Date
June 26, 2025, 11:12 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.667853] ================================================================== [ 33.668032] BUG: KASAN: double-free in kmem_cache_double_free+0x190/0x3c8 [ 33.668161] Free of addr ffff000802d0a000 by task kunit_try_catch/258 [ 33.669560] [ 33.671048] CPU: 0 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc3 #1 PREEMPT [ 33.671102] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.671119] Hardware name: WinLink E850-96 board (DT) [ 33.671143] Call trace: [ 33.671159] show_stack+0x20/0x38 (C) [ 33.671194] dump_stack_lvl+0x8c/0xd0 [ 33.671232] print_report+0x118/0x608 [ 33.671266] kasan_report_invalid_free+0xc0/0xe8 [ 33.671299] check_slab_allocation+0xd4/0x108 [ 33.671332] __kasan_slab_pre_free+0x2c/0x48 [ 33.671363] kmem_cache_free+0xf0/0x468 [ 33.671396] kmem_cache_double_free+0x190/0x3c8 [ 33.671431] kunit_try_run_case+0x170/0x3f0 [ 33.671468] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.671509] kthread+0x328/0x630 [ 33.671545] ret_from_fork+0x10/0x20 [ 33.671583] [ 33.742911] Allocated by task 258: [ 33.746299] kasan_save_stack+0x3c/0x68 [ 33.750114] kasan_save_track+0x20/0x40 [ 33.753934] kasan_save_alloc_info+0x40/0x58 [ 33.758187] __kasan_slab_alloc+0xa8/0xb0 [ 33.762180] kmem_cache_alloc_noprof+0x10c/0x398 [ 33.766781] kmem_cache_double_free+0x12c/0x3c8 [ 33.771295] kunit_try_run_case+0x170/0x3f0 [ 33.775461] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.780929] kthread+0x328/0x630 [ 33.784142] ret_from_fork+0x10/0x20 [ 33.787700] [ 33.789178] Freed by task 258: [ 33.792215] kasan_save_stack+0x3c/0x68 [ 33.796034] kasan_save_track+0x20/0x40 [ 33.799853] kasan_save_free_info+0x4c/0x78 [ 33.804020] __kasan_slab_free+0x6c/0x98 [ 33.807926] kmem_cache_free+0x260/0x468 [ 33.811832] kmem_cache_double_free+0x140/0x3c8 [ 33.816346] kunit_try_run_case+0x170/0x3f0 [ 33.820513] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.825982] kthread+0x328/0x630 [ 33.829193] ret_from_fork+0x10/0x20 [ 33.832752] [ 33.834229] The buggy address belongs to the object at ffff000802d0a000 [ 33.834229] which belongs to the cache test_cache of size 200 [ 33.846644] The buggy address is located 0 bytes inside of [ 33.846644] 200-byte region [ffff000802d0a000, ffff000802d0a0c8) [ 33.858186] [ 33.859665] The buggy address belongs to the physical page: [ 33.865222] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x882d0a [ 33.873206] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 33.880846] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 33.887789] page_type: f5(slab) [ 33.890927] raw: 0bfffe0000000040 ffff00080177b900 dead000000000122 0000000000000000 [ 33.898644] raw: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 33.906370] head: 0bfffe0000000040 ffff00080177b900 dead000000000122 0000000000000000 [ 33.914181] head: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 33.921995] head: 0bfffe0000000001 fffffdffe00b4281 00000000ffffffff 00000000ffffffff [ 33.929806] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 33.937612] page dumped because: kasan: bad access detected [ 33.943168] [ 33.944643] Memory state around the buggy address: [ 33.949423] ffff000802d09f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.956626] ffff000802d09f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.963832] >ffff000802d0a000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.971031] ^ [ 33.974247] ffff000802d0a080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 33.981452] ffff000802d0a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.988654] ==================================================================
