Date
July 8, 2025, 7:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.067030] ================================================================== [ 19.067220] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 19.067343] Free of addr fff00000c7814001 by task kunit_try_catch/150 [ 19.067427] [ 19.067472] CPU: 1 UID: 0 PID: 150 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.067761] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.067940] Hardware name: linux,dummy-virt (DT) [ 19.067975] Call trace: [ 19.067997] show_stack+0x20/0x38 (C) [ 19.068046] dump_stack_lvl+0x8c/0xd0 [ 19.068260] print_report+0x118/0x608 [ 19.068481] kasan_report_invalid_free+0xc0/0xe8 [ 19.068629] __kasan_kfree_large+0x5c/0xa8 [ 19.068755] free_large_kmalloc+0x64/0x190 [ 19.068808] kfree+0x270/0x3c8 [ 19.068847] kmalloc_large_invalid_free+0x108/0x270 [ 19.068902] kunit_try_run_case+0x170/0x3f0 [ 19.068955] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.069010] kthread+0x328/0x630 [ 19.069054] ret_from_fork+0x10/0x20 [ 19.069101] [ 19.069135] The buggy address belongs to the physical page: [ 19.069166] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107814 [ 19.069217] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.069271] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.069328] page_type: f8(unknown) [ 19.069365] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.069422] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.069486] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.069533] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.069579] head: 0bfffe0000000002 ffffc1ffc31e0501 00000000ffffffff 00000000ffffffff [ 19.069626] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 19.069665] page dumped because: kasan: bad access detected [ 19.069694] [ 19.069721] Memory state around the buggy address: [ 19.069972] fff00000c7813f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.070392] fff00000c7813f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.070857] >fff00000c7814000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.070995] ^ [ 19.071104] fff00000c7814080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.071267] fff00000c7814100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.071384] ==================================================================
[ 12.358386] ================================================================== [ 12.359534] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 12.360002] Free of addr ffff888102b68001 by task kunit_try_catch/167 [ 12.360600] [ 12.360794] CPU: 0 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.360840] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.360852] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.360873] Call Trace: [ 12.360885] <TASK> [ 12.360903] dump_stack_lvl+0x73/0xb0 [ 12.360935] print_report+0xd1/0x650 [ 12.360958] ? __virt_addr_valid+0x1db/0x2d0 [ 12.360981] ? kasan_addr_to_slab+0x11/0xa0 [ 12.361000] ? kfree+0x274/0x3f0 [ 12.361021] kasan_report_invalid_free+0x10a/0x130 [ 12.361057] ? kfree+0x274/0x3f0 [ 12.361080] ? kfree+0x274/0x3f0 [ 12.361099] __kasan_kfree_large+0x86/0xd0 [ 12.361119] free_large_kmalloc+0x4b/0x110 [ 12.361141] kfree+0x274/0x3f0 [ 12.361166] kmalloc_large_invalid_free+0x120/0x2b0 [ 12.361189] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 12.361211] ? __schedule+0x10cc/0x2b60 [ 12.361233] ? __pfx_read_tsc+0x10/0x10 [ 12.361253] ? ktime_get_ts64+0x86/0x230 [ 12.361277] kunit_try_run_case+0x1a5/0x480 [ 12.361301] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.361322] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.361345] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.361367] ? __kthread_parkme+0x82/0x180 [ 12.361387] ? preempt_count_sub+0x50/0x80 [ 12.361409] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.361431] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.361453] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.361475] kthread+0x337/0x6f0 [ 12.361493] ? trace_preempt_on+0x20/0xc0 [ 12.361515] ? __pfx_kthread+0x10/0x10 [ 12.361534] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.361562] ? calculate_sigpending+0x7b/0xa0 [ 12.361586] ? __pfx_kthread+0x10/0x10 [ 12.361606] ret_from_fork+0x116/0x1d0 [ 12.361623] ? __pfx_kthread+0x10/0x10 [ 12.361643] ret_from_fork_asm+0x1a/0x30 [ 12.361674] </TASK> [ 12.361686] [ 12.374028] The buggy address belongs to the physical page: [ 12.374683] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b68 [ 12.375521] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.376263] flags: 0x200000000000040(head|node=0|zone=2) [ 12.376859] page_type: f8(unknown) [ 12.377134] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.377370] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.377729] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.378534] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.379383] head: 0200000000000002 ffffea00040ada01 00000000ffffffff 00000000ffffffff [ 12.380297] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.380874] page dumped because: kasan: bad access detected [ 12.381366] [ 12.381477] Memory state around the buggy address: [ 12.381670] ffff888102b67f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.382305] ffff888102b67f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.383014] >ffff888102b68000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.383696] ^ [ 12.383822] ffff888102b68080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.384053] ffff888102b68100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.384299] ==================================================================