Date
July 3, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.181260] ================================================================== [ 20.181431] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 20.181566] Read of size 1 at addr fff00000c63910c8 by task kunit_try_catch/207 [ 20.181716] [ 20.181832] CPU: 0 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.182013] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.182095] Hardware name: linux,dummy-virt (DT) [ 20.182174] Call trace: [ 20.182223] show_stack+0x20/0x38 (C) [ 20.182329] dump_stack_lvl+0x8c/0xd0 [ 20.182419] print_report+0x118/0x608 [ 20.182540] kasan_report+0xdc/0x128 [ 20.182655] __asan_report_load1_noabort+0x20/0x30 [ 20.182763] kmem_cache_oob+0x344/0x430 [ 20.182869] kunit_try_run_case+0x170/0x3f0 [ 20.183082] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.183244] kthread+0x328/0x630 [ 20.183495] ret_from_fork+0x10/0x20 [ 20.183800] [ 20.183852] Allocated by task 207: [ 20.183911] kasan_save_stack+0x3c/0x68 [ 20.184016] kasan_save_track+0x20/0x40 [ 20.184116] kasan_save_alloc_info+0x40/0x58 [ 20.184205] __kasan_slab_alloc+0xa8/0xb0 [ 20.184792] kmem_cache_alloc_noprof+0x10c/0x398 [ 20.185056] kmem_cache_oob+0x12c/0x430 [ 20.185333] kunit_try_run_case+0x170/0x3f0 [ 20.185833] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.186285] kthread+0x328/0x630 [ 20.186379] ret_from_fork+0x10/0x20 [ 20.186460] [ 20.186513] The buggy address belongs to the object at fff00000c6391000 [ 20.186513] which belongs to the cache test_cache of size 200 [ 20.186822] The buggy address is located 0 bytes to the right of [ 20.186822] allocated 200-byte region [fff00000c6391000, fff00000c63910c8) [ 20.187166] [ 20.187233] The buggy address belongs to the physical page: [ 20.187516] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106391 [ 20.187780] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.188459] page_type: f5(slab) [ 20.188572] raw: 0bfffe0000000000 fff00000c6de6000 dead000000000122 0000000000000000 [ 20.188692] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 20.188792] page dumped because: kasan: bad access detected [ 20.188867] [ 20.188907] Memory state around the buggy address: [ 20.188984] fff00000c6390f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.189102] fff00000c6391000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.189194] >fff00000c6391080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 20.189846] ^ [ 20.190272] fff00000c6391100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.190647] fff00000c6391180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.190841] ==================================================================
[ 12.188169] ================================================================== [ 12.189644] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 12.190132] Read of size 1 at addr ffff8881039bc0c8 by task kunit_try_catch/224 [ 12.190518] [ 12.190736] CPU: 1 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 12.190809] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.190821] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.190842] Call Trace: [ 12.190854] <TASK> [ 12.190869] dump_stack_lvl+0x73/0xb0 [ 12.190908] print_report+0xd1/0x650 [ 12.190929] ? __virt_addr_valid+0x1db/0x2d0 [ 12.190953] ? kmem_cache_oob+0x402/0x530 [ 12.190974] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.190995] ? kmem_cache_oob+0x402/0x530 [ 12.191017] kasan_report+0x141/0x180 [ 12.191038] ? kmem_cache_oob+0x402/0x530 [ 12.191064] __asan_report_load1_noabort+0x18/0x20 [ 12.191087] kmem_cache_oob+0x402/0x530 [ 12.191107] ? trace_hardirqs_on+0x37/0xe0 [ 12.191166] ? __pfx_kmem_cache_oob+0x10/0x10 [ 12.191188] ? finish_task_switch.isra.0+0x153/0x700 [ 12.191210] ? __switch_to+0x47/0xf50 [ 12.191237] ? __pfx_read_tsc+0x10/0x10 [ 12.191257] ? ktime_get_ts64+0x86/0x230 [ 12.191281] kunit_try_run_case+0x1a5/0x480 [ 12.191304] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.191335] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.191357] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.191379] ? __kthread_parkme+0x82/0x180 [ 12.191398] ? preempt_count_sub+0x50/0x80 [ 12.191419] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.191441] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.191462] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.191483] kthread+0x337/0x6f0 [ 12.191501] ? trace_preempt_on+0x20/0xc0 [ 12.191521] ? __pfx_kthread+0x10/0x10 [ 12.191540] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.191559] ? calculate_sigpending+0x7b/0xa0 [ 12.191582] ? __pfx_kthread+0x10/0x10 [ 12.191604] ret_from_fork+0x116/0x1d0 [ 12.191621] ? __pfx_kthread+0x10/0x10 [ 12.191640] ret_from_fork_asm+0x1a/0x30 [ 12.191669] </TASK> [ 12.191679] [ 12.203803] Allocated by task 224: [ 12.203944] kasan_save_stack+0x45/0x70 [ 12.204157] kasan_save_track+0x18/0x40 [ 12.204565] kasan_save_alloc_info+0x3b/0x50 [ 12.204831] __kasan_slab_alloc+0x91/0xa0 [ 12.205013] kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.205234] kmem_cache_oob+0x157/0x530 [ 12.205456] kunit_try_run_case+0x1a5/0x480 [ 12.205697] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.205902] kthread+0x337/0x6f0 [ 12.206100] ret_from_fork+0x116/0x1d0 [ 12.206437] ret_from_fork_asm+0x1a/0x30 [ 12.206675] [ 12.206772] The buggy address belongs to the object at ffff8881039bc000 [ 12.206772] which belongs to the cache test_cache of size 200 [ 12.207350] The buggy address is located 0 bytes to the right of [ 12.207350] allocated 200-byte region [ffff8881039bc000, ffff8881039bc0c8) [ 12.207958] [ 12.208061] The buggy address belongs to the physical page: [ 12.208375] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039bc [ 12.208807] flags: 0x200000000000000(node=0|zone=2) [ 12.208981] page_type: f5(slab) [ 12.209099] raw: 0200000000000000 ffff8881019c63c0 dead000000000122 0000000000000000 [ 12.209536] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 12.209851] page dumped because: kasan: bad access detected [ 12.210057] [ 12.210172] Memory state around the buggy address: [ 12.210490] ffff8881039bbf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.210719] ffff8881039bc000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.211064] >ffff8881039bc080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 12.211366] ^ [ 12.211888] ffff8881039bc100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.212542] ffff8881039bc180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.212862] ==================================================================