Date
July 8, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.923440] ================================================================== [ 30.923525] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 30.923588] Free of addr fff00000c9a24001 by task kunit_try_catch/181 [ 30.923631] [ 30.923661] CPU: 0 UID: 0 PID: 181 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250708 #1 PREEMPT [ 30.923783] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.923943] Hardware name: linux,dummy-virt (DT) [ 30.923993] Call trace: [ 30.924045] show_stack+0x20/0x38 (C) [ 30.924126] dump_stack_lvl+0x8c/0xd0 [ 30.924174] print_report+0x118/0x5d0 [ 30.924242] kasan_report_invalid_free+0xc0/0xe8 [ 30.924293] __kasan_kfree_large+0x5c/0xa8 [ 30.924340] free_large_kmalloc+0x68/0x150 [ 30.924386] kfree+0x270/0x3c8 [ 30.924428] kmalloc_large_invalid_free+0x108/0x270 [ 30.924476] kunit_try_run_case+0x170/0x3f0 [ 30.924525] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.924595] kthread+0x328/0x630 [ 30.924637] ret_from_fork+0x10/0x20 [ 30.924787] [ 30.924839] The buggy address belongs to the physical page: [ 30.924933] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109a24 [ 30.925013] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 30.925127] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 30.925223] page_type: f8(unknown) [ 30.925262] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 30.925335] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 30.925603] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 30.925658] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 30.925705] head: 0bfffe0000000002 ffffc1ffc3268901 00000000ffffffff 00000000ffffffff [ 30.925752] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 30.925790] page dumped because: kasan: bad access detected [ 30.925820] [ 30.925837] Memory state around the buggy address: [ 30.925867] fff00000c9a23f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.925943] fff00000c9a23f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.926003] >fff00000c9a24000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.926071] ^ [ 30.926099] fff00000c9a24080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.926146] fff00000c9a24100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.926235] ==================================================================
[ 22.902379] ================================================================== [ 22.903035] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 22.903352] Free of addr ffff888106314001 by task kunit_try_catch/198 [ 22.903629] [ 22.903742] CPU: 0 UID: 0 PID: 198 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250708 #1 PREEMPT(voluntary) [ 22.904133] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.904150] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.904175] Call Trace: [ 22.904191] <TASK> [ 22.904211] dump_stack_lvl+0x73/0xb0 [ 22.904281] print_report+0xd1/0x610 [ 22.904307] ? __virt_addr_valid+0x1db/0x2d0 [ 22.904334] ? kasan_addr_to_slab+0x11/0xa0 [ 22.904353] ? kfree+0x274/0x3f0 [ 22.904377] kasan_report_invalid_free+0x10a/0x130 [ 22.904402] ? kfree+0x274/0x3f0 [ 22.904427] ? kfree+0x274/0x3f0 [ 22.904450] __kasan_kfree_large+0x86/0xd0 [ 22.904471] free_large_kmalloc+0x52/0x110 [ 22.904496] kfree+0x274/0x3f0 [ 22.904523] kmalloc_large_invalid_free+0x120/0x2b0 [ 22.904546] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 22.904571] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 22.904597] kunit_try_run_case+0x1a5/0x480 [ 22.904620] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.904641] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 22.904663] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.904692] ? __kthread_parkme+0x82/0x180 [ 22.904713] ? preempt_count_sub+0x50/0x80 [ 22.904737] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.905054] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.905085] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.905113] kthread+0x337/0x6f0 [ 22.905135] ? trace_preempt_on+0x20/0xc0 [ 22.905161] ? __pfx_kthread+0x10/0x10 [ 22.905184] ? _raw_spin_unlock_irq+0x47/0x80 [ 22.905220] ? calculate_sigpending+0x7b/0xa0 [ 22.905261] ? __pfx_kthread+0x10/0x10 [ 22.905284] ret_from_fork+0x116/0x1d0 [ 22.905306] ? __pfx_kthread+0x10/0x10 [ 22.905328] ret_from_fork_asm+0x1a/0x30 [ 22.905363] </TASK> [ 22.905374] [ 22.917269] The buggy address belongs to the physical page: [ 22.917484] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106314 [ 22.917954] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 22.918264] flags: 0x200000000000040(head|node=0|zone=2) [ 22.919071] page_type: f8(unknown) [ 22.919372] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 22.919854] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 22.920338] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 22.920740] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 22.921268] head: 0200000000000002 ffffea000418c501 00000000ffffffff 00000000ffffffff [ 22.921598] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 22.921996] page dumped because: kasan: bad access detected [ 22.922327] [ 22.922393] Memory state around the buggy address: [ 22.923230] ffff888106313f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.923543] ffff888106313f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.924138] >ffff888106314000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.924534] ^ [ 22.924797] ffff888106314080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.925327] ffff888106314100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.925815] ==================================================================