Date
July 17, 2025, 10:12 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 29.344508] ================================================================== [ 29.344823] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 29.344891] Free of addr fff00000c9190001 by task kunit_try_catch/181 [ 29.345305] [ 29.345354] CPU: 1 UID: 0 PID: 181 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250717 #1 PREEMPT [ 29.345512] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.345602] Hardware name: linux,dummy-virt (DT) [ 29.345757] Call trace: [ 29.345838] show_stack+0x20/0x38 (C) [ 29.346298] dump_stack_lvl+0x8c/0xd0 [ 29.346392] print_report+0x118/0x5d0 [ 29.346464] kasan_report_invalid_free+0xc0/0xe8 [ 29.346818] __kasan_kfree_large+0x5c/0xa8 [ 29.346874] free_large_kmalloc+0x68/0x150 [ 29.347085] kfree+0x270/0x3c8 [ 29.347267] kmalloc_large_invalid_free+0x108/0x270 [ 29.347400] kunit_try_run_case+0x170/0x3f0 [ 29.347672] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.347775] kthread+0x328/0x630 [ 29.347996] ret_from_fork+0x10/0x20 [ 29.348445] [ 29.348652] The buggy address belongs to the physical page: [ 29.348770] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109190 [ 29.348856] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 29.348979] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 29.349138] page_type: f8(unknown) [ 29.349233] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 29.349350] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 29.349401] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 29.349448] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 29.349952] head: 0bfffe0000000002 ffffc1ffc3246401 00000000ffffffff 00000000ffffffff [ 29.350097] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 29.350180] page dumped because: kasan: bad access detected [ 29.350388] [ 29.350555] Memory state around the buggy address: [ 29.350604] fff00000c918ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.350873] fff00000c918ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.351145] >fff00000c9190000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.351360] ^ [ 29.351449] fff00000c9190080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.351540] fff00000c9190100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.351636] ==================================================================
[ 25.247278] ================================================================== [ 25.249424] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 25.250367] Free of addr ffff888105f54001 by task kunit_try_catch/199 [ 25.250582] [ 25.250665] CPU: 1 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250717 #1 PREEMPT(voluntary) [ 25.250715] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.250726] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.250746] Call Trace: [ 25.250759] <TASK> [ 25.250774] dump_stack_lvl+0x73/0xb0 [ 25.250803] print_report+0xd1/0x610 [ 25.250860] ? __virt_addr_valid+0x1db/0x2d0 [ 25.250884] ? kasan_addr_to_slab+0x11/0xa0 [ 25.250903] ? kfree+0x274/0x3f0 [ 25.250923] kasan_report_invalid_free+0x10a/0x130 [ 25.250946] ? kfree+0x274/0x3f0 [ 25.250969] ? kfree+0x274/0x3f0 [ 25.250988] __kasan_kfree_large+0x86/0xd0 [ 25.251009] free_large_kmalloc+0x52/0x110 [ 25.251032] kfree+0x274/0x3f0 [ 25.251069] kmalloc_large_invalid_free+0x120/0x2b0 [ 25.251102] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 25.251125] ? __schedule+0x10c6/0x2b60 [ 25.251968] ? __pfx_read_tsc+0x10/0x10 [ 25.252186] ? ktime_get_ts64+0x86/0x230 [ 25.252217] kunit_try_run_case+0x1a5/0x480 [ 25.252257] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.252289] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.253552] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.253578] ? __kthread_parkme+0x82/0x180 [ 25.253602] ? preempt_count_sub+0x50/0x80 [ 25.253625] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.253647] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.253670] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.253692] kthread+0x337/0x6f0 [ 25.253710] ? trace_preempt_on+0x20/0xc0 [ 25.253733] ? __pfx_kthread+0x10/0x10 [ 25.253752] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.253772] ? calculate_sigpending+0x7b/0xa0 [ 25.253794] ? __pfx_kthread+0x10/0x10 [ 25.253814] ret_from_fork+0x116/0x1d0 [ 25.253832] ? __pfx_kthread+0x10/0x10 [ 25.253851] ret_from_fork_asm+0x1a/0x30 [ 25.253881] </TASK> [ 25.253891] [ 25.265060] The buggy address belongs to the physical page: [ 25.265242] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105f54 [ 25.265600] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 25.266139] flags: 0x200000000000040(head|node=0|zone=2) [ 25.266769] page_type: f8(unknown) [ 25.267213] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.267595] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.267838] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.268095] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.268815] head: 0200000000000002 ffffea000417d501 00000000ffffffff 00000000ffffffff [ 25.269176] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 25.269618] page dumped because: kasan: bad access detected [ 25.269823] [ 25.269887] Memory state around the buggy address: [ 25.270120] ffff888105f53f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.270968] ffff888105f53f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.271247] >ffff888105f54000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.271822] ^ [ 25.271984] ffff888105f54080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.272277] ffff888105f54100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.272835] ==================================================================