Date
April 22, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 | |
| rk3399-rock-pi-4b |
[ 18.563227] ================================================================== [ 18.563354] BUG: KASAN: double-free in kmem_cache_double_free+0x190/0x3c8 [ 18.563489] Free of addr fff00000c62d9000 by task kunit_try_catch/211 [ 18.563630] [ 18.563807] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT [ 18.563942] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.563974] Hardware name: linux,dummy-virt (DT) [ 18.564011] Call trace: [ 18.564042] show_stack+0x20/0x38 (C) [ 18.564102] dump_stack_lvl+0x8c/0xd0 [ 18.564153] print_report+0x118/0x608 [ 18.564202] kasan_report_invalid_free+0xc0/0xe8 [ 18.564249] check_slab_allocation+0xd4/0x108 [ 18.564296] __kasan_slab_pre_free+0x2c/0x48 [ 18.564344] kmem_cache_free+0xf0/0x470 [ 18.564388] kmem_cache_double_free+0x190/0x3c8 [ 18.564439] kunit_try_run_case+0x170/0x3f0 [ 18.564490] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.564560] kthread+0x328/0x630 [ 18.564613] ret_from_fork+0x10/0x20 [ 18.564664] [ 18.564684] Allocated by task 211: [ 18.564716] kasan_save_stack+0x3c/0x68 [ 18.564757] kasan_save_track+0x20/0x40 [ 18.564794] kasan_save_alloc_info+0x40/0x58 [ 18.565291] __kasan_slab_alloc+0xa8/0xb0 [ 18.565384] kmem_cache_alloc_noprof+0x10c/0x3a0 [ 18.565776] kmem_cache_double_free+0x12c/0x3c8 [ 18.565878] kunit_try_run_case+0x170/0x3f0 [ 18.565936] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.565986] kthread+0x328/0x630 [ 18.566031] ret_from_fork+0x10/0x20 [ 18.566074] [ 18.566095] Freed by task 211: [ 18.566128] kasan_save_stack+0x3c/0x68 [ 18.566392] kasan_save_track+0x20/0x40 [ 18.566441] kasan_save_free_info+0x4c/0x78 [ 18.566479] __kasan_slab_free+0x6c/0x98 [ 18.566656] kmem_cache_free+0x260/0x470 [ 18.566716] kmem_cache_double_free+0x140/0x3c8 [ 18.566760] kunit_try_run_case+0x170/0x3f0 [ 18.567025] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.567194] kthread+0x328/0x630 [ 18.567336] ret_from_fork+0x10/0x20 [ 18.567385] [ 18.567425] The buggy address belongs to the object at fff00000c62d9000 [ 18.567425] which belongs to the cache test_cache of size 200 [ 18.567640] The buggy address is located 0 bytes inside of [ 18.567640] 200-byte region [fff00000c62d9000, fff00000c62d90c8) [ 18.567713] [ 18.567839] The buggy address belongs to the physical page: [ 18.567878] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1062d9 [ 18.568081] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.568150] page_type: f5(slab) [ 18.568486] raw: 0bfffe0000000000 fff00000c1288500 dead000000000122 0000000000000000 [ 18.568819] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 18.568888] page dumped because: kasan: bad access detected [ 18.568932] [ 18.568966] Memory state around the buggy address: [ 18.569005] fff00000c62d8f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.569185] fff00000c62d8f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.569346] >fff00000c62d9000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.569394] ^ [ 18.569577] fff00000c62d9080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 18.569736] fff00000c62d9100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.569785] ==================================================================
