Date
June 18, 2025, 6:43 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.890959] ================================================================== [ 21.891117] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 21.891208] Free of addr fff00000c7784001 by task kunit_try_catch/221 [ 21.891255] [ 21.891421] CPU: 0 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc2-next-20250618 #1 PREEMPT [ 21.891556] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 21.891658] Hardware name: linux,dummy-virt (DT) [ 21.891734] Call trace: [ 21.891766] show_stack+0x20/0x38 (C) [ 21.891830] dump_stack_lvl+0x8c/0xd0 [ 21.891888] print_report+0x118/0x608 [ 21.891945] kasan_report_invalid_free+0xc0/0xe8 [ 21.892011] check_slab_allocation+0xfc/0x108 [ 21.892086] __kasan_slab_pre_free+0x2c/0x48 [ 21.892142] kmem_cache_free+0xf0/0x468 [ 21.892196] kmem_cache_invalid_free+0x184/0x3c8 [ 21.892251] kunit_try_run_case+0x170/0x3f0 [ 21.892345] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.892460] kthread+0x328/0x630 [ 21.892576] ret_from_fork+0x10/0x20 [ 21.892643] [ 21.892666] Allocated by task 221: [ 21.892747] kasan_save_stack+0x3c/0x68 [ 21.892837] kasan_save_track+0x20/0x40 [ 21.892878] kasan_save_alloc_info+0x40/0x58 [ 21.892921] __kasan_slab_alloc+0xa8/0xb0 [ 21.892961] kmem_cache_alloc_noprof+0x10c/0x398 [ 21.893002] kmem_cache_invalid_free+0x12c/0x3c8 [ 21.893077] kunit_try_run_case+0x170/0x3f0 [ 21.893163] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.893312] kthread+0x328/0x630 [ 21.893502] ret_from_fork+0x10/0x20 [ 21.893705] [ 21.893787] The buggy address belongs to the object at fff00000c7784000 [ 21.893787] which belongs to the cache test_cache of size 200 [ 21.894211] The buggy address is located 1 bytes inside of [ 21.894211] 200-byte region [fff00000c7784000, fff00000c77840c8) [ 21.894361] [ 21.894388] The buggy address belongs to the physical page: [ 21.894422] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107784 [ 21.894478] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.894532] page_type: f5(slab) [ 21.894577] raw: 0bfffe0000000000 fff00000c5beddc0 dead000000000122 0000000000000000 [ 21.894628] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 21.895524] page dumped because: kasan: bad access detected [ 21.895592] [ 21.895698] Memory state around the buggy address: [ 21.895900] fff00000c7783f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.895951] fff00000c7783f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.895995] >fff00000c7784000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.896046] ^ [ 21.896080] fff00000c7784080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 21.896124] fff00000c7784100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.896164] ==================================================================
[ 11.863723] ================================================================== [ 11.864175] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 11.864749] Free of addr ffff888102ca3001 by task kunit_try_catch/237 [ 11.865169] [ 11.865321] CPU: 1 UID: 0 PID: 237 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) [ 11.865370] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.865382] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.865403] Call Trace: [ 11.865415] <TASK> [ 11.865432] dump_stack_lvl+0x73/0xb0 [ 11.865464] print_report+0xd1/0x650 [ 11.865485] ? __virt_addr_valid+0x1db/0x2d0 [ 11.865508] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.865532] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.865556] kasan_report_invalid_free+0x10a/0x130 [ 11.865578] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.865602] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.865624] check_slab_allocation+0x11f/0x130 [ 11.865644] __kasan_slab_pre_free+0x28/0x40 [ 11.865663] kmem_cache_free+0xed/0x420 [ 11.865681] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.865699] ? kmem_cache_invalid_free+0x1d8/0x460 [ 11.865725] kmem_cache_invalid_free+0x1d8/0x460 [ 11.865747] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 11.865770] ? finish_task_switch.isra.0+0x153/0x700 [ 11.865791] ? __switch_to+0x47/0xf50 [ 11.865819] ? __pfx_read_tsc+0x10/0x10 [ 11.865839] ? ktime_get_ts64+0x86/0x230 [ 11.865864] kunit_try_run_case+0x1a5/0x480 [ 11.865888] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.865909] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.865931] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.865951] ? __kthread_parkme+0x82/0x180 [ 11.865970] ? preempt_count_sub+0x50/0x80 [ 11.865991] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.866013] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.866034] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.866055] kthread+0x337/0x6f0 [ 11.866073] ? trace_preempt_on+0x20/0xc0 [ 11.866096] ? __pfx_kthread+0x10/0x10 [ 11.866115] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.866134] ? calculate_sigpending+0x7b/0xa0 [ 11.866157] ? __pfx_kthread+0x10/0x10 [ 11.866177] ret_from_fork+0x116/0x1d0 [ 11.866194] ? __pfx_kthread+0x10/0x10 [ 11.866231] ret_from_fork_asm+0x1a/0x30 [ 11.866260] </TASK> [ 11.866271] [ 11.874551] Allocated by task 237: [ 11.874732] kasan_save_stack+0x45/0x70 [ 11.875273] kasan_save_track+0x18/0x40 [ 11.875403] kasan_save_alloc_info+0x3b/0x50 [ 11.875538] __kasan_slab_alloc+0x91/0xa0 [ 11.875665] kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.875955] kmem_cache_invalid_free+0x157/0x460 [ 11.876178] kunit_try_run_case+0x1a5/0x480 [ 11.876387] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.876878] kthread+0x337/0x6f0 [ 11.877069] ret_from_fork+0x116/0x1d0 [ 11.877455] ret_from_fork_asm+0x1a/0x30 [ 11.877616] [ 11.878033] The buggy address belongs to the object at ffff888102ca3000 [ 11.878033] which belongs to the cache test_cache of size 200 [ 11.879362] The buggy address is located 1 bytes inside of [ 11.879362] 200-byte region [ffff888102ca3000, ffff888102ca30c8) [ 11.879766] [ 11.879838] The buggy address belongs to the physical page: [ 11.880348] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ca3 [ 11.880981] flags: 0x200000000000000(node=0|zone=2) [ 11.881430] page_type: f5(slab) [ 11.881721] raw: 0200000000000000 ffff88810108eb40 dead000000000122 0000000000000000 [ 11.882328] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 11.882732] page dumped because: kasan: bad access detected [ 11.882961] [ 11.883042] Memory state around the buggy address: [ 11.883510] ffff888102ca2f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.883947] ffff888102ca2f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.884369] >ffff888102ca3000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.884955] ^ [ 11.885115] ffff888102ca3080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 11.885662] ffff888102ca3100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.885914] ==================================================================