Date
June 5, 2025, 7:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 26.350565] ================================================================== [ 26.350701] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 26.350842] Free of addr fff00000c7761001 by task kunit_try_catch/211 [ 26.350946] [ 26.351023] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT [ 26.353585] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.354120] Hardware name: linux,dummy-virt (DT) [ 26.354240] Call trace: [ 26.354313] show_stack+0x20/0x38 (C) [ 26.354467] dump_stack_lvl+0x8c/0xd0 [ 26.355156] print_report+0x118/0x608 [ 26.355917] kasan_report_invalid_free+0xc0/0xe8 [ 26.356214] check_slab_allocation+0xfc/0x108 [ 26.356489] __kasan_slab_pre_free+0x2c/0x48 [ 26.356664] kmem_cache_free+0xf0/0x468 [ 26.356904] kmem_cache_invalid_free+0x184/0x3c8 [ 26.357173] kunit_try_run_case+0x170/0x3f0 [ 26.357553] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.357940] kthread+0x328/0x630 [ 26.358093] ret_from_fork+0x10/0x20 [ 26.358235] [ 26.358430] Allocated by task 211: [ 26.358516] kasan_save_stack+0x3c/0x68 [ 26.358745] kasan_save_track+0x20/0x40 [ 26.358875] kasan_save_alloc_info+0x40/0x58 [ 26.359102] __kasan_slab_alloc+0xa8/0xb0 [ 26.359229] kmem_cache_alloc_noprof+0x10c/0x398 [ 26.359370] kmem_cache_invalid_free+0x12c/0x3c8 [ 26.359671] kunit_try_run_case+0x170/0x3f0 [ 26.359787] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.359928] kthread+0x328/0x630 [ 26.360655] ret_from_fork+0x10/0x20 [ 26.360796] [ 26.360847] The buggy address belongs to the object at fff00000c7761000 [ 26.360847] which belongs to the cache test_cache of size 200 [ 26.360995] The buggy address is located 1 bytes inside of [ 26.360995] 200-byte region [fff00000c7761000, fff00000c77610c8) [ 26.361370] [ 26.362115] The buggy address belongs to the physical page: [ 26.362222] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107761 [ 26.362427] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.362667] page_type: f5(slab) [ 26.362984] raw: 0bfffe0000000000 fff00000ffeb0f00 dead000000000122 0000000000000000 [ 26.363131] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 26.363324] page dumped because: kasan: bad access detected [ 26.363464] [ 26.363541] Memory state around the buggy address: [ 26.363640] fff00000c7760f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 26.363757] fff00000c7760f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 26.363866] >fff00000c7761000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.364116] ^ [ 26.364193] fff00000c7761080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 26.364297] fff00000c7761100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.364640] ==================================================================
[ 12.135758] ================================================================== [ 12.136875] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 12.137120] Free of addr ffff888102787001 by task kunit_try_catch/228 [ 12.137318] [ 12.137427] CPU: 1 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250605 #1 PREEMPT(voluntary) [ 12.137471] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.137482] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.137502] Call Trace: [ 12.137513] <TASK> [ 12.137528] dump_stack_lvl+0x73/0xb0 [ 12.137553] print_report+0xd1/0x650 [ 12.137574] ? __virt_addr_valid+0x1db/0x2d0 [ 12.137598] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.137619] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.137644] kasan_report_invalid_free+0x10a/0x130 [ 12.137668] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.137737] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.137761] check_slab_allocation+0x11f/0x130 [ 12.137795] __kasan_slab_pre_free+0x28/0x40 [ 12.137815] kmem_cache_free+0xed/0x420 [ 12.137835] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.137856] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.137884] kmem_cache_invalid_free+0x1d8/0x460 [ 12.137917] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 12.137941] ? finish_task_switch.isra.0+0x153/0x700 [ 12.137963] ? __switch_to+0x47/0xf50 [ 12.137990] ? __pfx_read_tsc+0x10/0x10 [ 12.138011] ? ktime_get_ts64+0x86/0x230 [ 12.138071] kunit_try_run_case+0x1a5/0x480 [ 12.138119] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.138160] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.138187] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.138211] ? __kthread_parkme+0x82/0x180 [ 12.138230] ? preempt_count_sub+0x50/0x80 [ 12.138252] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.138273] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.138297] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.138320] kthread+0x337/0x6f0 [ 12.138339] ? trace_preempt_on+0x20/0xc0 [ 12.138362] ? __pfx_kthread+0x10/0x10 [ 12.138382] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.138403] ? calculate_sigpending+0x7b/0xa0 [ 12.138427] ? __pfx_kthread+0x10/0x10 [ 12.138448] ret_from_fork+0x116/0x1d0 [ 12.138465] ? __pfx_kthread+0x10/0x10 [ 12.138485] ret_from_fork_asm+0x1a/0x30 [ 12.138515] </TASK> [ 12.138525] [ 12.155811] Allocated by task 228: [ 12.156289] kasan_save_stack+0x45/0x70 [ 12.156474] kasan_save_track+0x18/0x40 [ 12.156610] kasan_save_alloc_info+0x3b/0x50 [ 12.157159] __kasan_slab_alloc+0x91/0xa0 [ 12.157575] kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.158123] kmem_cache_invalid_free+0x157/0x460 [ 12.158286] kunit_try_run_case+0x1a5/0x480 [ 12.158429] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.158604] kthread+0x337/0x6f0 [ 12.158960] ret_from_fork+0x116/0x1d0 [ 12.159562] ret_from_fork_asm+0x1a/0x30 [ 12.160130] [ 12.160344] The buggy address belongs to the object at ffff888102787000 [ 12.160344] which belongs to the cache test_cache of size 200 [ 12.161656] The buggy address is located 1 bytes inside of [ 12.161656] 200-byte region [ffff888102787000, ffff8881027870c8) [ 12.162274] [ 12.162443] The buggy address belongs to the physical page: [ 12.163054] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102787 [ 12.163536] flags: 0x200000000000000(node=0|zone=2) [ 12.163925] page_type: f5(slab) [ 12.164448] raw: 0200000000000000 ffff8881018ce140 dead000000000122 0000000000000000 [ 12.165263] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 12.165583] page dumped because: kasan: bad access detected [ 12.166145] [ 12.166380] Memory state around the buggy address: [ 12.166923] ffff888102786f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.167385] ffff888102786f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.167609] >ffff888102787000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.168329] ^ [ 12.168740] ffff888102787080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 12.169466] ffff888102787100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.169881] ==================================================================