Date
June 17, 2025, 3:40 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.656840] ================================================================== [ 22.657081] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 22.657260] Read of size 1 at addr fff00000c792c0c8 by task kunit_try_catch/209 [ 22.657425] [ 22.657798] CPU: 0 UID: 0 PID: 209 Comm: kunit_try_catch Tainted: G B N 6.15.3-rc1 #1 PREEMPT [ 22.658182] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.658238] Hardware name: linux,dummy-virt (DT) [ 22.658651] Call trace: [ 22.658832] show_stack+0x20/0x38 (C) [ 22.659157] dump_stack_lvl+0x8c/0xd0 [ 22.659426] print_report+0x118/0x608 [ 22.659835] kasan_report+0xdc/0x128 [ 22.660237] __asan_report_load1_noabort+0x20/0x30 [ 22.660526] kmem_cache_oob+0x344/0x430 [ 22.660699] kunit_try_run_case+0x170/0x3f0 [ 22.660831] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.660968] kthread+0x328/0x630 [ 22.661818] ret_from_fork+0x10/0x20 [ 22.662172] [ 22.662419] Allocated by task 209: [ 22.662504] kasan_save_stack+0x3c/0x68 [ 22.662610] kasan_save_track+0x20/0x40 [ 22.662757] kasan_save_alloc_info+0x40/0x58 [ 22.662849] __kasan_slab_alloc+0xa8/0xb0 [ 22.664028] kmem_cache_alloc_noprof+0x10c/0x398 [ 22.664175] kmem_cache_oob+0x12c/0x430 [ 22.664223] kunit_try_run_case+0x170/0x3f0 [ 22.664271] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.664319] kthread+0x328/0x630 [ 22.664361] ret_from_fork+0x10/0x20 [ 22.664401] [ 22.664426] The buggy address belongs to the object at fff00000c792c000 [ 22.664426] which belongs to the cache test_cache of size 200 [ 22.664496] The buggy address is located 0 bytes to the right of [ 22.664496] allocated 200-byte region [fff00000c792c000, fff00000c792c0c8) [ 22.664564] [ 22.664587] The buggy address belongs to the physical page: [ 22.664623] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10792c [ 22.664690] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.664773] page_type: f5(slab) [ 22.664829] raw: 0bfffe0000000000 fff00000c5918140 dead000000000122 0000000000000000 [ 22.664886] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 22.664933] page dumped because: kasan: bad access detected [ 22.664966] [ 22.664988] Memory state around the buggy address: [ 22.665024] fff00000c792bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 22.665073] fff00000c792c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.665122] >fff00000c792c080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 22.665164] ^ [ 22.665204] fff00000c792c100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.665250] fff00000c792c180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.665411] ==================================================================
[ 20.424418] ================================================================== [ 20.425699] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 20.426423] Read of size 1 at addr ffff8881030aa0c8 by task kunit_try_catch/227 [ 20.427323] [ 20.427605] CPU: 0 UID: 0 PID: 227 Comm: kunit_try_catch Tainted: G B N 6.15.3-rc1 #1 PREEMPT(voluntary) [ 20.427715] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.427736] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 20.427766] Call Trace: [ 20.427784] <TASK> [ 20.427808] dump_stack_lvl+0x73/0xb0 [ 20.427897] print_report+0xd1/0x650 [ 20.427943] ? __virt_addr_valid+0x1db/0x2d0 [ 20.427978] ? kmem_cache_oob+0x402/0x530 [ 20.428007] ? kasan_complete_mode_report_info+0x2a/0x200 [ 20.428053] ? kmem_cache_oob+0x402/0x530 [ 20.428102] kasan_report+0x141/0x180 [ 20.428139] ? kmem_cache_oob+0x402/0x530 [ 20.428176] __asan_report_load1_noabort+0x18/0x20 [ 20.428208] kmem_cache_oob+0x402/0x530 [ 20.428235] ? trace_hardirqs_on+0x37/0xe0 [ 20.428272] ? __pfx_kmem_cache_oob+0x10/0x10 [ 20.428358] ? finish_task_switch.isra.0+0x153/0x700 [ 20.428435] ? __switch_to+0x5d9/0xf60 [ 20.428526] ? dequeue_task_fair+0x166/0x4e0 [ 20.428588] ? __pfx_read_tsc+0x10/0x10 [ 20.428639] ? ktime_get_ts64+0x86/0x230 [ 20.428679] kunit_try_run_case+0x1a5/0x480 [ 20.428719] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.428754] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 20.428791] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 20.428827] ? __kthread_parkme+0x82/0x180 [ 20.428861] ? preempt_count_sub+0x50/0x80 [ 20.428897] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.428933] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 20.428968] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 20.429003] kthread+0x337/0x6f0 [ 20.429030] ? trace_preempt_on+0x20/0xc0 [ 20.429092] ? __pfx_kthread+0x10/0x10 [ 20.429120] ? _raw_spin_unlock_irq+0x47/0x80 [ 20.429152] ? calculate_sigpending+0x7b/0xa0 [ 20.429185] ? __pfx_kthread+0x10/0x10 [ 20.429212] ret_from_fork+0x41/0x80 [ 20.429245] ? __pfx_kthread+0x10/0x10 [ 20.429272] ret_from_fork_asm+0x1a/0x30 [ 20.429342] </TASK> [ 20.429360] [ 20.449251] Allocated by task 227: [ 20.449977] kasan_save_stack+0x45/0x70 [ 20.450796] kasan_save_track+0x18/0x40 [ 20.451239] kasan_save_alloc_info+0x3b/0x50 [ 20.451934] __kasan_slab_alloc+0x91/0xa0 [ 20.452357] kmem_cache_alloc_noprof+0x123/0x3f0 [ 20.452750] kmem_cache_oob+0x157/0x530 [ 20.453125] kunit_try_run_case+0x1a5/0x480 [ 20.454034] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 20.454704] kthread+0x337/0x6f0 [ 20.455257] ret_from_fork+0x41/0x80 [ 20.455846] ret_from_fork_asm+0x1a/0x30 [ 20.456253] [ 20.456906] The buggy address belongs to the object at ffff8881030aa000 [ 20.456906] which belongs to the cache test_cache of size 200 [ 20.457890] The buggy address is located 0 bytes to the right of [ 20.457890] allocated 200-byte region [ffff8881030aa000, ffff8881030aa0c8) [ 20.458801] [ 20.459027] The buggy address belongs to the physical page: [ 20.459606] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1030aa [ 20.460179] flags: 0x200000000000000(node=0|zone=2) [ 20.460799] page_type: f5(slab) [ 20.461316] raw: 0200000000000000 ffff888100fad780 dead000000000122 0000000000000000 [ 20.462022] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 20.462621] page dumped because: kasan: bad access detected [ 20.463300] [ 20.463479] Memory state around the buggy address: [ 20.463923] ffff8881030a9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.464743] ffff8881030aa000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.465639] >ffff8881030aa080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 20.466339] ^ [ 20.466840] ffff8881030aa100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.467605] ffff8881030aa180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.468302] ==================================================================