Date
July 4, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.137116] ================================================================== [ 18.137181] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 18.137241] Write of size 16 at addr fff00000c638ee69 by task kunit_try_catch/178 [ 18.137289] [ 18.137326] CPU: 0 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.137407] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.137433] Hardware name: linux,dummy-virt (DT) [ 18.137464] Call trace: [ 18.137541] show_stack+0x20/0x38 (C) [ 18.137592] dump_stack_lvl+0x8c/0xd0 [ 18.137639] print_report+0x118/0x608 [ 18.137685] kasan_report+0xdc/0x128 [ 18.137736] kasan_check_range+0x100/0x1a8 [ 18.137783] __asan_memset+0x34/0x78 [ 18.137842] kmalloc_oob_memset_16+0x150/0x2f8 [ 18.137887] kunit_try_run_case+0x170/0x3f0 [ 18.137939] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.137990] kthread+0x328/0x630 [ 18.138032] ret_from_fork+0x10/0x20 [ 18.138079] [ 18.138098] Allocated by task 178: [ 18.138242] kasan_save_stack+0x3c/0x68 [ 18.138291] kasan_save_track+0x20/0x40 [ 18.138328] kasan_save_alloc_info+0x40/0x58 [ 18.138554] __kasan_kmalloc+0xd4/0xd8 [ 18.138683] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.138724] kmalloc_oob_memset_16+0xb0/0x2f8 [ 18.138823] kunit_try_run_case+0x170/0x3f0 [ 18.138865] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.138953] kthread+0x328/0x630 [ 18.139033] ret_from_fork+0x10/0x20 [ 18.139145] [ 18.139184] The buggy address belongs to the object at fff00000c638ee00 [ 18.139184] which belongs to the cache kmalloc-128 of size 128 [ 18.139267] The buggy address is located 105 bytes inside of [ 18.139267] allocated 120-byte region [fff00000c638ee00, fff00000c638ee78) [ 18.139369] [ 18.139416] The buggy address belongs to the physical page: [ 18.139470] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10638e [ 18.139542] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.139650] page_type: f5(slab) [ 18.139696] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.139765] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.139814] page dumped because: kasan: bad access detected [ 18.139845] [ 18.139868] Memory state around the buggy address: [ 18.139905] fff00000c638ed00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.139946] fff00000c638ed80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.140102] >fff00000c638ee00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.140140] ^ [ 18.140226] fff00000c638ee80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.140324] fff00000c638ef00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.140393] ==================================================================
[ 12.081210] ================================================================== [ 12.081833] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 12.082090] Write of size 16 at addr ffff88810262fc69 by task kunit_try_catch/195 [ 12.082741] [ 12.082932] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 12.082982] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.082994] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.083018] Call Trace: [ 12.083032] <TASK> [ 12.083055] dump_stack_lvl+0x73/0xb0 [ 12.083109] print_report+0xd1/0x650 [ 12.083155] ? __virt_addr_valid+0x1db/0x2d0 [ 12.083180] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.083231] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.083268] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.083289] kasan_report+0x141/0x180 [ 12.083310] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.083334] kasan_check_range+0x10c/0x1c0 [ 12.083357] __asan_memset+0x27/0x50 [ 12.083376] kmalloc_oob_memset_16+0x166/0x330 [ 12.083397] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 12.083418] ? __schedule+0x10cc/0x2b60 [ 12.083439] ? __pfx_read_tsc+0x10/0x10 [ 12.083460] ? ktime_get_ts64+0x86/0x230 [ 12.083484] kunit_try_run_case+0x1a5/0x480 [ 12.083510] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.083530] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.083553] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.083574] ? __kthread_parkme+0x82/0x180 [ 12.083596] ? preempt_count_sub+0x50/0x80 [ 12.083621] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.083643] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.083678] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.083699] kthread+0x337/0x6f0 [ 12.083718] ? trace_preempt_on+0x20/0xc0 [ 12.083740] ? __pfx_kthread+0x10/0x10 [ 12.083759] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.083778] ? calculate_sigpending+0x7b/0xa0 [ 12.083801] ? __pfx_kthread+0x10/0x10 [ 12.083820] ret_from_fork+0x116/0x1d0 [ 12.083838] ? __pfx_kthread+0x10/0x10 [ 12.083856] ret_from_fork_asm+0x1a/0x30 [ 12.083887] </TASK> [ 12.083898] [ 12.097541] Allocated by task 195: [ 12.097946] kasan_save_stack+0x45/0x70 [ 12.098377] kasan_save_track+0x18/0x40 [ 12.098589] kasan_save_alloc_info+0x3b/0x50 [ 12.098740] __kasan_kmalloc+0xb7/0xc0 [ 12.098870] __kmalloc_cache_noprof+0x189/0x420 [ 12.099024] kmalloc_oob_memset_16+0xac/0x330 [ 12.099173] kunit_try_run_case+0x1a5/0x480 [ 12.099380] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.099739] kthread+0x337/0x6f0 [ 12.099903] ret_from_fork+0x116/0x1d0 [ 12.100036] ret_from_fork_asm+0x1a/0x30 [ 12.100215] [ 12.100323] The buggy address belongs to the object at ffff88810262fc00 [ 12.100323] which belongs to the cache kmalloc-128 of size 128 [ 12.101276] The buggy address is located 105 bytes inside of [ 12.101276] allocated 120-byte region [ffff88810262fc00, ffff88810262fc78) [ 12.101786] [ 12.101881] The buggy address belongs to the physical page: [ 12.102098] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10262f [ 12.102926] flags: 0x200000000000000(node=0|zone=2) [ 12.103133] page_type: f5(slab) [ 12.103427] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.103971] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.104417] page dumped because: kasan: bad access detected [ 12.104722] [ 12.104887] Memory state around the buggy address: [ 12.105237] ffff88810262fb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.105620] ffff88810262fb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.106046] >ffff88810262fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.106364] ^ [ 12.106897] ffff88810262fc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.107233] ffff88810262fd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.107588] ==================================================================