Date
July 10, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.386767] ================================================================== [ 16.387158] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 16.387265] Read of size 1 at addr fff00000c64150c8 by task kunit_try_catch/207 [ 16.387683] [ 16.387914] CPU: 1 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.388356] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.388392] Hardware name: linux,dummy-virt (DT) [ 16.388686] Call trace: [ 16.389093] show_stack+0x20/0x38 (C) [ 16.389258] dump_stack_lvl+0x8c/0xd0 [ 16.389509] print_report+0x118/0x608 [ 16.389701] kasan_report+0xdc/0x128 [ 16.389759] __asan_report_load1_noabort+0x20/0x30 [ 16.389963] kmem_cache_oob+0x344/0x430 [ 16.390041] kunit_try_run_case+0x170/0x3f0 [ 16.390122] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.390465] kthread+0x328/0x630 [ 16.390618] ret_from_fork+0x10/0x20 [ 16.390816] [ 16.391036] Allocated by task 207: [ 16.391159] kasan_save_stack+0x3c/0x68 [ 16.391207] kasan_save_track+0x20/0x40 [ 16.391385] kasan_save_alloc_info+0x40/0x58 [ 16.391480] __kasan_slab_alloc+0xa8/0xb0 [ 16.391717] kmem_cache_alloc_noprof+0x10c/0x398 [ 16.391760] kmem_cache_oob+0x12c/0x430 [ 16.392291] kunit_try_run_case+0x170/0x3f0 [ 16.392678] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.392955] kthread+0x328/0x630 [ 16.393003] ret_from_fork+0x10/0x20 [ 16.393213] [ 16.393282] The buggy address belongs to the object at fff00000c6415000 [ 16.393282] which belongs to the cache test_cache of size 200 [ 16.393575] The buggy address is located 0 bytes to the right of [ 16.393575] allocated 200-byte region [fff00000c6415000, fff00000c64150c8) [ 16.393951] [ 16.393983] The buggy address belongs to the physical page: [ 16.394047] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106415 [ 16.394117] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.394173] page_type: f5(slab) [ 16.394648] raw: 0bfffe0000000000 fff00000c5696280 dead000000000122 0000000000000000 [ 16.394894] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 16.395195] page dumped because: kasan: bad access detected [ 16.395253] [ 16.395482] Memory state around the buggy address: [ 16.395521] fff00000c6414f80: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 16.396063] fff00000c6415000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.396133] >fff00000c6415080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 16.396182] ^ [ 16.396223] fff00000c6415100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.396408] fff00000c6415180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.396457] ==================================================================
[ 13.359052] ================================================================== [ 13.359979] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 13.360216] Read of size 1 at addr ffff8881027b70c8 by task kunit_try_catch/224 [ 13.360464] [ 13.360596] CPU: 0 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.360640] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.360651] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.360682] Call Trace: [ 13.360712] <TASK> [ 13.360728] dump_stack_lvl+0x73/0xb0 [ 13.361007] print_report+0xd1/0x650 [ 13.361030] ? __virt_addr_valid+0x1db/0x2d0 [ 13.361052] ? kmem_cache_oob+0x402/0x530 [ 13.361074] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.361097] ? kmem_cache_oob+0x402/0x530 [ 13.361119] kasan_report+0x141/0x180 [ 13.361140] ? kmem_cache_oob+0x402/0x530 [ 13.361166] __asan_report_load1_noabort+0x18/0x20 [ 13.361191] kmem_cache_oob+0x402/0x530 [ 13.361211] ? trace_hardirqs_on+0x37/0xe0 [ 13.361235] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.361257] ? finish_task_switch.isra.0+0x153/0x700 [ 13.361280] ? __switch_to+0x47/0xf50 [ 13.361307] ? __pfx_read_tsc+0x10/0x10 [ 13.361328] ? ktime_get_ts64+0x86/0x230 [ 13.361352] kunit_try_run_case+0x1a5/0x480 [ 13.361413] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.361436] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.361482] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.361506] ? __kthread_parkme+0x82/0x180 [ 13.361525] ? preempt_count_sub+0x50/0x80 [ 13.361548] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.361572] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.361596] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.361620] kthread+0x337/0x6f0 [ 13.361638] ? trace_preempt_on+0x20/0xc0 [ 13.361660] ? __pfx_kthread+0x10/0x10 [ 13.361680] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.361701] ? calculate_sigpending+0x7b/0xa0 [ 13.361724] ? __pfx_kthread+0x10/0x10 [ 13.361745] ret_from_fork+0x116/0x1d0 [ 13.361763] ? __pfx_kthread+0x10/0x10 [ 13.361783] ret_from_fork_asm+0x1a/0x30 [ 13.361813] </TASK> [ 13.361823] [ 13.369743] Allocated by task 224: [ 13.369924] kasan_save_stack+0x45/0x70 [ 13.370125] kasan_save_track+0x18/0x40 [ 13.370388] kasan_save_alloc_info+0x3b/0x50 [ 13.370763] __kasan_slab_alloc+0x91/0xa0 [ 13.371024] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.371260] kmem_cache_oob+0x157/0x530 [ 13.371625] kunit_try_run_case+0x1a5/0x480 [ 13.371854] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.372119] kthread+0x337/0x6f0 [ 13.372257] ret_from_fork+0x116/0x1d0 [ 13.372400] ret_from_fork_asm+0x1a/0x30 [ 13.372540] [ 13.372708] The buggy address belongs to the object at ffff8881027b7000 [ 13.372708] which belongs to the cache test_cache of size 200 [ 13.373295] The buggy address is located 0 bytes to the right of [ 13.373295] allocated 200-byte region [ffff8881027b7000, ffff8881027b70c8) [ 13.373833] [ 13.373961] The buggy address belongs to the physical page: [ 13.374441] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027b7 [ 13.374765] flags: 0x200000000000000(node=0|zone=2) [ 13.374945] page_type: f5(slab) [ 13.375065] raw: 0200000000000000 ffff88810130ddc0 dead000000000122 0000000000000000 [ 13.375293] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.375617] page dumped because: kasan: bad access detected [ 13.375867] [ 13.375959] Memory state around the buggy address: [ 13.376182] ffff8881027b6f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.376800] ffff8881027b7000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.377138] >ffff8881027b7080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.377605] ^ [ 13.377857] ffff8881027b7100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.378193] ffff8881027b7180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.378655] ==================================================================