Date
July 12, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.014643] ================================================================== [ 20.014896] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 20.015119] Read of size 1 at addr fff00000c59aa0c8 by task kunit_try_catch/208 [ 20.015301] [ 20.015426] CPU: 0 UID: 0 PID: 208 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 20.015666] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.015770] Hardware name: linux,dummy-virt (DT) [ 20.015872] Call trace: [ 20.015920] show_stack+0x20/0x38 (C) [ 20.016040] dump_stack_lvl+0x8c/0xd0 [ 20.016318] print_report+0x118/0x608 [ 20.016644] kasan_report+0xdc/0x128 [ 20.016887] __asan_report_load1_noabort+0x20/0x30 [ 20.017049] kmem_cache_oob+0x344/0x430 [ 20.017237] kunit_try_run_case+0x170/0x3f0 [ 20.017371] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.017502] kthread+0x328/0x630 [ 20.017795] ret_from_fork+0x10/0x20 [ 20.017915] [ 20.017942] Allocated by task 208: [ 20.017981] kasan_save_stack+0x3c/0x68 [ 20.018034] kasan_save_track+0x20/0x40 [ 20.018078] kasan_save_alloc_info+0x40/0x58 [ 20.018122] __kasan_slab_alloc+0xa8/0xb0 [ 20.018166] kmem_cache_alloc_noprof+0x10c/0x398 [ 20.018210] kmem_cache_oob+0x12c/0x430 [ 20.018251] kunit_try_run_case+0x170/0x3f0 [ 20.018294] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.018343] kthread+0x328/0x630 [ 20.018379] ret_from_fork+0x10/0x20 [ 20.018419] [ 20.018440] The buggy address belongs to the object at fff00000c59aa000 [ 20.018440] which belongs to the cache test_cache of size 200 [ 20.018504] The buggy address is located 0 bytes to the right of [ 20.018504] allocated 200-byte region [fff00000c59aa000, fff00000c59aa0c8) [ 20.018589] [ 20.018614] The buggy address belongs to the physical page: [ 20.018650] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1059aa [ 20.018743] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.018808] page_type: f5(slab) [ 20.018929] raw: 0bfffe0000000000 fff00000c5801640 dead000000000122 0000000000000000 [ 20.019069] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 20.019856] page dumped because: kasan: bad access detected [ 20.019926] [ 20.019964] Memory state around the buggy address: [ 20.020037] fff00000c59a9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.020199] fff00000c59aa000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.020498] >fff00000c59aa080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 20.020649] ^ [ 20.020926] fff00000c59aa100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.021031] fff00000c59aa180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.021124] ==================================================================
[ 13.257833] ================================================================== [ 13.258273] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 13.258553] Read of size 1 at addr ffff888103ac30c8 by task kunit_try_catch/225 [ 13.258923] [ 13.259055] CPU: 0 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.259145] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.259156] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.259176] Call Trace: [ 13.259188] <TASK> [ 13.259204] dump_stack_lvl+0x73/0xb0 [ 13.259232] print_report+0xd1/0x650 [ 13.259254] ? __virt_addr_valid+0x1db/0x2d0 [ 13.259278] ? kmem_cache_oob+0x402/0x530 [ 13.259300] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.259323] ? kmem_cache_oob+0x402/0x530 [ 13.259345] kasan_report+0x141/0x180 [ 13.259366] ? kmem_cache_oob+0x402/0x530 [ 13.259393] __asan_report_load1_noabort+0x18/0x20 [ 13.259418] kmem_cache_oob+0x402/0x530 [ 13.259452] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.259474] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 13.259503] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.259530] kunit_try_run_case+0x1a5/0x480 [ 13.259554] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.259577] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.259600] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.259624] ? __kthread_parkme+0x82/0x180 [ 13.259656] ? preempt_count_sub+0x50/0x80 [ 13.259681] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.259705] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.259729] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.259765] kthread+0x337/0x6f0 [ 13.259784] ? trace_preempt_on+0x20/0xc0 [ 13.259808] ? __pfx_kthread+0x10/0x10 [ 13.259829] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.259850] ? calculate_sigpending+0x7b/0xa0 [ 13.259873] ? __pfx_kthread+0x10/0x10 [ 13.259894] ret_from_fork+0x116/0x1d0 [ 13.259913] ? __pfx_kthread+0x10/0x10 [ 13.259933] ret_from_fork_asm+0x1a/0x30 [ 13.259963] </TASK> [ 13.259974] [ 13.274206] Allocated by task 225: [ 13.274393] kasan_save_stack+0x45/0x70 [ 13.274539] kasan_save_track+0x18/0x40 [ 13.274742] kasan_save_alloc_info+0x3b/0x50 [ 13.275156] __kasan_slab_alloc+0x91/0xa0 [ 13.275536] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.276103] kmem_cache_oob+0x157/0x530 [ 13.276460] kunit_try_run_case+0x1a5/0x480 [ 13.276888] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.277085] kthread+0x337/0x6f0 [ 13.277203] ret_from_fork+0x116/0x1d0 [ 13.277333] ret_from_fork_asm+0x1a/0x30 [ 13.277467] [ 13.277535] The buggy address belongs to the object at ffff888103ac3000 [ 13.277535] which belongs to the cache test_cache of size 200 [ 13.278460] The buggy address is located 0 bytes to the right of [ 13.278460] allocated 200-byte region [ffff888103ac3000, ffff888103ac30c8) [ 13.279843] [ 13.280006] The buggy address belongs to the physical page: [ 13.280473] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103ac3 [ 13.281242] flags: 0x200000000000000(node=0|zone=2) [ 13.281575] page_type: f5(slab) [ 13.281941] raw: 0200000000000000 ffff888101342280 dead000000000122 0000000000000000 [ 13.282533] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.283069] page dumped because: kasan: bad access detected [ 13.283558] [ 13.283727] Memory state around the buggy address: [ 13.284226] ffff888103ac2f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.284958] ffff888103ac3000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.285176] >ffff888103ac3080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.285381] ^ [ 13.285545] ffff888103ac3100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.285778] ffff888103ac3180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.286198] ==================================================================