Date
May 23, 2025, 11:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 28.393550] ================================================================== [ 28.393963] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 28.394141] Read of size 1 at addr fff00000c77780c8 by task kunit_try_catch/209 [ 28.394290] [ 28.394386] CPU: 0 UID: 0 PID: 209 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7 #1 PREEMPT [ 28.395359] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.395898] Hardware name: linux,dummy-virt (DT) [ 28.396105] Call trace: [ 28.396236] show_stack+0x20/0x38 (C) [ 28.396693] dump_stack_lvl+0x8c/0xd0 [ 28.397013] print_report+0x118/0x608 [ 28.397136] kasan_report+0xdc/0x128 [ 28.397255] __asan_report_load1_noabort+0x20/0x30 [ 28.397917] kmem_cache_oob+0x344/0x430 [ 28.398464] kunit_try_run_case+0x170/0x3f0 [ 28.398939] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.399176] kthread+0x328/0x630 [ 28.399739] ret_from_fork+0x10/0x20 [ 28.400075] [ 28.400188] Allocated by task 209: [ 28.400375] kasan_save_stack+0x3c/0x68 [ 28.400528] kasan_save_track+0x20/0x40 [ 28.400634] kasan_save_alloc_info+0x40/0x58 [ 28.400908] __kasan_slab_alloc+0xa8/0xb0 [ 28.401308] kmem_cache_alloc_noprof+0x10c/0x3a0 [ 28.401466] kmem_cache_oob+0x12c/0x430 [ 28.401751] kunit_try_run_case+0x170/0x3f0 [ 28.402115] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.402477] kthread+0x328/0x630 [ 28.402786] ret_from_fork+0x10/0x20 [ 28.403158] [ 28.403259] The buggy address belongs to the object at fff00000c7778000 [ 28.403259] which belongs to the cache test_cache of size 200 [ 28.403719] The buggy address is located 0 bytes to the right of [ 28.403719] allocated 200-byte region [fff00000c7778000, fff00000c77780c8) [ 28.403934] [ 28.403985] The buggy address belongs to the physical page: [ 28.404075] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107778 [ 28.404238] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 28.404393] page_type: f5(slab) [ 28.404519] raw: 0bfffe0000000000 fff00000c11fd3c0 dead000000000122 0000000000000000 [ 28.404649] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 28.405280] page dumped because: kasan: bad access detected [ 28.405621] [ 28.405859] Memory state around the buggy address: [ 28.406145] fff00000c7777f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.406683] fff00000c7778000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 28.407071] >fff00000c7778080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 28.407207] ^ [ 28.407323] fff00000c7778100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.407486] fff00000c7778180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.407610] ==================================================================
[ 13.287321] ================================================================== [ 13.288113] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 13.288606] Read of size 1 at addr ffff8881027090c8 by task kunit_try_catch/226 [ 13.289427] [ 13.289572] CPU: 0 UID: 0 PID: 226 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7 #1 PREEMPT(voluntary) [ 13.289624] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.289637] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.289659] Call Trace: [ 13.289671] <TASK> [ 13.289690] dump_stack_lvl+0x73/0xb0 [ 13.289844] print_report+0xd1/0x650 [ 13.289877] ? __virt_addr_valid+0x1db/0x2d0 [ 13.289901] ? kmem_cache_oob+0x402/0x530 [ 13.289920] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.289942] ? kmem_cache_oob+0x402/0x530 [ 13.289961] kasan_report+0x141/0x180 [ 13.289983] ? kmem_cache_oob+0x402/0x530 [ 13.290006] __asan_report_load1_noabort+0x18/0x20 [ 13.290026] kmem_cache_oob+0x402/0x530 [ 13.290044] ? trace_hardirqs_on+0x37/0xe0 [ 13.290068] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.290087] ? finish_task_switch.isra.0+0x153/0x700 [ 13.290111] ? __switch_to+0x5d9/0xf60 [ 13.290132] ? dequeue_task_fair+0x156/0x4e0 [ 13.290159] ? __pfx_read_tsc+0x10/0x10 [ 13.290179] ? ktime_get_ts64+0x86/0x230 [ 13.290203] kunit_try_run_case+0x1a5/0x480 [ 13.290227] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.290248] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.290271] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.290303] ? __kthread_parkme+0x82/0x180 [ 13.290325] ? preempt_count_sub+0x50/0x80 [ 13.290348] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.290371] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.290393] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.290415] kthread+0x337/0x6f0 [ 13.290432] ? trace_preempt_on+0x20/0xc0 [ 13.290453] ? __pfx_kthread+0x10/0x10 [ 13.290471] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.290491] ? calculate_sigpending+0x7b/0xa0 [ 13.290512] ? __pfx_kthread+0x10/0x10 [ 13.290530] ret_from_fork+0x41/0x80 [ 13.290549] ? __pfx_kthread+0x10/0x10 [ 13.290567] ret_from_fork_asm+0x1a/0x30 [ 13.290597] </TASK> [ 13.290609] [ 13.300644] Allocated by task 226: [ 13.300883] kasan_save_stack+0x45/0x70 [ 13.301094] kasan_save_track+0x18/0x40 [ 13.301494] kasan_save_alloc_info+0x3b/0x50 [ 13.301669] __kasan_slab_alloc+0x91/0xa0 [ 13.301869] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.302096] kmem_cache_oob+0x157/0x530 [ 13.302237] kunit_try_run_case+0x1a5/0x480 [ 13.302582] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.302849] kthread+0x337/0x6f0 [ 13.303156] ret_from_fork+0x41/0x80 [ 13.303366] ret_from_fork_asm+0x1a/0x30 [ 13.303609] [ 13.303681] The buggy address belongs to the object at ffff888102709000 [ 13.303681] which belongs to the cache test_cache of size 200 [ 13.304793] The buggy address is located 0 bytes to the right of [ 13.304793] allocated 200-byte region [ffff888102709000, ffff8881027090c8) [ 13.305735] [ 13.305844] The buggy address belongs to the physical page: [ 13.306405] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102709 [ 13.306876] flags: 0x200000000000000(node=0|zone=2) [ 13.307502] page_type: f5(slab) [ 13.307810] raw: 0200000000000000 ffff888102707000 dead000000000122 0000000000000000 [ 13.308374] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.309115] page dumped because: kasan: bad access detected [ 13.309588] [ 13.309845] Memory state around the buggy address: [ 13.310453] ffff888102708f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.310754] ffff888102709000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.311259] >ffff888102709080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.311716] ^ [ 13.312139] ffff888102709100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.312655] ffff888102709180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.313226] ==================================================================