Date
July 3, 2025, 6:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.563786] ================================================================== [ 16.564209] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 16.564572] Free of addr fff00000c7804001 by task kunit_try_catch/150 [ 16.564675] [ 16.564735] CPU: 0 UID: 0 PID: 150 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 16.564961] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.565261] Hardware name: linux,dummy-virt (DT) [ 16.565303] Call trace: [ 16.565325] show_stack+0x20/0x38 (C) [ 16.565607] dump_stack_lvl+0x8c/0xd0 [ 16.565669] print_report+0x118/0x608 [ 16.565797] kasan_report_invalid_free+0xc0/0xe8 [ 16.565851] __kasan_kfree_large+0x5c/0xa8 [ 16.565919] free_large_kmalloc+0x64/0x190 [ 16.566156] kfree+0x270/0x3c8 [ 16.566352] kmalloc_large_invalid_free+0x108/0x270 [ 16.566570] kunit_try_run_case+0x170/0x3f0 [ 16.566705] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.566777] kthread+0x328/0x630 [ 16.566981] ret_from_fork+0x10/0x20 [ 16.567208] [ 16.567244] The buggy address belongs to the physical page: [ 16.567275] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107804 [ 16.567329] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.567401] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 16.567453] page_type: f8(unknown) [ 16.567490] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.567537] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.567584] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.567651] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.567698] head: 0bfffe0000000002 ffffc1ffc31e0101 00000000ffffffff 00000000ffffffff [ 16.567743] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 16.567780] page dumped because: kasan: bad access detected [ 16.567810] [ 16.567827] Memory state around the buggy address: [ 16.567857] fff00000c7803f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.567897] fff00000c7803f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.567937] >fff00000c7804000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.567972] ^ [ 16.567999] fff00000c7804080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.568059] fff00000c7804100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.568129] ==================================================================
[ 11.007542] ================================================================== [ 11.008040] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 11.009090] Free of addr ffff8881029fc001 by task kunit_try_catch/168 [ 11.010015] [ 11.010373] CPU: 0 UID: 0 PID: 168 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.010418] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.010430] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.010450] Call Trace: [ 11.010462] <TASK> [ 11.010476] dump_stack_lvl+0x73/0xb0 [ 11.010503] print_report+0xd1/0x650 [ 11.010524] ? __virt_addr_valid+0x1db/0x2d0 [ 11.010546] ? kasan_addr_to_slab+0x11/0xa0 [ 11.010565] ? kfree+0x274/0x3f0 [ 11.010586] kasan_report_invalid_free+0x10a/0x130 [ 11.010609] ? kfree+0x274/0x3f0 [ 11.010631] ? kfree+0x274/0x3f0 [ 11.010650] __kasan_kfree_large+0x86/0xd0 [ 11.010670] free_large_kmalloc+0x4b/0x110 [ 11.010693] kfree+0x274/0x3f0 [ 11.010717] kmalloc_large_invalid_free+0x120/0x2b0 [ 11.010738] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 11.010760] ? __schedule+0x10cc/0x2b60 [ 11.010780] ? __pfx_read_tsc+0x10/0x10 [ 11.010799] ? ktime_get_ts64+0x86/0x230 [ 11.010821] kunit_try_run_case+0x1a5/0x480 [ 11.010843] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.010864] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.010885] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.010906] ? __kthread_parkme+0x82/0x180 [ 11.010925] ? preempt_count_sub+0x50/0x80 [ 11.010947] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.010969] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.010990] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.011012] kthread+0x337/0x6f0 [ 11.011030] ? trace_preempt_on+0x20/0xc0 [ 11.011052] ? __pfx_kthread+0x10/0x10 [ 11.011072] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.011091] ? calculate_sigpending+0x7b/0xa0 [ 11.011125] ? __pfx_kthread+0x10/0x10 [ 11.011146] ret_from_fork+0x116/0x1d0 [ 11.011164] ? __pfx_kthread+0x10/0x10 [ 11.011183] ret_from_fork_asm+0x1a/0x30 [ 11.011218] </TASK> [ 11.011229] [ 11.026561] The buggy address belongs to the physical page: [ 11.026761] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029fc [ 11.027013] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.027286] flags: 0x200000000000040(head|node=0|zone=2) [ 11.027982] page_type: f8(unknown) [ 11.028493] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.029366] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.030130] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.031019] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.031813] head: 0200000000000002 ffffea00040a7f01 00000000ffffffff 00000000ffffffff [ 11.032584] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 11.032811] page dumped because: kasan: bad access detected [ 11.032980] [ 11.033048] Memory state around the buggy address: [ 11.033236] ffff8881029fbf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.034074] ffff8881029fbf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.034835] >ffff8881029fc000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.035595] ^ [ 11.035944] ffff8881029fc080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.036670] ffff8881029fc100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.037706] ==================================================================