Date
July 10, 2025, 6:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.479946] ================================================================== [ 17.480024] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 17.480373] Read of size 1 at addr fff00000c5a380c8 by task kunit_try_catch/207 [ 17.480699] [ 17.480824] CPU: 1 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 17.480916] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.480944] Hardware name: linux,dummy-virt (DT) [ 17.480976] Call trace: [ 17.480999] show_stack+0x20/0x38 (C) [ 17.481054] dump_stack_lvl+0x8c/0xd0 [ 17.481104] print_report+0x118/0x608 [ 17.481153] kasan_report+0xdc/0x128 [ 17.481200] __asan_report_load1_noabort+0x20/0x30 [ 17.481492] kmem_cache_oob+0x344/0x430 [ 17.481691] kunit_try_run_case+0x170/0x3f0 [ 17.481744] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.482245] kthread+0x328/0x630 [ 17.482526] ret_from_fork+0x10/0x20 [ 17.482607] [ 17.482902] Allocated by task 207: [ 17.482936] kasan_save_stack+0x3c/0x68 [ 17.482982] kasan_save_track+0x20/0x40 [ 17.483153] kasan_save_alloc_info+0x40/0x58 [ 17.483234] __kasan_slab_alloc+0xa8/0xb0 [ 17.483296] kmem_cache_alloc_noprof+0x10c/0x398 [ 17.483464] kmem_cache_oob+0x12c/0x430 [ 17.483618] kunit_try_run_case+0x170/0x3f0 [ 17.483732] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.483810] kthread+0x328/0x630 [ 17.484234] ret_from_fork+0x10/0x20 [ 17.484599] [ 17.484643] The buggy address belongs to the object at fff00000c5a38000 [ 17.484643] which belongs to the cache test_cache of size 200 [ 17.484756] The buggy address is located 0 bytes to the right of [ 17.484756] allocated 200-byte region [fff00000c5a38000, fff00000c5a380c8) [ 17.484877] [ 17.484963] The buggy address belongs to the physical page: [ 17.485026] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a38 [ 17.485084] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.485183] page_type: f5(slab) [ 17.485389] raw: 0bfffe0000000000 fff00000c5973280 dead000000000122 0000000000000000 [ 17.485455] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 17.485595] page dumped because: kasan: bad access detected [ 17.485627] [ 17.485644] Memory state around the buggy address: [ 17.485699] fff00000c5a37f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.485786] fff00000c5a38000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.485963] >fff00000c5a38080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 17.486001] ^ [ 17.486036] fff00000c5a38100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.486078] fff00000c5a38180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.486116] ==================================================================
[ 13.126797] ================================================================== [ 13.127260] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 13.127494] Read of size 1 at addr ffff888103a090c8 by task kunit_try_catch/224 [ 13.127715] [ 13.127805] CPU: 0 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.127850] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.127862] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.127882] Call Trace: [ 13.127894] <TASK> [ 13.127911] dump_stack_lvl+0x73/0xb0 [ 13.127959] print_report+0xd1/0x650 [ 13.128284] ? __virt_addr_valid+0x1db/0x2d0 [ 13.128323] ? kmem_cache_oob+0x402/0x530 [ 13.128346] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.128369] ? kmem_cache_oob+0x402/0x530 [ 13.128392] kasan_report+0x141/0x180 [ 13.128413] ? kmem_cache_oob+0x402/0x530 [ 13.128447] __asan_report_load1_noabort+0x18/0x20 [ 13.128471] kmem_cache_oob+0x402/0x530 [ 13.128492] ? trace_hardirqs_on+0x37/0xe0 [ 13.128516] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.128539] ? finish_task_switch.isra.0+0x153/0x700 [ 13.128562] ? __switch_to+0x47/0xf50 [ 13.128590] ? __pfx_read_tsc+0x10/0x10 [ 13.128611] ? ktime_get_ts64+0x86/0x230 [ 13.128679] kunit_try_run_case+0x1a5/0x480 [ 13.128705] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.129129] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.129163] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.129188] ? __kthread_parkme+0x82/0x180 [ 13.129209] ? preempt_count_sub+0x50/0x80 [ 13.129233] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.129259] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.129284] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.129309] kthread+0x337/0x6f0 [ 13.129327] ? trace_preempt_on+0x20/0xc0 [ 13.129349] ? __pfx_kthread+0x10/0x10 [ 13.129369] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.129390] ? calculate_sigpending+0x7b/0xa0 [ 13.129414] ? __pfx_kthread+0x10/0x10 [ 13.129435] ret_from_fork+0x116/0x1d0 [ 13.129453] ? __pfx_kthread+0x10/0x10 [ 13.129472] ret_from_fork_asm+0x1a/0x30 [ 13.129503] </TASK> [ 13.129513] [ 13.142738] Allocated by task 224: [ 13.143214] kasan_save_stack+0x45/0x70 [ 13.143574] kasan_save_track+0x18/0x40 [ 13.143779] kasan_save_alloc_info+0x3b/0x50 [ 13.144279] __kasan_slab_alloc+0x91/0xa0 [ 13.144608] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.144786] kmem_cache_oob+0x157/0x530 [ 13.145221] kunit_try_run_case+0x1a5/0x480 [ 13.145423] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.145786] kthread+0x337/0x6f0 [ 13.146111] ret_from_fork+0x116/0x1d0 [ 13.146513] ret_from_fork_asm+0x1a/0x30 [ 13.146667] [ 13.146994] The buggy address belongs to the object at ffff888103a09000 [ 13.146994] which belongs to the cache test_cache of size 200 [ 13.147773] The buggy address is located 0 bytes to the right of [ 13.147773] allocated 200-byte region [ffff888103a09000, ffff888103a090c8) [ 13.148944] [ 13.149022] The buggy address belongs to the physical page: [ 13.149614] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a09 [ 13.150455] flags: 0x200000000000000(node=0|zone=2) [ 13.150626] page_type: f5(slab) [ 13.150745] raw: 0200000000000000 ffff888101654a00 dead000000000122 0000000000000000 [ 13.151007] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.151532] page dumped because: kasan: bad access detected [ 13.151732] [ 13.151805] Memory state around the buggy address: [ 13.152156] ffff888103a08f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.152499] ffff888103a09000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.152784] >ffff888103a09080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.153156] ^ [ 13.153331] ffff888103a09100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.153633] ffff888103a09180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.154110] ==================================================================