Date
June 16, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.301530] ================================================================== [ 19.301907] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 19.302098] Write of size 4 at addr fff00000c6399f75 by task kunit_try_catch/183 [ 19.302254] [ 19.302374] CPU: 0 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 19.302600] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.302686] Hardware name: linux,dummy-virt (DT) [ 19.302790] Call trace: [ 19.303056] show_stack+0x20/0x38 (C) [ 19.303458] dump_stack_lvl+0x8c/0xd0 [ 19.303569] print_report+0x118/0x608 [ 19.304003] kasan_report+0xdc/0x128 [ 19.304109] kasan_check_range+0x100/0x1a8 [ 19.304219] __asan_memset+0x34/0x78 [ 19.304316] kmalloc_oob_memset_4+0x150/0x300 [ 19.304423] kunit_try_run_case+0x170/0x3f0 [ 19.304529] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.304643] kthread+0x328/0x630 [ 19.304731] ret_from_fork+0x10/0x20 [ 19.304855] [ 19.304901] Allocated by task 183: [ 19.305168] kasan_save_stack+0x3c/0x68 [ 19.305382] kasan_save_track+0x20/0x40 [ 19.305559] kasan_save_alloc_info+0x40/0x58 [ 19.305660] __kasan_kmalloc+0xd4/0xd8 [ 19.305756] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.306581] kmalloc_oob_memset_4+0xb0/0x300 [ 19.306848] kunit_try_run_case+0x170/0x3f0 [ 19.307027] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.307241] kthread+0x328/0x630 [ 19.307365] ret_from_fork+0x10/0x20 [ 19.307534] [ 19.307584] The buggy address belongs to the object at fff00000c6399f00 [ 19.307584] which belongs to the cache kmalloc-128 of size 128 [ 19.308034] The buggy address is located 117 bytes inside of [ 19.308034] allocated 120-byte region [fff00000c6399f00, fff00000c6399f78) [ 19.308221] [ 19.308280] The buggy address belongs to the physical page: [ 19.308358] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106399 [ 19.308579] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.308844] page_type: f5(slab) [ 19.309065] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.309394] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.309507] page dumped because: kasan: bad access detected [ 19.309600] [ 19.309646] Memory state around the buggy address: [ 19.309730] fff00000c6399e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.310897] fff00000c6399e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.311021] >fff00000c6399f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.311124] ^ [ 19.311499] fff00000c6399f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.311610] fff00000c639a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.311830] ==================================================================
[ 11.534860] ================================================================== [ 11.535710] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330 [ 11.536351] Write of size 4 at addr ffff8881028e2475 by task kunit_try_catch/199 [ 11.536738] [ 11.536833] CPU: 1 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 11.536881] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.536891] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.536912] Call Trace: [ 11.536924] <TASK> [ 11.536956] dump_stack_lvl+0x73/0xb0 [ 11.536985] print_report+0xd1/0x650 [ 11.537007] ? __virt_addr_valid+0x1db/0x2d0 [ 11.537029] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.537049] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.537070] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.537090] kasan_report+0x141/0x180 [ 11.537111] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.537136] kasan_check_range+0x10c/0x1c0 [ 11.537158] __asan_memset+0x27/0x50 [ 11.537176] kmalloc_oob_memset_4+0x166/0x330 [ 11.537197] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 11.537219] ? __schedule+0x10cc/0x2b60 [ 11.537240] ? __pfx_read_tsc+0x10/0x10 [ 11.537260] ? ktime_get_ts64+0x86/0x230 [ 11.537286] kunit_try_run_case+0x1a5/0x480 [ 11.537309] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.537330] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.537352] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.537373] ? __kthread_parkme+0x82/0x180 [ 11.537547] ? preempt_count_sub+0x50/0x80 [ 11.537570] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.537592] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.537614] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.537635] kthread+0x337/0x6f0 [ 11.537654] ? trace_preempt_on+0x20/0xc0 [ 11.537677] ? __pfx_kthread+0x10/0x10 [ 11.537704] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.537723] ? calculate_sigpending+0x7b/0xa0 [ 11.537746] ? __pfx_kthread+0x10/0x10 [ 11.537767] ret_from_fork+0x116/0x1d0 [ 11.537784] ? __pfx_kthread+0x10/0x10 [ 11.537803] ret_from_fork_asm+0x1a/0x30 [ 11.537834] </TASK> [ 11.537844] [ 11.548389] Allocated by task 199: [ 11.548568] kasan_save_stack+0x45/0x70 [ 11.548764] kasan_save_track+0x18/0x40 [ 11.548944] kasan_save_alloc_info+0x3b/0x50 [ 11.549132] __kasan_kmalloc+0xb7/0xc0 [ 11.549296] __kmalloc_cache_noprof+0x189/0x420 [ 11.550117] kmalloc_oob_memset_4+0xac/0x330 [ 11.550296] kunit_try_run_case+0x1a5/0x480 [ 11.550698] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.551466] kthread+0x337/0x6f0 [ 11.551953] ret_from_fork+0x116/0x1d0 [ 11.552601] ret_from_fork_asm+0x1a/0x30 [ 11.553002] [ 11.553076] The buggy address belongs to the object at ffff8881028e2400 [ 11.553076] which belongs to the cache kmalloc-128 of size 128 [ 11.553807] The buggy address is located 117 bytes inside of [ 11.553807] allocated 120-byte region [ffff8881028e2400, ffff8881028e2478) [ 11.555442] [ 11.555835] The buggy address belongs to the physical page: [ 11.556354] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1028e2 [ 11.557192] flags: 0x200000000000000(node=0|zone=2) [ 11.557456] page_type: f5(slab) [ 11.557846] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.558531] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.558755] page dumped because: kasan: bad access detected [ 11.558915] [ 11.558992] Memory state around the buggy address: [ 11.559138] ffff8881028e2300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.559339] ffff8881028e2380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.560421] >ffff8881028e2400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.561135] ^ [ 11.561817] ffff8881028e2480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.562616] ffff8881028e2500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.563256] ==================================================================