Date
June 26, 2025, 9:10 a.m.
| Environment | |
|---|---|
| dragonboard-845c | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 45.459616] ================================================================== [ 45.471310] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 45.478383] Free of addr ffff000096cb2001 by task kunit_try_catch/297 [ 45.484920] [ 45.486464] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT [ 45.486503] Tainted: [B]=BAD_PAGE, [N]=TEST [ 45.486513] Hardware name: Thundercomm Dragonboard 845c (DT) [ 45.486530] Call trace: [ 45.486538] show_stack+0x20/0x38 (C) [ 45.486562] dump_stack_lvl+0x8c/0xd0 [ 45.486587] print_report+0x118/0x608 [ 45.486608] kasan_report_invalid_free+0xc0/0xe8 [ 45.486629] check_slab_allocation+0xfc/0x108 [ 45.486650] __kasan_slab_pre_free+0x2c/0x48 [ 45.486670] kmem_cache_free+0xf0/0x468 [ 45.486692] kmem_cache_invalid_free+0x184/0x3c8 [ 45.486710] kunit_try_run_case+0x170/0x3f0 [ 45.486733] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 45.486756] kthread+0x328/0x630 [ 45.486775] ret_from_fork+0x10/0x20 [ 45.486841] [ 45.561806] Allocated by task 297: [ 45.565266] kasan_save_stack+0x3c/0x68 [ 45.569173] kasan_save_track+0x20/0x40 [ 45.573081] kasan_save_alloc_info+0x40/0x58 [ 45.577426] __kasan_slab_alloc+0xa8/0xb0 [ 45.581508] kmem_cache_alloc_noprof+0x10c/0x398 [ 45.586203] kmem_cache_invalid_free+0x12c/0x3c8 [ 45.590899] kunit_try_run_case+0x170/0x3f0 [ 45.595164] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 45.600738] kthread+0x328/0x630 [ 45.604027] ret_from_fork+0x10/0x20 [ 45.607669] [ 45.609204] The buggy address belongs to the object at ffff000096cb2000 [ 45.609204] which belongs to the cache test_cache of size 200 [ 45.621782] The buggy address is located 1 bytes inside of [ 45.621782] 200-byte region [ffff000096cb2000, ffff000096cb20c8) [ 45.633484] [ 45.635019] The buggy address belongs to the physical page: [ 45.640673] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x116cb2 [ 45.648787] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 45.656545] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 45.663610] page_type: f5(slab) [ 45.666819] raw: 0bfffe0000000040 ffff000096cae140 dead000000000122 0000000000000000 [ 45.674662] raw: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 45.682507] head: 0bfffe0000000040 ffff000096cae140 dead000000000122 0000000000000000 [ 45.690448] head: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 45.698378] head: 0bfffe0000000001 fffffdffc25b2c81 00000000ffffffff 00000000ffffffff [ 45.706309] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 45.714243] page dumped because: kasan: bad access detected [ 45.719890] [ 45.721423] Memory state around the buggy address: [ 45.726291] ffff000096cb1f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 45.733612] ffff000096cb1f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 45.740937] >ffff000096cb2000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 45.748255] ^ [ 45.751537] ffff000096cb2080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 45.758857] ffff000096cb2100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 45.766179] ==================================================================
[ 27.793459] ================================================================== [ 27.793525] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 27.793589] Free of addr fff00000c5766001 by task kunit_try_catch/223 [ 27.793631] [ 27.793668] CPU: 0 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT [ 27.793757] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.793813] Hardware name: linux,dummy-virt (DT) [ 27.793847] Call trace: [ 27.793885] show_stack+0x20/0x38 (C) [ 27.793939] dump_stack_lvl+0x8c/0xd0 [ 27.793990] print_report+0x118/0x608 [ 27.794038] kasan_report_invalid_free+0xc0/0xe8 [ 27.794101] check_slab_allocation+0xfc/0x108 [ 27.794148] __kasan_slab_pre_free+0x2c/0x48 [ 27.794665] kmem_cache_free+0xf0/0x468 [ 27.794752] kmem_cache_invalid_free+0x184/0x3c8 [ 27.794828] kunit_try_run_case+0x170/0x3f0 [ 27.794883] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.794938] kthread+0x328/0x630 [ 27.794982] ret_from_fork+0x10/0x20 [ 27.795048] [ 27.795099] Allocated by task 223: [ 27.795156] kasan_save_stack+0x3c/0x68 [ 27.795199] kasan_save_track+0x20/0x40 [ 27.795236] kasan_save_alloc_info+0x40/0x58 [ 27.795438] __kasan_slab_alloc+0xa8/0xb0 [ 27.795490] kmem_cache_alloc_noprof+0x10c/0x398 [ 27.795534] kmem_cache_invalid_free+0x12c/0x3c8 [ 27.795627] kunit_try_run_case+0x170/0x3f0 [ 27.795670] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.795719] kthread+0x328/0x630 [ 27.795753] ret_from_fork+0x10/0x20 [ 27.795855] [ 27.795875] The buggy address belongs to the object at fff00000c5766000 [ 27.795875] which belongs to the cache test_cache of size 200 [ 27.795934] The buggy address is located 1 bytes inside of [ 27.795934] 200-byte region [fff00000c5766000, fff00000c57660c8) [ 27.795994] [ 27.796015] The buggy address belongs to the physical