Date
June 24, 2025, 11:37 a.m.
| Environment | |
|---|---|
| dragonboard-845c | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 44.107018] ================================================================== [ 44.118706] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 44.125779] Free of addr ffff000083322001 by task kunit_try_catch/309 [ 44.132304] [ 44.133846] CPU: 1 UID: 0 PID: 309 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250624 #1 PREEMPT [ 44.133886] Tainted: [B]=BAD_PAGE, [N]=TEST [ 44.133896] Hardware name: Thundercomm Dragonboard 845c (DT) [ 44.133911] Call trace: [ 44.133920] show_stack+0x20/0x38 (C) [ 44.133945] dump_stack_lvl+0x8c/0xd0 [ 44.133969] print_report+0x118/0x608 [ 44.133991] kasan_report_invalid_free+0xc0/0xe8 [ 44.134013] check_slab_allocation+0xfc/0x108 [ 44.134034] __kasan_slab_pre_free+0x2c/0x48 [ 44.134055] kmem_cache_free+0xf0/0x468 [ 44.134078] kmem_cache_invalid_free+0x184/0x3c8 [ 44.134097] kunit_try_run_case+0x170/0x3f0 [ 44.134121] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 44.134147] kthread+0x328/0x630 [ 44.134166] ret_from_fork+0x10/0x20 [ 44.134192] [ 44.209162] Allocated by task 309: [ 44.212626] kasan_save_stack+0x3c/0x68 [ 44.216538] kasan_save_track+0x20/0x40 [ 44.220447] kasan_save_alloc_info+0x40/0x58 [ 44.224786] __kasan_slab_alloc+0xa8/0xb0 [ 44.228870] kmem_cache_alloc_noprof+0x10c/0x398 [ 44.233570] kmem_cache_invalid_free+0x12c/0x3c8 [ 44.238267] kunit_try_run_case+0x170/0x3f0 [ 44.242519] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 44.248090] kthread+0x328/0x630 [ 44.251382] ret_from_fork+0x10/0x20 [ 44.255021] [ 44.256557] The buggy address belongs to the object at ffff000083322000 [ 44.256557] which belongs to the cache test_cache of size 200 [ 44.269134] The buggy address is located 1 bytes inside of [ 44.269134] 200-byte region [ffff000083322000, ffff0000833220c8) [ 44.280838] [ 44.282371] The buggy address belongs to the physical page: [ 44.288017] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103322 [ 44.296138] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 44.303899] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 44.310967] page_type: f5(slab) [ 44.314177] raw: 0bfffe0000000040 ffff000083320000 dead000000000122 0000000000000000 [ 44.322024] raw: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 44.329871] head: 0bfffe0000000040 ffff000083320000 dead000000000122 0000000000000000 [ 44.337807] head: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 44.345738] head: 0bfffe0000000001 fffffdffc20cc881 00000000ffffffff 00000000ffffffff [ 44.353669] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 44.361597] page dumped because: kasan: bad access detected [ 44.367247] [ 44.368784] Memory state around the buggy address: [ 44.373652] ffff000083321f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.380977] ffff000083321f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.388304] >ffff000083322000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 44.395619] ^ [ 44.398909] ffff000083322080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 44.406223] ffff000083322100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.413534] ==================================================================
[ 34.015585] ================================================================== [ 34.016151] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x184/0x3c8 [ 34.016523] Free of addr fff00000c77d6001 by task kunit_try_catch/222 [ 34.016624] [ 34.016706] CPU: 0 UID: 0 PID: 222 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250624 #1 PREEMPT [ 34.016941] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.017011] Hardware name: linux,dummy-virt (DT) [ 34.017089] Call trace: [ 34.017164] show_stack+0x20/0x38 (C) [ 34.017707] dump_stack_lvl+0x8c/0xd0 [ 34.018008] print_report+0x118/0x608 [ 34.018824] kasan_report_invalid_free+0xc0/0xe8 [ 34.019265] check_slab_allocation+0xfc/0x108 [ 34.019722] __kasan_slab_pre_free+0x2c/0x48 [ 34.020092] kmem_cache_free+0xf0/0x468 [ 34.020415] kmem_cache_invalid_free+0x184/0x3c8 [ 34.021025] kunit_try_run_case+0x170/0x3f0 [ 34.021180] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.021550] kthread+0x328/0x630 [ 34.021682] ret_from_fork+0x10/0x20 [ 34.021807] [ 34.022072] Allocated by task 222: [ 34.022170] kasan_save_stack+0x3c/0x68 [ 34.022370] kasan_save_track+0x20/0x40 [ 34.022488] kasan_save_alloc_info+0x40/0x58 [ 34.022754] __kasan_slab_alloc+0xa8/0xb0 [ 34.023151] kmem_cache_alloc_noprof+0x10c/0x398 [ 34.023555] kmem_cache_invalid_free+0x12c/0x3c8 [ 34.023678] kunit_try_run_case+0x170/0x3f0 [ 34.023995] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.024184] kthread+0x328/0x630 [ 34.024286] ret_from_fork+0x10/0x20 [ 34.024468] [ 34.024516] The buggy address belongs to the object at fff00000c77d6000 [ 34.024516] which belongs to the cache test_cache of size 200 [ 34.025058] The buggy address is located 1 bytes inside of [ 34.025058] 200-byte region [fff00000c77d6000, fff00000c77d60c8) [ 34.025229] [ 34.025288] The buggy address