Date
July 18, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.537436] ================================================================== [ 17.537493] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 17.537549] Free of addr fff00000c7820001 by task kunit_try_catch/243 [ 17.537608] [ 17.537641] CPU: 0 UID: 0 PID: 243 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.537731] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.537760] Hardware name: linux,dummy-virt (DT) [ 17.537792] Call trace: [ 17.537813] show_stack+0x20/0x38 (C) [ 17.537863] dump_stack_lvl+0x8c/0xd0 [ 17.537909] print_report+0x118/0x5d0 [ 17.537956] kasan_report_invalid_free+0xc0/0xe8 [ 17.538014] __kasan_mempool_poison_object+0xfc/0x150 [ 17.538066] mempool_free+0x28c/0x328 [ 17.538110] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 17.538171] mempool_kmalloc_large_invalid_free+0xc0/0x118 [ 17.538233] kunit_try_run_case+0x170/0x3f0 [ 17.538281] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.539154] kthread+0x328/0x630 [ 17.539256] ret_from_fork+0x10/0x20 [ 17.539350] [ 17.539688] The buggy address belongs to the physical page: [ 17.539737] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107820 [ 17.539826] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 17.539893] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 17.540436] page_type: f8(unknown) [ 17.540516] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.540625] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.540732] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.541078] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.541177] head: 0bfffe0000000002 ffffc1ffc31e0801 00000000ffffffff 00000000ffffffff [ 17.541381] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 17.541515] page dumped because: kasan: bad access detected [ 17.541596] [ 17.541738] Memory state around the buggy address: [ 17.541839] fff00000c781ff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.542243] fff00000c781ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.542384] >fff00000c7820000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.542508] ^ [ 17.542601] fff00000c7820080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.542770] fff00000c7820100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.542849] ================================================================== [ 17.519933] ================================================================== [ 17.520045] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 17.520099] Free of addr fff00000c7711d01 by task kunit_try_catch/241 [ 17.520144] [ 17.520368] CPU: 0 UID: 0 PID: 241 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.520465] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.520493] Hardware name: linux,dummy-virt (DT) [ 17.520634] Call trace: [ 17.520911] show_stack+0x20/0x38 (C) [ 17.521016] dump_stack_lvl+0x8c/0xd0 [ 17.521072] print_report+0x118/0x5d0 [ 17.521485] kasan_report_invalid_free+0xc0/0xe8 [ 17.521635] check_slab_allocation+0xfc/0x108 [ 17.521778] __kasan_mempool_poison_object+0x78/0x150 [ 17.521886] mempool_free+0x28c/0x328 [ 17.521961] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 17.522466] mempool_kmalloc_invalid_free+0xc0/0x118 [ 17.522563] kunit_try_run_case+0x170/0x3f0 [ 17.522699] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.522875] kthread+0x328/0x630 [ 17.522998] ret_from_fork+0x10/0x20 [ 17.523050] [ 17.523348] Allocated by task 241: [ 17.523655] kasan_save_stack+0x3c/0x68 [ 17.523732] kasan_save_track+0x20/0x40 [ 17.523845] kasan_save_alloc_info+0x40/0x58 [ 17.523977] __kasan_mempool_unpoison_object+0x11c/0x180 [ 17.524024] remove_element+0x130/0x1f8 [ 17.524353] mempool_alloc_preallocated+0x58/0xc0 [ 17.524443] mempool_kmalloc_invalid_free_helper+0x94/0x2a8 [ 17.524540] mempool_kmalloc_invalid_free+0xc0/0x118 [ 17.524640] kunit_try_run_case+0x170/0x3f0 [ 17.524702] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.525008] kthread+0x328/0x630 [ 17.525143] ret_from_fork+0x10/0x20 [ 17.525286] [ 17.525367] The buggy address belongs to the object at fff00000c7711d00 [ 17.525367] which belongs to the cache kmalloc-128 of size 128 [ 17.525516] The buggy address is located 1 bytes inside of [ 17.525516] 128-byte region [fff00000c7711d00, fff00000c7711d80) [ 17.525633] [ 17.525679] The buggy address belongs to the physical page: [ 17.525713] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107711 [ 