Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.473916] ================================================================== [ 20.475046] BUG: KASAN: invalid-free in kfree+0x260/0x3b8 [ 20.476056] Free of addr fff00000c695c001 by task kunit_try_catch/138 [ 20.476560] [ 20.476915] CPU: 0 UID: 0 PID: 138 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 20.477145] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.477218] Hardware name: linux,dummy-virt (DT) [ 20.477303] Call trace: [ 20.477367] dump_backtrace+0x9c/0x128 [ 20.477483] show_stack+0x20/0x38 [ 20.477585] dump_stack_lvl+0x8c/0xd0 [ 20.477692] print_report+0x118/0x5f0 [ 20.477799] kasan_report_invalid_free+0xc0/0xe8 [ 20.477917] __kasan_kfree_large+0x5c/0xa8 [ 20.478044] free_large_kmalloc+0x58/0x140 [ 20.478164] kfree+0x260/0x3b8 [ 20.478269] kmalloc_large_invalid_free+0x114/0x290 [ 20.478386] kunit_try_run_case+0x170/0x3f0 [ 20.478440] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.478494] kthread+0x24c/0x2d0 [ 20.478541] ret_from_fork+0x10/0x20 [ 20.478589] [ 20.488463] The buggy address belongs to the physical page: [ 20.489614] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10695c [ 20.490515] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 20.491502] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 20.492711] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 20.493851] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.494785] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 20.495823] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.496750] head: 0bfffe0000000002 ffffc1ffc31a5701 ffffffffffffffff 0000000000000000 [ 20.497470] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 20.498177] page dumped because: kasan: bad access detected [ 20.498794] [ 20.499120] Memory state around the buggy address: [ 20.499793] fff00000c695bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.500616] fff00000c695bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.502020] >fff00000c695c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.502845] ^ [ 20.503269] fff00000c695c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.504364] fff00000c695c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.505324] ==================================================================
[ 16.598131] ================================================================== [ 16.599015] BUG: KASAN: invalid-free in kfree+0x271/0x3d0 [ 16.599786] Free of addr ffff8881022c4001 by task kunit_try_catch/155 [ 16.600758] [ 16.601108] CPU: 1 UID: 0 PID: 155 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 16.601287] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.601368] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.601425] Call Trace: [ 16.601605] <TASK> [ 16.601710] dump_stack_lvl+0x73/0xb0 [ 16.601862] print_report+0xd1/0x640 [ 16.601948] ? __virt_addr_valid+0x1db/0x2d0 [ 16.602027] ? kasan_addr_to_slab+0x11/0xa0 [ 16.602152] ? kfree+0x271/0x3d0 [ 16.602267] kasan_report_invalid_free+0xfc/0x120 [ 16.602348] ? kfree+0x271/0x3d0 [ 16.602387] ? kfree+0x271/0x3d0 [ 16.602413] __kasan_kfree_large+0x86/0xd0 [ 16.602473] free_large_kmalloc+0x3b/0xd0 [ 16.602586] kfree+0x271/0x3d0 [ 16.602661] kmalloc_large_invalid_free+0x121/0x2b0 [ 16.602700] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 16.602736] ? __schedule+0xc49/0x27a0 [ 16.602766] ? __pfx_read_tsc+0x10/0x10 [ 16.602792] ? ktime_get_ts64+0x84/0x230 [ 16.602877] kunit_try_run_case+0x1a6/0x480 [ 16.602913] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.602943] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 16.602972] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.603008] ? __kthread_parkme+0x82/0x160 [ 16.603036] ? preempt_count_sub+0x50/0x80 [ 16.603066] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.603094] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.603130] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.603167] kthread+0x257/0x310 [ 16.603192] ? __pfx_kthread+0x10/0x10 [ 16.603246] ret_from_fork+0x41/0x80 [ 16.603290] ? __pfx_kthread+0x10/0x10 [ 16.603317] ret_from_fork_asm+0x1a/0x30 [ 16.603361] </TASK> [ 16.603376] [ 16.622508] The buggy address belongs to the physical page: [ 16.623697] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1022c4 [ 16.624513] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.625257] flags: 0x200000000000040(head|node=0|zone=2) [ 16.625479] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.625725] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 16.626864] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.627493] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 16.628741] head: 0200000000000002 ffffea000408b101 ffffffffffffffff 0000000000000000 [ 16.629858] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 16.630418] page dumped because: kasan: bad access detected [ 16.631237] [ 16.631478] Memory state around the buggy address: [ 16.632238] ffff8881022c3f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.633267] ffff8881022c3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.634110] >ffff8881022c4000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.634815] ^ [ 16.635348] ffff8881022c4080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.636122] ffff8881022c4100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.636737] ==================================================================