Date
June 20, 2025, 12:38 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 34.719598] ================================================================== [ 34.720169] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 34.720481] Free of addr fff00000c59fb700 by task kunit_try_catch/246 [ 34.720685] [ 34.721009] CPU: 1 UID: 0 PID: 246 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT [ 34.721326] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.721382] Hardware name: linux,dummy-virt (DT) [ 34.721451] Call trace: [ 34.721507] show_stack+0x20/0x38 (C) [ 34.721731] dump_stack_lvl+0x8c/0xd0 [ 34.722037] print_report+0x118/0x608 [ 34.722298] kasan_report_invalid_free+0xc0/0xe8 [ 34.722602] check_slab_allocation+0xd4/0x108 [ 34.722817] __kasan_mempool_poison_object+0x78/0x150 [ 34.723101] mempool_free+0x28c/0x328 [ 34.723220] mempool_double_free_helper+0x150/0x2e8 [ 34.723621] mempool_kmalloc_double_free+0xc0/0x118 [ 34.723903] kunit_try_run_case+0x170/0x3f0 [ 34.724131] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.724275] kthread+0x328/0x630 [ 34.724468] ret_from_fork+0x10/0x20 [ 34.724851] [ 34.724918] Allocated by task 246: [ 34.724978] kasan_save_stack+0x3c/0x68 [ 34.725068] kasan_save_track+0x20/0x40 [ 34.725263] kasan_save_alloc_info+0x40/0x58 [ 34.725435] __kasan_mempool_unpoison_object+0x11c/0x180 [ 34.725694] remove_element+0x130/0x1f8 [ 34.725899] mempool_alloc_preallocated+0x58/0xc0 [ 34.726015] mempool_double_free_helper+0x94/0x2e8 [ 34.726190] mempool_kmalloc_double_free+0xc0/0x118 [ 34.726519] kunit_try_run_case+0x170/0x3f0 [ 34.726760] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.726872] kthread+0x328/0x630 [ 34.727055] ret_from_fork+0x10/0x20 [ 34.727257] [ 34.727330] Freed by task 246: [ 34.727549] kasan_save_stack+0x3c/0x68 [ 34.727763] kasan_save_track+0x20/0x40 [ 34.727856] kasan_save_free_info+0x4c/0x78 [ 34.727960] __kasan_mempool_poison_object+0xc0/0x150 [ 34.728383] mempool_free+0x28c/0x328 [ 34.728503] mempool_double_free_helper+0x100/0x2e8 [ 34.728835] mempool_kmalloc_double_free+0xc0/0x118 [ 34.728924] kunit_try_run_case+0x170/0x3f0 [ 34.729007] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.729107] kthread+0x328/0x630 [ 34.729328] ret_from_fork+0x10/0x20 [ 34.729420] [ 34.729477] The buggy address belongs to the object at fff00000c59fb700 [ 34.729477] which belongs to the cache kmalloc-128 of size 128 [ 34.729578] The buggy address is located 0 bytes inside of [ 34.729578] 128-byte region [fff00000c59fb700, fff00000c59fb780) [ 34.729672] [ 34.729704] The buggy address belongs to the physical page: [ 34.729741] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1059fb [ 34.729810] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.729875] page_type: f5(slab) [ 34.729928] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 34.729988] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 34.730038] page dumped because: kasan: bad access detected [ 34.730073] [ 34.730094] Memory state around the buggy address: [ 34.730136] fff00000c59fb600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.730188] fff00000c59fb680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.730239] >fff00000c59fb700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.730285] ^ [ 34.730318] fff00000c59fb780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.730367] fff00000c59fb800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 34.730413] ================================================================== [ 34.743116] ================================================================== [ 34.743301] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 34.743460] Free of addr fff00000c5a48000 by task kunit_try_catch/248 [ 34.743550] [ 34.743641] CPU: 1 UID: 0 PID: 248 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT [ 34.743828] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.743890] Hardware name: linux,dummy-virt (DT) [ 34.743969] Call trace: [ 34.744133] show_stack+0x20/0x38 (C) [ 34.744463] dump_stack_lvl+0x8c/0xd0 [ 34.744693] print_report+0x118/0x608 [ 34.744817] kasan_report_invalid_free+0xc0/0xe8 [ 34.745342] __kasan_mempool_poison_object+0x14c/0x150 [ 34.745525] mempool_free+0x28c/0x328 [ 34.745647] mempool_double_free_helper+0x150/0x2e8 [ 34.745756] mempool_kmalloc_large_double_free+0xc0/0x118 [ 34.745990] kunit_try_run_case+0x170/0x3f0 [ 34.746128] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.746786] kthread+0x328/0x630 [ 34.746926] ret_from_fork+0x10/0x20 [ 34.747054] [ 34.747112] The buggy address belongs to the physical page: [ 34.747204] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a48 [ 34.747350] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 34.747509] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 34.747683] page_type: f8(unknown) [ 34.747796] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 34.747928] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 