Date
July 18, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.487524] ================================================================== [ 17.487612] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 17.487666] Free of addr fff00000c781c000 by task kunit_try_catch/237 [ 17.487718] [ 17.487753] CPU: 0 UID: 0 PID: 237 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.487960] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.488129] Hardware name: linux,dummy-virt (DT) [ 17.488165] Call trace: [ 17.488536] show_stack+0x20/0x38 (C) [ 17.488835] dump_stack_lvl+0x8c/0xd0 [ 17.489008] print_report+0x118/0x5d0 [ 17.489068] kasan_report_invalid_free+0xc0/0xe8 [ 17.489511] __kasan_mempool_poison_object+0x14c/0x150 [ 17.489836] mempool_free+0x28c/0x328 [ 17.489935] mempool_double_free_helper+0x150/0x2e8 [ 17.489988] mempool_kmalloc_large_double_free+0xc0/0x118 [ 17.490039] kunit_try_run_case+0x170/0x3f0 [ 17.490204] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.490265] kthread+0x328/0x630 [ 17.490308] ret_from_fork+0x10/0x20 [ 17.490369] [ 17.490391] The buggy address belongs to the physical page: [ 17.490423] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10781c [ 17.490490] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 17.490542] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 17.490594] page_type: f8(unknown) [ 17.490633] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.490691] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.490750] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.490808] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.490859] head: 0bfffe0000000002 ffffc1ffc31e0701 00000000ffffffff 00000000ffffffff [ 17.490908] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 17.490958] page dumped because: kasan: bad access detected [ 17.490990] [ 17.491008] Memory state around the buggy address: [ 17.491058] fff00000c781bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.491101] fff00000c781bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.491159] >fff00000c781c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.491196] ^ [ 17.491226] fff00000c781c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.491271] fff00000c781c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.491311] ================================================================== [ 17.467766] ================================================================== [ 17.467828] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 17.467883] Free of addr fff00000c7711900 by task kunit_try_catch/235 [ 17.467926] [ 17.468517] CPU: 0 UID: 0 PID: 235 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.468869] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.469001] Hardware name: linux,dummy-virt (DT) [ 17.469170] Call trace: [ 17.469268] show_stack+0x20/0x38 (C) [ 17.469369] dump_stack_lvl+0x8c/0xd0 [ 17.469539] print_report+0x118/0x5d0 [ 17.469591] kasan_report_invalid_free+0xc0/0xe8 [ 17.469640] check_slab_allocation+0xd4/0x108 [ 17.469694] __kasan_mempool_poison_object+0x78/0x150 [ 17.469931] mempool_free+0x28c/0x328 [ 17.470090] mempool_double_free_helper+0x150/0x2e8 [ 17.470268] mempool_kmalloc_double_free+0xc0/0x118 [ 17.470410] kunit_try_run_case+0x170/0x3f0 [ 17.470527] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.470662] kthread+0x328/0x630 [ 17.470709] ret_from_fork+0x10/0x20 [ 17.470950] [ 17.471111] Allocated by task 235: [ 17.471239] kasan_save_stack+0x3c/0x68 [ 17.471404] kasan_save_track+0x20/0x40 [ 17.471544] kasan_save_alloc_info+0x40/0x58 [ 17.471634] __kasan_mempool_unpoison_object+0x11c/0x180 [ 17.471690] remove_element+0x130/0x1f8 [ 17.471886] mempool_alloc_preallocated+0x58/0xc0 [ 17.472029] mempool_double_free_helper+0x94/0x2e8 [ 17.472091] mempool_kmalloc_double_free+0xc0/0x118 [ 17.472243] kunit_try_run_case+0x170/0x3f0 [ 17.472396] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.472543] kthread+0x328/0x630 [ 17.472579] ret_from_fork+0x10/0x20 [ 17.472926] [ 17.473071] Freed by task 235: [ 17.473103] kasan_save_stack+0x3c/0x68 [ 17.473315] kasan_save_track+0x20/0x40 [ 17.473479] kasan_save_free_info+0x4c/0x78 [ 17.473588] __kasan_mempool_poison_object+0xc0/0x150 [ 17.473652] mempool_free+0x28c/0x328 [ 17.473687] mempool_double_free_helper+0x100/0x2e8 [ 17.473780] mempool_kmalloc_double_free+0xc0/0x118 [ 17.473841] kunit_try_run_case+0x170/0x3f0 [ 17.473880] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.474199] kthread+0x328/0x630 [ 17.474266] ret_from_fork+0x10/0x20 [ 17.474389] [ 17.474449] The buggy address belongs to the object at fff00000c7711900 [ 17.474449] which belongs to the cache kmalloc-128 of size 128 [ 17.474610] The buggy address is located 0 bytes inside of [ 17.474610] 128-byte region [fff00000c7711900, fff00000c7711980) [ 17.474704] [ 17.474753] The buggy address belongs to the physical page: [ 17.474817] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107711 [ 