Date
June 2, 2025, 2:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.805756] ================================================================== [ 20.806549] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x190/0x3d8 [ 20.806935] Free of addr fff00000c6cf6001 by task kunit_try_catch/198 [ 20.807604] [ 20.807826] CPU: 0 UID: 0 PID: 198 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 20.807947] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.807983] Hardware name: linux,dummy-virt (DT) [ 20.808025] Call trace: [ 20.808055] dump_backtrace+0x9c/0x128 [ 20.808122] show_stack+0x20/0x38 [ 20.808165] dump_stack_lvl+0x8c/0xd0 [ 20.808218] print_report+0x118/0x5f0 [ 20.808278] kasan_report_invalid_free+0xc0/0xe8 [ 20.808327] check_slab_allocation+0xfc/0x108 [ 20.808372] __kasan_slab_pre_free+0x2c/0x48 [ 20.808417] kmem_cache_free+0xf0/0x460 [ 20.808462] kmem_cache_invalid_free+0x190/0x3d8 [ 20.808512] kunit_try_run_case+0x170/0x3f0 [ 20.808560] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.808612] kthread+0x24c/0x2d0 [ 20.808657] ret_from_fork+0x10/0x20 [ 20.808707] [ 20.813111] Allocated by task 198: [ 20.813691] kasan_save_stack+0x3c/0x68 [ 20.814113] kasan_save_track+0x20/0x40 [ 20.814322] kasan_save_alloc_info+0x40/0x58 [ 20.814700] __kasan_slab_alloc+0xa8/0xb0 [ 20.814926] kmem_cache_alloc_noprof+0xf8/0x300 [ 20.815233] kmem_cache_invalid_free+0x130/0x3d8 [ 20.815608] kunit_try_run_case+0x170/0x3f0 [ 20.815883] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.816290] kthread+0x24c/0x2d0 [ 20.816517] ret_from_fork+0x10/0x20 [ 20.816758] [ 20.816959] The buggy address belongs to the object at fff00000c6cf6000 [ 20.816959] which belongs to the cache test_cache of size 200 [ 20.817517] The buggy address is located 1 bytes inside of [ 20.817517] 200-byte region [fff00000c6cf6000, fff00000c6cf60c8) [ 20.818471] [ 20.818707] The buggy address belongs to the physical page: [ 20.819086] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106cf6 [ 20.819741] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.820010] page_type: f5(slab) [ 20.820262] raw: 0bfffe0000000000 fff00000c5a6fa00 dead000000000122 0000000000000000 [ 20.820769] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 20.821214] page dumped because: kasan: bad access detected [ 20.821649] [ 20.821778] Memory state around the buggy address: [ 20.822085] fff00000c6cf5f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.822547] fff00000c6cf5f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.822978] >fff00000c6cf6000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.823583] ^ [ 20.823782] fff00000c6cf6080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 20.824206] fff00000c6cf6100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.824524] ==================================================================
[ 12.821531] ================================================================== [ 12.821990] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d9/0x470 [ 12.822395] Free of addr ffff888102982001 by task kunit_try_catch/216 [ 12.822585] [ 12.822708] CPU: 1 UID: 0 PID: 216 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 12.822785] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.822806] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.823288] Call Trace: [ 12.823335] <TASK> [ 12.823376] dump_stack_lvl+0x73/0xb0 [ 12.823434] print_report+0xd1/0x640 [ 12.823458] ? __virt_addr_valid+0x1db/0x2d0 [ 12.823484] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.823504] ? kmem_cache_invalid_free+0x1d9/0x470 [ 12.823525] kasan_report_invalid_free+0xfc/0x120 [ 12.823547] ? kmem_cache_invalid_free+0x1d9/0x470 [ 12.823567] ? kmem_cache_invalid_free+0x1d9/0x470 [ 12.823586] check_slab_allocation+0x11f/0x130 [ 12.823606] __kasan_slab_pre_free+0x28/0x40 [ 12.823625] kmem_cache_free+0xee/0x400 [ 12.823644] ? kmem_cache_alloc_noprof+0x107/0x350 [ 12.823685] ? kmem_cache_invalid_free+0x1d9/0x470 [ 12.823708] kmem_cache_invalid_free+0x1d9/0x470 [ 12.823728] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 12.823746] ? finish_task_switch.isra.0+0x153/0x700 [ 12.823766] ? __switch_to+0x5d9/0xf60 [ 12.823791] ? __pfx_read_tsc+0x10/0x10 [ 12.823809] ? ktime_get_ts64+0x84/0x230 [ 12.823832] kunit_try_run_case+0x1a6/0x480 [ 12.823854] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.823871] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 12.823891] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.823912] ? __kthread_parkme+0x82/0x160 [ 12.823930] ? preempt_count_sub+0x50/0x80 [ 12.823949] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.823967] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.823988] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.824010] kthread+0x257/0x310 [ 12.824026] ? __pfx_kthread+0x10/0x10 [ 12.824042] ret_from_fork+0x41/0x80 [ 12.824071] ? __pfx_kthread+0x10/0x10 [ 12.824089] ret_from_fork_asm+0x1a/0x30 [ 12.824117] </TASK> [ 12.824129] [ 12.833606] Allocated by task 216: [ 12.833899] kasan_save_stack+0x45/0x70 [ 12.834422] kasan_save_track+0x18/0x40 [ 12.834746] kasan_save_alloc_info+0x3b/0x50 [ 12.834943] __kasan_slab_alloc+0x91/0xa0 [ 12.835284] kmem_cache_alloc_noprof+0x107/0x350 [ 12.835621] kmem_cache_invalid_free+0x158/0x470 [ 12.835964] kunit_try_run_case+0x1a6/0x480 [ 12.836325] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.836699] kthread+0x257/0x310 [ 12.836880] ret_from_fork+0x41/0x80 [ 12.837120] ret_from_fork_asm+0x1a/0x30 [ 12.837537] [ 12.837698] The buggy address belongs to the object at ffff888102982000 [ 12.837698] which belongs to the cache test_cache of size 200 [ 12.838390] The buggy address is located 1 bytes inside of [ 12.838390] 200-byte region [ffff888102982000, ffff8881029820c8) [ 12.838942] [ 12.839135] The buggy address belongs to the physical page: [ 12.839390] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102982 [ 12.839793] flags: 0x200000000000000(node=0|zone=2) [ 12.840025] page_type: f5(slab) [ 12.840276] raw: 0200000000000000 ffff888101ad0140 dead000000000122 0000000000000000 [ 12.840554] raw: 0000000000000000 00000000800f000f 00000001f5000000 0000000000000000 [ 12.841255] page dumped because: kasan: bad access detected [ 12.841617] [ 12.841749] Memory state around the buggy address: [ 12.841938] ffff888102981f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.842384] ffff888102981f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.842871] >ffff888102982000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.843454] ^ [ 12.843719] ffff888102982080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 12.844057] ffff888102982100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.844476] ==================================================================