Date
July 5, 2025, 5:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.261312] ================================================================== [ 20.261395] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 20.261461] Free of addr fff00000c7968001 by task kunit_try_catch/243 [ 20.261502] [ 20.261533] CPU: 0 UID: 0 PID: 243 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.261851] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.261946] Hardware name: linux,dummy-virt (DT) [ 20.261982] Call trace: [ 20.262011] show_stack+0x20/0x38 (C) [ 20.262289] dump_stack_lvl+0x8c/0xd0 [ 20.262375] print_report+0x118/0x608 [ 20.262478] kasan_report_invalid_free+0xc0/0xe8 [ 20.262533] __kasan_mempool_poison_object+0xfc/0x150 [ 20.262629] mempool_free+0x28c/0x328 [ 20.262677] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 20.262728] mempool_kmalloc_large_invalid_free+0xc0/0x118 [ 20.263046] kunit_try_run_case+0x170/0x3f0 [ 20.263254] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.263329] kthread+0x328/0x630 [ 20.263563] ret_from_fork+0x10/0x20 [ 20.263745] [ 20.263869] The buggy address belongs to the physical page: [ 20.263939] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107968 [ 20.264079] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 20.264145] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 20.264339] page_type: f8(unknown) [ 20.264409] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 20.264521] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 20.264689] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 20.264801] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 20.264852] head: 0bfffe0000000002 ffffc1ffc31e5a01 00000000ffffffff 00000000ffffffff [ 20.264952] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 20.265143] page dumped because: kasan: bad access detected [ 20.265280] [ 20.265341] Memory state around the buggy address: [ 20.265474] fff00000c7967f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 20.265540] fff00000c7967f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 20.265583] >fff00000c7968000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.265628] ^ [ 20.265803] fff00000c7968080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.266039] fff00000c7968100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.266161] ================================================================== [ 20.248901] ================================================================== [ 20.249022] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 20.249096] Free of addr fff00000c6398801 by task kunit_try_catch/241 [ 20.249148] [ 20.249179] CPU: 0 UID: 0 PID: 241 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 20.249272] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.249299] Hardware name: linux,dummy-virt (DT) [ 20.249338] Call trace: [ 20.249359] show_stack+0x20/0x38 (C) [ 20.249409] dump_stack_lvl+0x8c/0xd0 [ 20.249455] print_report+0x118/0x608 [ 20.249502] kasan_report_invalid_free+0xc0/0xe8 [ 20.249560] check_slab_allocation+0xfc/0x108 [ 20.249607] __kasan_mempool_poison_object+0x78/0x150 [ 20.249658] mempool_free+0x28c/0x328 [ 20.249700] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 20.249753] mempool_kmalloc_invalid_free+0xc0/0x118 [ 20.249800] kunit_try_run_case+0x170/0x3f0 [ 20.249848] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.250254] kthread+0x328/0x630 [ 20.250331] ret_from_fork+0x10/0x20 [ 20.250463] [ 20.250492] Allocated by task 241: [ 20.250528] kasan_save_stack+0x3c/0x68 [ 20.250571] kasan_save_track+0x20/0x40 [ 20.250617] kasan_save_alloc_info+0x40/0x58 [ 20.250701] __kasan_mempool_unpoison_object+0x11c/0x180 [ 20.250782] remove_element+0x130/0x1f8 [ 20.250932] mempool_alloc_preallocated+0x58/0xc0 [ 20.250987] mempool_kmalloc_invalid_free_helper+0x94/0x2a8 [ 20.251030] mempool_kmalloc_invalid_free+0xc0/0x118 [ 20.251077] kunit_try_run_case+0x170/0x3f0 [ 20.251115] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.251432] kthread+0x328/0x630 [ 20.251513] ret_from_fork+0x10/0x20 [ 20.251633] [ 20.251658] The buggy address belongs to the object at fff00000c6398800 [ 20.251658] which belongs to the cache kmalloc-128 of size 128 [ 20.251906] The buggy address is located 1 bytes inside of [ 20.251906] 128-byte region [fff00000c6398800, fff00000c6398880) [ 20.252116] [ 20.252147] The buggy address belongs to the physical page: [ 20.252205] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106398 [ 20.252339] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.252404] page_type: f5(slab) [ 20.252481] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 20.252582] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 20.252623] page dumped because: kasan: bad access detected [ 20.252653] [ 20.252670] Memory state around the buggy address: [ 20.252884] fff00000c6398700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 20.253046] fff00000c6398780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.253131] >fff00000c6398800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.253278] ^ [ 20.253347] fff00000c6398880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.253510] fff00000c6398900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.253599] ==================================================================
[ 13.340876] ================================================================== [ 13.342120] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.342918] Free of addr ffff888103960001 by task kunit_try_catch/261 [ 13.343626] [ 13.343814] CPU: 1 UID: 0 PID: 261 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.343861] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.343874] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.343897] Call Trace: [ 13.343910] <TASK> [ 13.343929] dump_stack_lvl+0x73/0xb0 [ 13.343959] print_report+0xd1/0x650 [ 13.343981] ? __virt_addr_valid+0x1db/0x2d0 [ 13.344006] ? kasan_addr_to_slab+0x11/0xa0 [ 13.344026] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.344052] kasan_report_invalid_free+0x10a/0x130 [ 13.344076] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.344104] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.344128] __kasan_mempool_poison_object+0x102/0x1d0 [ 13.344152] mempool_free+0x2ec/0x380 [ 13.344175] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.344211] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 13.344236] ? update_curr+0x5c1/0x810 [ 13.344265] mempool_kmalloc_large_invalid_free+0xed/0x140 [ 13.344290] ? __pfx_mempool_kmalloc_large_invalid_free+0x10/0x10 [ 13.344313] ? schedule+0x7c/0x2e0 [ 13.344336] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.344358] ? __pfx_mempool_kfree+0x10/0x10 [ 13.344383] ? __pfx_read_tsc+0x10/0x10 [ 13.344405] ? ktime_get_ts64+0x86/0x230 [ 13.344429] kunit_try_run_case+0x1a5/0x480 [ 13.344465] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.344489] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.344513] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.344535] ? __kthread_parkme+0x82/0x180 [ 13.344556] ? preempt_count_sub+0x50/0x80 [ 13.344580] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.344602] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.344625] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.344647] kthread+0x337/0x6f0 [ 13.344667] ? trace_preempt_on+0x20/0xc0 [ 13.344690] ? __pfx_kthread+0x10/0x10 [ 13.344711] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.344732] ? calculate_sigpending+0x7b/0xa0 [ 13.344755] ? __pfx_kthread+0x10/0x10 [ 13.344776] ret_from_fork+0x116/0x1d0 [ 13.344794] ? __pfx_kthread+0x10/0x10 [ 13.344814] ret_from_fork_asm+0x1a/0x30 [ 13.344844] </TASK> [ 13.344855] [ 13.356768] The buggy address belongs to the physical page: [ 13.356996] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103960 [ 13.357534] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 13.357887] flags: 0x200000000000040(head|node=0|zone=2) [ 13.358164] page_type: f8(unknown) [ 13.358342] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.358593] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.359007] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.359357] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.359664] head: 0200000000000002 ffffea00040e5801 00000000ffffffff 00000000ffffffff [ 13.360022] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 13.360490] page dumped because: kasan: bad access detected [ 13.360744] [ 13.360844] Memory state around the buggy address: [ 13.361043] ffff88810395ff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.361337] ffff88810395ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.361828] >ffff888103960000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.362170] ^ [ 13.362330] ffff888103960080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.362632] ffff888103960100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.362995] ================================================================== [ 