Date
July 9, 2025, 11:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.813940] ================================================================== [ 16.814005] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 16.814502] Write of size 16 at addr fff00000c638bc69 by task kunit_try_catch/178 [ 16.814784] [ 16.814825] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.814908] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.814933] Hardware name: linux,dummy-virt (DT) [ 16.814965] Call trace: [ 16.814988] show_stack+0x20/0x38 (C) [ 16.815039] dump_stack_lvl+0x8c/0xd0 [ 16.815085] print_report+0x118/0x608 [ 16.815143] kasan_report+0xdc/0x128 [ 16.815187] kasan_check_range+0x100/0x1a8 [ 16.815232] __asan_memset+0x34/0x78 [ 16.815273] kmalloc_oob_memset_16+0x150/0x2f8 [ 16.815317] kunit_try_run_case+0x170/0x3f0 [ 16.815364] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.815414] kthread+0x328/0x630 [ 16.815455] ret_from_fork+0x10/0x20 [ 16.815503] [ 16.815521] Allocated by task 178: [ 16.815548] kasan_save_stack+0x3c/0x68 [ 16.815588] kasan_save_track+0x20/0x40 [ 16.815624] kasan_save_alloc_info+0x40/0x58 [ 16.815671] __kasan_kmalloc+0xd4/0xd8 [ 16.815706] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.815745] kmalloc_oob_memset_16+0xb0/0x2f8 [ 16.815781] kunit_try_run_case+0x170/0x3f0 [ 16.816825] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.817619] kthread+0x328/0x630 [ 16.817653] ret_from_fork+0x10/0x20 [ 16.817689] [ 16.817710] The buggy address belongs to the object at fff00000c638bc00 [ 16.817710] which belongs to the cache kmalloc-128 of size 128 [ 16.817767] The buggy address is located 105 bytes inside of [ 16.817767] allocated 120-byte region [fff00000c638bc00, fff00000c638bc78) [ 16.817826] [ 16.817853] The buggy address belongs to the physical page: [ 16.817885] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10638b [ 16.817938] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.817993] page_type: f5(slab) [ 16.818033] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.818081] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.818130] page dumped because: kasan: bad access detected [ 16.818160] [ 16.818177] Memory state around the buggy address: [ 16.818210] fff00000c638bb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.818251] fff00000c638bb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.818292] >fff00000c638bc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.818396] ^ [ 16.818496] fff00000c638bc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.818598] fff00000c638bd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.818724] ==================================================================
[ 12.714776] ================================================================== [ 12.715441] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 12.715690] Write of size 16 at addr ffff8881031dba69 by task kunit_try_catch/195 [ 12.715926] [ 12.716019] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.716069] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.716080] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.716100] Call Trace: [ 12.716112] <TASK> [ 12.716127] dump_stack_lvl+0x73/0xb0 [ 12.716163] print_report+0xd1/0x650 [ 12.716185] ? __virt_addr_valid+0x1db/0x2d0 [ 12.716208] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.716229] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.716252] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.716274] kasan_report+0x141/0x180 [ 12.716296] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.716327] kasan_check_range+0x10c/0x1c0 [ 12.716350] __asan_memset+0x27/0x50 [ 12.716369] kmalloc_oob_memset_16+0x166/0x330 [ 12.716392] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 12.716415] ? __schedule+0x10cc/0x2b60 [ 12.716436] ? __pfx_read_tsc+0x10/0x10 [ 12.716457] ? ktime_get_ts64+0x86/0x230 [ 12.716481] kunit_try_run_case+0x1a5/0x480 [ 12.716505] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.716527] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.716551] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.716574] ? __kthread_parkme+0x82/0x180 [ 12.716595] ? preempt_count_sub+0x50/0x80 [ 12.716618] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.716642] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.716666] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.716766] kthread+0x337/0x6f0 [ 12.716810] ? trace_preempt_on+0x20/0xc0 [ 12.716834] ? __pfx_kthread+0x10/0x10 [ 12.716855] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.716877] ? calculate_sigpending+0x7b/0xa0 [ 12.716901] ? __pfx_kthread+0x10/0x10 [ 12.716921] ret_from_fork+0x116/0x1d0 [ 12.717354] ? __pfx_kthread+0x10/0x10 [ 12.717377] ret_from_fork_asm+0x1a/0x30 [ 12.717410] </TASK> [ 12.717421] [ 12.728777] Allocated by task 195: [ 12.728940] kasan_save_stack+0x45/0x70 [ 12.729416] kasan_save_track+0x18/0x40 [ 12.729698] kasan_save_alloc_info+0x3b/0x50 [ 12.730011] __kasan_kmalloc+0xb7/0xc0 [ 12.730392] __kmalloc_cache_noprof+0x189/0x420 [ 12.730696] kmalloc_oob_memset_16+0xac/0x330 [ 12.731024] kunit_try_run_case+0x1a5/0x480 [ 12.731395] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.731663] kthread+0x337/0x6f0 [ 12.731840] ret_from_fork+0x116/0x1d0 [ 12.732017] ret_from_fork_asm+0x1a/0x30 [ 12.732499] [ 12.732577] The buggy address belongs to the object at ffff8881031dba00 [ 12.732577] which belongs to the cache kmalloc-128 of size 128 [ 12.733827] The buggy address is located 105 bytes inside of [ 12.733827] allocated 120-byte region [ffff8881031dba00, ffff8881031dba78) [ 12.734617] [ 12.734914] The buggy address belongs to the physical page: [ 12.735574] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1031db [ 12.736431] flags: 0x200000000000000(node=0|zone=2) [ 12.736656] page_type: f5(slab) [ 12.736834] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.737454] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.737847] page dumped because: kasan: bad access detected [ 12.738306] [ 12.738551] Memory state around the buggy address: [ 12.738848] ffff8881031db900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.739393] ffff8881031db980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.739723] >ffff8881031dba00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.740024] ^ [ 12.740783] ffff8881031dba80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.741460] ffff8881031dbb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.741786] ==================================================================