17.474902] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.474975] page_type: f5(slab) [ 17.475321] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.475492] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.475580] page dumped because: kasan: bad access detected [ 17.475714] [ 17.475827] Memory state around the buggy address: [ 17.475875] fff00000c7711800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.475985] fff00000c7711880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.476027] >fff00000c7711900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.476353] ^ [ 17.476422] fff00000c7711980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.476570] fff00000c7711a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.476703] ================================================================== [ 17.504165] ================================================================== [ 17.504514] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 17.504648] Free of addr fff00000c781c000 by task kunit_try_catch/239 [ 17.504695] [ 17.504752] CPU: 0 UID: 0 PID: 239 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.504991] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.505029] Hardware name: linux,dummy-virt (DT) [ 17.505062] Call trace: [ 17.505090] show_stack+0x20/0x38 (C) [ 17.505142] dump_stack_lvl+0x8c/0xd0 [ 17.505187] print_report+0x118/0x5d0 [ 17.505572] kasan_report_invalid_free+0xc0/0xe8 [ 17.505674] __kasan_mempool_poison_pages+0xe0/0xe8 [ 17.505728] mempool_free+0x24c/0x328 [ 17.505774] mempool_double_free_helper+0x150/0x2e8 [ 17.506305] mempool_page_alloc_double_free+0xbc/0x118 [ 17.506419] kunit_try_run_case+0x170/0x3f0 [ 17.506470] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.506930] kthread+0x328/0x630 [ 17.507025] ret_from_fork+0x10/0x20 [ 17.507321] [ 17.507364] The buggy address belongs to the physical page: [ 17.507405] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10781c [ 17.507525] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.507590] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 17.507933] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 17.508069] page dumped because: kasan: bad access detected [ 17.508119] [ 17.508139] Memory state around the buggy address: [ 17.508587] fff00000c781bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.508693] fff00000c781bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.508738] >fff00000c781c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.509346] ^ [ 17.509383] fff00000c781c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.509804] fff00000c781c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.509865] ==================================================================
[ 13.836636] ================================================================== [ 13.837226] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 13.837701] Free of addr ffff888103aa0000 by task kunit_try_catch/256 [ 13.838163] [ 13.838346] CPU: 1 UID: 0 PID: 256 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.838405] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.838416] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.838448] Call Trace: [ 13.838459] <TASK> [ 13.838474] dump_stack_lvl+0x73/0xb0 [ 13.838525] print_report+0xd1/0x610 [ 13.838548] ? __virt_addr_valid+0x1db/0x2d0 [ 13.838572] ? kasan_addr_to_slab+0x11/0xa0 [ 13.838592] ? mempool_double_free_helper+0x184/0x370 [ 13.838617] kasan_report_invalid_free+0x10a/0x130 [ 13.838641] ? mempool_double_free_helper+0x184/0x370 [ 13.838668] ? mempool_double_free_helper+0x184/0x370 [ 13.838691] __kasan_mempool_poison_object+0x1b3/0x1d0 [ 13.838716] mempool_free+0x2ec/0x380 [ 13.838744] mempool_double_free_helper+0x184/0x370 [ 13.838768] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 13.838796] ? finish_task_switch.isra.0+0x153/0x700 [ 13.838832] mempool_kmalloc_large_double_free+0xed/0x140 [ 13.838857] ? __pfx_mempool_kmalloc_large_double_free+0x10/0x10 [ 13.838893] ? __kasan_check_write+0x18/0x20 [ 13.838914] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.838936] ? __pfx_mempool_kfree+0x10/0x10 [ 13.838961] ? __pfx_read_tsc+0x10/0x10 [ 13.838982] ? ktime_get_ts64+0x86/0x230 [ 13.839003] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 13.839073] kunit_try_run_case+0x1a5/0x480 [ 13.839100] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.839125] ? queued_spin_lock_slowpath+0x116/0xb40 [ 13.839151] ? __kthread_parkme+0x82/0x180 [ 13.839172] ? preempt_count_sub+0x50/0x80 [ 13.839195] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.839219] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.839243] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.839266] kthread+0x337/0x6f0 [ 13.839285] ? trace_preempt_on+0x20/0xc0 [ 13.839320] ? __pfx_kthread+0x10/0x10 [ 13.839339] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.839361] ? calculate_sigpending+0x7b/0xa0 [ 13.839386] ? __pfx_kthread+0x10/0x10 [ 