Date
July 12, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.509845] ================================================================== [ 16.509935] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 16.509996] Free of addr fff00000c6654001 by task kunit_try_catch/150 [ 16.510041] [ 16.510071] CPU: 1 UID: 0 PID: 150 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.510820] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.511453] Hardware name: linux,dummy-virt (DT) [ 16.511491] Call trace: [ 16.511513] show_stack+0x20/0x38 (C) [ 16.511894] dump_stack_lvl+0x8c/0xd0 [ 16.511957] print_report+0x118/0x5d0 [ 16.512011] kasan_report_invalid_free+0xc0/0xe8 [ 16.512163] __kasan_kfree_large+0x5c/0xa8 [ 16.512223] free_large_kmalloc+0x64/0x190 [ 16.512267] kfree+0x270/0x3c8 [ 16.512309] kmalloc_large_invalid_free+0x108/0x270 [ 16.512356] kunit_try_run_case+0x170/0x3f0 [ 16.512401] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.512451] kthread+0x328/0x630 [ 16.512740] ret_from_fork+0x10/0x20 [ 16.512811] [ 16.512832] The buggy address belongs to the physical page: [ 16.512973] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106654 [ 16.513043] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.513670] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 16.513736] page_type: f8(unknown) [ 16.514096] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.514156] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.514215] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.514264] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.514792] head: 0bfffe0000000002 ffffc1ffc3199501 00000000ffffffff 00000000ffffffff [ 16.515063] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 16.515251] page dumped because: kasan: bad access detected [ 16.515372] [ 16.515391] Memory state around the buggy address: [ 16.515424] fff00000c6653f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.515493] fff00000c6653f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.515705] >fff00000c6654000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.515813] ^ [ 16.515841] fff00000c6654080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.516000] fff00000c6654100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.516057] ==================================================================
[ 12.459926] ================================================================== [ 12.460725] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 12.460936] Free of addr ffff888102be8001 by task kunit_try_catch/167 [ 12.461168] [ 12.461311] CPU: 1 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.461355] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.461365] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.461387] Call Trace: [ 12.461399] <TASK> [ 12.461668] dump_stack_lvl+0x73/0xb0 [ 12.461710] print_report+0xd1/0x610 [ 12.461734] ? __virt_addr_valid+0x1db/0x2d0 [ 12.461759] ? kasan_addr_to_slab+0x11/0xa0 [ 12.461778] ? kfree+0x274/0x3f0 [ 12.461799] kasan_report_invalid_free+0x10a/0x130 [ 12.461824] ? kfree+0x274/0x3f0 [ 12.461846] ? kfree+0x274/0x3f0 [ 12.461866] __kasan_kfree_large+0x86/0xd0 [ 12.461887] free_large_kmalloc+0x4b/0x110 [ 12.461911] kfree+0x274/0x3f0 [ 12.461935] kmalloc_large_invalid_free+0x120/0x2b0 [ 12.461958] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 12.462057] ? __schedule+0x10cc/0x2b60 [ 12.462082] ? __pfx_read_tsc+0x10/0x10 [ 12.462207] ? ktime_get_ts64+0x86/0x230 [ 12.462232] kunit_try_run_case+0x1a5/0x480 [ 12.462258] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.462293] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.462317] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.462341] ? __kthread_parkme+0x82/0x180 [ 12.462362] ? preempt_count_sub+0x50/0x80 [ 12.462386] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.462410] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.462434] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.462459] kthread+0x337/0x6f0 [ 12.462478] ? trace_preempt_on+0x20/0xc0 [ 12.462502] ? __pfx_kthread+0x10/0x10 [ 12.462522] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.462543] ? calculate_sigpending+0x7b/0xa0 [ 12.462568] ? __pfx_kthread+0x10/0x10 [ 12.462588] ret_from_fork+0x116/0x1d0 [ 12.462606] ? __pfx_kthread+0x10/0x10 [ 12.462627] ret_from_fork_asm+0x1a/0x30 [ 12.462658] </TASK> [ 12.462668] [ 12.472893] The buggy address belongs to the physical page: [ 12.473305] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102be8 [ 12.473837] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.474416] flags: 0x200000000000040(head|node=0|zone=2) [ 12.474789] page_type: f8(unknown) [ 12.475112] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.475675] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.476020] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.477110] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.477725] head: 0200000000000002 ffffea00040afa01 00000000ffffffff 00000000ffffffff [ 12.478407] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.478636] page dumped because: kasan: bad access detected [ 12.478810] [ 12.478878] Memory state around the buggy address: [ 12.479048] ffff888102be7f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.479974] ffff888102be7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.480556] >ffff888102be8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.480994] ^ [ 12.481403] ffff888102be8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.481888] ffff888102be8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.482506] ==================================================================