34.748071] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 34.748253] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 34.748379] head: 0bfffe0000000002 ffffc1ffc3169201 00000000ffffffff 00000000ffffffff [ 34.748503] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 34.749047] page dumped because: kasan: bad access detected [ 34.749237] [ 34.749297] Memory state around the buggy address: [ 34.749424] fff00000c5a47f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 34.749549] fff00000c5a47f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 34.749655] >fff00000c5a48000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 34.749730] ^ [ 34.749788] fff00000c5a48080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 34.749878] fff00000c5a48100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 34.749979] ================================================================== [ 34.766759] ================================================================== [ 34.766959] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 34.767511] Free of addr fff00000c5a48000 by task kunit_try_catch/250 [ 34.767722] [ 34.767856] CPU: 1 UID: 0 PID: 250 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT [ 34.768368] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.768637] Hardware name: linux,dummy-virt (DT) [ 34.768769] Call trace: [ 34.768866] show_stack+0x20/0x38 (C) [ 34.769066] dump_stack_lvl+0x8c/0xd0 [ 34.769398] print_report+0x118/0x608 [ 34.769501] kasan_report_invalid_free+0xc0/0xe8 [ 34.769670] __kasan_mempool_poison_pages+0xe0/0xe8 [ 34.769866] mempool_free+0x24c/0x328 [ 34.770109] mempool_double_free_helper+0x150/0x2e8 [ 34.770450] mempool_page_alloc_double_free+0xbc/0x118 [ 34.770703] kunit_try_run_case+0x170/0x3f0 [ 34.770919] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.771099] kthread+0x328/0x630 [ 34.771204] ret_from_fork+0x10/0x20 [ 34.771533] [ 34.771623] The buggy address belongs to the physical page: [ 34.771712] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a48 [ 34.771984] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.772189] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 34.772516] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 34.772655] page dumped because: kasan: bad access detected [ 34.772744] [ 34.773055] Memory state around the buggy address: [ 34.773170] fff00000c5a47f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 34.773482] fff00000c5a47f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 34.773578] >fff00000c5a48000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 34.773737] ^ [ 34.773814] fff00000c5a48080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 34.774029] fff00000c5a48100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 34.774213] ==================================================================
[ 27.499465] ================================================================== [ 27.500247] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 27.501105] Free of addr ffff888102a64000 by task kunit_try_catch/266 [ 27.501614] [ 27.501782] CPU: 1 UID: 0 PID: 266 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) [ 27.501894] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.501922] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.501971] Call Trace: [ 27.502005] <TASK> [ 27.502073] dump_stack_lvl+0x73/0xb0 [ 27.502160] print_report+0xd1/0x650 [ 27.502210] ? __virt_addr_valid+0x1db/0x2d0 [ 27.502265] ? kasan_addr_to_slab+0x11/0xa0 [ 27.502305] ? mempool_double_free_helper+0x184/0x370 [ 27.502379] kasan_report_invalid_free+0x10a/0x130 [ 27.502455] ? mempool_double_free_helper+0x184/0x370 [ 27.502514] ? mempool_double_free_helper+0x184/0x370 [ 27.502594] __kasan_mempool_poison_object+0x1b3/0x1d0 [ 27.502649] mempool_free+0x2ec/0x380 [ 27.502712] mempool_double_free_helper+0x184/0x370 [ 27.502768] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 27.502815] ? __kasan_check_write+0x18/0x20 [ 27.502858] ? __pfx_sched_clock_cpu+0x10/0x10 [ 27.502895] ? finish_task_switch.isra.0+0x153/0x700 [ 27.502939] mempool_kmalloc_large_double_free+0xed/0x140 [ 27.502985] ? __pfx_mempool_kmalloc_large_double_free+0x10/0x10 [ 27.503022] ? __pfx_mempool_kmalloc+0x10/0x10 [ 27.503046] ? __pfx_mempool_kfree+0x10/0x10 [ 27.503072] ? __pfx_read_tsc+0x10/0x10 [ 27.503097] ? ktime_get_ts64+0x86/0x230 [ 27.503125] kunit_try_run_case+0x1a5/0x480 [ 27.503181] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.503212] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 27.503239] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.503262] ? __kthread_parkme+0x82/0x180 [ 27.503284] ? preempt_count_sub+0x50/0x80 [ 27.503308] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.503331] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.503355] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.503378] kthread+0x337/0x6f0 [ 27.503398] ? trace_preempt_on+0x20/0xc0 [ 27.503422] ? __pfx_kthread+0x10/0x10 [ 27.503463] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.503487] ? calculate_sigpending+0x7b/0xa0 [ 27.503512] ? __pfx_kthread+0x10/0x10 [ 27.503535] ret_from_fork+0x116/0x1d0 [ 27.503565] ? __pfx_kthread+0x10/0x10 [ 27.503601] ret_from_fork_asm+0x1a/0x30 [ 27.503652] </TASK> [ 27.503673] [ 27.517296] The buggy address belongs to the physical page: [ 27.518007] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a64 [ 27.518907] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 27.519742] flags: 0x200000000000040(head|node=0|zone=2) [ 27.520228] page_type: f8(unknown) [ 27.520531] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 27.521103] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 27.522112] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 27.522778] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 27.523122] head: 0200000000000002 ffffea00040a9901 00000000ffffffff 00000000ffffffff [ 27.523701] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 27.524041] page dumped because: kasan: bad access detected [ 27.524818] [ 27.525058] Memory state around the buggy address: [ 27.525486] ffff888102a63f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.526003] ffff888102a63f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.526762] >ffff888102a64000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.527166] ^ [ 27.527472] ffff888102a64080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.527929] ffff888102a64100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.528373] ================================================================== [ 27.449317] ================================================================== [ 27.450200] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 27.450830] Free of addr ffff88810232aa00 by task kunit_try_catch/264 [ 27.451313] [ 27.451532] CPU: 0 UID: 0 PID: 264 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) [ 27.451670] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.451695] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.451738] Call Trace: [ 27.451778] <TASK> [ 27.451816] dump_stack_lvl+0x73/0xb0 [ 27.451899] print_report+0xd1/0x650 [ 27.451970] ? __virt_addr_valid+0x1db/0x2d0 [ 27.452038] ? kasan_complete_mode_report_info+0x64/0x200 [ 27.452089] ? mempool_double_free_helper+0x184/0x370 [ 27.452143] kasan_report_invalid_free+0x10a/0x130 [ 27.452208] ? mempool_double_free_helper+0x184/0x370 [ 27.452261] ? mempool_double_free_helper+0x184/0x370 [ 27.452312] ? mempool_double_free_helper+0x184/0x370 [ 27.452363] check_slab_allocation+0x101/0x130 [ 27.452415] __kasan_mempool_poison_object+0x91/0x1d0 [ 27.452481] mempool_free+0x2ec/0x380 [ 27.452544] mempool_double_free_helper+0x184/0x370 [ 27.452603] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 27.452660] ? pick_eevdf+0x3c9/0x590 [ 27.452716] ? __pfx_sched_clock_cpu+0x10/0x10 [ 27.452757] ? finish_task_switch.isra.0+0x153/0x700 [ 27.452813] mempool_kmalloc_double_free+0xed/0x140 [ 27.452857] ? __pfx_mempool_kmalloc_double_free+0x10/0x10 [ 27.452901] ? __pfx_mempool_kmalloc+0x10/0x10 [ 27.452936] ? __pfx_mempool_kfree+0x10/0x10 [ 27.452976] ? __pfx_read_tsc+0x10/0x10 [ 27.453013] ? ktime_get_ts64+0x86/0x230 [ 27.453057] kunit_try_run_case+0x1a5/0x480 [ 27.453101] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.453133] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 27.453172] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.453207] ? __kthread_parkme+0x82/0x180 [ 27.453242] ? preempt_count_sub+0x50/0x80 [ 27.453285] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.453321] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.453348] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.453374] kthread+0x337/0x6f0 [ 27.453397] ? trace_preempt_on+0x20/0xc0 [ 27.453423] ? __pfx_kthread+0x10/0x10 [ 27.453471] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.453498] ? calculate_sigpending+0x7b/0xa0 [ 27.453526] ? __pfx_kthread+0x10/0x10 [ 27.453549] ret_from_fork+0x116/0x1d0 [ 27.453579] ? __pfx_kthread+0x10/0x10 [ 27.453615] ret_from_fork_asm+0x1a/0x30 [ 27.453671] </TASK> [ 27.453692] [ 27.471539] Allocated by task 264: [ 27.471922] kasan_save_stack+0x45/0x70 [ 27.472319] kasan_save_track+0x18/0x40 [ 27.472655] kasan_save_alloc_info+0x3b/0x50 [ 27.473068] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 27.473636] remove_element+0x11e/0x190 [ 27.474108] mempool_alloc_preallocated+0x4d/0x90 [ 27.474562] mempool_double_free_helper+0x8a/0x370 [ 27.475096] mempool_kmalloc_double_free+0xed/0x140 [ 27.475347] kunit_try_run_case+0x1a5/0x480 [ 27.475686] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.476138] kthread+0x337/0x6f0 [ 27.476528] ret_from_fork+0x116/0x1d0 [ 27.476930] ret_from_fork_asm+0x1a/0x30 [ 27.477366] [ 27.477557] Freed by task 264: [ 27.477882] kasan_save_stack+0x45/0x70 [ 27.478270] kasan_save_track+0x18/0x40 [ 27.478435] kasan_save_free_info+0x3f/0x60 [ 