13.839406] ret_from_fork+0x116/0x1d0 [ 13.839424] ? __pfx_kthread+0x10/0x10 [ 13.839444] ret_from_fork_asm+0x1a/0x30 [ 13.839475] </TASK> [ 13.839486] [ 13.848895] The buggy address belongs to the physical page: [ 13.849242] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103aa0 [ 13.849503] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 13.849804] flags: 0x200000000000040(head|node=0|zone=2) [ 13.850083] page_type: f8(unknown) [ 13.850259] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.850675] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.850999] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.851366] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.851719] head: 0200000000000002 ffffea00040ea801 00000000ffffffff 00000000ffffffff [ 13.852100] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 13.852448] page dumped because: kasan: bad access detected [ 13.852668] [ 13.852784] Memory state around the buggy address: [ 13.852989] ffff888103a9ff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.853573] ffff888103a9ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.853904] >ffff888103aa0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.854118] ^ [ 13.854236] ffff888103aa0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.854585] ffff888103aa0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.855010] ================================================================== [ 13.805875] ================================================================== [ 13.806491] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 13.806938] Free of addr ffff8881029ceb00 by task kunit_try_catch/254 [ 13.807199] [ 13.807331] CPU: 0 UID: 0 PID: 254 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.807375] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.807387] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.807409] Call Trace: [ 13.807422] <TASK> [ 13.807436] dump_stack_lvl+0x73/0xb0 [ 13.807465] print_report+0xd1/0x610 [ 13.807684] ? __virt_addr_valid+0x1db/0x2d0 [ 13.807711] ? kasan_complete_mode_report_info+0x64/0x200 [ 13.807733] ? mempool_double_free_helper+0x184/0x370 [ 13.807769] kasan_report_invalid_free+0x10a/0x130 [ 13.807794] ? mempool_double_free_helper+0x184/0x370 [ 13.807820] ? mempool_double_free_helper+0x184/0x370 [ 13.807855] ? mempool_double_free_helper+0x184/0x370 [ 13.807878] check_slab_allocation+0x101/0x130 [ 13.807899] __kasan_mempool_poison_object+0x91/0x1d0 [ 13.807924] mempool_free+0x2ec/0x380 [ 13.807959] mempool_double_free_helper+0x184/0x370 [ 13.807983] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 13.808016] ? update_load_avg+0x1be/0x21b0 [ 13.808094] ? update_load_avg+0x1be/0x21b0 [ 13.808115] ? update_curr+0x80/0x810 [ 13.808147] ? irqentry_exit+0x2a/0x60 [ 13.808168] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 13.808195] mempool_kmalloc_double_free+0xed/0x140 [ 13.808231] ? __pfx_mempool_kmalloc_double_free+0x10/0x10 [ 13.808257] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.808280] ? __pfx_mempool_kfree+0x10/0x10 [ 13.808314] ? __pfx_mempool_kmalloc_double_free+0x10/0x10 [ 13.808340] ? __pfx_mempool_kmalloc_double_free+0x10/0x10 [ 13.808366] kunit_try_run_case+0x1a5/0x480 [ 13.808391] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.808413] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.808437] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.808461] ? __kthread_parkme+0x82/0x180 [ 13.808494] ? preempt_count_sub+0x50/0x80 [ 13.808517] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.808541] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.808565] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.808589] kthread+0x337/0x6f0 [ 13.808609] ? trace_preempt_on+0x20/0xc0 [ 13.808632] ? __pfx_kthread+0x10/0x10 [ 13.808653] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.808675] ? calculate_sigpending+0x7b/0xa0 [ 13.808699] ? __pfx_kthread+0x10/0x10 [ 13.808720] ret_from_fork+0x116/0x1d0 [ 13.808739] ? __pfx_kthread+0x10/0x10 [ 13.808759] ret_from_fork_asm+0x1a/0x30 [ 13.808790] </TASK> [ 13.808800] [ 13.819722] Allocated by task 254: [ 13.819894] kasan_save_stack+0x45/0x70 [ 13.820115] kasan_save_track+0x18/0x40 [ 13.820359] kasan_save_alloc_info+0x3b/0x50 [ 13.820562] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 13.820829] remove_element+0x11e/0x190 [ 13.821017] mempool_alloc_preallocated+0x4d/0x90 [ 13.821432] mempool_double_free_helper+0x8a/0x370 [ 13.821689] mempool_kmalloc_double_free+0xed/0x140 [ 13.821855] kunit_try_run_case+0x1a5/0x480 [ 13.822002] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.822176] kthread+0x337/0x6f0 [ 13.822307] ret_from_fork+0x116/0x1d0 [ 13.822470] ret_from_fork_asm+0x1a/0x30 [ 13.822662] [ 13.822919] Freed by task 254: [ 13.823305] kasan_save_stack+0x45/0x70 [ 13.823499] kasan_save_track+0x18/0x40 [ 13.823852] kasan_save_free_info+0x3f/0x60 [ 13.824109] __kasan_mempool_poison_object+0x131/0x1d0 [ 