Date
July 3, 2025, 10:10 a.m.
| Environment | |
|---|---|
| dragonboard-845c | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 46.300749] ================================================================== [ 46.312428] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 46.319490] Free of addr ffff000095dfa001 by task kunit_try_catch/320 [ 46.326016] [ 46.327552] CPU: 4 UID: 0 PID: 320 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 46.327590] Tainted: [B]=BAD_PAGE, [N]=TEST [ 46.327601] Hardware name: Thundercomm Dragonboard 845c (DT) [ 46.327616] Call trace: [ 46.327625] show_stack+0x20/0x38 (C) [ 46.327646] dump_stack_lvl+0x8c/0xd0 [ 46.327668] print_report+0x118/0x608 [ 46.327688] kasan_report_invalid_free+0xc0/0xe8 [ 46.327708] check_slab_allocation+0xfc/0x108 [ 46.327728] __kasan_slab_pre_free+0x2c/0x48 [ 46.327746] kmem_cache_free+0xf0/0x468 [ 46.327766] kmem_cache_invalid_free+0x184/0x3c8 [ 46.327783] kunit_try_run_case+0x170/0x3f0 [ 46.327805] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.327827] kthread+0x328/0x630 [ 46.327842] ret_from_fork+0x10/0x20 [ 46.327862] [ 46.402805] Allocated by task 320: [ 46.406267] kasan_save_stack+0x3c/0x68 [ 46.410170] kasan_save_track+0x20/0x40 [ 46.414069] kasan_save_alloc_info+0x40/0x58 [ 46.418410] __kasan_slab_alloc+0xa8/0xb0 [ 46.422482] kmem_cache_alloc_noprof+0x10c/0x398 [ 46.427173] kmem_cache_invalid_free+0x12c/0x3c8 [ 46.431861] kunit_try_run_case+0x170/0x3f0 [ 46.436115] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.441677] kthread+0x328/0x630 [ 46.444964] ret_from_fork+0x10/0x20 [ 46.448600] [ 46.450126] The buggy address belongs to the object at ffff000095dfa000 [ 46.450126] which belongs to the cache test_cache of size 200 [ 46.462697] The buggy address is located 1 bytes inside of [ 46.462697] 200-byte region [ffff000095dfa000, ffff000095dfa0c8) [ 46.474391] [ 46.475917] The buggy address belongs to the physical page: [ 46.481568] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x115dfa [ 46.489669] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 46.497420] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 46.504483] page_type: f5(slab) [ 46.507690] raw: 0bfffe0000000040 ffff000080f20b40 dead000000000122 0000000000000000 [ 46.515530] raw: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 46.523369] head: 0bfffe0000000040 ffff000080f20b40 dead000000000122 0000000000000000 [ 46.531293] head: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 46.539219] head: 0bfffe0000000001 fffffdffc2577e81 00000000ffffffff 00000000ffffffff [ 46.547144] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 46.555067] page dumped because: kasan: bad access detected [ 46.560718] [ 46.562243] Memory state around the buggy address: [ 46.567102] ffff000095df9f00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 46.574419] ffff000095df9f80: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc [ 46.581735] >ffff000095dfa000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 46.589048] ^ [ 46.592334] ffff000095dfa080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 46.599649] ffff000095dfa100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.606962] ==================================================================
[ 31.974413] ================================================================== [ 31.974735] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 31.974839] Free of addr fff00000c9aad001 by task kunit_try_catch/243 [ 31.975266] [ 31.975382] CPU: 0 UID: 0 PID: 243 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 31.975889] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.975919] Hardware name: linux,dummy-virt (DT) [ 31.976126] Call trace: [ 31.976242] show_stack+0x20/0x38 (C) [ 31.976301] dump_stack_lvl+0x8c/0xd0 [ 31.976519] print_report+0x118/0x608 [ 31.976568] kasan_report_invalid_free+0xc0/0xe8 [ 31.977073] check_slab_allocation+0xfc/0x108 [ 31.977159] __kasan_slab_pre_free+0x2c/0x48 [ 31.977229] kmem_cache_free+0xf0/0x468 [ 31.977302] kmem_cache_invalid_free+0x184/0x3c8 [ 31.977800] kunit_try_run_case+0x170/0x3f0 [ 31.978126] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.978257] kthread+0x328/0x630 [ 31.978309] ret_from_fork+0x10/0x20 [ 31.978559] [ 31.978579] Allocated by task 243: [ 31.978948] kasan_save_stack+0x3c/0x68 [ 31.979117] kasan_save_track+0x20/0x40 [ 31.979454] kasan_save_alloc_info+0x40/0x58 [ 31.979503] __kasan_slab_alloc+0xa8/0xb0 [ 31.979703] kmem_cache_alloc_noprof+0x10c/0x398 [ 31.979750] kmem_cache_invalid_free+0x12c/0x3c8 [ 31.979792] kunit_try_run_case+0x170/0x3f0 [ 31.980305] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.980403] kthread+0x328/0x630 [ 31.980461] ret_from_fork+0x10/0x20 [ 31.980675] [ 31.980805] The buggy address belongs to the object at fff00000c9aad000 [ 31.980805] which belongs to the cache test_cache of size 200 [ 31.980885] The buggy address is located 1 bytes inside of [ 31.980885] 200-byte region [fff00000c9aad000, fff00000c9aad0c8) [ 31.980953] [ 31.981086] The buggy address belongs to the