Date
May 29, 2025, 7:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.894426] ================================================================== [ 22.895554] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 22.895740] Free of addr fff00000c725d001 by task kunit_try_catch/211 [ 22.895843] [ 22.895954] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT [ 22.896487] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.896663] Hardware name: linux,dummy-virt (DT) [ 22.896849] Call trace: [ 22.896945] show_stack+0x20/0x38 (C) [ 22.897440] dump_stack_lvl+0x8c/0xd0 [ 22.897842] print_report+0x118/0x608 [ 22.898333] kasan_report_invalid_free+0xc0/0xe8 [ 22.898729] check_slab_allocation+0xfc/0x108 [ 22.898844] __kasan_slab_pre_free+0x2c/0x48 [ 22.898950] kmem_cache_free+0xf0/0x470 [ 22.899966] kmem_cache_invalid_free+0x184/0x3c8 [ 22.900368] kunit_try_run_case+0x170/0x3f0 [ 22.900975] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.901169] kthread+0x328/0x630 [ 22.901728] ret_from_fork+0x10/0x20 [ 22.902623] [ 22.902711] Allocated by task 211: [ 22.902784] kasan_save_stack+0x3c/0x68 [ 22.903582] kasan_save_track+0x20/0x40 [ 22.904220] kasan_save_alloc_info+0x40/0x58 [ 22.904541] __kasan_slab_alloc+0xa8/0xb0 [ 22.905004] kmem_cache_alloc_noprof+0x10c/0x3a0 [ 22.905125] kmem_cache_invalid_free+0x12c/0x3c8 [ 22.905228] kunit_try_run_case+0x170/0x3f0 [ 22.905325] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.905447] kthread+0x328/0x630 [ 22.905534] ret_from_fork+0x10/0x20 [ 22.905629] [ 22.905682] The buggy address belongs to the object at fff00000c725d000 [ 22.905682] which belongs to the cache test_cache of size 200 [ 22.905830] The buggy address is located 1 bytes inside of [ 22.905830] 200-byte region [fff00000c725d000, fff00000c725d0c8) [ 22.907480] [ 22.907923] The buggy address belongs to the physical page: [ 22.908153] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10725d [ 22.908692] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.909342] page_type: f5(slab) [ 22.910027] raw: 0bfffe0000000000 fff00000c787b140 dead000000000122 0000000000000000 [ 22.910253] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 22.910572] page dumped because: kasan: bad access detected [ 22.910965] [ 22.911005] Memory state around the buggy address: [ 22.911085] fff00000c725cf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.911180] fff00000c725cf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.911259] >fff00000c725d000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.911329] ^ [ 22.911392] fff00000c725d080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 22.911862] fff00000c725d100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.912081] ==================================================================
[ 11.576581] ================================================================== [ 11.577410] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 11.578093] Free of addr ffff888102fa0001 by task kunit_try_catch/228 [ 11.578865] [ 11.579163] CPU: 0 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT(voluntary) [ 11.579215] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.579228] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.579259] Call Trace: [ 11.579271] <TASK> [ 11.579288] dump_stack_lvl+0x73/0xb0 [ 11.579316] print_report+0xd1/0x650 [ 11.579339] ? __virt_addr_valid+0x1db/0x2d0 [ 11.579363] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.579384] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.579406] kasan_report_invalid_free+0x10a/0x130 [ 11.579430] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.579453] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.579473] check_slab_allocation+0x11f/0x130 [ 11.579495] __kasan_slab_pre_free+0x28/0x40 [ 11.579516] kmem_cache_free+0xed/0x420 [ 11.579537] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.579558] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.579582] kmem_cache_invalid_free+0x1d8/0x460 [ 11.579602] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 11.579637] ? finish_task_switch.isra.0+0x153/0x700 [ 11.579659] ? __switch_to+0x47/0xf50 [ 11.579687] ? __pfx_read_tsc+0x10/0x10 [ 11.579709] ? ktime_get_ts64+0x86/0x230 [ 11.579733] kunit_try_run_case+0x1a5/0x480 [ 11.579783] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.579803] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.579870] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.579894] ? __kthread_parkme+0x82/0x180 [ 11.579915] ? preempt_count_sub+0x50/0x80 [ 11.579938] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.580099] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.580185] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.580211] kthread+0x337/0x6f0 [ 11.580230] ? trace_preempt_on+0x20/0xc0 [ 11.580255] ? __pfx_kthread+0x10/0x10 [ 11.580275] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.580297] ? calculate_sigpending+0x7b/0xa0 [ 11.580321] ? __pfx_kthread+0x10/0x10 [ 11.580343] ret_from_fork+0x116/0x1d0 [ 11.580361] ? __pfx_kthread+0x10/0x10 [ 11.580381] ret_from_fork_asm+0x1a/0x30 [ 11.580412] </TASK> [ 11.580422] [ 11.594162] Allocated by task 228: [ 11.594350] kasan_save_stack+0x45/0x70 [ 11.594563] kasan_save_track+0x18/0x40 [ 11.594852] kasan_save_alloc_info+0x3b/0x50 [ 11.595097] __kasan_slab_alloc+0x91/0xa0 [ 11.595242] kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.595471] kmem_cache_invalid_free+0x157/0x460 [ 11.595772] kunit_try_run_case+0x1a5/0x480 [ 11.596146] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.596395] kthread+0x337/0x6f0 [ 11.596562] ret_from_fork+0x116/0x1d0 [ 11.596808] ret_from_fork_asm+0x1a/0x30 [ 11.597244] [ 11.597372] The buggy address belongs to the object at ffff888102fa0000 [ 11.597372] which belongs to the cache test_cache of size 200 [ 11.598056] The buggy address is located 1 bytes inside of [ 11.598056] 200-byte region [ffff888102fa0000, ffff888102fa00c8) [ 11.598618] [ 11.598761] The buggy address belongs to the physical page: [ 11.599147] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102fa0 [ 11.599564] flags: 0x200000000000000(node=0|zone=2) [ 11.599963] page_type: f5(slab) [ 11.600125] raw: 0200000000000000 ffff8881011daa00 dead000000000122 0000000000000000 [ 11.600536] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 11.600920] page dumped because: kasan: bad access detected [ 11.601229] [ 11.601571] Memory state around the buggy address: [ 11.601958] ffff888102f9ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.602247] ffff888102f9ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.602597] >ffff888102fa0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.602959] ^ [ 11.603126] ffff888102fa0080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 11.603481] ffff888102fa0100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.603847] ==================================================================