belongs to the physical page: [ 34.025566] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077d6 [ 34.025837] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.025977] page_type: f5(slab) [ 34.026454] raw: 0bfffe0000000000 fff00000c11b8dc0 dead000000000122 0000000000000000 [ 34.027048] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 34.027162] page dumped because: kasan: bad access detected [ 34.027265] [ 34.027316] Memory state around the buggy address: [ 34.027788] fff00000c77d5f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.027916] fff00000c77d5f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.028679] >fff00000c77d6000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 34.028782] ^ [ 34.028906] fff00000c77d6080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 34.029089] fff00000c77d6100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.029286] ==================================================================
[ 30.092744] ================================================================== [ 30.093481] BUG: KASAN: invalid-free in kmem_cache_invalid_free+0x1d8/0x460 [ 30.094323] Free of addr ffff888103b4a001 by task kunit_try_catch/241 [ 30.094755] [ 30.095739] CPU: 1 UID: 0 PID: 241 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250624 #1 PREEMPT(voluntary) [ 30.095849] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.095876] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 30.095917] Call Trace: [ 30.095945] <TASK> [ 30.095979] dump_stack_lvl+0x73/0xb0 [ 30.096028] print_report+0xd1/0x650 [ 30.096084] ? __virt_addr_valid+0x1db/0x2d0 [ 30.096143] ? kasan_complete_mode_report_info+0x2a/0x200 [ 30.096192] ? kmem_cache_invalid_free+0x1d8/0x460 [ 30.096225] kasan_report_invalid_free+0x10a/0x130 [ 30.096257] ? kmem_cache_invalid_free+0x1d8/0x460 [ 30.096290] ? kmem_cache_invalid_free+0x1d8/0x460 [ 30.096321] check_slab_allocation+0x11f/0x130 [ 30.096349] __kasan_slab_pre_free+0x28/0x40 [ 30.096375] kmem_cache_free+0xed/0x420 [ 30.096401] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 30.096433] ? kmem_cache_invalid_free+0x1d8/0x460 [ 30.096466] kmem_cache_invalid_free+0x1d8/0x460 [ 30.096497] ? __pfx_kmem_cache_invalid_free+0x10/0x10 [ 30.096526] ? finish_task_switch.isra.0+0x153/0x700 [ 30.096579] ? __switch_to+0x47/0xf50 [ 30.096617] ? __pfx_read_tsc+0x10/0x10 [ 30.096673] ? ktime_get_ts64+0x86/0x230 [ 30.096708] kunit_try_run_case+0x1a5/0x480 [ 30.096743] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.096772] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 30.096806] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 30.096837] ? __kthread_parkme+0x82/0x180 [ 30.096864] ? preempt_count_sub+0x50/0x80 [ 30.096893] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.096923] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.096954] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 30.096984] kthread+0x337/0x6f0 [ 30.097010] ? trace_preempt_on+0x20/0xc0 [ 30.097041] ? __pfx_kthread+0x10/0x10 [ 30.097082] ? _raw_spin_unlock_irq+0x47/0x80 [ 30.097132] ? calculate_sigpending+0x7b/0xa0 [ 30.097176] ? __pfx_kthread+0x10/0x10 [ 30.097206] ret_from_fork+0x116/0x1d0 [ 30.097232] ? __pfx_kthread+0x10/0x10 [ 30.097259] ret_from_fork_asm+0x1a/0x30 [ 30.097300] </TASK> [ 30.097314] [ 30.113419] Allocated by task 241: [ 30.113830] kasan_save_stack+0x45/0x70 [ 30.114152] kasan_save_track+0x18/0x40 [ 30.114483] kasan_save_alloc_info+0x3b/0x50 [ 30.114919] __kasan_slab_alloc+0x91/0xa0 [ 30.115303] kmem_cache_alloc_noprof+0x123/0x3f0 [ 30.116227] kmem_cache_invalid_free+0x157/0x460 [ 30.116743] kunit_try_run_case+0x1a5/0x480 [ 30.117290] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.117695] kthread+0x337/0x6f0 [ 30.118165] ret_from_fork+0x116/0x1d0 [ 30.118575] ret_from_fork_asm+0x1a/0x30 [ 30.118864] [ 30.119000] The buggy address belongs to the object at ffff888103b4a000 [ 30.119000] which belongs to the cache test_cache of size 200 [ 30.120503] The buggy address is located 1 bytes inside of [ 30.120503] 200-byte region [ffff888103b4a000, ffff888103b4a0c8) [ 30.121678] [ 30.121893] The buggy address belongs to the physical page: [ 30.122320] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103b4a [ 30.122957] flags: 0x200000000000000(node=0|zone=2) [ 30.123810] page_type: f5(slab) [ 30.124744] raw: 0200000000000000 ffff888101ba6c80 dead000000000122 0000000000000000 [ 30.125537] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 30.126156] page dumped because: kasan: bad access detected [ 30.126579] [ 30.126790] Memory state around the buggy address: [ 30.127205] ffff888103b49f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.128190] ffff888103b49f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.128831] >ffff888103b4a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.129478] ^ [ 30.129808] ffff888103b4a080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 30.130527] ffff888103b4a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.130996] ==================================================================