Date
July 20, 2025, 11:12 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.906328] ================================================================== [ 15.906400] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 15.906605] Free of addr fff00000c701a001 by task kunit_try_catch/211 [ 15.906659] [ 15.906942] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 15.907466] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.907650] Hardware name: linux,dummy-virt (DT) [ 15.907716] Call trace: [ 15.907825] show_stack+0x20/0x38 (C) [ 15.907913] dump_stack_lvl+0x8c/0xd0 [ 15.907970] print_report+0x118/0x5d0 [ 15.908016] kasan_report_invalid_free+0xc0/0xe8 [ 15.908098] check_slab_allocation+0xfc/0x108 [ 15.908148] __kasan_slab_pre_free+0x2c/0x48 [ 15.908214] kmem_cache_free+0xf0/0x468 [ 15.908263] kmem_cache_invalid_free+0x184/0x3c8 [ 15.908311] kunit_try_run_case+0x170/0x3f0 [ 15.908362] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.908460] kthread+0x328/0x630 [ 15.908502] ret_from_fork+0x10/0x20 [ 15.908559] [ 15.908579] Allocated by task 211: [ 15.908607] kasan_save_stack+0x3c/0x68 [ 15.908649] kasan_save_track+0x20/0x40 [ 15.908706] kasan_save_alloc_info+0x40/0x58 [ 15.908746] __kasan_slab_alloc+0xa8/0xb0 [ 15.908788] kmem_cache_alloc_noprof+0x10c/0x398 [ 15.908843] kmem_cache_invalid_free+0x12c/0x3c8 [ 15.908891] kunit_try_run_case+0x170/0x3f0 [ 15.908929] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.908970] kthread+0x328/0x630 [ 15.909003] ret_from_fork+0x10/0x20 [ 15.909037] [ 15.909057] The buggy address belongs to the object at fff00000c701a000 [ 15.909057] which belongs to the cache test_cache of size 200 [ 15.909114] The buggy address is located 1 bytes inside of [ 15.909114] 200-byte region [fff00000c701a000, fff00000c701a0c8) [ 15.909174] [ 15.909205] The buggy address belongs to the physical page: [ 15.909249] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10701a [ 15.909313] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.909363] page_type: f5(slab) [ 15.909420] raw: 0bfffe0000000000 fff00000c700b140 dead000000000122 0000000000000000 [ 15.909475] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 15.909524] page dumped because: kasan: bad access detected [ 15.909555] [ 15.909578] Memory state around the buggy address: [ 15.909611] fff00000c7019f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 15.910064] fff00000c7019f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 15.910404] >fff00000c701a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.910470] ^ [ 15.910539] fff00000c701a080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 15.910654] fff00000c701a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.910943] ==================================================================
[ 13.042216] ================================================================== [ 13.043166] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 13.043444] Free of addr ffff888102ae3001 by task kunit_try_catch/228 [ 13.043807] [ 13.044425] CPU: 0 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.044476] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.044487] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.044509] Call Trace: [ 13.044521] <TASK> [ 13.044539] dump_stack_lvl+0x73/0xb0 [ 13.044571] print_report+0xd1/0x610 [ 13.044593] ? __virt_addr_valid+0x1db/0x2d0 [ 13.044616] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.044636] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.044660] kasan_report_invalid_free+0x10a/0x130 [ 13.044811] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.044841] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.044865] check_slab_allocation+0x11f/0x130 [ 13.044885] __kasan_slab_pre_free+0x28/0x40 [ 13.044913] kmem_cache_free+0xed/0x420 [ 13.044933] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.044952] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.044978] kmem_cache_invalid_free+0x1d8/0x460 [ 13.045000] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 13.045022] ? finish_task_switch.isra.0+0x153/0x700 [ 13.045044] ? __switch_to+0x47/0xf50 [ 13.045072] ? __pfx_read_tsc+0x10/0x10 [ 13.045092] ? ktime_get_ts64+0x86/0x230 [ 13.045116] kunit_try_run_case+0x1a5/0x480 [ 13.045139] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.045160] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.045183] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.045205] ? __kthread_parkme+0x82/0x180 [ 13.045224] ? preempt_count_sub+0x50/0x80 [ 13.045245] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.045268] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.045290] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.045311] kthread+0x337/0x6f0 [ 13.045329] ? trace_preempt_on+0x20/0xc0 [ 13.045415] ? __pfx_kthread+0x10/0x10 [ 13.045436] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.045456] ? calculate_sigpending+0x7b/0xa0 [ 13.045480] ? __pfx_kthread+0x10/0x10 [ 13.045500] ret_from_fork+0x116/0x1d0 [ 13.045518] ? __pfx_kthread+0x10/0x10 [ 13.045537] ret_from_fork_asm+0x1a/0x30 [ 13.045567] </TASK> [ 13.045577] [ 13.060846] Allocated by task 228: [ 13.061231] kasan_save_stack+0x45/0x70 [ 13.061704] kasan_save_track+0x18/0x40 [ 13.061848] kasan_save_alloc_info+0x3b/0x50 [ 13.062241] __kasan_slab_alloc+0x91/0xa0 [ 13.062733] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.063131] kmem_cache_invalid_free+0x157/0x460 [ 13.063293] kunit_try_run_case+0x1a5/0x480 [ 13.063620] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.064184] kthread+0x337/0x6f0 [ 13.064631] ret_from_fork+0x116/0x1d0 [ 13.065010] ret_from_fork_asm+0x1a/0x30 [ 13.065231] [ 13.065301] The buggy address belongs to the object at ffff888102ae3000 [ 13.065301] which belongs to the cache test_cache of size 200 [ 13.066315] The buggy address is located 1 bytes inside of [ 13.066315] 200-byte region [ffff888102ae3000, ffff888102ae30c8) [ 13.066885] [ 13.066970] The buggy address belongs to the physical page: [ 13.067152] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ae3 [ 13.067456] flags: 0x200000000000000(node=0|zone=2) [ 13.067630] page_type: f5(slab) [ 13.067804] raw: 0200000000000000 ffff8881015ac640 dead000000000122 0000000000000000 [ 13.068059] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.068286] page dumped because: kasan: bad access detected [ 13.068677] [ 13.068831] Memory state around the buggy address: [ 13.069251] ffff888102ae2f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.070072] ffff888102ae2f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.070698] >ffff888102ae3000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.070925] ^ [ 13.071043] ffff888102ae3080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.071262] ffff888102ae3100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.071503] ==================================================================