[ 18.736641] ================================================================== [ 18.736713] BUG: KASAN: double-free in kmem_cache_double_free+0x190/0x3c8 [ 18.736789] Free of addr fff00000c7a34000 by task kunit_try_catch/211 [ 18.736834] [ 18.736885] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc3 #1 PREEMPT [ 18.737022] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.737088] Hardware name: linux,dummy-virt (DT) [ 18.737165] Call trace: [ 18.737215] show_stack+0x20/0x38 (C) [ 18.737267] dump_stack_lvl+0x8c/0xd0 [ 18.737353] print_report+0x118/0x608 [ 18.737399] kasan_report_invalid_free+0xc0/0xe8 [ 18.737520] check_slab_allocation+0xd4/0x108 [ 18.737623] __kasan_slab_pre_free+0x2c/0x48 [ 18.737783] kmem_cache_free+0xf0/0x468 [ 18.737903] kmem_cache_double_free+0x190/0x3c8 [ 18.737996] kunit_try_run_case+0x170/0x3f0 [ 18.738077] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.738257] kthread+0x328/0x630 [ 18.738468] ret_from_fork+0x10/0x20 [ 18.738533] [ 18.738551] Allocated by task 211: [ 18.738582] kasan_save_stack+0x3c/0x68 [ 18.738707] kasan_save_track+0x20/0x40 [ 18.738867] kasan_save_alloc_info+0x40/0x58 [ 18.738999] __kasan_slab_alloc+0xa8/0xb0 [ 18.739075] kmem_cache_alloc_noprof+0x10c/0x398 [ 18.739121] kmem_cache_double_free+0x12c/0x3c8 [ 18.739167] kunit_try_run_case+0x170/0x3f0 [ 18.739251] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.739316] kthread+0x328/0x630 [ 18.739358] ret_from_fork+0x10/0x20 [ 18.739402] [ 18.739428] Freed by task 211: [ 18.739455] kasan_save_stack+0x3c/0x68 [ 18.739490] kasan_save_track+0x20/0x40 [ 18.739525] kasan_save_free_info+0x4c/0x78 [ 18.739567] __kasan_slab_free+0x6c/0x98 [ 18.739603] kmem_cache_free+0x260/0x468 [ 18.739639] kmem_cache_double_free+0x140/0x3c8 [ 18.739679] kunit_try_run_case+0x170/0x3f0 [ 18.739723] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.739768] kthread+0x328/0x630 [ 18.739802] ret_from_fork+0x10/0x20 [ 18.739836] [ 18.739865] The buggy address belongs to the object at fff00000c7a34000 [ 18.739865] which belongs to the cache test_cache of size 200 [ 18.739929] The buggy address is located 0 bytes inside of [ 18.739929] 200-byte region [fff00000c7a34000, fff00000c7a340c8) [ 18.740012] [ 18.740037] The buggy address belongs to the physical page: [ 18.740070] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107a34 [ 18.740128] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.740470] page_type: f5(slab) [ 18.740619] raw: 0bfffe0000000000 fff00000c59d6500 dead000000000122 0000000000000000 [ 18.740729] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 18.740773] page dumped because: kasan: bad access detected [ 18.740825] [ 18.740844] Memory state around the buggy address: [ 18.740890] fff00000c7a33f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 18.740965] fff00000c7a33f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 18.741183] >fff00000c7a34000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.741247] ^ [ 18.741324] fff00000c7a34080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 18.741479] fff00000c7a34100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.741556] ==================================================================
[ 11.625313] ================================================================== [ 11.626445] BUG: KASAN: double-free in kmem_cache_double_free+0x1e5/0x480 [ 11.627077] Free of addr ffff888102a01000 by task kunit_try_catch/228 [ 11.627789] [ 11.628046] CPU: 0 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc3 #1 PREEMPT(voluntary) [ 11.628099] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.628111] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.628133] Call Trace: [ 11.628147] <TASK> [ 11.628168] dump_stack_lvl+0x73/0xb0 [ 11.628199] print_report+0xd1/0x650 [ 11.628223] ? __virt_addr_valid+0x1db/0x2d0 [ 11.628253] ? kasan_complete_mode_report_info+0x64/0x200 [ 11.628275] ? kmem_cache_double_free+0x1e5/0x480 [ 11.628296] kasan_report_invalid_free+0x10a/0x130 [ 