Date
July 16, 2025, 3:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.708175] ================================================================== [ 16.708250] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 16.708321] Write of size 8 at addr fff00000c6554d71 by task kunit_try_catch/176 [ 16.708387] [ 16.708420] CPU: 1 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 16.708590] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.708624] Hardware name: linux,dummy-virt (DT) [ 16.708837] Call trace: [ 16.708871] show_stack+0x20/0x38 (C) [ 16.708961] dump_stack_lvl+0x8c/0xd0 [ 16.709027] print_report+0x118/0x5d0 [ 16.709092] kasan_report+0xdc/0x128 [ 16.709142] kasan_check_range+0x100/0x1a8 [ 16.709292] __asan_memset+0x34/0x78 [ 16.709333] kmalloc_oob_memset_8+0x150/0x2f8 [ 16.709378] kunit_try_run_case+0x170/0x3f0 [ 16.709634] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.709718] kthread+0x328/0x630 [ 16.709765] ret_from_fork+0x10/0x20 [ 16.709812] [ 16.709830] Allocated by task 176: [ 16.709857] kasan_save_stack+0x3c/0x68 [ 16.709897] kasan_save_track+0x20/0x40 [ 16.709934] kasan_save_alloc_info+0x40/0x58 [ 16.710063] __kasan_kmalloc+0xd4/0xd8 [ 16.710244] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.710298] kmalloc_oob_memset_8+0xb0/0x2f8 [ 16.710335] kunit_try_run_case+0x170/0x3f0 [ 16.710411] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.710473] kthread+0x328/0x630 [ 16.710544] ret_from_fork+0x10/0x20 [ 16.710580] [ 16.710619] The buggy address belongs to the object at fff00000c6554d00 [ 16.710619] which belongs to the cache kmalloc-128 of size 128 [ 16.710678] The buggy address is located 113 bytes inside of [ 16.710678] allocated 120-byte region [fff00000c6554d00, fff00000c6554d78) [ 16.710750] [ 16.710797] The buggy address belongs to the physical page: [ 16.710828] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106554 [ 16.710980] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.711027] page_type: f5(slab) [ 16.711064] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.711119] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.711176] page dumped because: kasan: bad access detected [ 16.711217] [ 16.711290] Memory state around the buggy address: [ 16.711497] fff00000c6554c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.711559] fff00000c6554c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.711606] >fff00000c6554d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.711912] ^ [ 16.712062] fff00000c6554d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.712120] fff00000c6554e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.712178] ==================================================================
[ 12.681213] ================================================================== [ 12.681915] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 12.682295] Write of size 8 at addr ffff8881029ccb71 by task kunit_try_catch/193 [ 12.682749] [ 12.682877] CPU: 1 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.682938] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.682969] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.682989] Call Trace: [ 12.683001] <TASK> [ 12.683015] dump_stack_lvl+0x73/0xb0 [ 12.683044] print_report+0xd1/0x610 [ 12.683068] ? __virt_addr_valid+0x1db/0x2d0 [ 12.683127] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.683150] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.683187] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.683210] kasan_report+0x141/0x180 [ 12.683251] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.683288] kasan_check_range+0x10c/0x1c0 [ 12.683312] __asan_memset+0x27/0x50 [ 12.683342] kmalloc_oob_memset_8+0x166/0x330 [ 12.683365] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 12.683389] ? __schedule+0x10cc/0x2b60 [ 12.683411] ? __pfx_read_tsc+0x10/0x10 [ 12.683448] ? ktime_get_ts64+0x86/0x230 [ 12.683473] kunit_try_run_case+0x1a5/0x480 [ 12.683499] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.683541] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.683575] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.683599] ? __kthread_parkme+0x82/0x180 [ 12.683631] ? preempt_count_sub+0x50/0x80 [ 12.683655] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.683704] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.683729] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.683771] kthread+0x337/0x6f0 [ 12.683791] ? trace_preempt_on+0x20/0xc0 [ 12.683815] ? __pfx_kthread+0x10/0x10 [ 12.683846] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.683868] ? calculate_sigpending+0x7b/0xa0 [ 12.683893] ? __pfx_kthread+0x10/0x10 [ 12.683914] ret_from_fork+0x116/0x1d0 [ 12.683933] ? __pfx_kthread+0x10/0x10 [ 12.683953] ret_from_fork_asm+0x1a/0x30 [ 12.684011] </TASK> [ 12.684021] [ 12.694314] Allocated by task 193: [ 12.694702] kasan_save_stack+0x45/0x70 [ 12.695154] kasan_save_track+0x18/0x40 [ 12.695672] kasan_save_alloc_info+0x3b/0x50 [ 12.696184] __kasan_kmalloc+0xb7/0xc0 [ 12.696577] __kmalloc_cache_noprof+0x189/0x420 [ 12.697096] kmalloc_oob_memset_8+0xac/0x330 [ 12.697540] kunit_try_run_case+0x1a5/0x480 [ 12.697958] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.698547] kthread+0x337/0x6f0 [ 12.698890] ret_from_fork+0x116/0x1d0 [ 12.699466] ret_from_fork_asm+0x1a/0x30 [ 12.699869] [ 12.700137] The buggy address belongs to the object at ffff8881029ccb00 [ 12.700137] which belongs to the cache kmalloc-128 of size 128 [ 12.701310] The buggy address is located 113 bytes inside of [ 12.701310] allocated 120-byte region [ffff8881029ccb00, ffff8881029ccb78) [ 12.702422] [ 12.702628] The buggy address belongs to the physical page: [ 12.703084] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029cc [ 12.703529] flags: 0x200000000000000(node=0|zone=2) [ 12.704191] page_type: f5(slab) [ 12.704429] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.704663] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.704902] page dumped because: kasan: bad access detected [ 12.705074] [ 12.705143] Memory state around the buggy address: [ 12.705353] ffff8881029cca00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.706005] ffff8881029cca80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.706293] >ffff8881029ccb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.706793] ^ [ 12.707237] ffff8881029ccb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.707623] ffff8881029ccc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.707970] ==================================================================