Date
July 5, 2025, 5:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.304808] ================================================================== [ 18.305221] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 18.305286] Write of size 128 at addr fff00000c5cbba00 by task kunit_try_catch/170 [ 18.305352] [ 18.305401] CPU: 1 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.305480] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.305506] Hardware name: linux,dummy-virt (DT) [ 18.305535] Call trace: [ 18.305802] show_stack+0x20/0x38 (C) [ 18.305935] dump_stack_lvl+0x8c/0xd0 [ 18.306009] print_report+0x118/0x608 [ 18.306063] kasan_report+0xdc/0x128 [ 18.306107] kasan_check_range+0x100/0x1a8 [ 18.306189] __asan_memset+0x34/0x78 [ 18.306233] kmalloc_oob_in_memset+0x144/0x2d0 [ 18.306313] kunit_try_run_case+0x170/0x3f0 [ 18.306528] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.306596] kthread+0x328/0x630 [ 18.306638] ret_from_fork+0x10/0x20 [ 18.306692] [ 18.306710] Allocated by task 170: [ 18.306737] kasan_save_stack+0x3c/0x68 [ 18.306985] kasan_save_track+0x20/0x40 [ 18.307165] kasan_save_alloc_info+0x40/0x58 [ 18.307257] __kasan_kmalloc+0xd4/0xd8 [ 18.307459] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.307613] kmalloc_oob_in_memset+0xb0/0x2d0 [ 18.307750] kunit_try_run_case+0x170/0x3f0 [ 18.307839] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.308095] kthread+0x328/0x630 [ 18.308330] ret_from_fork+0x10/0x20 [ 18.308398] [ 18.308827] The buggy address belongs to the object at fff00000c5cbba00 [ 18.308827] which belongs to the cache kmalloc-128 of size 128 [ 18.308928] The buggy address is located 0 bytes inside of [ 18.308928] allocated 120-byte region [fff00000c5cbba00, fff00000c5cbba78) [ 18.309171] [ 18.309274] The buggy address belongs to the physical page: [ 18.309392] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105cbb [ 18.309583] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.309666] page_type: f5(slab) [ 18.309837] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.309915] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.310061] page dumped because: kasan: bad access detected [ 18.310205] [ 18.310303] Memory state around the buggy address: [ 18.310502] fff00000c5cbb900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.310582] fff00000c5cbb980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.310759] >fff00000c5cbba00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.310913] ^ [ 18.311050] fff00000c5cbba80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.311176] fff00000c5cbbb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.311286] ==================================================================
[ 11.638951] ================================================================== [ 11.639653] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 11.639958] Write of size 128 at addr ffff8881031d4400 by task kunit_try_catch/188 [ 11.640259] [ 11.640366] CPU: 1 UID: 0 PID: 188 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.640409] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.640421] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.640441] Call Trace: [ 11.640477] <TASK> [ 11.640492] dump_stack_lvl+0x73/0xb0 [ 11.640517] print_report+0xd1/0x650 [ 11.640539] ? __virt_addr_valid+0x1db/0x2d0 [ 11.640560] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.640581] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.640603] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.640624] kasan_report+0x141/0x180 [ 11.640646] ? kmalloc_oob_in_memset+0x15f/0x320 [ 11.640672] kasan_check_range+0x10c/0x1c0 [ 11.640694] __asan_memset+0x27/0x50 [ 11.640713] kmalloc_oob_in_memset+0x15f/0x320 [ 11.640735] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 11.640757] ? __schedule+0x10cc/0x2b60 [ 11.640777] ? __pfx_read_tsc+0x10/0x10 [ 11.640798] ? ktime_get_ts64+0x86/0x230 [ 11.640821] kunit_try_run_case+0x1a5/0x480 [ 11.640844] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.640865] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.640888] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.640910] ? __kthread_parkme+0x82/0x180 [ 11.640928] ? preempt_count_sub+0x50/0x80 [ 11.640951] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.640973] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.640995] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.641017] kthread+0x337/0x6f0 [ 11.641035] ? trace_preempt_on+0x20/0xc0 [ 11.641059] ? __pfx_kthread+0x10/0x10 [ 11.641100] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.641120] ? calculate_sigpending+0x7b/0xa0 [ 11.641142] ? __pfx_kthread+0x10/0x10 [ 11.641163] ret_from_fork+0x116/0x1d0 [ 11.641180] ? __pfx_kthread+0x10/0x10 [ 11.641200] ret_from_fork_asm+0x1a/0x30 [ 11.641230] </TASK> [ 11.641240] [ 11.648914] Allocated by task 188: [ 11.649049] kasan_save_stack+0x45/0x70 [ 11.649263] kasan_save_track+0x18/0x40 [ 11.649750] kasan_save_alloc_info+0x3b/0x50 [ 11.649931] __kasan_kmalloc+0xb7/0xc0 [ 11.650079] __kmalloc_cache_noprof+0x189/0x420 [ 11.650474] kmalloc_oob_in_memset+0xac/0x320 [ 11.650649] kunit_try_run_case+0x1a5/0x480 [ 11.650802] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.650978] kthread+0x337/0x6f0 [ 11.651146] ret_from_fork+0x116/0x1d0 [ 11.651330] ret_from_fork_asm+0x1a/0x30 [ 11.651605] [ 11.651813] The buggy address belongs to the object at ffff8881031d4400 [ 11.651813] which belongs to the cache kmalloc-128 of size 128 [ 11.652336] The buggy address is located 0 bytes inside of [ 11.652336] allocated 120-byte region [ffff8881031d4400, ffff8881031d4478) [ 11.652866] [ 11.652941] The buggy address belongs to the physical page: [ 11.653116] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1031d4 [ 11.653428] flags: 0x200000000000000(node=0|zone=2) [ 11.653669] page_type: f5(slab) [ 11.653838] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.654351] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.654653] page dumped because: kasan: bad access detected [ 11.654829] [ 11.654938] Memory state around the buggy address: [ 11.655161] ffff8881031d4300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.655532] ffff8881031d4380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.655746] >ffff8881031d4400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.655957] ^ [ 11.656557] ffff8881031d4480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.656896] ffff8881031d4500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.657267] ==================================================================