Date
July 3, 2025, 3:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.332567] ================================================================== [ 16.332695] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 16.332757] Free of addr fff00000c78ad001 by task kunit_try_catch/214 [ 16.332798] [ 16.332830] CPU: 1 UID: 0 PID: 214 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT [ 16.333149] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.333228] Hardware name: linux,dummy-virt (DT) [ 16.333264] Call trace: [ 16.333300] show_stack+0x20/0x38 (C) [ 16.333352] dump_stack_lvl+0x8c/0xd0 [ 16.333403] print_report+0x118/0x608 [ 16.333446] kasan_report_invalid_free+0xc0/0xe8 [ 16.333513] check_slab_allocation+0xfc/0x108 [ 16.333559] __kasan_slab_pre_free+0x2c/0x48 [ 16.333605] kmem_cache_free+0xf0/0x468 [ 16.333770] kmem_cache_invalid_free+0x184/0x3c8 [ 16.333842] kunit_try_run_case+0x170/0x3f0 [ 16.333894] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.333958] kthread+0x328/0x630 [ 16.334033] ret_from_fork+0x10/0x20 [ 16.334120] [ 16.334207] Allocated by task 214: [ 16.334363] kasan_save_stack+0x3c/0x68 [ 16.334550] kasan_save_track+0x20/0x40 [ 16.334742] kasan_save_alloc_info+0x40/0x58 [ 16.334778] __kasan_slab_alloc+0xa8/0xb0 [ 16.334829] kmem_cache_alloc_noprof+0x10c/0x398 [ 16.334868] kmem_cache_invalid_free+0x12c/0x3c8 [ 16.335077] kunit_try_run_case+0x170/0x3f0 [ 16.335166] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.335211] kthread+0x328/0x630 [ 16.335499] ret_from_fork+0x10/0x20 [ 16.335585] [ 16.335643] The buggy address belongs to the object at fff00000c78ad000 [ 16.335643] which belongs to the cache test_cache of size 200 [ 16.335701] The buggy address is located 1 bytes inside of [ 16.335701] 200-byte region [fff00000c78ad000, fff00000c78ad0c8) [ 16.335844] [ 16.335982] The buggy address belongs to the physical page: [ 16.336070] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078ad [ 16.336125] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.336394] page_type: f5(slab) [ 16.336438] raw: 0bfffe0000000000 fff00000c78a7140 dead000000000122 0000000000000000 [ 16.336554] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 16.336665] page dumped because: kasan: bad access detected [ 16.336696] [ 16.336714] Memory state around the buggy address: [ 16.336756] fff00000c78acf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.336820] fff00000c78acf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.336863] >fff00000c78ad000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.336910] ^ [ 16.336943] fff00000c78ad080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 16.337024] fff00000c78ad100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.337082] ==================================================================
[ 11.888587] ================================================================== [ 11.889065] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 11.889632] Free of addr ffff88810314b001 by task kunit_try_catch/230 [ 11.889841] [ 11.890414] CPU: 0 UID: 0 PID: 230 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT(voluntary) [ 11.890469] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.890482] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.890505] Call Trace: [ 11.890518] <TASK> [ 11.890538] dump_stack_lvl+0x73/0xb0 [ 11.890569] print_report+0xd1/0x650 [ 11.890593] ? __virt_addr_valid+0x1db/0x2d0 [ 11.890617] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.890639] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.890662] kasan_report_invalid_free+0x10a/0x130 [ 11.890687] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.890710] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.890730] check_slab_allocation+0x11f/0x130 [ 11.890752] __kasan_slab_pre_free+0x28/0x40 [ 11.890773] kmem_cache_free+0xed/0x420 [ 11.890795] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.890815] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.890839] kmem_cache_invalid_free+0x1d8/0x460 [ 11.890859] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 11.890880] ? finish_task_switch.isra.0+0x153/0x700 [ 11.890904] ? __switch_to+0x5d9/0xf60 [ 11.890926] ? dequeue_task_fair+0x166/0x4e0 [ 11.890952] ? __pfx_read_tsc+0x10/0x10 [ 11.890972] ? ktime_get_ts64+0x86/0x230 [ 11.890997] kunit_try_run_case+0x1a5/0x480 [ 11.891023] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.891045] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.891070] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.891093] ? __kthread_parkme+0x82/0x180 [ 11.891115] ? preempt_count_sub+0x50/0x80 [ 11.891139] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.891162] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.891184] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.891206] kthread+0x337/0x6f0 [ 11.891222] ? trace_preempt_on+0x20/0xc0 [ 11.891259] ? __pfx_kthread+0x10/0x10 [ 11.891378] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.891407] ? calculate_sigpending+0x7b/0xa0 [ 11.891430] ? __pfx_kthread+0x10/0x10 [ 11.891449] ret_from_fork+0x41/0x80 [ 11.891470] ? __pfx_kthread+0x10/0x10 [ 11.891488] ret_from_fork_asm+0x1a/0x30 [ 11.891519] </TASK> [ 11.891530] [ 11.903842] Allocated by task 230: [ 11.904319] kasan_save_stack+0x45/0x70 [ 11.904535] kasan_save_track+0x18/0x40 [ 11.904908] kasan_save_alloc_info+0x3b/0x50 [ 11.905111] __kasan_slab_alloc+0x91/0xa0 [ 11.905457] kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.905891] kmem_cache_invalid_free+0x157/0x460 [ 11.906212] kunit_try_run_case+0x1a5/0x480 [ 11.906662] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.907027] kthread+0x337/0x6f0 [ 11.907203] ret_from_fork+0x41/0x80 [ 11.907402] ret_from_fork_asm+0x1a/0x30 [ 11.907862] [ 11.907958] The buggy address belongs to the object at ffff88810314b000 [ 11.907958] which belongs to the cache test_cache of size 200 [ 11.908852] The buggy address is located 1 bytes inside of [ 11.908852] 200-byte region [ffff88810314b000, ffff88810314b0c8) [ 11.909525] [ 11.909838] The buggy address belongs to the physical page: [ 11.910079] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10314b [ 11.910636] flags: 0x200000000000000(node=0|zone=2) [ 11.910936] page_type: f5(slab) [ 11.911225] raw: 0200000000000000 ffff88810111e280 dead000000000122 0000000000000000 [ 11.911880] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 11.912322] page dumped because: kasan: bad access detected [ 11.912732] [ 11.912909] Memory state around the buggy address: [ 11.913140] ffff88810314af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.913717] ffff88810314af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.914164] >ffff88810314b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.914637] ^ [ 11.914883] ffff88810314b080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 11.915350] ffff88810314b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.915927] ==================================================================