Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 23.902951] ================================================================== [ 23.903540] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3b8 [ 23.903875] Free of addr fff00000c6457001 by task kunit_try_catch/200 [ 23.904909] [ 23.905239] CPU: 1 UID: 0 PID: 200 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 23.906021] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.906104] Hardware name: linux,dummy-virt (DT) [ 23.906728] Call trace: [ 23.906831] show_stack+0x20/0x38 (C) [ 23.907006] dump_stack_lvl+0x8c/0xd0 [ 23.907151] print_report+0x118/0x608 [ 23.907283] kasan_report_invalid_free+0xc0/0xe8 [ 23.907404] check_slab_allocation+0xfc/0x108 [ 23.907521] __kasan_slab_pre_free+0x2c/0x48 [ 23.907616] kmem_cache_free+0xf0/0x468 [ 23.907680] kmem_cache_invalid_free+0x184/0x3b8 [ 23.907739] kunit_try_run_case+0x170/0x3f0 [ 23.907800] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.907867] kthread+0x318/0x620 [ 23.907959] ret_from_fork+0x10/0x20 [ 23.908020] [ 23.915721] Allocated by task 200: [ 23.916501] kasan_save_stack+0x3c/0x68 [ 23.917332] kasan_save_track+0x20/0x40 [ 23.917954] kasan_save_alloc_info+0x40/0x58 [ 23.918477] __kasan_slab_alloc+0xa8/0xb0 [ 23.919238] kmem_cache_alloc_noprof+0x10c/0x398 [ 23.919819] kmem_cache_invalid_free+0x12c/0x3b8 [ 23.920614] kunit_try_run_case+0x170/0x3f0 [ 23.921535] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.922256] kthread+0x318/0x620 [ 23.922678] ret_from_fork+0x10/0x20 [ 23.923215] [ 23.923540] The buggy address belongs to the object at fff00000c6457000 [ 23.923540] which belongs to the cache test_cache of size 200 [ 23.924674] The buggy address is located 1 bytes inside of [ 23.924674] 200-byte region [fff00000c6457000, fff00000c64570c8) [ 23.926560] [ 23.926827] The buggy address belongs to the physical page: [ 23.927691] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106457 [ 23.928305] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 23.928929] page_type: f5(slab) [ 23.929746] raw: 0bfffe0000000000 fff00000c5679c80 dead000000000122 0000000000000000 [ 23.930580] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 23.931701] page dumped because: kasan: bad access detected [ 23.932197] [ 23.932455] Memory state around the buggy address: [ 23.933717] fff00000c6456f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 23.934636] fff00000c6456f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 23.935336] >fff00000c6457000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.936304] ^ [ 23.936804] fff00000c6457080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 23.937897] fff00000c6457100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.938592] ==================================================================
[ 18.671980] ================================================================== [ 18.672718] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d9/0x470 [ 18.673559] Free of addr ffff888102cad001 by task kunit_try_catch/219 [ 18.674760] [ 18.675189] CPU: 0 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 18.675436] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.675467] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.675497] Call Trace: [ 18.675520] <TASK> [ 18.675549] dump_stack_lvl+0x73/0xb0 [ 18.675600] print_report+0xd1/0x650 [ 18.675631] ? __virt_addr_valid+0x1db/0x2d0 [ 18.675663] ? kasan_complete_mode_report_info+0x2a/0x200 [ 18.675709] ? kmem_cache_invalid_free+0x1d9/0x470 [ 18.675740] kasan_report_invalid_free+0xfc/0x120 [ 18.675770] ? kmem_cache_invalid_free+0x1d9/0x470 [ 18.675802] ? kmem_cache_invalid_free+0x1d9/0x470 [ 18.675832] check_slab_allocation+0x11f/0x130 [ 18.675876] __kasan_slab_pre_free+0x28/0x40 [ 18.675906] kmem_cache_free+0xee/0x420 [ 18.675932] ? kmem_cache_alloc_noprof+0x124/0x400 [ 18.675957] ? kmem_cache_invalid_free+0x1d9/0x470 [ 18.675989] kmem_cache_invalid_free+0x1d9/0x470 [ 18.676019] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 18.676047] ? finish_task_switch.isra.0+0x153/0x700 [ 18.676078] ? __switch_to+0x5d9/0xf60 [ 18.676115] ? __pfx_read_tsc+0x10/0x10 [ 18.676143] ? ktime_get_ts64+0x86/0x230 [ 18.676175] kunit_try_run_case+0x1a6/0x480 [ 18.676206] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.676232] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 18.676263] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.676292] ? __kthread_parkme+0x82/0x160 [ 18.676337] ? preempt_count_sub+0x50/0x80 [ 18.676368] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.676397] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.676430] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.676461] kthread+0x324/0x6e0 [ 18.676487] ? trace_preempt_on+0x20/0xc0 [ 18.676518] ? __pfx_kthread+0x10/0x10 [ 18.676545] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.676572] ? calculate_sigpending+0x7b/0xa0 [ 18.676600] ? __pfx_kthread+0x10/0x10 [ 18.676628] ret_from_fork+0x41/0x80 [ 18.676651] ? __pfx_kthread+0x10/0x10 [ 18.676678] ret_from_fork_asm+0x1a/0x30 [ 18.676719] </TASK> [ 18.676733] [ 18.691591] Allocated by task 219: [ 18.692651] kasan_save_stack+0x45/0x70 [ 18.693642] kasan_save_track+0x18/0x40 [ 18.694180] kasan_save_alloc_info+0x3b/0x50 [ 18.694749] __kasan_slab_alloc+0x91/0xa0 [ 18.695299] kmem_cache_alloc_noprof+0x124/0x400 [ 18.695661] kmem_cache_invalid_free+0x158/0x470 [ 18.696154] kunit_try_run_case+0x1a6/0x480 [ 18.696626] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.697228] kthread+0x324/0x6e0 [ 18.697872] ret_from_fork+0x41/0x80 [ 18.698185] ret_from_fork_asm+0x1a/0x30 [ 18.698511] [ 18.698948] The buggy address belongs to the object at ffff888102cad000 [ 18.698948] which belongs to the cache test_cache of size 200 [ 18.699674] The buggy address is located 1 bytes inside of [ 18.699674] 200-byte region [ffff888102cad000, ffff888102cad0c8) [ 18.700602] [ 18.700760] The buggy address belongs to the physical page: [ 18.701217] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102cad [ 18.701954] flags: 0x200000000000000(node=0|zone=2) [ 18.702377] page_type: f5(slab) [ 18.702635] raw: 0200000000000000 ffff8881003b1140 dead000000000122 0000000000000000 [ 18.703164] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 18.703811] page dumped because: kasan: bad access detected [ 18.704419] [ 18.704563] Memory state around the buggy address: [ 18.705057] ffff888102cacf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.705928] ffff888102cacf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.706246] >ffff888102cad000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.707637] ^ [ 18.707903] ffff888102cad080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 18.708448] ffff888102cad100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.709197] ==================================================================