Date
May 13, 2025, 12:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.754274] ================================================================== [ 19.754477] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 19.754618] Read of size 1 at addr fff00000c66140c8 by task kunit_try_catch/207 [ 19.754682] [ 19.754831] CPU: 1 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT [ 19.755003] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.755072] Hardware name: linux,dummy-virt (DT) [ 19.755116] Call trace: [ 19.755146] show_stack+0x20/0x38 (C) [ 19.755214] dump_stack_lvl+0x8c/0xd0 [ 19.755268] print_report+0x118/0x608 [ 19.755455] kasan_report+0xdc/0x128 [ 19.755608] __asan_report_load1_noabort+0x20/0x30 [ 19.755836] kmem_cache_oob+0x344/0x430 [ 19.755928] kunit_try_run_case+0x170/0x3f0 [ 19.756004] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.756181] kthread+0x328/0x630 [ 19.756288] ret_from_fork+0x10/0x20 [ 19.756354] [ 19.756376] Allocated by task 207: [ 19.756410] kasan_save_stack+0x3c/0x68 [ 19.756462] kasan_save_track+0x20/0x40 [ 19.756647] kasan_save_alloc_info+0x40/0x58 [ 19.756697] __kasan_slab_alloc+0xa8/0xb0 [ 19.756740] kmem_cache_alloc_noprof+0x10c/0x3a0 [ 19.756789] kmem_cache_oob+0x12c/0x430 [ 19.756830] kunit_try_run_case+0x170/0x3f0 [ 19.756872] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.756921] kthread+0x328/0x630 [ 19.757211] ret_from_fork+0x10/0x20 [ 19.757400] [ 19.757509] The buggy address belongs to the object at fff00000c6614000 [ 19.757509] which belongs to the cache test_cache of size 200 [ 19.757609] The buggy address is located 0 bytes to the right of [ 19.757609] allocated 200-byte region [fff00000c6614000, fff00000c66140c8) [ 19.757689] [ 19.757845] The buggy address belongs to the physical page: [ 19.757983] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106614 [ 19.758052] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.758158] page_type: f5(slab) [ 19.758216] raw: 0bfffe0000000000 fff00000c1806b40 dead000000000122 0000000000000000 [ 19.758426] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 19.758649] page dumped because: kasan: bad access detected [ 19.758703] [ 19.758726] Memory state around the buggy address: [ 19.758782] fff00000c6613f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.758838] fff00000c6614000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.759294] >fff00000c6614080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 19.759688] ^ [ 19.759801] fff00000c6614100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.759938] fff00000c6614180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.760084] ==================================================================
[ 11.757013] ================================================================== [ 11.757398] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 11.757683] Read of size 1 at addr ffff8881039da0c8 by task kunit_try_catch/224 [ 11.758165] [ 11.758315] CPU: 1 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) [ 11.758366] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.758379] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.758400] Call Trace: [ 11.758413] <TASK> [ 11.758431] dump_stack_lvl+0x73/0xb0 [ 11.758461] print_report+0xd1/0x650 [ 11.758492] ? __virt_addr_valid+0x1db/0x2d0 [ 11.758516] ? kmem_cache_oob+0x402/0x530 [ 11.758586] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.758610] ? kmem_cache_oob+0x402/0x530 [ 11.758662] kasan_report+0x141/0x180 [ 11.758686] ? kmem_cache_oob+0x402/0x530 [ 11.758711] __asan_report_load1_noabort+0x18/0x20 [ 11.758732] kmem_cache_oob+0x402/0x530 [ 11.758749] ? trace_hardirqs_on+0x37/0xe0 [ 11.758774] ? __pfx_kmem_cache_oob+0x10/0x10 [ 11.758793] ? finish_task_switch.isra.0+0x153/0x700 [ 11.758815] ? __switch_to+0x47/0xf50 [ 11.758845] ? __pfx_read_tsc+0x10/0x10 [ 11.758865] ? ktime_get_ts64+0x86/0x230 [ 11.758891] kunit_try_run_case+0x1a5/0x480 [ 11.758933] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.758955] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.758993] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.759015] ? __kthread_parkme+0x82/0x180 [ 11.759036] ? preempt_count_sub+0x50/0x80 [ 11.759059] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.759082] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.759105] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.759128] kthread+0x337/0x6f0 [ 11.759147] ? trace_preempt_on+0x20/0xc0 [ 11.759169] ? __pfx_kthread+0x10/0x10 [ 11.759202] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.759222] ? calculate_sigpending+0x7b/0xa0 [ 11.759246] ? __pfx_kthread+0x10/0x10 [ 11.759268] ret_from_fork+0x116/0x1d0 [ 11.759286] ? __pfx_kthread+0x10/0x10 [ 11.759307] ret_from_fork_asm+0x1a/0x30 [ 11.759339] </TASK> [ 11.759350] [ 11.770346] Allocated by task 224: [ 11.770725] kasan_save_stack+0x45/0x70 [ 11.770914] kasan_save_track+0x18/0x40 [ 11.771085] kasan_save_alloc_info+0x3b/0x50 [ 11.771641] __kasan_slab_alloc+0x91/0xa0 [ 11.772022] kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.772366] kmem_cache_oob+0x157/0x530 [ 11.772924] kunit_try_run_case+0x1a5/0x480 [ 11.773122] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.773825] kthread+0x337/0x6f0 [ 11.774079] ret_from_fork+0x116/0x1d0 [ 11.774520] ret_from_fork_asm+0x1a/0x30 [ 11.774798] [ 11.775015] The buggy address belongs to the object at ffff8881039da000 [ 11.775015] which belongs to the cache test_cache of size 200 [ 11.775897] The buggy address is located 0 bytes to the right of [ 11.775897] allocated 200-byte region [ffff8881039da000, ffff8881039da0c8) [ 11.776910] [ 11.777014] The buggy address belongs to the physical page: [ 11.777818] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039da [ 11.778159] flags: 0x200000000000000(node=0|zone=2) [ 11.778749] page_type: f5(slab) [ 11.778917] raw: 0200000000000000 ffff888100faf3c0 dead000000000122 0000000000000000 [ 11.779300] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 11.779955] page dumped because: kasan: bad access detected [ 11.780368] [ 11.780461] Memory state around the buggy address: [ 11.781024] ffff8881039d9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.781754] ffff8881039da000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.782202] >ffff8881039da080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 11.782834] ^ [ 11.783083] ffff8881039da100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.783951] ffff8881039da180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.784355] ==================================================================