Date
May 29, 2025, 7:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.115981] ================================================================== [ 21.116209] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 21.116374] Free of addr fff00000c7894001 by task kunit_try_catch/150 [ 21.117230] [ 21.117510] CPU: 0 UID: 0 PID: 150 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT [ 21.118197] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.118319] Hardware name: linux,dummy-virt (DT) [ 21.118489] Call trace: [ 21.118609] show_stack+0x20/0x38 (C) [ 21.118944] dump_stack_lvl+0x8c/0xd0 [ 21.119074] print_report+0x118/0x608 [ 21.119174] kasan_report_invalid_free+0xc0/0xe8 [ 21.119266] __kasan_kfree_large+0x5c/0xa8 [ 21.119361] free_large_kmalloc+0x64/0x190 [ 21.119475] kfree+0x270/0x3c8 [ 21.119573] kmalloc_large_invalid_free+0x108/0x270 [ 21.119693] kunit_try_run_case+0x170/0x3f0 [ 21.119811] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.120373] kthread+0x328/0x630 [ 21.120629] ret_from_fork+0x10/0x20 [ 21.120832] [ 21.121192] The buggy address belongs to the physical page: [ 21.121275] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107894 [ 21.121715] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 21.121986] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 21.122384] page_type: f8(unknown) [ 21.122586] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.122716] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.122904] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.123075] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.123250] head: 0bfffe0000000002 ffffc1ffc31e2501 00000000ffffffff 00000000ffffffff [ 21.123422] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 21.123509] page dumped because: kasan: bad access detected [ 21.123571] [ 21.123606] Memory state around the buggy address: [ 21.123696] fff00000c7893f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.123794] fff00000c7893f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.124191] >fff00000c7894000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.124355] ^ [ 21.124600] fff00000c7894080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.124718] fff00000c7894100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.124864] ==================================================================
[ 10.447341] ================================================================== [ 10.447849] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 10.448099] Free of addr ffff888102a70001 by task kunit_try_catch/167 [ 10.448372] [ 10.448483] CPU: 1 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT(voluntary) [ 10.448526] Tainted: [B]=BAD_PAGE, [N]=TEST [ 10.448538] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 10.448560] Call Trace: [ 10.448573] <TASK> [ 10.448589] dump_stack_lvl+0x73/0xb0 [ 10.448628] print_report+0xd1/0x650 [ 10.448650] ? __virt_addr_valid+0x1db/0x2d0 [ 10.448674] ? kasan_addr_to_slab+0x11/0xa0 [ 10.448694] ? kfree+0x274/0x3f0 [ 10.448712] kasan_report_invalid_free+0x10a/0x130 [ 10.448736] ? kfree+0x274/0x3f0 [ 10.448755] ? kfree+0x274/0x3f0 [ 10.448772] __kasan_kfree_large+0x86/0xd0 [ 10.448793] free_large_kmalloc+0x4b/0x110 [ 10.448817] kfree+0x274/0x3f0 [ 10.448838] kmalloc_large_invalid_free+0x120/0x2b0 [ 10.448861] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 10.448884] ? __schedule+0x10cc/0x2b60 [ 10.448907] ? __pfx_read_tsc+0x10/0x10 [ 10.448928] ? ktime_get_ts64+0x86/0x230 [ 10.448952] kunit_try_run_case+0x1a5/0x480 [ 10.448974] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.448992] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 10.449016] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 10.449039] ? __kthread_parkme+0x82/0x180 [ 10.449059] ? preempt_count_sub+0x50/0x80 [ 10.449082] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.449102] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 10.449125] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 10.449149] kthread+0x337/0x6f0 [ 10.449167] ? trace_preempt_on+0x20/0xc0 [ 10.449190] ? __pfx_kthread+0x10/0x10 [ 10.449210] ? _raw_spin_unlock_irq+0x47/0x80 [ 10.449231] ? calculate_sigpending+0x7b/0xa0 [ 10.449254] ? __pfx_kthread+0x10/0x10 [ 10.449275] ret_from_fork+0x116/0x1d0 [ 10.449292] ? __pfx_kthread+0x10/0x10 [ 10.449312] ret_from_fork_asm+0x1a/0x30 [ 10.449342] </TASK> [ 10.449351] [ 10.458682] The buggy address belongs to the physical page: [ 10.459023] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a70 [ 10.459359] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 10.459876] flags: 0x200000000000040(head|node=0|zone=2) [ 10.460082] page_type: f8(unknown) [ 10.460221] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 10.460587] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 10.460935] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 10.461432] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 10.461848] head: 0200000000000002 ffffea00040a9c01 00000000ffffffff 00000000ffffffff [ 10.462145] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 10.462484] page dumped because: kasan: bad access detected [ 10.462901] [ 10.463005] Memory state around the buggy address: [ 10.463197] ffff888102a6ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 10.463519] ffff888102a6ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 10.463748] >ffff888102a70000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 10.463979] ^ [ 10.464316] ffff888102a70080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 10.464749] ffff888102a70100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 10.465558] ==================================================================