Date
July 3, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.530899] ================================================================== [ 20.531357] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 20.532182] Free of addr fff00000c6368001 by task kunit_try_catch/211 [ 20.532309] [ 20.532402] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.532610] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.532676] Hardware name: linux,dummy-virt (DT) [ 20.532759] Call trace: [ 20.532819] show_stack+0x20/0x38 (C) [ 20.532947] dump_stack_lvl+0x8c/0xd0 [ 20.534050] print_report+0x118/0x608 [ 20.534363] kasan_report_invalid_free+0xc0/0xe8 [ 20.534754] check_slab_allocation+0xfc/0x108 [ 20.534936] __kasan_slab_pre_free+0x2c/0x48 [ 20.535423] kmem_cache_free+0xf0/0x468 [ 20.535545] kmem_cache_invalid_free+0x184/0x3c8 [ 20.535646] kunit_try_run_case+0x170/0x3f0 [ 20.535763] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.536423] kthread+0x328/0x630 [ 20.536768] ret_from_fork+0x10/0x20 [ 20.537217] [ 20.537263] Allocated by task 211: [ 20.537412] kasan_save_stack+0x3c/0x68 [ 20.537503] kasan_save_track+0x20/0x40 [ 20.537640] kasan_save_alloc_info+0x40/0x58 [ 20.537960] __kasan_slab_alloc+0xa8/0xb0 [ 20.538380] kmem_cache_alloc_noprof+0x10c/0x398 [ 20.538767] kmem_cache_invalid_free+0x12c/0x3c8 [ 20.538876] kunit_try_run_case+0x170/0x3f0 [ 20.538970] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.539081] kthread+0x328/0x630 [ 20.539157] ret_from_fork+0x10/0x20 [ 20.539234] [ 20.539276] The buggy address belongs to the object at fff00000c6368000 [ 20.539276] which belongs to the cache test_cache of size 200 [ 20.539414] The buggy address is located 1 bytes inside of [ 20.539414] 200-byte region [fff00000c6368000, fff00000c63680c8) [ 20.539546] [ 20.539593] The buggy address belongs to the physical page: [ 20.539662] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106368 [ 20.539841] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.539956] page_type: f5(slab) [ 20.541178] raw: 0bfffe0000000000 fff00000c6de6280 dead000000000122 0000000000000000 [ 20.541519] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 20.541809] page dumped because: kasan: bad access detected [ 20.541951] [ 20.541993] Memory state around the buggy address: [ 20.542103] fff00000c6367f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.542194] fff00000c6367f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.542466] >fff00000c6368000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.543146] ^ [ 20.543291] fff00000c6368080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 20.543395] fff00000c6368100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.543873] ==================================================================
[ 12.263904] ================================================================== [ 12.264659] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 12.266163] Free of addr ffff8881039be001 by task kunit_try_catch/228 [ 12.266486] [ 12.266588] CPU: 1 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 12.266630] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.266641] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.266661] Call Trace: [ 12.266673] <TASK> [ 12.266688] dump_stack_lvl+0x73/0xb0 [ 12.266718] print_report+0xd1/0x650 [ 12.266740] ? __virt_addr_valid+0x1db/0x2d0 [ 12.266765] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.266785] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.266809] kasan_report_invalid_free+0x10a/0x130 [ 12.266832] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.266857] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.266879] check_slab_allocation+0x11f/0x130 [ 12.266900] __kasan_slab_pre_free+0x28/0x40 [ 12.266920] kmem_cache_free+0xed/0x420 [ 12.266939] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.266959] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.266984] kmem_cache_invalid_free+0x1d8/0x460 [ 12.267008] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 12.267030] ? finish_task_switch.isra.0+0x153/0x700 [ 12.267053] ? __switch_to+0x47/0xf50 [ 12.267090] ? __pfx_read_tsc+0x10/0x10 [ 12.267111] ? ktime_get_ts64+0x86/0x230 [ 12.267147] kunit_try_run_case+0x1a5/0x480 [ 12.267171] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.267191] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.267214] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.267235] ? __kthread_parkme+0x82/0x180 [ 12.267255] ? preempt_count_sub+0x50/0x80 [ 12.267276] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.267298] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.267319] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.267340] kthread+0x337/0x6f0 [ 12.267358] ? trace_preempt_on+0x20/0xc0 [ 12.267381] ? __pfx_kthread+0x10/0x10 [ 12.267400] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.267420] ? calculate_sigpending+0x7b/0xa0 [ 12.267443] ? __pfx_kthread+0x10/0x10 [ 12.267463] ret_from_fork+0x116/0x1d0 [ 12.267480] ? __pfx_kthread+0x10/0x10 [ 12.267499] ret_from_fork_asm+0x1a/0x30 [ 12.267529] </TASK> [ 12.267539] [ 12.276008] Allocated by task 228: [ 12.276151] kasan_save_stack+0x45/0x70 [ 12.276479] kasan_save_track+0x18/0x40 [ 12.276676] kasan_save_alloc_info+0x3b/0x50 [ 12.276844] __kasan_slab_alloc+0x91/0xa0 [ 12.277045] kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.277279] kmem_cache_invalid_free+0x157/0x460 [ 12.277525] kunit_try_run_case+0x1a5/0x480 [ 12.277693] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.277937] kthread+0x337/0x6f0 [ 12.278058] ret_from_fork+0x116/0x1d0 [ 12.278307] ret_from_fork_asm+0x1a/0x30 [ 12.278637] [ 12.278735] The buggy address belongs to the object at ffff8881039be000 [ 12.278735] which belongs to the cache test_cache of size 200 [ 12.279275] The buggy address is located 1 bytes inside of [ 12.279275] 200-byte region [ffff8881039be000, ffff8881039be0c8) [ 12.279725] [ 12.279813] The buggy address belongs to the physical page: [ 12.280054] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039be [ 12.280621] flags: 0x200000000000000(node=0|zone=2) [ 12.280851] page_type: f5(slab) [ 12.281007] raw: 0200000000000000 ffff8881019c6500 dead000000000122 0000000000000000 [ 12.281356] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 12.281680] page dumped because: kasan: bad access detected [ 12.281852] [ 12.281922] Memory state around the buggy address: [ 12.282077] ffff8881039bdf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.282349] ffff8881039bdf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.282674] >ffff8881039be000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.282987] ^ [ 12.283104] ffff8881039be080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 12.283327] ffff8881039be100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.283540] ==================================================================