Date
July 12, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.386194] ================================================================== [ 17.386362] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 17.386557] Free of addr fff00000c78b0001 by task kunit_try_catch/211 [ 17.386635] [ 17.386672] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 17.386772] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.386835] Hardware name: linux,dummy-virt (DT) [ 17.386894] Call trace: [ 17.386933] show_stack+0x20/0x38 (C) [ 17.387004] dump_stack_lvl+0x8c/0xd0 [ 17.387064] print_report+0x118/0x5d0 [ 17.387130] kasan_report_invalid_free+0xc0/0xe8 [ 17.387229] check_slab_allocation+0xfc/0x108 [ 17.387291] __kasan_slab_pre_free+0x2c/0x48 [ 17.387403] kmem_cache_free+0xf0/0x468 [ 17.387452] kmem_cache_invalid_free+0x184/0x3c8 [ 17.387678] kunit_try_run_case+0x170/0x3f0 [ 17.387913] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.388055] kthread+0x328/0x630 [ 17.388197] ret_from_fork+0x10/0x20 [ 17.388303] [ 17.388396] Allocated by task 211: [ 17.388474] kasan_save_stack+0x3c/0x68 [ 17.388544] kasan_save_track+0x20/0x40 [ 17.388639] kasan_save_alloc_info+0x40/0x58 [ 17.388709] __kasan_slab_alloc+0xa8/0xb0 [ 17.388822] kmem_cache_alloc_noprof+0x10c/0x398 [ 17.388951] kmem_cache_invalid_free+0x12c/0x3c8 [ 17.388992] kunit_try_run_case+0x170/0x3f0 [ 17.389316] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.389469] kthread+0x328/0x630 [ 17.389583] ret_from_fork+0x10/0x20 [ 17.389676] [ 17.389792] The buggy address belongs to the object at fff00000c78b0000 [ 17.389792] which belongs to the cache test_cache of size 200 [ 17.389898] The buggy address is located 1 bytes inside of [ 17.389898] 200-byte region [fff00000c78b0000, fff00000c78b00c8) [ 17.390197] [ 17.390257] The buggy address belongs to the physical page: [ 17.390291] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078b0 [ 17.390353] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.390404] page_type: f5(slab) [ 17.390487] raw: 0bfffe0000000000 fff00000c4715b40 dead000000000122 0000000000000000 [ 17.390582] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 17.390625] page dumped because: kasan: bad access detected [ 17.390666] [ 17.390685] Memory state around the buggy address: [ 17.390753] fff00000c78aff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.390800] fff00000c78aff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.390844] >fff00000c78b0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.390937] ^ [ 17.391072] fff00000c78b0080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 17.391194] fff00000c78b0100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.391233] ==================================================================
[ 13.725247] ================================================================== [ 13.725706] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 13.726050] Free of addr ffff888102a03001 by task kunit_try_catch/228 [ 13.726951] [ 13.727070] CPU: 1 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.727113] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.727124] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.727144] Call Trace: [ 13.727155] <TASK> [ 13.727171] dump_stack_lvl+0x73/0xb0 [ 13.727203] print_report+0xd1/0x610 [ 13.727225] ? __virt_addr_valid+0x1db/0x2d0 [ 13.727250] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.727286] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.727312] kasan_report_invalid_free+0x10a/0x130 [ 13.727337] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.727364] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.727388] check_slab_allocation+0x11f/0x130 [ 13.727410] __kasan_slab_pre_free+0x28/0x40 [ 13.727431] kmem_cache_free+0xed/0x420 [ 13.727450] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.727471] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.727499] kmem_cache_invalid_free+0x1d8/0x460 [ 13.727523] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 13.727548] ? finish_task_switch.isra.0+0x153/0x700 [ 13.727572] ? __switch_to+0x47/0xf50 [ 13.727600] ? __pfx_read_tsc+0x10/0x10 [ 13.727690] ? ktime_get_ts64+0x86/0x230 [ 13.727718] kunit_try_run_case+0x1a5/0x480 [ 13.727743] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.727766] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.727791] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.727814] ? __kthread_parkme+0x82/0x180 [ 13.727834] ? preempt_count_sub+0x50/0x80 [ 13.727857] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.727881] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.727905] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.727930] kthread+0x337/0x6f0 [ 13.727949] ? trace_preempt_on+0x20/0xc0 [ 13.727973] ? __pfx_kthread+0x10/0x10 [ 13.727994] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.728015] ? calculate_sigpending+0x7b/0xa0 [ 13.728040] ? __pfx_kthread+0x10/0x10 [ 13.728060] ret_from_fork+0x116/0x1d0 [ 13.728079] ? __pfx_kthread+0x10/0x10 [ 13.728099] ret_from_fork_asm+0x1a/0x30 [ 13.728129] </TASK> [ 13.728140] [ 13.736842] Allocated by task 228: [ 13.737009] kasan_save_stack+0x45/0x70 [ 13.737201] kasan_save_track+0x18/0x40 [ 13.738084] kasan_save_alloc_info+0x3b/0x50 [ 13.738314] __kasan_slab_alloc+0x91/0xa0 [ 13.738677] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.739152] kmem_cache_invalid_free+0x157/0x460 [ 13.739679] kunit_try_run_case+0x1a5/0x480 [ 13.739881] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.740442] kthread+0x337/0x6f0 [ 13.740657] ret_from_fork+0x116/0x1d0 [ 13.740963] ret_from_fork_asm+0x1a/0x30 [ 13.741369] [ 13.741649] The buggy address belongs to the object at ffff888102a03000 [ 13.741649] which belongs to the cache test_cache of size 200 [ 13.742415] The buggy address is located 1 bytes inside of [ 13.742415] 200-byte region [ffff888102a03000, ffff888102a030c8) [ 13.742874] [ 13.742966] The buggy address belongs to the physical page: [ 13.743581] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a03 [ 13.744402] flags: 0x200000000000000(node=0|zone=2) [ 13.744779] page_type: f5(slab) [ 13.744944] raw: 0200000000000000 ffff888101cdda00 dead000000000122 0000000000000000 [ 13.745653] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.746337] page dumped because: kasan: bad access detected [ 13.746566] [ 13.746651] Memory state around the buggy address: [ 13.746865] ffff888102a02f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.747499] ffff888102a02f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.747799] >ffff888102a03000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.748316] ^ [ 13.748494] ffff888102a03080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.748780] ffff888102a03100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.749579] ==================================================================