11.628320] ? kmem_cache_double_free+0x1e5/0x480 [ 11.628342] ? kmem_cache_double_free+0x1e5/0x480 [ 11.628362] check_slab_allocation+0x101/0x130 [ 11.628383] __kasan_slab_pre_free+0x28/0x40 [ 11.628404] kmem_cache_free+0xed/0x420 [ 11.628425] ? kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.628446] ? kmem_cache_double_free+0x1e5/0x480 [ 11.628469] kmem_cache_double_free+0x1e5/0x480 [ 11.628489] ? __pfx_kmem_cache_double_free+0x10/0x10 [ 11.628508] ? finish_task_switch.isra.0+0x153/0x700 [ 11.628533] ? __switch_to+0x5d9/0xf60 [ 11.628554] ? dequeue_task_fair+0x166/0x4e0 [ 11.628581] ? __pfx_read_tsc+0x10/0x10 [ 11.628601] ? ktime_get_ts64+0x86/0x230 [ 11.628641] kunit_try_run_case+0x1a5/0x480 [ 11.628668] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.628689] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.628714] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.628756] ? __kthread_parkme+0x82/0x180 [ 11.628779] ? preempt_count_sub+0x50/0x80 [ 11.628804] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.628827] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.628850] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.628872] kthread+0x337/0x6f0 [ 11.628889] ? trace_preempt_on+0x20/0xc0 [ 11.628913] ? __pfx_kthread+0x10/0x10 [ 11.628942] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.628963] ? calculate_sigpending+0x7b/0xa0 [ 11.628985] ? __pfx_kthread+0x10/0x10 [ 11.629003] ret_from_fork+0x41/0x80 [ 11.629024] ? __pfx_kthread+0x10/0x10 [ 11.629041] ret_from_fork_asm+0x1a/0x30 [ 11.629073] </TASK> [ 11.629085] [ 11.643493] Allocated by task 228: [ 11.643715] kasan_save_stack+0x45/0x70 [ 11.644082] kasan_save_track+0x18/0x40 [ 11.644442] kasan_save_alloc_info+0x3b/0x50 [ 11.644869] __kasan_slab_alloc+0x91/0xa0 [ 11.645206] kmem_cache_alloc_noprof+0x123/0x3f0 [ 11.645372] kmem_cache_double_free+0x14f/0x480 [ 11.645522] kunit_try_run_case+0x1a5/0x480 [ 11.645932] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.646399] kthread+0x337/0x6f0 [ 11.646723] ret_from_fork+0x41/0x80 [ 11.647109] ret_from_fork_asm+0x1a/0x30 [ 11.647475] [ 11.647651] Freed by task 228: [ 11.647957] kasan_save_stack+0x45/0x70 [ 11.648100] kasan_save_track+0x18/0x40 [ 11.648233] kasan_save_free_info+0x3f/0x60 [ 11.648379] __kasan_slab_free+0x56/0x70 [ 11.648514] kmem_cache_free+0x249/0x420 [ 11.648666] kmem_cache_double_free+0x16a/0x480 [ 11.648828] kunit_try_run_case+0x1a5/0x480 [ 11.649249] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.649792] kthread+0x337/0x6f0 [ 11.649955] ret_from_fork+0x41/0x80 [ 11.650085] ret_from_fork_asm+0x1a/0x30 [ 11.650221] [ 11.650292] The buggy address belongs to the object at ffff888102a01000 [ 11.650292] which belongs to the cache test_cache of size 200 [ 11.650695] The buggy address is located 0 bytes inside of [ 11.650695] 200-byte region [ffff888102a01000, ffff888102a010c8) [ 11.651127] [ 11.651238] The buggy address belongs to the physical page: [ 11.651491] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a01 [ 11.651962] flags: 0x200000000000000(node=0|zone=2) [ 11.652163] page_type: f5(slab) [ 11.652299] raw: 0200000000000000 ffff888102109140 dead000000000122 0000000000000000 [ 11.652685] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 11.653070] page dumped because: kasan: bad access detected [ 11.653286] [ 11.653378] Memory state around the buggy address: [ 11.653599] ffff888102a00f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.653927] ffff888102a00f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.654224] >ffff888102a01000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.654500] ^ [ 11.654689] ffff888102a01080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc [ 11.655037] ffff888102a01100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.655301] ==================================================================