Date
July 5, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.893967] ================================================================== [ 17.894048] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 17.894105] Free of addr fff00000c782c001 by task kunit_try_catch/150 [ 17.894147] [ 17.894239] CPU: 0 UID: 0 PID: 150 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 17.894341] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.894376] Hardware name: linux,dummy-virt (DT) [ 17.894405] Call trace: [ 17.894427] show_stack+0x20/0x38 (C) [ 17.894495] dump_stack_lvl+0x8c/0xd0 [ 17.894539] print_report+0x118/0x608 [ 17.894759] kasan_report_invalid_free+0xc0/0xe8 [ 17.894838] __kasan_kfree_large+0x5c/0xa8 [ 17.894932] free_large_kmalloc+0x64/0x190 [ 17.894982] kfree+0x270/0x3c8 [ 17.895023] kmalloc_large_invalid_free+0x108/0x270 [ 17.895087] kunit_try_run_case+0x170/0x3f0 [ 17.895132] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.895194] kthread+0x328/0x630 [ 17.895233] ret_from_fork+0x10/0x20 [ 17.895339] [ 17.895361] The buggy address belongs to the physical page: [ 17.895391] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10782c [ 17.895796] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 17.895858] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 17.896113] page_type: f8(unknown) [ 17.896245] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.896360] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.896536] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.896601] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.896667] head: 0bfffe0000000002 ffffc1ffc31e0b01 00000000ffffffff 00000000ffffffff [ 17.896745] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 17.896783] page dumped because: kasan: bad access detected [ 17.896813] [ 17.897083] Memory state around the buggy address: [ 17.897135] fff00000c782bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.897302] fff00000c782bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.897446] >fff00000c782c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.897576] ^ [ 17.897634] fff00000c782c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.897765] fff00000c782c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.897873] ==================================================================
[ 12.993292] ================================================================== [ 12.994095] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 12.994372] Free of addr ffff888102afc001 by task kunit_try_catch/168 [ 12.994626] [ 12.994804] CPU: 0 UID: 0 PID: 168 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 12.994865] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.994878] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.994904] Call Trace: [ 12.994922] <TASK> [ 12.994946] dump_stack_lvl+0x73/0xb0 [ 12.994984] print_report+0xd1/0x650 [ 12.995011] ? __virt_addr_valid+0x1db/0x2d0 [ 12.995041] ? kasan_addr_to_slab+0x11/0xa0 [ 12.995064] ? kfree+0x274/0x3f0 [ 12.995089] kasan_report_invalid_free+0x10a/0x130 [ 12.995116] ? kfree+0x274/0x3f0 [ 12.995593] ? kfree+0x274/0x3f0 [ 12.995631] __kasan_kfree_large+0x86/0xd0 [ 12.995659] free_large_kmalloc+0x4b/0x110 [ 12.995687] kfree+0x274/0x3f0 [ 12.995716] kmalloc_large_invalid_free+0x120/0x2b0 [ 12.995744] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 12.995770] ? __schedule+0x10cc/0x2b60 [ 12.995812] ? __pfx_read_tsc+0x10/0x10 [ 12.995838] ? ktime_get_ts64+0x86/0x230 [ 12.995867] kunit_try_run_case+0x1a5/0x480 [ 12.995897] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.995922] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.995949] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.995974] ? __kthread_parkme+0x82/0x180 [ 12.995998] ? preempt_count_sub+0x50/0x80 [ 12.996026] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.996053] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.996078] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.996104] kthread+0x337/0x6f0 [ 12.996127] ? trace_preempt_on+0x20/0xc0 [ 12.996156] ? __pfx_kthread+0x10/0x10 [ 12.996180] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.996203] ? calculate_sigpending+0x7b/0xa0 [ 12.996232] ? __pfx_kthread+0x10/0x10 [ 12.996256] ret_from_fork+0x116/0x1d0 [ 12.996277] ? __pfx_kthread+0x10/0x10 [ 12.996300] ret_from_fork_asm+0x1a/0x30 [ 12.996336] </TASK> [ 12.996350] [ 13.010160] The buggy address belongs to the physical page: [ 13.010813] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102afc [ 13.011714] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 13.012328] flags: 0x200000000000040(head|node=0|zone=2) [ 13.012837] page_type: f8(unknown) [ 13.013046] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.013837] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.014372] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.014747] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.015346] head: 0200000000000002 ffffea00040abf01 00000000ffffffff 00000000ffffffff [ 13.015954] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 13.016879] page dumped because: kasan: bad access detected [ 13.017495] [ 13.017588] Memory state around the buggy address: [ 13.018011] ffff888102afbf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.018841] ffff888102afbf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.019955] >ffff888102afc000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.020531] ^ [ 13.020716] ffff888102afc080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.021077] ffff888102afc100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.021905] ==================================================================