Date
May 15, 2025, 10:38 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.808371] ================================================================== [ 18.808437] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 18.808957] Free of addr fff00000c6890001 by task kunit_try_catch/211 [ 18.809016] [ 18.809055] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT [ 18.810322] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.810392] Hardware name: linux,dummy-virt (DT) [ 18.810473] Call trace: [ 18.810499] show_stack+0x20/0x38 (C) [ 18.810553] dump_stack_lvl+0x8c/0xd0 [ 18.811143] print_report+0x118/0x608 [ 18.811332] kasan_report_invalid_free+0xc0/0xe8 [ 18.811384] check_slab_allocation+0xfc/0x108 [ 18.811459] __kasan_slab_pre_free+0x2c/0x48 [ 18.811508] kmem_cache_free+0xf0/0x470 [ 18.811557] kmem_cache_invalid_free+0x184/0x3c8 [ 18.812185] kunit_try_run_case+0x170/0x3f0 [ 18.812499] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.812678] kthread+0x328/0x630 [ 18.812794] ret_from_fork+0x10/0x20 [ 18.813108] [ 18.813133] Allocated by task 211: [ 18.813177] kasan_save_stack+0x3c/0x68 [ 18.813220] kasan_save_track+0x20/0x40 [ 18.813257] kasan_save_alloc_info+0x40/0x58 [ 18.813536] __kasan_slab_alloc+0xa8/0xb0 [ 18.813587] kmem_cache_alloc_noprof+0x10c/0x3a0 [ 18.813662] kmem_cache_invalid_free+0x12c/0x3c8 [ 18.813869] kunit_try_run_case+0x170/0x3f0 [ 18.814199] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.814243] kthread+0x328/0x630 [ 18.814279] ret_from_fork+0x10/0x20 [ 18.814322] [ 18.814342] The buggy address belongs to the object at fff00000c6890000 [ 18.814342] which belongs to the cache test_cache of size 200 [ 18.814399] The buggy address is located 1 bytes inside of [ 18.814399] 200-byte region [fff00000c6890000, fff00000c68900c8) [ 18.814944] [ 18.815115] The buggy address belongs to the physical page: [ 18.815151] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106890 [ 18.815279] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.815333] page_type: f5(slab) [ 18.815375] raw: 0bfffe0000000000 fff00000c1736280 dead000000000122 0000000000000000 [ 18.815961] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 18.816446] page dumped because: kasan: bad access detected [ 18.816697] [ 18.816718] Memory state around the buggy address: [ 18.816988] fff00000c688ff00: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 18.817239] fff00000c688ff80: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc [ 18.817295] >fff00000c6890000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.817335] ^ [ 18.817362] fff00000c6890080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 18.817414] fff00000c6890100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.817451] ==================================================================
[ 14.891230] ================================================================== [ 14.891765] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 14.892031] Free of addr ffff888102b5f001 by task kunit_try_catch/229 [ 14.892254] [ 14.892852] CPU: 0 UID: 0 PID: 229 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT(voluntary) [ 14.892982] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.893028] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.893076] Call Trace: [ 14.893123] <TASK> [ 14.893164] dump_stack_lvl+0x73/0xb0 [ 14.893247] print_report+0xd1/0x650 [ 14.893300] ? __virt_addr_valid+0x1db/0x2d0 [ 14.893353] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.893393] ? kmem_cache_invalid_free+0x1d8/0x460 [ 14.893434] kasan_report_invalid_free+0x10a/0x130 [ 14.893494] ? kmem_cache_invalid_free+0x1d8/0x460 [ 14.893541] ? kmem_cache_invalid_free+0x1d8/0x460 [ 14.893586] check_slab_allocation+0x11f/0x130 [ 14.893627] __kasan_slab_pre_free+0x28/0x40 [ 14.893670] kmem_cache_free+0xed/0x420 [ 14.893718] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 14.893793] ? kmem_cache_invalid_free+0x1d8/0x460 [ 14.893856] kmem_cache_invalid_free+0x1d8/0x460 [ 14.893901] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 14.893943] ? finish_task_switch.isra.0+0x153/0x700 [ 14.893996] ? __switch_to+0x47/0xf50 [ 14.894062] ? __pfx_read_tsc+0x10/0x10 [ 14.894109] ? ktime_get_ts64+0x86/0x230 [ 14.894154] kunit_try_run_case+0x1a5/0x480 [ 14.894197] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.894242] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.894302] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.894328] ? __kthread_parkme+0x82/0x180 [ 14.894364] ? preempt_count_sub+0x50/0x80 [ 14.894390] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.894416] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.894443] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.894474] kthread+0x337/0x6f0 [ 14.894522] ? trace_preempt_on+0x20/0xc0 [ 14.894587] ? __pfx_kthread+0x10/0x10 [ 14.894609] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.894631] ? calculate_sigpending+0x7b/0xa0 [ 14.894657] ? __pfx_kthread+0x10/0x10 [ 14.894679] ret_from_fork+0x116/0x1d0 [ 14.894698] ? __pfx_kthread+0x10/0x10 [ 14.894719] ret_from_fork_asm+0x1a/0x30 [ 14.894754] </TASK> [ 14.894767] [ 14.906180] Allocated by task 229: [ 14.906391] kasan_save_stack+0x45/0x70 [ 14.907013] kasan_save_track+0x18/0x40 [ 14.907380] kasan_save_alloc_info+0x3b/0x50 [ 14.907835] __kasan_slab_alloc+0x91/0xa0 [ 14.908165] kmem_cache_alloc_noprof+0x123/0x3f0 [ 14.908585] kmem_cache_invalid_free+0x157/0x460 [ 14.908959] kunit_try_run_case+0x1a5/0x480 [ 14.909298] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.909813] kthread+0x337/0x6f0 [ 14.910012] ret_from_fork+0x116/0x1d0 [ 14.910321] ret_from_fork_asm+0x1a/0x30 [ 14.910696] [ 14.910811] The buggy address belongs to the object at ffff888102b5f000 [ 14.910811] which belongs to the cache test_cache of size 200 [ 14.911689] The buggy address is located 1 bytes inside of [ 14.911689] 200-byte region [ffff888102b5f000, ffff888102b5f0c8) [ 14.912386] [ 14.912639] The buggy address belongs to the physical page: [ 14.913037] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b5f [ 14.913713] flags: 0x200000000000000(node=0|zone=2) [ 14.914096] page_type: f5(slab) [ 14.914314] raw: 0200000000000000 ffff8881009b38c0 dead000000000122 0000000000000000 [ 14.914906] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 14.915445] page dumped because: kasan: bad access detected [ 14.915851] [ 14.916009] Memory state around the buggy address: [ 14.916319] ffff888102b5ef00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.916985] ffff888102b5ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.917335] >ffff888102b5f000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.917888] ^ [ 14.918157] ffff888102b5f080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 14.918534] ffff888102b5f100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.918995] ==================================================================