Date
July 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.416303] ================================================================== [ 19.416364] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 19.416418] Write of size 8 at addr fff00000c6343c71 by task kunit_try_catch/176 [ 19.416466] [ 19.416798] CPU: 1 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.417094] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.417325] Hardware name: linux,dummy-virt (DT) [ 19.417382] Call trace: [ 19.417406] show_stack+0x20/0x38 (C) [ 19.417723] dump_stack_lvl+0x8c/0xd0 [ 19.417879] print_report+0x118/0x608 [ 19.418470] kasan_report+0xdc/0x128 [ 19.418794] kasan_check_range+0x100/0x1a8 [ 19.418880] __asan_memset+0x34/0x78 [ 19.418978] kmalloc_oob_memset_8+0x150/0x2f8 [ 19.419272] kunit_try_run_case+0x170/0x3f0 [ 19.419764] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.419985] kthread+0x328/0x630 [ 19.420175] ret_from_fork+0x10/0x20 [ 19.420231] [ 19.420250] Allocated by task 176: [ 19.420569] kasan_save_stack+0x3c/0x68 [ 19.420929] kasan_save_track+0x20/0x40 [ 19.421214] kasan_save_alloc_info+0x40/0x58 [ 19.421329] __kasan_kmalloc+0xd4/0xd8 [ 19.421514] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.421657] kmalloc_oob_memset_8+0xb0/0x2f8 [ 19.421781] kunit_try_run_case+0x170/0x3f0 [ 19.421827] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.422307] kthread+0x328/0x630 [ 19.422475] ret_from_fork+0x10/0x20 [ 19.422651] [ 19.422707] The buggy address belongs to the object at fff00000c6343c00 [ 19.422707] which belongs to the cache kmalloc-128 of size 128 [ 19.422999] The buggy address is located 113 bytes inside of [ 19.422999] allocated 120-byte region [fff00000c6343c00, fff00000c6343c78) [ 19.423240] [ 19.423308] The buggy address belongs to the physical page: [ 19.423471] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106343 [ 19.423913] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.423971] page_type: f5(slab) [ 19.424011] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.424060] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.424425] page dumped because: kasan: bad access detected [ 19.424526] [ 19.424544] Memory state around the buggy address: [ 19.424696] fff00000c6343b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.424907] fff00000c6343b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.424977] >fff00000c6343c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.425016] ^ [ 19.425221] fff00000c6343c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.425432] fff00000c6343d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.425479] ==================================================================
[ 12.617342] ================================================================== [ 12.617974] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 12.618495] Write of size 8 at addr ffff888102662e71 by task kunit_try_catch/194 [ 12.618806] [ 12.618968] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.619018] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.619029] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.619049] Call Trace: [ 12.619063] <TASK> [ 12.619081] dump_stack_lvl+0x73/0xb0 [ 12.619114] print_report+0xd1/0x650 [ 12.619137] ? __virt_addr_valid+0x1db/0x2d0 [ 12.619161] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.619182] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.619206] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.619228] kasan_report+0x141/0x180 [ 12.619250] ? kmalloc_oob_memset_8+0x166/0x330 [ 12.619277] kasan_check_range+0x10c/0x1c0 [ 12.619300] __asan_memset+0x27/0x50 [ 12.619319] kmalloc_oob_memset_8+0x166/0x330 [ 12.619342] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 12.619365] ? __schedule+0x10cc/0x2b60 [ 12.619387] ? __pfx_read_tsc+0x10/0x10 [ 12.619408] ? ktime_get_ts64+0x86/0x230 [ 12.619433] kunit_try_run_case+0x1a5/0x480 [ 12.619458] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.619481] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.619505] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.619528] ? __kthread_parkme+0x82/0x180 [ 12.619549] ? preempt_count_sub+0x50/0x80 [ 12.619573] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.619608] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.619633] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.619658] kthread+0x337/0x6f0 [ 12.619677] ? trace_preempt_on+0x20/0xc0 [ 12.619701] ? __pfx_kthread+0x10/0x10 [ 12.619721] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.619742] ? calculate_sigpending+0x7b/0xa0 [ 12.619766] ? __pfx_kthread+0x10/0x10 [ 12.619787] ret_from_fork+0x116/0x1d0 [ 12.619805] ? __pfx_kthread+0x10/0x10 [ 12.619825] ret_from_fork_asm+0x1a/0x30 [ 12.619856] </TASK> [ 12.619867] [ 12.627380] Allocated by task 194: [ 12.627617] kasan_save_stack+0x45/0x70 [ 12.627774] kasan_save_track+0x18/0x40 [ 12.628059] kasan_save_alloc_info+0x3b/0x50 [ 12.628237] __kasan_kmalloc+0xb7/0xc0 [ 12.628418] __kmalloc_cache_noprof+0x189/0x420 [ 12.628575] kmalloc_oob_memset_8+0xac/0x330 [ 12.628742] kunit_try_run_case+0x1a5/0x480 [ 12.628948] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.629213] kthread+0x337/0x6f0 [ 12.629384] ret_from_fork+0x116/0x1d0 [ 12.629681] ret_from_fork_asm+0x1a/0x30 [ 12.629869] [ 12.629993] The buggy address belongs to the object at ffff888102662e00 [ 12.629993] which belongs to the cache kmalloc-128 of size 128 [ 12.630471] The buggy address is located 113 bytes inside of [ 12.630471] allocated 120-byte region [ffff888102662e00, ffff888102662e78) [ 12.631059] [ 12.631155] The buggy address belongs to the physical page: [ 12.631346] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102662 [ 12.631584] flags: 0x200000000000000(node=0|zone=2) [ 12.631758] page_type: f5(slab) [ 12.631879] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.632376] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.632882] page dumped because: kasan: bad access detected [ 12.633338] [ 12.633438] Memory state around the buggy address: [ 12.634113] ffff888102662d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.634624] ffff888102662d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.635583] >ffff888102662e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.635821] ^ [ 12.636569] ffff888102662e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.637618] ffff888102662f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.638358] ==================================================================