Date
May 12, 2025, 6:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.034437] ================================================================== [ 18.035245] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 18.035976] Free of addr fff00000c6094001 by task kunit_try_catch/139 [ 18.036777] [ 18.037147] CPU: 1 UID: 0 PID: 139 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 18.037380] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.037453] Hardware name: linux,dummy-virt (DT) [ 18.037527] Call trace: [ 18.037565] show_stack+0x20/0x38 (C) [ 18.037635] dump_stack_lvl+0x8c/0xd0 [ 18.037689] print_report+0x118/0x608 [ 18.037767] kasan_report_invalid_free+0xc0/0xe8 [ 18.037828] __kasan_kfree_large+0x5c/0xa8 [ 18.037880] free_large_kmalloc+0x58/0x140 [ 18.037932] kfree+0x270/0x3c8 [ 18.037978] kmalloc_large_invalid_free+0x108/0x270 [ 18.038031] kunit_try_run_case+0x170/0x3f0 [ 18.038099] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.038156] kthread+0x318/0x620 [ 18.038205] ret_from_fork+0x10/0x20 [ 18.038260] [ 18.043096] The buggy address belongs to the physical page: [ 18.043298] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106094 [ 18.043551] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 18.043878] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 18.044730] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.045610] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.046326] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.046981] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.047232] head: 0bfffe0000000002 ffffc1ffc3182501 ffffffffffffffff 0000000000000000 [ 18.047463] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 18.047683] page dumped because: kasan: bad access detected [ 18.048271] [ 18.048582] Memory state around the buggy address: [ 18.049180] fff00000c6093f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.049928] fff00000c6093f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.050521] >fff00000c6094000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.051074] ^ [ 18.051389] fff00000c6094080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.051938] fff00000c6094100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.052594] ==================================================================
[ 11.907618] ================================================================== [ 11.908238] BUG: KASAN: invalid-free in kfree+0x276/0x3f0 [ 11.908580] Free of addr ffff888102938001 by task kunit_try_catch/158 [ 11.908885] [ 11.909060] CPU: 1 UID: 0 PID: 158 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 11.909126] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.909138] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.909161] Call Trace: [ 11.909176] <TASK> [ 11.909199] dump_stack_lvl+0x73/0xb0 [ 11.909232] print_report+0xd1/0x650 [ 11.909255] ? __virt_addr_valid+0x1db/0x2d0 [ 11.909280] ? kasan_addr_to_slab+0x11/0xa0 [ 11.909300] ? kfree+0x276/0x3f0 [ 11.909323] kasan_report_invalid_free+0xfc/0x120 [ 11.909346] ? kfree+0x276/0x3f0 [ 11.909368] ? kfree+0x276/0x3f0 [ 11.909388] __kasan_kfree_large+0x86/0xd0 [ 11.909408] free_large_kmalloc+0x3b/0xd0 [ 11.909430] kfree+0x276/0x3f0 [ 11.909451] ? kmalloc_large_invalid_free+0x90/0x2b0 [ 11.909474] kmalloc_large_invalid_free+0x121/0x2b0 [ 11.909495] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 11.909530] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 11.909555] ? __pfx_read_tsc+0x10/0x10 [ 11.909578] ? ktime_get_ts64+0x86/0x230 [ 11.909616] kunit_try_run_case+0x1a6/0x480 [ 11.909641] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.909662] ? _raw_spin_lock_irqsave+0xfb/0x110 [ 11.909681] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.909706] ? __kthread_parkme+0x82/0x160 [ 11.909729] ? preempt_count_sub+0x50/0x80 [ 11.909760] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.909781] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.909806] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.909831] kthread+0x324/0x6e0 [ 11.909861] ? trace_preempt_on+0x20/0xc0 [ 11.909887] ? __pfx_kthread+0x10/0x10 [ 11.909909] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.909932] ? calculate_sigpending+0x7b/0xa0 [ 11.909954] ? __pfx_kthread+0x10/0x10 [ 11.909976] ret_from_fork+0x41/0x80 [ 11.910013] ? __pfx_kthread+0x10/0x10 [ 11.910059] ret_from_fork_asm+0x1a/0x30 [ 11.910091] </TASK> [ 11.910114] [ 11.918943] The buggy address belongs to the physical page: [ 11.919351] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102938 [ 11.919732] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.920075] flags: 0x200000000000040(head|node=0|zone=2) [ 11.920361] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.920653] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 11.921128] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.921468] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 11.921804] head: 0200000000000002 ffffea00040a4e01 ffffffffffffffff 0000000000000000 [ 11.922369] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 11.922695] page dumped because: kasan: bad access detected [ 11.922961] [ 11.923147] Memory state around the buggy address: [ 11.923396] ffff888102937f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.923676] ffff888102937f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.923968] >ffff888102938000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.924356] ^ [ 11.924524] ffff888102938080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.924848] ffff888102938100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.925278] ==================================================================