13.824359] mempool_free+0x2ec/0x380 [ 13.824505] mempool_double_free_helper+0x109/0x370 [ 13.824669] mempool_kmalloc_double_free+0xed/0x140 [ 13.824831] kunit_try_run_case+0x1a5/0x480 [ 13.824981] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.825156] kthread+0x337/0x6f0 [ 13.825278] ret_from_fork+0x116/0x1d0 [ 13.825422] ret_from_fork_asm+0x1a/0x30 [ 13.825566] [ 13.825639] The buggy address belongs to the object at ffff8881029ceb00 [ 13.825639] which belongs to the cache kmalloc-128 of size 128 [ 13.826089] The buggy address is located 0 bytes inside of [ 13.826089] 128-byte region [ffff8881029ceb00, ffff8881029ceb80) [ 13.826684] [ 13.826763] The buggy address belongs to the physical page: [ 13.826935] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029ce [ 13.827518] flags: 0x200000000000000(node=0|zone=2) [ 13.827775] page_type: f5(slab) [ 13.827940] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.828349] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.828743] page dumped because: kasan: bad access detected [ 13.829014] [ 13.829146] Memory state around the buggy address: [ 13.829382] ffff8881029cea00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.829713] ffff8881029cea80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.830025] >ffff8881029ceb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.830464] ^ [ 13.830731] ffff8881029ceb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.831099] ffff8881029cec00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.831415] ================================================================== [ 13.859171] ================================================================== [ 13.859776] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 13.860570] Free of addr ffff888103a6c000 by task kunit_try_catch/258 [ 13.860856] [ 13.860996] CPU: 0 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.861042] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.861054] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.861074] Call Trace: [ 13.861087] <TASK> [ 13.861102] dump_stack_lvl+0x73/0xb0 [ 13.861133] print_report+0xd1/0x610 [ 13.861155] ? __virt_addr_valid+0x1db/0x2d0 [ 13.861179] ? kasan_addr_to_slab+0x11/0xa0 [ 13.861199] ? mempool_double_free_helper+0x184/0x370 [ 13.861225] kasan_report_invalid_free+0x10a/0x130 [ 13.861260] ? mempool_double_free_helper+0x184/0x370 [ 13.861499] ? mempool_double_free_helper+0x184/0x370 [ 13.861526] __kasan_mempool_poison_pages+0x115/0x130 [ 13.861552] mempool_free+0x290/0x380 [ 13.861579] mempool_double_free_helper+0x184/0x370 [ 13.861603] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 13.861629] ? __kasan_check_write+0x18/0x20 [ 13.861649] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.861672] ? finish_task_switch.isra.0+0x153/0x700 [ 13.861697] mempool_page_alloc_double_free+0xe8/0x140 [ 13.861724] ? __pfx_mempool_page_alloc_double_free+0x10/0x10 [ 13.861750] ? __kasan_check_write+0x18/0x20 [ 13.861771] ? __pfx_mempool_alloc_pages+0x10/0x10 [ 13.861794] ? __pfx_mempool_free_pages+0x10/0x10 [ 13.861820] ? __pfx_read_tsc+0x10/0x10 [ 13.861842] ? ktime_get_ts64+0x86/0x230 [ 13.861864] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 13.861891] kunit_try_run_case+0x1a5/0x480 [ 13.861916] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.861941] ? queued_spin_lock_slowpath+0x116/0xb40 [ 13.861966] ? __kthread_parkme+0x82/0x180 [ 13.861987] ? preempt_count_sub+0x50/0x80 [ 13.862010] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.862041] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.862066] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.862090] kthread+0x337/0x6f0 [ 13.862110] ? trace_preempt_on+0x20/0xc0 [ 13.862133] ? __pfx_kthread+0x10/0x10 [ 13.862153] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.862173] ? calculate_sigpending+0x7b/0xa0 [ 13.862197] ? __pfx_kthread+0x10/0x10 [ 13.862217] ret_from_fork+0x116/0x1d0 [ 13.862237] ? __pfx_kthread+0x10/0x10 [ 13.862256] ret_from_fork_asm+0x1a/0x30 [ 13.862287] </TASK> [ 13.862309] [ 13.872467] The buggy address belongs to the physical page: [ 13.872757] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a6c [ 13.873136] flags: 0x200000000000000(node=0|zone=2) [ 13.873321] raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000 [ 13.873553] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 13.873944] page dumped because: kasan: bad access detected [ 13.874289] [ 13.874393] Memory state around the buggy address: [ 13.874753] ffff888103a6bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.875179] ffff888103a6bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.875416] >ffff888103a6c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.876136] ^ [ 13.876331] ffff888103a6c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.876654] ffff888103a6c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.876979] ==================================================================