physical page: [ 31.981232] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109aad [ 31.981291] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.981912] page_type: f5(slab) [ 31.982311] raw: 0bfffe0000000000 fff00000c1c3cb40 dead000000000122 0000000000000000 [ 31.982506] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 31.982768] page dumped because: kasan: bad access detected [ 31.982801] [ 31.983075] Memory state around the buggy address: [ 31.983112] fff00000c9aacf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.983327] fff00000c9aacf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 31.983373] >fff00000c9aad000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.983412] ^ [ 31.983439] fff00000c9aad080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 31.984163] fff00000c9aad100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.984236] ==================================================================
[ 23.883072] ================================================================== [ 23.883785] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 23.884103] Free of addr ffff888105507001 by task kunit_try_catch/260 [ 23.884591] [ 23.884698] CPU: 1 UID: 0 PID: 260 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT(voluntary) [ 23.884747] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.884760] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.884781] Call Trace: [ 23.884795] <TASK> [ 23.884813] dump_stack_lvl+0x73/0xb0 [ 23.884843] print_report+0xd1/0x650 [ 23.884866] ? __virt_addr_valid+0x1db/0x2d0 [ 23.884890] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.884915] ? kmem_cache_invalid_free+0x1d8/0x460 [ 23.884939] kasan_report_invalid_free+0x10a/0x130 [ 23.884962] ? kmem_cache_invalid_free+0x1d8/0x460 [ 23.885103] ? kmem_cache_invalid_free+0x1d8/0x460 [ 23.885132] check_slab_allocation+0x11f/0x130 [ 23.885174] __kasan_slab_pre_free+0x28/0x40 [ 23.885194] kmem_cache_free+0xed/0x420 [ 23.885218] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 23.885358] ? kmem_cache_invalid_free+0x1d8/0x460 [ 23.885385] kmem_cache_invalid_free+0x1d8/0x460 [ 23.885409] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 23.885433] ? __kasan_check_write+0x18/0x20 [ 23.885467] ? queued_spin_lock_slowpath+0x116/0xb40 [ 23.885489] ? irqentry_exit+0x2a/0x60 [ 23.885513] ? trace_hardirqs_on+0x37/0xe0 [ 23.885537] ? __pfx_read_tsc+0x10/0x10 [ 23.885559] ? ktime_get_ts64+0x86/0x230 [ 23.885583] kunit_try_run_case+0x1a5/0x480 [ 23.885609] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.885633] ? queued_spin_lock_slowpath+0x116/0xb40 [ 23.885654] ? __kthread_parkme+0x82/0x180 [ 23.885674] ? preempt_count_sub+0x50/0x80 [ 23.885697] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.885721] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.885744] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.885768] kthread+0x337/0x6f0 [ 23.885787] ? trace_preempt_on+0x20/0xc0 [ 23.885809] ? __pfx_kthread+0x10/0x10 [ 23.885829] ? _raw_spin_unlock_irq+0x47/0x80 [ 23.885856] ? calculate_sigpending+0x7b/0xa0 [ 23.885883] ? __pfx_kthread+0x10/0x10 [ 23.885905] ret_from_fork+0x116/0x1d0 [ 23.885924] ? __pfx_kthread+0x10/0x10 [ 23.885945] ret_from_fork_asm+0x1a/0x30 [ 23.885977] </TASK> [ 23.885988] [ 23.897504] Allocated by task 260: [ 23.897686] kasan_save_stack+0x45/0x70 [ 23.897881] kasan_save_track+0x18/0x40 [ 23.898057] kasan_save_alloc_info+0x3b/0x50 [ 23.898755] __kasan_slab_alloc+0x91/0xa0 [ 23.899137] kmem_cache_alloc_noprof+0x123/0x3f0 [ 23.899594] kmem_cache_invalid_free+0x157/0x460 [ 23.899931] kunit_try_run_case+0x1a5/0x480 [ 23.900231] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.900734] kthread+0x337/0x6f0 [ 23.901122] ret_from_fork+0x116/0x1d0 [ 23.901727] ret_from_fork_asm+0x1a/0x30 [ 23.901978] [ 23.902233] The buggy address belongs to the object at ffff888105507000 [ 23.902233] which belongs to the cache test_cache of size 200 [ 23.903022] The buggy address is located 1 bytes inside of [ 23.903022] 200-byte region [ffff888105507000, ffff8881055070c8) [ 23.903930] [ 23.904033] The buggy address belongs to the physical page: [ 23.904655] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105507 [ 23.905112] flags: 0x200000000000000(node=0|zone=2) [ 23.905537] page_type: f5(slab) [ 23.905703] raw: 0200000000000000 ffff888105505000 dead000000000122 0000000000000000 [ 23.906019] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 23.907057] page dumped because: kasan: bad access detected [ 23.907452] [ 23.907685] Memory state around the buggy address: [ 23.908133] ffff888105506f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.908818] ffff888105506f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.909118] >ffff888105507000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.909651] ^ [ 23.909807] ffff888105507080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 23.910097] ffff888105507100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.910726] ==================================================================