27.478756] __kasan_mempool_poison_object+0x131/0x1d0 [ 27.479516] mempool_free+0x2ec/0x380 [ 27.480101] mempool_double_free_helper+0x109/0x370 [ 27.480319] mempool_kmalloc_double_free+0xed/0x140 [ 27.480664] kunit_try_run_case+0x1a5/0x480 [ 27.481107] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.481554] kthread+0x337/0x6f0 [ 27.481946] ret_from_fork+0x116/0x1d0 [ 27.482172] ret_from_fork_asm+0x1a/0x30 [ 27.482363] [ 27.482559] The buggy address belongs to the object at ffff88810232aa00 [ 27.482559] which belongs to the cache kmalloc-128 of size 128 [ 27.484189] The buggy address is located 0 bytes inside of [ 27.484189] 128-byte region [ffff88810232aa00, ffff88810232aa80) [ 27.484991] [ 27.485226] The buggy address belongs to the physical page: [ 27.485926] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10232a [ 27.486330] flags: 0x200000000000000(node=0|zone=2) [ 27.486744] page_type: f5(slab) [ 27.486992] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 27.487687] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 27.488340] page dumped because: kasan: bad access detected [ 27.488601] [ 27.488707] Memory state around the buggy address: [ 27.489128] ffff88810232a900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.490301] ffff88810232a980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.490947] >ffff88810232aa00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.491310] ^ [ 27.491603] ffff88810232aa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.492336] ffff88810232ab00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.492652] ================================================================== [ 27.535380] ================================================================== [ 27.536106] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 27.537349] Free of addr ffff888102a64000 by task kunit_try_catch/268 [ 27.538070] [ 27.538275] CPU: 1 UID: 0 PID: 268 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) [ 27.538393] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.538420] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.538481] Call Trace: [ 27.538512] <TASK> [ 27.538587] dump_stack_lvl+0x73/0xb0 [ 27.538771] print_report+0xd1/0x650 [ 27.538818] ? __virt_addr_valid+0x1db/0x2d0 [ 27.538861] ? kasan_addr_to_slab+0x11/0xa0 [ 27.538883] ? mempool_double_free_helper+0x184/0x370 [ 27.538910] kasan_report_invalid_free+0x10a/0x130 [ 27.538936] ? mempool_double_free_helper+0x184/0x370 [ 27.538966] ? mempool_double_free_helper+0x184/0x370 [ 27.538990] __kasan_mempool_poison_pages+0x115/0x130 [ 27.539017] mempool_free+0x290/0x380 [ 27.539044] mempool_double_free_helper+0x184/0x370 [ 27.539068] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 27.539095] ? __pfx_sched_clock_cpu+0x10/0x10 [ 27.539119] ? finish_task_switch.isra.0+0x153/0x700 [ 27.539152] mempool_page_alloc_double_free+0xe8/0x140 [ 27.539193] ? __pfx_mempool_page_alloc_double_free+0x10/0x10 [ 27.539221] ? __pfx_mempool_alloc_pages+0x10/0x10 [ 27.539245] ? __pfx_mempool_free_pages+0x10/0x10 [ 27.539271] ? __pfx_read_tsc+0x10/0x10 [ 27.539293] ? ktime_get_ts64+0x86/0x230 [ 27.539320] kunit_try_run_case+0x1a5/0x480 [ 27.539347] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.539369] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 27.539394] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.539418] ? __kthread_parkme+0x82/0x180 [ 27.539460] ? preempt_count_sub+0x50/0x80 [ 27.539490] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.539515] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.539540] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.539579] kthread+0x337/0x6f0 [ 27.539612] ? trace_preempt_on+0x20/0xc0 [ 27.539651] ? __pfx_kthread+0x10/0x10 [ 27.539685] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.539717] ? calculate_sigpending+0x7b/0xa0 [ 27.539756] ? __pfx_kthread+0x10/0x10 [ 27.539792] ret_from_fork+0x116/0x1d0 [ 27.539822] ? __pfx_kthread+0x10/0x10 [ 27.539855] ret_from_fork_asm+0x1a/0x30 [ 27.539908] </TASK> [ 27.539930] [ 27.555024] The buggy address belongs to the physical page: [ 27.555603] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a64 [ 27.556387] flags: 0x200000000000000(node=0|zone=2) [ 27.556913] raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000 [ 27.557534] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 27.557891] page dumped because: kasan: bad access detected [ 27.558293] [ 27.558388] Memory state around the buggy address: [ 27.558580] ffff888102a63f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.559105] ffff888102a63f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.559528] >ffff888102a64000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.559792] ^ [ 27.560068] ffff888102a64080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.561025] ffff888102a64100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 27.561676] ==================================================================