30 [ 17.626013] </TASK> [ 17.626028] [ 17.639228] Allocated by task 178: [ 17.639542] kasan_save_stack+0x45/0x70 [ 17.640059] kasan_save_track+0x18/0x40 [ 17.640414] kasan_save_alloc_info+0x3b/0x50 [ 17.640844] __kasan_kmalloc+0xb7/0xc0 [ 17.641189] __kmalloc_cache_noprof+0x18a/0x420 [ 17.641704] kmalloc_oob_in_memset+0xad/0x320 [ 17.642076] kunit_try_run_case+0x1a6/0x480 [ 17.642554] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.642973] kthread+0x324/0x6e0 [ 17.643374] ret_from_fork+0x41/0x80 [ 17.643674] ret_from_fork_asm+0x1a/0x30 [ 17.644116] [ 17.644274] The buggy address belongs to the object at ffff8881024bfb00 [ 17.644274] which belongs to the cache kmalloc-128 of size 128 [ 17.644970] The buggy address is located 0 bytes inside of [ 17.644970] allocated 120-byte region [ffff8881024bfb00, ffff8881024bfb78) [ 17.646053] [ 17.646337] The buggy address belongs to the physical page: [ 17.646904] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1024bf [ 17.647659] flags: 0x200000000000000(node=0|zone=2) [ 17.648214] page_type: f5(slab) [ 17.648623] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 17.649381] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.649942] page dumped because: kasan: bad access detected [ 17.650421] [ 17.650552] Memory state around the buggy address: [ 17.650804] ffff8881024bfa00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.651444] ffff8881024bfa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.652280] >ffff8881024bfb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.652847] ^ [ 17.653283] ffff8881024bfb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.653824] ffff8881024bfc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.654359] ==================================================================