Date
July 9, 2025, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.046809] ================================================================== [ 17.046970] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 17.047108] Write of size 16 at addr fff00000c7767769 by task kunit_try_catch/178 [ 17.047182] [ 17.047266] CPU: 0 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 17.047351] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.047378] Hardware name: linux,dummy-virt (DT) [ 17.047545] Call trace: [ 17.047587] show_stack+0x20/0x38 (C) [ 17.047642] dump_stack_lvl+0x8c/0xd0 [ 17.047692] print_report+0x118/0x608 [ 17.047739] kasan_report+0xdc/0x128 [ 17.047793] kasan_check_range+0x100/0x1a8 [ 17.047841] __asan_memset+0x34/0x78 [ 17.047884] kmalloc_oob_memset_16+0x150/0x2f8 [ 17.047931] kunit_try_run_case+0x170/0x3f0 [ 17.047979] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.048036] kthread+0x328/0x630 [ 17.048078] ret_from_fork+0x10/0x20 [ 17.048138] [ 17.048156] Allocated by task 178: [ 17.048511] kasan_save_stack+0x3c/0x68 [ 17.048762] kasan_save_track+0x20/0x40 [ 17.048920] kasan_save_alloc_info+0x40/0x58 [ 17.049001] __kasan_kmalloc+0xd4/0xd8 [ 17.049047] __kmalloc_cache_noprof+0x16c/0x3c0 [ 17.049336] kmalloc_oob_memset_16+0xb0/0x2f8 [ 17.049413] kunit_try_run_case+0x170/0x3f0 [ 17.049480] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.049538] kthread+0x328/0x630 [ 17.049572] ret_from_fork+0x10/0x20 [ 17.049688] [ 17.049762] The buggy address belongs to the object at fff00000c7767700 [ 17.049762] which belongs to the cache kmalloc-128 of size 128 [ 17.049910] The buggy address is located 105 bytes inside of [ 17.049910] allocated 120-byte region [fff00000c7767700, fff00000c7767778) [ 17.050029] [ 17.050057] The buggy address belongs to the physical page: [ 17.050100] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107767 [ 17.050175] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.051263] page_type: f5(slab) [ 17.051322] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.051373] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.051421] page dumped because: kasan: bad access detected [ 17.051451] [ 17.051469] Memory state around the buggy address: [ 17.051501] fff00000c7767600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.051544] fff00000c7767680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.051586] >fff00000c7767700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.051623] ^ [ 17.051663] fff00000c7767780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.051706] fff00000c7767800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.051744] ==================================================================
[ 12.915923] ================================================================== [ 12.916314] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 12.916605] Write of size 16 at addr ffff8881029add69 by task kunit_try_catch/195 [ 12.916863] [ 12.917037] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.917087] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.917117] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.917139] Call Trace: [ 12.917152] <TASK> [ 12.917169] dump_stack_lvl+0x73/0xb0 [ 12.917200] print_report+0xd1/0x650 [ 12.917223] ? __virt_addr_valid+0x1db/0x2d0 [ 12.917247] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.917269] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.917292] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.917315] kasan_report+0x141/0x180 [ 12.917336] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.917363] kasan_check_range+0x10c/0x1c0 [ 12.917387] __asan_memset+0x27/0x50 [ 12.917407] kmalloc_oob_memset_16+0x166/0x330 [ 12.917430] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 12.917473] ? __schedule+0x10cc/0x2b60 [ 12.917496] ? __pfx_read_tsc+0x10/0x10 [ 12.917518] ? ktime_get_ts64+0x86/0x230 [ 12.917543] kunit_try_run_case+0x1a5/0x480 [ 12.917569] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.917591] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.917637] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.917662] ? __kthread_parkme+0x82/0x180 [ 12.917711] ? preempt_count_sub+0x50/0x80 [ 12.917737] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.917761] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.917786] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.917812] kthread+0x337/0x6f0 [ 12.917833] ? trace_preempt_on+0x20/0xc0 [ 12.917858] ? __pfx_kthread+0x10/0x10 [ 12.917945] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.917968] ? calculate_sigpending+0x7b/0xa0 [ 12.917993] ? __pfx_kthread+0x10/0x10 [ 12.918015] ret_from_fork+0x116/0x1d0 [ 12.918500] ? __pfx_kthread+0x10/0x10 [ 12.918526] ret_from_fork_asm+0x1a/0x30 [ 12.918611] </TASK> [ 12.918623] [ 12.934460] Allocated by task 195: [ 12.934686] kasan_save_stack+0x45/0x70 [ 12.935386] kasan_save_track+0x18/0x40 [ 12.936128] kasan_save_alloc_info+0x3b/0x50 [ 12.936709] __kasan_kmalloc+0xb7/0xc0 [ 12.937321] __kmalloc_cache_noprof+0x189/0x420 [ 12.937761] kmalloc_oob_memset_16+0xac/0x330 [ 12.937979] kunit_try_run_case+0x1a5/0x480 [ 12.938879] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.939101] kthread+0x337/0x6f0 [ 12.939260] ret_from_fork+0x116/0x1d0 [ 12.939451] ret_from_fork_asm+0x1a/0x30 [ 12.939652] [ 12.939741] The buggy address belongs to the object at ffff8881029add00 [ 12.939741] which belongs to the cache kmalloc-128 of size 128 [ 12.941747] The buggy address is located 105 bytes inside of [ 12.941747] allocated 120-byte region [ffff8881029add00, ffff8881029add78) [ 12.942236] [ 12.942342] The buggy address belongs to the physical page: [ 12.942567] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029ad [ 12.942896] flags: 0x200000000000000(node=0|zone=2) [ 12.943109] page_type: f5(slab) [ 12.943266] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.943561] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.945566] page dumped because: kasan: bad access detected [ 12.946715] [ 12.947634] Memory state around the buggy address: [ 12.948346] ffff8881029adc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.949629] ffff8881029adc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.950756] >ffff8881029add00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.951950] ^ [ 12.953167] ffff8881029add80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.954648] ffff8881029ade00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.955605] ==================================================================