Date
July 2, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.179694] ================================================================== [ 18.179928] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 18.179989] Write of size 8 at addr fff00000c706f271 by task kunit_try_catch/176 [ 18.180073] [ 18.180360] CPU: 0 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.180521] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.180693] Hardware name: linux,dummy-virt (DT) [ 18.180727] Call trace: [ 18.180776] show_stack+0x20/0x38 (C) [ 18.180828] dump_stack_lvl+0x8c/0xd0 [ 18.180911] print_report+0x118/0x608 [ 18.180956] kasan_report+0xdc/0x128 [ 18.181410] kasan_check_range+0x100/0x1a8 [ 18.181504] __asan_memset+0x34/0x78 [ 18.182001] kmalloc_oob_memset_8+0x150/0x2f8 [ 18.182418] kunit_try_run_case+0x170/0x3f0 [ 18.182509] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.182584] kthread+0x328/0x630 [ 18.182666] ret_from_fork+0x10/0x20 [ 18.182785] [ 18.183018] Allocated by task 176: [ 18.183143] kasan_save_stack+0x3c/0x68 [ 18.183458] kasan_save_track+0x20/0x40 [ 18.183667] kasan_save_alloc_info+0x40/0x58 [ 18.183848] __kasan_kmalloc+0xd4/0xd8 [ 18.184201] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.184306] kmalloc_oob_memset_8+0xb0/0x2f8 [ 18.184637] kunit_try_run_case+0x170/0x3f0 [ 18.184775] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.184887] kthread+0x328/0x630 [ 18.184958] ret_from_fork+0x10/0x20 [ 18.185100] [ 18.185152] The buggy address belongs to the object at fff00000c706f200 [ 18.185152] which belongs to the cache kmalloc-128 of size 128 [ 18.185267] The buggy address is located 113 bytes inside of [ 18.185267] allocated 120-byte region [fff00000c706f200, fff00000c706f278) [ 18.185356] [ 18.185377] The buggy address belongs to the physical page: [ 18.185421] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10706f [ 18.185478] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.185718] page_type: f5(slab) [ 18.185963] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.186017] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.186192] page dumped because: kasan: bad access detected [ 18.186568] [ 18.186654] Memory state around the buggy address: [ 18.186698] fff00000c706f100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.186944] fff00000c706f180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.187028] >fff00000c706f200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.187217] ^ [ 18.187276] fff00000c706f280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.187496] fff00000c706f300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.187539] ==================================================================
[ 11.518492] ================================================================== [ 11.519148] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 11.519444] Write of size 8 at addr ffff888103109b71 by task kunit_try_catch/195 [ 11.520029] [ 11.520143] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.520185] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.520196] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.520216] Call Trace: [ 11.520226] <TASK> [ 11.520241] dump_stack_lvl+0x73/0xb0 [ 11.520269] print_report+0xd1/0x650 [ 11.520293] ? __virt_addr_valid+0x1db/0x2d0 [ 11.520315] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.520335] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.520355] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.520388] kasan_report+0x141/0x180 [ 11.520409] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.520434] kasan_check_range+0x10c/0x1c0 [ 11.520456] __asan_memset+0x27/0x50 [ 11.520475] kmalloc_oob_memset_8+0x166/0x330 [ 11.520496] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 11.520517] ? __schedule+0x10cc/0x2b60 [ 11.520538] ? __pfx_read_tsc+0x10/0x10 [ 11.520558] ? ktime_get_ts64+0x86/0x230 [ 11.520582] kunit_try_run_case+0x1a5/0x480 [ 11.520605] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.520625] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.520647] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.520668] ? __kthread_parkme+0x82/0x180 [ 11.520687] ? preempt_count_sub+0x50/0x80 [ 11.520709] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.520731] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.520752] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.520773] kthread+0x337/0x6f0 [ 11.520791] ? trace_preempt_on+0x20/0xc0 [ 11.520815] ? __pfx_kthread+0x10/0x10 [ 11.520834] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.520854] ? calculate_sigpending+0x7b/0xa0 [ 11.520875] ? __pfx_kthread+0x10/0x10 [ 11.520896] ret_from_fork+0x116/0x1d0 [ 11.520913] ? __pfx_kthread+0x10/0x10 [ 11.520932] ret_from_fork_asm+0x1a/0x30 [ 11.520961] </TASK> [ 11.520972] [ 11.528637] Allocated by task 195: [ 11.528868] kasan_save_stack+0x45/0x70 [ 11.529148] kasan_save_track+0x18/0x40 [ 11.529343] kasan_save_alloc_info+0x3b/0x50 [ 11.529534] __kasan_kmalloc+0xb7/0xc0 [ 11.529664] __kmalloc_cache_noprof+0x189/0x420 [ 11.529880] kmalloc_oob_memset_8+0xac/0x330 [ 11.530091] kunit_try_run_case+0x1a5/0x480 [ 11.530365] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.530554] kthread+0x337/0x6f0 [ 11.530769] ret_from_fork+0x116/0x1d0 [ 11.530957] ret_from_fork_asm+0x1a/0x30 [ 11.531160] [ 11.531258] The buggy address belongs to the object at ffff888103109b00 [ 11.531258] which belongs to the cache kmalloc-128 of size 128 [ 11.531759] The buggy address is located 113 bytes inside of [ 11.531759] allocated 120-byte region [ffff888103109b00, ffff888103109b78) [ 11.532143] [ 11.532216] The buggy address belongs to the physical page: [ 11.532732] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103109 [ 11.533100] flags: 0x200000000000000(node=0|zone=2) [ 11.533327] page_type: f5(slab) [ 11.533510] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.533915] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.534144] page dumped because: kasan: bad access detected [ 11.534344] [ 11.534447] Memory state around the buggy address: [ 11.534672] ffff888103109a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.535185] ffff888103109a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.535475] >ffff888103109b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.535703] ^ [ 11.536120] ffff888103109b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.536476] ffff888103109c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.536687] ==================================================================