Date
July 8, 2025, 7:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.336491] ================================================================== [ 19.336675] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 19.336768] Write of size 8 at addr fff00000c5708071 by task kunit_try_catch/176 [ 19.336941] [ 19.337123] CPU: 1 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.337228] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.337253] Hardware name: linux,dummy-virt (DT) [ 19.337282] Call trace: [ 19.337338] show_stack+0x20/0x38 (C) [ 19.337391] dump_stack_lvl+0x8c/0xd0 [ 19.337435] print_report+0x118/0x608 [ 19.337615] kasan_report+0xdc/0x128 [ 19.337800] kasan_check_range+0x100/0x1a8 [ 19.337915] __asan_memset+0x34/0x78 [ 19.337961] kmalloc_oob_memset_8+0x150/0x2f8 [ 19.338005] kunit_try_run_case+0x170/0x3f0 [ 19.338260] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.338332] kthread+0x328/0x630 [ 19.338383] ret_from_fork+0x10/0x20 [ 19.338429] [ 19.338447] Allocated by task 176: [ 19.338767] kasan_save_stack+0x3c/0x68 [ 19.338886] kasan_save_track+0x20/0x40 [ 19.338942] kasan_save_alloc_info+0x40/0x58 [ 19.339047] __kasan_kmalloc+0xd4/0xd8 [ 19.339223] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.339268] kmalloc_oob_memset_8+0xb0/0x2f8 [ 19.339304] kunit_try_run_case+0x170/0x3f0 [ 19.339340] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.339680] kthread+0x328/0x630 [ 19.339908] ret_from_fork+0x10/0x20 [ 19.340113] [ 19.340182] The buggy address belongs to the object at fff00000c5708000 [ 19.340182] which belongs to the cache kmalloc-128 of size 128 [ 19.340336] The buggy address is located 113 bytes inside of [ 19.340336] allocated 120-byte region [fff00000c5708000, fff00000c5708078) [ 19.340543] [ 19.340754] The buggy address belongs to the physical page: [ 19.340810] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105708 [ 19.341081] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.341233] page_type: f5(slab) [ 19.341343] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.342072] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.342135] page dumped because: kasan: bad access detected [ 19.342235] [ 19.342338] Memory state around the buggy address: [ 19.342404] fff00000c5707f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 19.342570] fff00000c5707f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 19.342808] >fff00000c5708000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.342907] ^ [ 19.342960] fff00000c5708080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.343051] fff00000c5708100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.343352] ==================================================================
[ 13.050303] ================================================================== [ 13.050977] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 13.051458] Write of size 8 at addr ffff888102602971 by task kunit_try_catch/193 [ 13.051920] [ 13.052196] CPU: 1 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.052241] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.052253] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.052272] Call Trace: [ 13.052284] <TASK> [ 13.052299] dump_stack_lvl+0x73/0xb0 [ 13.052328] print_report+0xd1/0x650 [ 13.052349] ? __virt_addr_valid+0x1db/0x2d0 [ 13.052370] ? kmalloc_oob_memset_8+0x166/0x330 [ 13.052391] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.052414] ? kmalloc_oob_memset_8+0x166/0x330 [ 13.052435] kasan_report+0x141/0x180 [ 13.052456] ? kmalloc_oob_memset_8+0x166/0x330 [ 13.052481] kasan_check_range+0x10c/0x1c0 [ 13.052502] __asan_memset+0x27/0x50 [ 13.052521] kmalloc_oob_memset_8+0x166/0x330 [ 13.052542] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 13.052566] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 13.052591] kunit_try_run_case+0x1a5/0x480 [ 13.052613] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.052633] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.052655] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.052676] ? __kthread_parkme+0x82/0x180 [ 13.052696] ? preempt_count_sub+0x50/0x80 [ 13.052718] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.052740] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.052762] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.052784] kthread+0x337/0x6f0 [ 13.052802] ? trace_preempt_on+0x20/0xc0 [ 13.052823] ? __pfx_kthread+0x10/0x10 [ 13.052842] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.052861] ? calculate_sigpending+0x7b/0xa0 [ 13.052884] ? __pfx_kthread+0x10/0x10 [ 13.052904] ret_from_fork+0x116/0x1d0 [ 13.052921] ? __pfx_kthread+0x10/0x10 [ 13.052941] ret_from_fork_asm+0x1a/0x30 [ 13.052970] </TASK> [ 13.052980] [ 13.062344] Allocated by task 193: [ 13.062586] kasan_save_stack+0x45/0x70 [ 13.062925] kasan_save_track+0x18/0x40 [ 13.063105] kasan_save_alloc_info+0x3b/0x50 [ 13.063504] __kasan_kmalloc+0xb7/0xc0 [ 13.063725] __kmalloc_cache_noprof+0x189/0x420 [ 13.064056] kmalloc_oob_memset_8+0xac/0x330 [ 13.064387] kunit_try_run_case+0x1a5/0x480 [ 13.064602] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.064949] kthread+0x337/0x6f0 [ 13.065253] ret_from_fork+0x116/0x1d0 [ 13.065414] ret_from_fork_asm+0x1a/0x30 [ 13.065614] [ 13.065714] The buggy address belongs to the object at ffff888102602900 [ 13.065714] which belongs to the cache kmalloc-128 of size 128 [ 13.066458] The buggy address is located 113 bytes inside of [ 13.066458] allocated 120-byte region [ffff888102602900, ffff888102602978) [ 13.067104] [ 13.067272] The buggy address belongs to the physical page: [ 13.067608] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102602 [ 13.067988] flags: 0x200000000000000(node=0|zone=2) [ 13.068350] page_type: f5(slab) [ 13.068475] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.068943] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.069407] page dumped because: kasan: bad access detected [ 13.069696] [ 13.069868] Memory state around the buggy address: [ 13.070099] ffff888102602800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.070658] ffff888102602880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.071016] >ffff888102602900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 13.071353] ^ [ 13.071701] ffff888102602980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.072256] ffff888102602a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.072518] ==================================================================