[ 19.300784] ================================================================== [ 19.302023] BUG: KASAN: double-free in kmem_cache_double_free+0x1e5/0x480 [ 19.302785] Free of addr ffff88810297b000 by task kunit_try_catch/229 [ 19.303907] [ 19.304241] CPU: 1 UID: 0 PID: 229 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT(voluntary) [ 19.304420] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.304680] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.304734] Call Trace: [ 19.304773] <TASK> [ 19.304815] dump_stack_lvl+0x73/0xb0 [ 19.304898] print_report+0xd1/0x650 [ 19.304938] ? __virt_addr_valid+0x1db/0x2d0 [ 19.304969] ? kasan_complete_mode_report_info+0x64/0x200 [ 19.304999] ? kmem_cache_double_free+0x1e5/0x480 [ 19.305027] kasan_report_invalid_free+0x10a/0x130 [ 19.305060] ? kmem_cache_double_free+0x1e5/0x480 [ 19.305091] ? kmem_cache_double_free+0x1e5/0x480 [ 19.305118] check_slab_allocation+0x101/0x130 [ 19.305149] __kasan_slab_pre_free+0x28/0x40 [ 19.305178] kmem_cache_free+0xed/0x420 [ 19.305206] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 19.305234] ? kmem_cache_double_free+0x1e5/0x480 [ 19.305264] kmem_cache_double_free+0x1e5/0x480 [ 19.305292] ? __pfx_kmem_cache_double_free+0x10/0x10 [ 19.305318] ? finish_task_switch.isra.0+0x153/0x700 [ 19.305351] ? __switch_to+0x5d9/0xf60 [ 19.305378] ? dequeue_task_fair+0x166/0x4e0 [ 19.305415] ? __pfx_read_tsc+0x10/0x10 [ 19.305441] ? ktime_get_ts64+0x86/0x230 [ 19.305477] kunit_try_run_case+0x1a5/0x480 [ 19.305545] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.305616] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.305704] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.305760] ? __kthread_parkme+0x82/0x180 [ 19.305794] ? preempt_count_sub+0x50/0x80 [ 19.305827] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.305859] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.305890] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.305920] kthread+0x337/0x6f0 [ 19.305948] ? trace_preempt_on+0x20/0xc0 [ 19.305982] ? __pfx_kthread+0x10/0x10 [ 19.306013] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.306044] ? calculate_sigpending+0x7b/0xa0 [ 19.306074] ? __pfx_kthread+0x10/0x10 [ 19.306105] ret_from_fork+0x41/0x80 [ 19.306133] ? __pfx_kthread+0x10/0x10 [ 19.306163] ret_from_fork_asm+0x1a/0x30 [ 19.306204] </TASK> [ 19.306218] [ 19.326641] Allocated by task 229: [ 19.327009] kasan_save_stack+0x45/0x70 [ 19.327361] kasan_save_track+0x18/0x40 [ 19.327952] kasan_save_alloc_info+0x3b/0x50 [ 19.328394] __kasan_slab_alloc+0x91/0xa0 [ 19.329666] kmem_cache_alloc_noprof+0x123/0x3f0 [ 19.330116] kmem_cache_double_free+0x14f/0x480 [ 19.330730] kunit_try_run_case+0x1a5/0x480 [ 19.331144] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.331774] kthread+0x337/0x6f0 [ 19.332095] ret_from_fork+0x41/0x80 [ 19.332986] ret_from_fork_asm+0x1a/0x30 [ 19.333311] [ 19.333546] Freed by task 229: [ 19.333919] kasan_save_stack+0x45/0x70 [ 19.334292] kasan_save_track+0x18/0x40 [ 19.334751] kasan_save_free_info+0x3f/0x60 [ 19.335154] __kasan_slab_free+0x56/0x70 [ 19.335707] kmem_cache_free+0x249/0x420 [ 19.336132] kmem_cache_double_free+0x16a/0x480 [ 19.337049] kunit_try_run_case+0x1a5/0x480 [ 19.337461] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.337868] kthread+0x337/0x6f0 [ 19.338384] ret_from_fork+0x41/0x80 [ 19.338954] ret_from_fork_asm+0x1a/0x30 [ 19.339366] [ 19.339738] The buggy address belongs to the object at ffff88810297b000 [ 19.339738] which belongs to the cache test_cache of size 200 [ 19.341203] The buggy address is located 0 bytes inside of [ 19.341203] 200-byte region [ffff88810297b000, ffff88810297b0c8) [ 19.342056] [ 19.342247] The buggy address belongs to the physical page: [ 19.342643] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10297b [ 19.343305] flags: 0x200000000000000(node=0|zone=2) [ 19.344005] page_type: f5(slab) [ 19.344385] raw: 0200000000000000 ffff888101ad4a00 dead000000000122 0000000000000000 [ 19.345766] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 19.346256] page dumped because: kasan: bad access detected [ 19.346912] [ 19.347150] Memory state around the buggy address: [ 19.347760] ffff88810297af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.348266] ffff88810297af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.349309] >ffff88810297b000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.350104] ^ [ 19.350600] ffff88810297b080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 19.351209] ffff88810297b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.351950] ==================================================================