13.299959] ================================================================== [ 13.300701] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.301031] Free of addr ffff8881031c1501 by task kunit_try_catch/259 [ 13.301236] [ 13.302359] CPU: 0 UID: 0 PID: 259 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.302413] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.302425] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.302447] Call Trace: [ 13.302475] <TASK> [ 13.302491] dump_stack_lvl+0x73/0xb0 [ 13.302522] print_report+0xd1/0x650 [ 13.302547] ? __virt_addr_valid+0x1db/0x2d0 [ 13.302570] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.302593] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.302619] kasan_report_invalid_free+0x10a/0x130 [ 13.302642] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.302953] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.303856] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.303958] check_slab_allocation+0x11f/0x130 [ 13.303983] __kasan_mempool_poison_object+0x91/0x1d0 [ 13.304008] mempool_free+0x2ec/0x380 [ 13.304032] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.304058] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 13.304083] ? update_load_avg+0x1be/0x21b0 [ 13.304110] ? finish_task_switch.isra.0+0x153/0x700 [ 13.304135] mempool_kmalloc_invalid_free+0xed/0x140 [ 13.304158] ? __pfx_mempool_kmalloc_invalid_free+0x10/0x10 [ 13.304206] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.304229] ? __pfx_mempool_kfree+0x10/0x10 [ 13.304253] ? __pfx_read_tsc+0x10/0x10 [ 13.304274] ? ktime_get_ts64+0x86/0x230 [ 13.304297] kunit_try_run_case+0x1a5/0x480 [ 13.304321] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.304343] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.304366] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.304389] ? __kthread_parkme+0x82/0x180 [ 13.304408] ? preempt_count_sub+0x50/0x80 [ 13.304431] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.304473] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.304495] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.304519] kthread+0x337/0x6f0 [ 13.304538] ? trace_preempt_on+0x20/0xc0 [ 13.304561] ? __pfx_kthread+0x10/0x10 [ 13.304582] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.304603] ? calculate_sigpending+0x7b/0xa0 [ 13.304627] ? __pfx_kthread+0x10/0x10 [ 13.304649] ret_from_fork+0x116/0x1d0 [ 13.304683] ? __pfx_kthread+0x10/0x10 [ 13.304703] ret_from_fork_asm+0x1a/0x30 [ 13.304733] </TASK> [ 13.304745] [ 13.321157] Allocated by task 259: [ 13.322087] kasan_save_stack+0x45/0x70 [ 13.322647] kasan_save_track+0x18/0x40 [ 13.323104] kasan_save_alloc_info+0x3b/0x50 [ 13.323575] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 13.324138] remove_element+0x11e/0x190 [ 13.324751] mempool_alloc_preallocated+0x4d/0x90 [ 13.325154] mempool_kmalloc_invalid_free_helper+0x83/0x2e0 [ 13.325671] mempool_kmalloc_invalid_free+0xed/0x140 [ 13.325969] kunit_try_run_case+0x1a5/0x480 [ 13.326119] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.326367] kthread+0x337/0x6f0 [ 13.326677] ret_from_fork+0x116/0x1d0 [ 13.327058] ret_from_fork_asm+0x1a/0x30 [ 13.327511] [ 13.327696] The buggy address belongs to the object at ffff8881031c1500 [ 13.327696] which belongs to the cache kmalloc-128 of size 128 [ 13.329090] The buggy address is located 1 bytes inside of [ 13.329090] 128-byte region [ffff8881031c1500, ffff8881031c1580) [ 13.329833] [ 13.330002] The buggy address belongs to the physical page: [ 13.330535] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1031c1 [ 13.330994] flags: 0x200000000000000(node=0|zone=2) [ 13.331166] page_type: f5(slab) [ 13.331530] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.332384] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.333102] page dumped because: kasan: bad access detected [ 13.333641] [ 13.333786] Memory state around the buggy address: [ 13.334192] ffff8881031c1400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.334605] ffff8881031c1480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.335160] >ffff8881031c1500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.335911] ^ [ 13.336223] ffff8881031c1580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.336765] ffff8881031c1600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.336996] ==================================================================