page: [ 27.796047] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105766 [ 27.796114] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 27.796430] page_type: f5(slab) [ 27.796491] raw: 0bfffe0000000000 fff00000c56d4500 dead000000000122 0000000000000000 [ 27.796598] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 27.796660] page dumped because: kasan: bad access detected [ 27.796747] [ 27.796764] Memory state around the buggy address: [ 27.796827] fff00000c5765f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.797174] fff00000c5765f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.797220] >fff00000c5766000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.797550] ^ [ 27.797628] fff00000c5766080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 27.797796] fff00000c5766100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.797920] ==================================================================
[ 22.844280] ================================================================== [ 22.844734] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 22.845853] Free of addr ffff8881024dc001 by task kunit_try_catch/240 [ 22.846295] [ 22.846529] CPU: 0 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250626 #1 PREEMPT(voluntary) [ 22.846610] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.846623] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.846669] Call Trace: [ 22.846683] <TASK> [ 22.846705] dump_stack_lvl+0x73/0xb0 [ 22.846753] print_report+0xd1/0x650 [ 22.846776] ? __virt_addr_valid+0x1db/0x2d0 [ 22.846921] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.846951] ? kmem_cache_invalid_free+0x1d8/0x460 [ 22.846975] kasan_report_invalid_free+0x10a/0x130 [ 22.847000] ? kmem_cache_invalid_free+0x1d8/0x460 [ 22.847025] ? kmem_cache_invalid_free+0x1d8/0x460 [ 22.847054] check_slab_allocation+0x11f/0x130 [ 22.847076] __kasan_slab_pre_free+0x28/0x40 [ 22.847096] kmem_cache_free+0xed/0x420 [ 22.847120] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 22.847143] ? kmem_cache_invalid_free+0x1d8/0x460 [ 22.847168] kmem_cache_invalid_free+0x1d8/0x460 [ 22.847192] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 22.847214] ? finish_task_switch.isra.0+0x153/0x700 [ 22.847247] ? __switch_to+0x47/0xf50 [ 22.847276] ? __pfx_read_tsc+0x10/0x10 [ 22.847298] ? ktime_get_ts64+0x86/0x230 [ 22.847323] kunit_try_run_case+0x1a5/0x480 [ 22.847350] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.847372] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 22.847398] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.847423] ? __kthread_parkme+0x82/0x180 [ 22.847443] ? preempt_count_sub+0x50/0x80 [ 22.847465] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.847488] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.847511] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.847534] kthread+0x337/0x6f0 [ 22.847553] ? trace_preempt_on+0x20/0xc0 [ 22.847577] ? __pfx_kthread+0x10/0x10 [ 22.847596] ? _raw_spin_unlock_irq+0x47/0x80 [ 22.847619] ? calculate_sigpending+0x7b/0xa0 [ 22.847643] ? __pfx_kthread+0x10/0x10 [ 22.847664] ret_from_fork+0x116/0x1d0 [ 22.847683] ? __pfx_kthread+0x10/0x10 [ 22.847702] ret_from_fork_asm+0x1a/0x30 [ 22.847734] </TASK> [ 22.847746] [ 22.859720] Allocated by task 240: [ 22.859981] kasan_save_stack+0x45/0x70 [ 22.860182] kasan_save_track+0x18/0x40 [ 22.860322] kasan_save_alloc_info+0x3b/0x50 [ 22.860468] __kasan_slab_alloc+0x91/0xa0 [ 22.860663] kmem_cache_alloc_noprof+0x123/0x3f0 [ 22.861173] kmem_cache_invalid_free+0x157/0x460 [ 22.861544] kunit_try_run_case+0x1a5/0x480 [ 22.861863] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.862144] kthread+0x337/0x6f0 [ 22.862345] ret_from_fork+0x116/0x1d0 [ 22.862476] ret_from_fork_asm+0x1a/0x30 [ 22.862611] [ 22.862678] The buggy address belongs to the object at ffff8881024dc000 [ 22.862678] which belongs to the cache test_cache of size 200 [ 22.863658] The buggy address is located 1 bytes inside of [ 22.863658] 200-byte region [ffff8881024dc000, ffff8881024dc0c8) [ 22.864921] [ 22.865056] The buggy address belongs to the physical page: [ 22.865682] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1024dc [ 22.866194] flags: 0x200000000000000(node=0|zone=2) [ 22.866417] page_type: f5(slab) [ 22.866576] raw: 0200000000000000 ffff8881011063c0 dead000000000122 0000000000000000 [ 22.867686] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 22.868302] page dumped because: kasan: bad access detected [ 22.868754] [ 22.869021] Memory state around the buggy address: [ 22.869448] ffff8881024dbf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.869750] ffff8881024dbf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.870467] >ffff8881024dc000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.870761] ^ [ 22.871315] ffff8881024dc080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 22.872032] ffff8881024dc100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.872383] ==================================================================