[ 20.463539] ================================================================== [ 20.464580] BUG: KASAN: double-free in kmem_cache_double_free+0x190/0x3c8 [ 20.465234] Free of addr ffff00000c880000 by task kunit_try_catch/267 [ 20.465830] [ 20.465995] CPU: 3 UID: 0 PID: 267 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT [ 20.466045] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.466059] Hardware name: Radxa ROCK Pi 4B (DT) [ 20.466077] Call trace: [ 20.466089] show_stack+0x20/0x38 (C) [ 20.466121] dump_stack_lvl+0x8c/0xd0 [ 20.466152] print_report+0x118/0x608 [ 20.466181] kasan_report_invalid_free+0xc0/0xe8 [ 20.466212] check_slab_allocation+0xd4/0x108 [ 20.466242] __kasan_slab_pre_free+0x2c/0x48 [ 20.466271] kmem_cache_free+0xf0/0x470 [ 20.466300] kmem_cache_double_free+0x190/0x3c8 [ 20.466335] kunit_try_run_case+0x170/0x3f0 [ 20.466371] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.466410] kthread+0x328/0x630 [ 20.466444] ret_from_fork+0x10/0x20 [ 20.466477] [ 20.472863] Allocated by task 267: [ 20.473189] kasan_save_stack+0x3c/0x68 [ 20.473562] kasan_save_track+0x20/0x40 [ 20.473934] kasan_save_alloc_info+0x40/0x58 [ 20.474347] __kasan_slab_alloc+0xa8/0xb0 [ 20.474735] kmem_cache_alloc_noprof+0x10c/0x3a0 [ 20.475175] kmem_cache_double_free+0x12c/0x3c8 [ 20.475614] kunit_try_run_case+0x170/0x3f0 [ 20.476020] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.476544] kthread+0x328/0x630 [ 20.476867] ret_from_fork+0x10/0x20 [ 20.477217] [ 20.477370] Freed by task 267: [ 20.477664] kasan_save_stack+0x3c/0x68 [ 20.478036] kasan_save_track+0x20/0x40 [ 20.478407] kasan_save_free_info+0x4c/0x78 [ 20.478813] __kasan_slab_free+0x6c/0x98 [ 20.479193] kmem_cache_free+0x260/0x470 [ 20.479572] kmem_cache_double_free+0x140/0x3c8 [ 20.480011] kunit_try_run_case+0x170/0x3f0 [ 20.480415] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.480939] kthread+0x328/0x630 [ 20.481262] ret_from_fork+0x10/0x20 [ 20.481612] [ 20.481765] The buggy address belongs to the object at ffff00000c880000 [ 20.481765] which belongs to the cache test_cache of size 200 [ 20.482890] The buggy address is located 0 bytes inside of [ 20.482890] 200-byte region [ffff00000c880000, ffff00000c8800c8) [ 20.483942] [ 20.484095] The buggy address belongs to the physical page: [ 20.484611] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xc880 [ 20.485336] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 20.486042] flags: 0x3fffe0000000040(head|node=0|zone=0|lastcpupid=0x1ffff) [ 20.486695] page_type: f5(slab) [ 20.487008] raw: 03fffe0000000040 ffff00000ca9e000 dead000000000122 0000000000000000 [ 20.487724] raw: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 20.488440] head: 03fffe0000000040 ffff00000ca9e000 dead000000000122 0000000000000000 [ 20.489164] head: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 20.489887] head: 03fffe0000000001 fffffdffc0322001 00000000ffffffff 00000000ffffffff [ 20.490611] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 20.491327] page dumped because: kasan: bad access detected [ 20.491842] [ 20.491994] Memory state around the buggy address: [ 20.492444] ffff00000c87ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.493110] ffff00000c87ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.493776] >ffff00000c880000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 20.494438] ^ [ 20.494749] ffff00000c880080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 20.495414] ffff00000c880100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.496076] ==================================================================