Date
May 12, 2025, 6:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.591478] ================================================================== [ 19.592204] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3b8 [ 19.592937] Free of addr fff00000c6573001 by task kunit_try_catch/200 [ 19.593444] [ 19.593638] CPU: 0 UID: 0 PID: 200 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 19.593770] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.593812] Hardware name: linux,dummy-virt (DT) [ 19.593869] Call trace: [ 19.593900] show_stack+0x20/0x38 (C) [ 19.593973] dump_stack_lvl+0x8c/0xd0 [ 19.594037] print_report+0x118/0x608 [ 19.594119] kasan_report_invalid_free+0xc0/0xe8 [ 19.594183] check_slab_allocation+0xfc/0x108 [ 19.594242] __kasan_slab_pre_free+0x2c/0x48 [ 19.594299] kmem_cache_free+0xf0/0x470 [ 19.594378] kmem_cache_invalid_free+0x184/0x3b8 [ 19.594443] kunit_try_run_case+0x170/0x3f0 [ 19.594565] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.594640] kthread+0x318/0x620 [ 19.594696] ret_from_fork+0x10/0x20 [ 19.594770] [ 19.598928] Allocated by task 200: [ 19.599234] kasan_save_stack+0x3c/0x68 [ 19.599581] kasan_save_track+0x20/0x40 [ 19.600418] kasan_save_alloc_info+0x40/0x58 [ 19.600731] __kasan_slab_alloc+0xa8/0xb0 [ 19.601124] kmem_cache_alloc_noprof+0x10c/0x3a0 [ 19.601392] kmem_cache_invalid_free+0x12c/0x3b8 [ 19.601632] kunit_try_run_case+0x170/0x3f0 [ 19.601813] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.602211] kthread+0x318/0x620 [ 19.602453] ret_from_fork+0x10/0x20 [ 19.602725] [ 19.602916] The buggy address belongs to the object at fff00000c6573000 [ 19.602916] which belongs to the cache test_cache of size 200 [ 19.603448] The buggy address is located 1 bytes inside of [ 19.603448] 200-byte region [fff00000c6573000, fff00000c65730c8) [ 19.604042] [ 19.604234] The buggy address belongs to the physical page: [ 19.604513] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106573 [ 19.605168] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.605500] page_type: f5(slab) [ 19.605781] raw: 0bfffe0000000000 fff00000c656d280 dead000000000122 0000000000000000 [ 19.606159] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 19.606873] page dumped because: kasan: bad access detected [ 19.607375] [ 19.607696] Memory state around the buggy address: [ 19.607918] fff00000c6572f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.608168] fff00000c6572f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.609178] >fff00000c6573000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.609569] ^ [ 19.609769] fff00000c6573080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 19.610252] fff00000c6573100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.610828] ==================================================================
[ 13.142346] ================================================================== [ 13.144023] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d9/0x470 [ 13.144397] Free of addr ffff888101b30001 by task kunit_try_catch/219 [ 13.144603] [ 13.144933] CPU: 1 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 13.145018] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.145258] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.145289] Call Trace: [ 13.145305] <TASK> [ 13.145327] dump_stack_lvl+0x73/0xb0 [ 13.145362] print_report+0xd1/0x650 [ 13.145385] ? __virt_addr_valid+0x1db/0x2d0 [ 13.145410] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.145435] ? kmem_cache_invalid_free+0x1d9/0x470 [ 13.145460] kasan_report_invalid_free+0xfc/0x120 [ 13.145483] ? kmem_cache_invalid_free+0x1d9/0x470 [ 13.145508] ? kmem_cache_invalid_free+0x1d9/0x470 [ 13.145531] check_slab_allocation+0x11f/0x130 [ 13.145552] __kasan_slab_pre_free+0x28/0x40 [ 13.145571] kmem_cache_free+0xee/0x420 [ 13.145591] ? kmem_cache_alloc_noprof+0x124/0x400 [ 13.145614] ? kmem_cache_invalid_free+0x1d9/0x470 [ 13.145641] kmem_cache_invalid_free+0x1d9/0x470 [ 13.145664] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 13.145686] ? finish_task_switch.isra.0+0x153/0x700 [ 13.145711] ? __switch_to+0x5d9/0xf60 [ 13.145747] ? __pfx_read_tsc+0x10/0x10 [ 13.145768] ? ktime_get_ts64+0x86/0x230 [ 13.145794] kunit_try_run_case+0x1a6/0x480 [ 13.145819] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.145851] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 13.145874] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.145899] ? __kthread_parkme+0x82/0x160 [ 13.145922] ? preempt_count_sub+0x50/0x80 [ 13.145945] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.145967] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.146012] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.146051] kthread+0x324/0x6e0 [ 13.146073] ? trace_preempt_on+0x20/0xc0 [ 13.146097] ? __pfx_kthread+0x10/0x10 [ 13.146119] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.146142] ? calculate_sigpending+0x7b/0xa0 [ 13.146163] ? __pfx_kthread+0x10/0x10 [ 13.146185] ret_from_fork+0x41/0x80 [ 13.146203] ? __pfx_kthread+0x10/0x10 [ 13.146225] ret_from_fork_asm+0x1a/0x30 [ 13.146259] </TASK> [ 13.146271] [ 13.161965] Allocated by task 219: [ 13.162474] kasan_save_stack+0x45/0x70 [ 13.162958] kasan_save_track+0x18/0x40 [ 13.163507] kasan_save_alloc_info+0x3b/0x50 [ 13.164055] __kasan_slab_alloc+0x91/0xa0 [ 13.164657] kmem_cache_alloc_noprof+0x124/0x400 [ 13.165319] kmem_cache_invalid_free+0x158/0x470 [ 13.165867] kunit_try_run_case+0x1a6/0x480 [ 13.166648] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.167182] kthread+0x324/0x6e0 [ 13.167518] ret_from_fork+0x41/0x80 [ 13.167920] ret_from_fork_asm+0x1a/0x30 [ 13.168288] [ 13.168544] The buggy address belongs to the object at ffff888101b30000 [ 13.168544] which belongs to the cache test_cache of size 200 [ 13.169409] The buggy address is located 1 bytes inside of [ 13.169409] 200-byte region [ffff888101b30000, ffff888101b300c8) [ 13.169760] [ 13.169851] The buggy address belongs to the physical page: [ 13.170398] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101b30 [ 13.170760] flags: 0x200000000000000(node=0|zone=2) [ 13.170972] page_type: f5(slab) [ 13.171120] raw: 0200000000000000 ffff888101ab2a00 dead000000000122 0000000000000000 [ 13.171664] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.172073] page dumped because: kasan: bad access detected [ 13.172355] [ 13.172461] Memory state around the buggy address: [ 13.172646] ffff888101b2ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.172940] ffff888101b2ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.173626] >ffff888101b30000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.174027] ^ [ 13.174356] ffff888101b30080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.174684] ffff888101b30100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.175012] ==================================================================