Date
July 11, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.624481] ================================================================== [ 17.624828] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 17.624908] Free of addr fff00000c58d9001 by task kunit_try_catch/212 [ 17.624951] [ 17.625125] CPU: 0 UID: 0 PID: 212 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 17.625231] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.625294] Hardware name: linux,dummy-virt (DT) [ 17.625335] Call trace: [ 17.625382] show_stack+0x20/0x38 (C) [ 17.625449] dump_stack_lvl+0x8c/0xd0 [ 17.625501] print_report+0x118/0x608 [ 17.625548] kasan_report_invalid_free+0xc0/0xe8 [ 17.625716] check_slab_allocation+0xfc/0x108 [ 17.625771] __kasan_slab_pre_free+0x2c/0x48 [ 17.625819] kmem_cache_free+0xf0/0x468 [ 17.625880] kmem_cache_invalid_free+0x184/0x3c8 [ 17.625929] kunit_try_run_case+0x170/0x3f0 [ 17.626001] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.626058] kthread+0x328/0x630 [ 17.626217] ret_from_fork+0x10/0x20 [ 17.626386] [ 17.626437] Allocated by task 212: [ 17.626704] kasan_save_stack+0x3c/0x68 [ 17.627080] kasan_save_track+0x20/0x40 [ 17.627167] kasan_save_alloc_info+0x40/0x58 [ 17.627207] __kasan_slab_alloc+0xa8/0xb0 [ 17.627244] kmem_cache_alloc_noprof+0x10c/0x398 [ 17.627284] kmem_cache_invalid_free+0x12c/0x3c8 [ 17.627505] kunit_try_run_case+0x170/0x3f0 [ 17.627548] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.627616] kthread+0x328/0x630 [ 17.627663] ret_from_fork+0x10/0x20 [ 17.627745] [ 17.627799] The buggy address belongs to the object at fff00000c58d9000 [ 17.627799] which belongs to the cache test_cache of size 200 [ 17.627880] The buggy address is located 1 bytes inside of [ 17.627880] 200-byte region [fff00000c58d9000, fff00000c58d90c8) [ 17.628056] [ 17.628126] The buggy address belongs to the physical page: [ 17.628293] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058d9 [ 17.628356] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.628437] page_type: f5(slab) [ 17.628477] raw: 0bfffe0000000000 fff00000c3ea3b40 dead000000000122 0000000000000000 [ 17.628527] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 17.628872] page dumped because: kasan: bad access detected [ 17.628960] [ 17.629082] Memory state around the buggy address: [ 17.629158] fff00000c58d8f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.629202] fff00000c58d8f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.629244] >fff00000c58d9000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.629282] ^ [ 17.629311] fff00000c58d9080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 17.629352] fff00000c58d9100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.629492] ==================================================================
[ 13.094946] ================================================================== [ 13.095612] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 13.096308] Free of addr ffff88810394d001 by task kunit_try_catch/228 [ 13.097209] [ 13.097467] CPU: 0 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.097513] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.097524] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.097545] Call Trace: [ 13.097558] <TASK> [ 13.097575] dump_stack_lvl+0x73/0xb0 [ 13.097609] print_report+0xd1/0x650 [ 13.097631] ? __virt_addr_valid+0x1db/0x2d0 [ 13.097656] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.097678] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.097704] kasan_report_invalid_free+0x10a/0x130 [ 13.097728] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.097764] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.097789] check_slab_allocation+0x11f/0x130 [ 13.097811] __kasan_slab_pre_free+0x28/0x40 [ 13.097831] kmem_cache_free+0xed/0x420 [ 13.097851] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.097871] ? kmem_cache_invalid_free+0x1d8/0x460 [ 13.097899] kmem_cache_invalid_free+0x1d8/0x460 [ 13.097960] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 13.097986] ? finish_task_switch.isra.0+0x153/0x700 [ 13.098010] ? __switch_to+0x47/0xf50 [ 13.098039] ? __pfx_read_tsc+0x10/0x10 [ 13.098060] ? ktime_get_ts64+0x86/0x230 [ 13.098084] kunit_try_run_case+0x1a5/0x480 [ 13.098109] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.098132] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.098156] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.098179] ? __kthread_parkme+0x82/0x180 [ 13.098201] ? preempt_count_sub+0x50/0x80 [ 13.098224] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.098248] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.098272] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.098296] kthread+0x337/0x6f0 [ 13.098315] ? trace_preempt_on+0x20/0xc0 [ 13.098340] ? __pfx_kthread+0x10/0x10 [ 13.098380] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.098402] ? calculate_sigpending+0x7b/0xa0 [ 13.098429] ? __pfx_kthread+0x10/0x10 [ 13.098452] ret_from_fork+0x116/0x1d0 [ 13.098472] ? __pfx_kthread+0x10/0x10 [ 13.098492] ret_from_fork_asm+0x1a/0x30 [ 13.098528] </TASK> [ 13.098539] [ 13.113054] Allocated by task 228: [ 13.113369] kasan_save_stack+0x45/0x70 [ 13.113518] kasan_save_track+0x18/0x40 [ 13.113650] kasan_save_alloc_info+0x3b/0x50 [ 13.113856] __kasan_slab_alloc+0x91/0xa0 [ 13.114221] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.114673] kmem_cache_invalid_free+0x157/0x460 [ 13.115158] kunit_try_run_case+0x1a5/0x480 [ 13.115597] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.116118] kthread+0x337/0x6f0 [ 13.116440] ret_from_fork+0x116/0x1d0 [ 13.116579] ret_from_fork_asm+0x1a/0x30 [ 13.116716] [ 13.116805] The buggy address belongs to the object at ffff88810394d000 [ 13.116805] which belongs to the cache test_cache of size 200 [ 13.117898] The buggy address is located 1 bytes inside of [ 13.117898] 200-byte region [ffff88810394d000, ffff88810394d0c8) [ 13.119248] [ 13.119357] The buggy address belongs to the physical page: [ 13.119530] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10394d [ 13.119801] flags: 0x200000000000000(node=0|zone=2) [ 13.120289] page_type: f5(slab) [ 13.120622] raw: 0200000000000000 ffff88810394a000 dead000000000122 0000000000000000 [ 13.121399] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.122330] page dumped because: kasan: bad access detected [ 13.122548] [ 13.122618] Memory state around the buggy address: [ 13.122789] ffff88810394cf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.123498] ffff88810394cf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.124230] >ffff88810394d000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.124830] ^ [ 13.124979] ffff88810394d080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.125530] ffff88810394d100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.125754] ==================================================================