17.525767] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.525817] page_type: f5(slab) [ 17.526300] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.526395] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.526559] page dumped because: kasan: bad access detected [ 17.526668] [ 17.527060] Memory state around the buggy address: [ 17.527127] fff00000c7711c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.527196] fff00000c7711c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.527371] >fff00000c7711d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.527514] ^ [ 17.527585] fff00000c7711d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.527663] fff00000c7711e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.528011] ==================================================================
[ 13.915669] ================================================================== [ 13.916353] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.916626] Free of addr ffff888103a6c001 by task kunit_try_catch/262 [ 13.916826] [ 13.916914] CPU: 0 UID: 0 PID: 262 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.916965] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.916977] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.916997] Call Trace: [ 13.917010] <TASK> [ 13.917025] dump_stack_lvl+0x73/0xb0 [ 13.917056] print_report+0xd1/0x610 [ 13.917077] ? __virt_addr_valid+0x1db/0x2d0 [ 13.917102] ? kasan_addr_to_slab+0x11/0xa0 [ 13.917122] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.917149] kasan_report_invalid_free+0x10a/0x130 [ 13.917174] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.917202] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.917228] __kasan_mempool_poison_object+0x102/0x1d0 [ 13.917252] mempool_free+0x2ec/0x380 [ 13.917278] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.918339] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 13.918378] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.918404] ? finish_task_switch.isra.0+0x153/0x700 [ 13.918430] mempool_kmalloc_large_invalid_free+0xed/0x140 [ 13.918475] ? __pfx_mempool_kmalloc_large_invalid_free+0x10/0x10 [ 13.918504] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.918527] ? __pfx_mempool_kfree+0x10/0x10 [ 13.918552] ? __pfx_read_tsc+0x10/0x10 [ 13.918573] ? ktime_get_ts64+0x86/0x230 [ 13.918598] kunit_try_run_case+0x1a5/0x480 [ 13.918623] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.918646] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.918672] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.918696] ? __kthread_parkme+0x82/0x180 [ 13.918718] ? preempt_count_sub+0x50/0x80 [ 13.918741] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.918764] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.918788] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.918812] kthread+0x337/0x6f0 [ 13.918831] ? trace_preempt_on+0x20/0xc0 [ 13.918855] ? __pfx_kthread+0x10/0x10 [ 13.918875] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.918896] ? calculate_sigpending+0x7b/0xa0 [ 13.918920] ? __pfx_kthread+0x10/0x10 [ 13.918940] ret_from_fork+0x116/0x1d0 [ 13.918958] ? __pfx_kthread+0x10/0x10 [ 13.918978] ret_from_fork_asm+0x1a/0x30 [ 13.919028] </TASK> [ 13.919038] [ 13.939645] The buggy address belongs to the physical page: [ 13.939896] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a6c [ 13.940328] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 13.940703] flags: 0x200000000000040(head|node=0|zone=2) [ 13.940986] page_type: f8(unknown) [ 13.941264] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.941546] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.941830] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.942260] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.942584] head: 0200000000000002 ffffea00040e9b01 00000000ffffffff 00000000ffffffff [ 13.942937] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 13.943390] page dumped because: kasan: bad access detected [ 13.943666] [ 13.943759] Memory state around the buggy address: [ 13.943984] ffff888103a6bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.944395] ffff888103a6bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.944750] >ffff888103a6c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.945132] ^ [ 13.945310] ffff888103a6c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.945675] ffff888103a6c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.945930] ================================================================== [ 