Date
July 18, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.056866] ================================================================== [ 16.057051] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 16.057579] Free of addr fff00000c3f2a001 by task kunit_try_catch/211 [ 16.057892] [ 16.057935] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 16.058021] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.058047] Hardware name: linux,dummy-virt (DT) [ 16.058269] Call trace: [ 16.058297] show_stack+0x20/0x38 (C) [ 16.058571] dump_stack_lvl+0x8c/0xd0 [ 16.058622] print_report+0x118/0x5d0 [ 16.058747] kasan_report_invalid_free+0xc0/0xe8 [ 16.058799] check_slab_allocation+0xfc/0x108 [ 16.058848] __kasan_slab_pre_free+0x2c/0x48 [ 16.058991] kmem_cache_free+0xf0/0x468 [ 16.059039] kmem_cache_invalid_free+0x184/0x3c8 [ 16.059090] kunit_try_run_case+0x170/0x3f0 [ 16.059138] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.059192] kthread+0x328/0x630 [ 16.059656] ret_from_fork+0x10/0x20 [ 16.059832] [ 16.059853] Allocated by task 211: [ 16.059885] kasan_save_stack+0x3c/0x68 [ 16.059954] kasan_save_track+0x20/0x40 [ 16.060013] kasan_save_alloc_info+0x40/0x58 [ 16.060126] __kasan_slab_alloc+0xa8/0xb0 [ 16.060165] kmem_cache_alloc_noprof+0x10c/0x398 [ 16.060211] kmem_cache_invalid_free+0x12c/0x3c8 [ 16.061091] kunit_try_run_case+0x170/0x3f0 [ 16.061572] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.061633] kthread+0x328/0x630 [ 16.061668] ret_from_fork+0x10/0x20 [ 16.061706] [ 16.061726] The buggy address belongs to the object at fff00000c3f2a000 [ 16.061726] which belongs to the cache test_cache of size 200 [ 16.061785] The buggy address is located 1 bytes inside of [ 16.061785] 200-byte region [fff00000c3f2a000, fff00000c3f2a0c8) [ 16.061845] [ 16.061867] The buggy address belongs to the physical page: [ 16.061901] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f2a [ 16.061955] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.062006] page_type: f5(slab) [ 16.062047] raw: 0bfffe0000000000 fff00000c3e97c80 dead000000000122 0000000000000000 [ 16.062098] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 16.062138] page dumped because: kasan: bad access detected [ 16.062167] [ 16.062187] Memory state around the buggy address: [ 16.062219] fff00000c3f29f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 16.062262] fff00000c3f29f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 16.062305] >fff00000c3f2a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.062364] ^ [ 16.062392] fff00000c3f2a080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 16.062434] fff00000c3f2a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.062473] ==================================================================
[ 12.900879] ================================================================== [ 12.901426] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 12.901791] Free of addr ffff8881030f3001 by task kunit_try_catch/230 [ 12.902230] [ 12.902362] CPU: 1 UID: 0 PID: 230 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.902406] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.902464] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.902485] Call Trace: [ 12.902497] <TASK> [ 12.902523] dump_stack_lvl+0x73/0xb0 [ 12.902555] print_report+0xd1/0x610 [ 12.902577] ? __virt_addr_valid+0x1db/0x2d0 [ 12.902601] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.902652] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.902679] kasan_report_invalid_free+0x10a/0x130 [ 12.902716] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.902743] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.902767] check_slab_allocation+0x11f/0x130 [ 12.902788] __kasan_slab_pre_free+0x28/0x40 [ 12.902835] kmem_cache_free+0xed/0x420 [ 12.902855] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.902875] ? kmem_cache_invalid_free+0x1d8/0x460 [ 12.902912] kmem_cache_invalid_free+0x1d8/0x460 [ 12.902937] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 12.902961] ? finish_task_switch.isra.0+0x153/0x700 [ 12.902983] ? __switch_to+0x47/0xf50 [ 12.903028] ? __pfx_read_tsc+0x10/0x10 [ 12.903048] ? ktime_get_ts64+0x86/0x230 [ 12.903071] kunit_try_run_case+0x1a5/0x480 [ 12.903113] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.903134] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.903171] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.903193] ? __kthread_parkme+0x82/0x180 [ 12.903225] ? preempt_count_sub+0x50/0x80 [ 12.903248] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.903278] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.903311] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.903346] kthread+0x337/0x6f0 [ 12.903365] ? trace_preempt_on+0x20/0xc0 [ 12.903387] ? __pfx_kthread+0x10/0x10 [ 12.903406] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.903438] ? calculate_sigpending+0x7b/0xa0 [ 12.903478] ? __pfx_kthread+0x10/0x10 [ 12.903498] ret_from_fork+0x116/0x1d0 [ 12.903516] ? __pfx_kthread+0x10/0x10 [ 12.903535] ret_from_fork_asm+0x1a/0x30 [ 12.903566] </TASK> [ 12.903575] [ 12.912522] Allocated by task 230: [ 12.912743] kasan_save_stack+0x45/0x70 [ 12.912970] kasan_save_track+0x18/0x40 [ 12.913343] kasan_save_alloc_info+0x3b/0x50 [ 12.913585] __kasan_slab_alloc+0x91/0xa0 [ 12.913796] kmem_cache_alloc_noprof+0x123/0x3f0 [ 12.914135] kmem_cache_invalid_free+0x157/0x460 [ 12.914396] kunit_try_run_case+0x1a5/0x480 [ 12.914657] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.914913] kthread+0x337/0x6f0 [ 12.915186] ret_from_fork+0x116/0x1d0 [ 12.915385] ret_from_fork_asm+0x1a/0x30 [ 12.915600] [ 12.915694] The buggy address belongs to the object at ffff8881030f3000 [ 12.915694] which belongs to the cache test_cache of size 200 [ 12.916337] The buggy address is located 1 bytes inside of [ 12.916337] 200-byte region [ffff8881030f3000, ffff8881030f30c8) [ 12.916776] [ 12.916900] The buggy address belongs to the physical page: [ 12.917317] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1030f3 [ 12.917707] flags: 0x200000000000000(node=0|zone=2) [ 12.917948] page_type: f5(slab) [ 12.918212] raw: 0200000000000000 ffff888101093a00 dead000000000122 0000000000000000 [ 12.918651] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 12.919055] page dumped because: kasan: bad access detected [ 12.919381] [ 12.919510] Memory state around the buggy address: [ 12.919740] ffff8881030f2f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.920148] ffff8881030f2f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.920421] >ffff8881030f3000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.920764] ^ [ 12.920939] ffff8881030f3080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 12.921398] ffff8881030f3100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.921716] ==================================================================