Date
July 1, 2025, 3:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.772678] ================================================================== [ 16.772772] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 16.772912] Free of addr fff00000c692c001 by task kunit_try_catch/151 [ 16.772965] [ 16.773000] CPU: 1 UID: 0 PID: 151 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 16.773123] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.773188] Hardware name: linux,dummy-virt (DT) [ 16.773220] Call trace: [ 16.773242] show_stack+0x20/0x38 (C) [ 16.773520] dump_stack_lvl+0x8c/0xd0 [ 16.773739] print_report+0x118/0x608 [ 16.773798] kasan_report_invalid_free+0xc0/0xe8 [ 16.773846] __kasan_kfree_large+0x5c/0xa8 [ 16.773893] free_large_kmalloc+0x64/0x190 [ 16.773947] kfree+0x270/0x3c8 [ 16.773988] kmalloc_large_invalid_free+0x108/0x270 [ 16.774044] kunit_try_run_case+0x170/0x3f0 [ 16.774090] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.774404] kthread+0x328/0x630 [ 16.774444] ret_from_fork+0x10/0x20 [ 16.774490] [ 16.774510] The buggy address belongs to the physical page: [ 16.774543] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10692c [ 16.774608] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.774711] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 16.774877] page_type: f8(unknown) [ 16.775012] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.775134] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.775209] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.775559] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.775738] head: 0bfffe0000000002 ffffc1ffc31a4b01 00000000ffffffff 00000000ffffffff [ 16.775828] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 16.775933] page dumped because: kasan: bad access detected [ 16.775964] [ 16.775983] Memory state around the buggy address: [ 16.776043] fff00000c692bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.776263] fff00000c692bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.776610] >fff00000c692c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.776674] ^ [ 16.776744] fff00000c692c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.776820] fff00000c692c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.776911] ==================================================================
[ 11.065861] ================================================================== [ 11.066365] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 11.066631] Free of addr ffff888102914001 by task kunit_try_catch/167 [ 11.066922] [ 11.067066] CPU: 0 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.067113] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.067125] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.067147] Call Trace: [ 11.067160] <TASK> [ 11.067180] dump_stack_lvl+0x73/0xb0 [ 11.067210] print_report+0xd1/0x650 [ 11.067233] ? __virt_addr_valid+0x1db/0x2d0 [ 11.067258] ? kasan_addr_to_slab+0x11/0xa0 [ 11.067277] ? kfree+0x274/0x3f0 [ 11.067299] kasan_report_invalid_free+0x10a/0x130 [ 11.067322] ? kfree+0x274/0x3f0 [ 11.067345] ? kfree+0x274/0x3f0 [ 11.067364] __kasan_kfree_large+0x86/0xd0 [ 11.067384] free_large_kmalloc+0x4b/0x110 [ 11.067406] kfree+0x274/0x3f0 [ 11.067430] kmalloc_large_invalid_free+0x120/0x2b0 [ 11.067451] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 11.067475] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 11.067500] kunit_try_run_case+0x1a5/0x480 [ 11.067525] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.067545] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.067567] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.067588] ? __kthread_parkme+0x82/0x180 [ 11.067608] ? preempt_count_sub+0x50/0x80 [ 11.067632] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.067653] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.067675] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.067696] kthread+0x337/0x6f0 [ 11.067714] ? trace_preempt_on+0x20/0xc0 [ 11.067736] ? __pfx_kthread+0x10/0x10 [ 11.067755] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.067775] ? calculate_sigpending+0x7b/0xa0 [ 11.067797] ? __pfx_kthread+0x10/0x10 [ 11.067817] ret_from_fork+0x116/0x1d0 [ 11.067835] ? __pfx_kthread+0x10/0x10 [ 11.067854] ret_from_fork_asm+0x1a/0x30 [ 11.067884] </TASK> [ 11.067895] [ 11.074584] The buggy address belongs to the physical page: [ 11.074861] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102914 [ 11.075120] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.075451] flags: 0x200000000000040(head|node=0|zone=2) [ 11.075778] page_type: f8(unknown) [ 11.075957] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.076320] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.076557] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.076844] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.077208] head: 0200000000000002 ffffea00040a4501 00000000ffffffff 00000000ffffffff [ 11.077547] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 11.077805] page dumped because: kasan: bad access detected [ 11.078215] [ 11.078292] Memory state around the buggy address: [ 11.078449] ffff888102913f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.078663] ffff888102913f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.079079] >ffff888102914000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.079391] ^ [ 11.079555] ffff888102914080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.080126] ffff888102914100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.080369] ==================================================================