13.879652] ================================================================== [ 13.880440] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.880791] Free of addr ffff8881039ee101 by task kunit_try_catch/260 [ 13.881087] [ 13.881415] CPU: 1 UID: 0 PID: 260 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.881464] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.881476] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.881497] Call Trace: [ 13.881509] <TASK> [ 13.881522] dump_stack_lvl+0x73/0xb0 [ 13.881550] print_report+0xd1/0x610 [ 13.881593] ? __virt_addr_valid+0x1db/0x2d0 [ 13.881616] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.881650] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.881677] kasan_report_invalid_free+0x10a/0x130 [ 13.881701] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.881729] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.881754] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.881779] check_slab_allocation+0x11f/0x130 [ 13.881810] __kasan_mempool_poison_object+0x91/0x1d0 [ 13.881834] mempool_free+0x2ec/0x380 [ 13.881860] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.881897] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 13.881923] ? update_load_avg+0x1be/0x21b0 [ 13.881949] ? finish_task_switch.isra.0+0x153/0x700 [ 13.881984] mempool_kmalloc_invalid_free+0xed/0x140 [ 13.882008] ? __pfx_mempool_kmalloc_invalid_free+0x10/0x10 [ 13.882034] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.882067] ? __pfx_mempool_kfree+0x10/0x10 [ 13.882091] ? __pfx_read_tsc+0x10/0x10 [ 13.882216] ? ktime_get_ts64+0x86/0x230 [ 13.882244] kunit_try_run_case+0x1a5/0x480 [ 13.882268] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.882291] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.882327] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.882350] ? __kthread_parkme+0x82/0x180 [ 13.882371] ? preempt_count_sub+0x50/0x80 [ 13.882394] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.882418] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.882442] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.882466] kthread+0x337/0x6f0 [ 13.882495] ? trace_preempt_on+0x20/0xc0 [ 13.882518] ? __pfx_kthread+0x10/0x10 [ 13.882538] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.882559] ? calculate_sigpending+0x7b/0xa0 [ 13.882583] ? __pfx_kthread+0x10/0x10 [ 13.882604] ret_from_fork+0x116/0x1d0 [ 13.882622] ? __pfx_kthread+0x10/0x10 [ 13.882642] ret_from_fork_asm+0x1a/0x30 [ 13.882671] </TASK> [ 13.882682] [ 13.899167] Allocated by task 260: [ 13.899613] kasan_save_stack+0x45/0x70 [ 13.899919] kasan_save_track+0x18/0x40 [ 13.900191] kasan_save_alloc_info+0x3b/0x50 [ 13.900696] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 13.901280] remove_element+0x11e/0x190 [ 13.901548] mempool_alloc_preallocated+0x4d/0x90 [ 13.901887] mempool_kmalloc_invalid_free_helper+0x83/0x2e0 [ 13.902234] mempool_kmalloc_invalid_free+0xed/0x140 [ 13.902832] kunit_try_run_case+0x1a5/0x480 [ 13.903323] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.903782] kthread+0x337/0x6f0 [ 13.903966] ret_from_fork+0x116/0x1d0 [ 13.904354] ret_from_fork_asm+0x1a/0x30 [ 13.904519] [ 13.904697] The buggy address belongs to the object at ffff8881039ee100 [ 13.904697] which belongs to the cache kmalloc-128 of size 128 [ 13.905955] The buggy address is located 1 bytes inside of [ 13.905955] 128-byte region [ffff8881039ee100, ffff8881039ee180) [ 13.906901] [ 13.907094] The buggy address belongs to the physical page: [ 13.907459] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039ee [ 13.908187] flags: 0x200000000000000(node=0|zone=2) [ 13.908367] page_type: f5(slab) [ 13.908489] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.908724] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.908961] page dumped because: kasan: bad access detected [ 13.909148] [ 13.909215] Memory state around the buggy address: [ 13.909507] ffff8881039ee000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.909898] ffff8881039ee080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.910349] >ffff8881039ee100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.910883] ^ [ 13.911001] ffff8881039ee180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.911346] ffff8881039ee200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.911756] ==================================================================