Date
June 25, 2025, 8:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 27.572991] ================================================================== [ 27.573063] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 27.573134] Free of addr fff00000c78ef001 by task kunit_try_catch/223 [ 27.573176] [ 27.573216] CPU: 0 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT [ 27.573302] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.573330] Hardware name: linux,dummy-virt (DT) [ 27.573363] Call trace: [ 27.573386] show_stack+0x20/0x38 (C) [ 27.573451] dump_stack_lvl+0x8c/0xd0 [ 27.573513] print_report+0x118/0x608 [ 27.573562] kasan_report_invalid_free+0xc0/0xe8 [ 27.573612] check_slab_allocation+0xfc/0x108 [ 27.573672] __kasan_slab_pre_free+0x2c/0x48 [ 27.573722] kmem_cache_free+0xf0/0x468 [ 27.573780] kmem_cache_invalid_free+0x184/0x3c8 [ 27.573829] kunit_try_run_case+0x170/0x3f0 [ 27.573882] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.573937] kthread+0x328/0x630 [ 27.573981] ret_from_fork+0x10/0x20 [ 27.574031] [ 27.574049] Allocated by task 223: [ 27.574084] kasan_save_stack+0x3c/0x68 [ 27.574133] kasan_save_track+0x20/0x40 [ 27.574172] kasan_save_alloc_info+0x40/0x58 [ 27.574218] __kasan_slab_alloc+0xa8/0xb0 [ 27.574265] kmem_cache_alloc_noprof+0x10c/0x398 [ 27.574305] kmem_cache_invalid_free+0x12c/0x3c8 [ 27.574347] kunit_try_run_case+0x170/0x3f0 [ 27.574385] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.575167] kthread+0x328/0x630 [ 27.575222] ret_from_fork+0x10/0x20 [ 27.575456] [ 27.575489] The buggy address belongs to the object at fff00000c78ef000 [ 27.575489] which belongs to the cache test_cache of size 200 [ 27.575559] The buggy address is located 1 bytes inside of [ 27.575559] 200-byte region [fff00000c78ef000, fff00000c78ef0c8) [ 27.575618] [ 27.575927] The buggy address belongs to the physical page: [ 27.576020] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078ef [ 27.576195] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 27.576344] page_type: f5(slab) [ 27.576595] raw: 0bfffe0000000000 fff00000c790a000 dead000000000122 0000000000000000 [ 27.576698] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 27.576742] page dumped because: kasan: bad access detected [ 27.576972] [ 27.577098] Memory state around the buggy address: [ 27.577154] fff00000c78eef00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.577244] fff00000c78eef80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.577382] >fff00000c78ef000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.577468] ^ [ 27.577628] fff00000c78ef080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 27.577739] fff00000c78ef100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.577853] ==================================================================
[ 22.584365] ================================================================== [ 22.585317] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 22.585902] Free of addr ffff888102595001 by task kunit_try_catch/240 [ 22.586160] [ 22.586445] CPU: 0 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT(voluntary) [ 22.586499] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.586513] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.586534] Call Trace: [ 22.586548] <TASK> [ 22.586565] dump_stack_lvl+0x73/0xb0 [ 22.586594] print_report+0xd1/0x650 [ 22.586614] ? __virt_addr_valid+0x1db/0x2d0 [ 22.586638] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.586663] ? kmem_cache_invalid_free+0x1d8/0x460 [ 22.586913] kasan_report_invalid_free+0x10a/0x130 [ 22.586968] ? kmem_cache_invalid_free+0x1d8/0x460 [ 22.586993] ? kmem_cache_invalid_free+0x1d8/0x460 [ 22.587017] check_slab_allocation+0x11f/0x130 [ 22.587038] __kasan_slab_pre_free+0x28/0x40 [ 22.587057] kmem_cache_free+0xed/0x420 [ 22.587076] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 22.587100] ? kmem_cache_invalid_free+0x1d8/0x460 [ 22.587125] kmem_cache_invalid_free+0x1d8/0x460 [ 22.587148] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 22.587169] ? finish_task_switch.isra.0+0x153/0x700 [ 22.587191] ? __switch_to+0x47/0xf50 [ 22.587219] ? __pfx_read_tsc+0x10/0x10 [ 22.587239] ? ktime_get_ts64+0x86/0x230 [ 22.587264] kunit_try_run_case+0x1a5/0x480 [ 22.587288] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.587309] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 22.587330] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.587354] ? __kthread_parkme+0x82/0x180 [ 22.587373] ? preempt_count_sub+0x50/0x80 [ 22.587394] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.587417] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.587439] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.587461] kthread+0x337/0x6f0 [ 22.587479] ? trace_preempt_on+0x20/0xc0 [ 22.587502] ? __pfx_kthread+0x10/0x10 [ 22.587521] ? _raw_spin_unlock_irq+0x47/0x80 [ 22.587543] ? calculate_sigpending+0x7b/0xa0 [ 22.587566] ? __pfx_kthread+0x10/0x10 [ 22.587586] ret_from_fork+0x116/0x1d0 [ 22.587604] ? __pfx_kthread+0x10/0x10 [ 22.587623] ret_from_fork_asm+0x1a/0x30 [ 22.587653] </TASK> [ 22.587664] [ 22.603319] Allocated by task 240: [ 22.603658] kasan_save_stack+0x45/0x70 [ 22.604030] kasan_save_track+0x18/0x40 [ 22.604181] kasan_save_alloc_info+0x3b/0x50 [ 22.604624] __kasan_slab_alloc+0x91/0xa0 [ 22.604977] kmem_cache_alloc_noprof+0x123/0x3f0 [ 22.605447] kmem_cache_invalid_free+0x157/0x460 [ 22.605965] kunit_try_run_case+0x1a5/0x480 [ 22.606151] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.606558] kthread+0x337/0x6f0 [ 22.606916] ret_from_fork+0x116/0x1d0 [ 22.607225] ret_from_fork_asm+0x1a/0x30 [ 22.607560] [ 22.607780] The buggy address belongs to the object at ffff888102595000 [ 22.607780] which belongs to the cache test_cache of size 200 [ 22.608457] The buggy address is located 1 bytes inside of [ 22.608457] 200-byte region [ffff888102595000, ffff8881025950c8) [ 22.608775] [ 22.608977] The buggy address belongs to the physical page: [ 22.609403] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102595 [ 22.609968] flags: 0x200000000000000(node=0|zone=2) [ 22.610182] page_type: f5(slab) [ 22.610522] raw: 0200000000000000 ffff8881016b7b40 dead000000000122 0000000000000000 [ 22.610957] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 22.611541] page dumped because: kasan: bad access detected [ 22.611880] [ 22.612080] Memory state around the buggy address: [ 22.612318] ffff888102594f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.612776] ffff888102594f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.613357] >ffff888102595000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.613699] ^ [ 22.613994] ffff888102595080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 22.614433] ffff888102595100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.614716] ==================================================================