Date
June 19, 2025, 12:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.020704] ================================================================== [ 33.020817] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 33.020927] Free of addr fff00000c649db00 by task kunit_try_catch/246 [ 33.020978] [ 33.021029] CPU: 0 UID: 0 PID: 246 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT [ 33.021131] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.021160] Hardware name: linux,dummy-virt (DT) [ 33.021199] Call trace: [ 33.021226] show_stack+0x20/0x38 (C) [ 33.021288] dump_stack_lvl+0x8c/0xd0 [ 33.021345] print_report+0x118/0x608 [ 33.021402] kasan_report_invalid_free+0xc0/0xe8 [ 33.021458] check_slab_allocation+0xd4/0x108 [ 33.021513] __kasan_mempool_poison_object+0x78/0x150 [ 33.021570] mempool_free+0x28c/0x328 [ 33.021627] mempool_double_free_helper+0x150/0x2e8 [ 33.021681] mempool_kmalloc_double_free+0xc0/0x118 [ 33.021737] kunit_try_run_case+0x170/0x3f0 [ 33.021792] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.021851] kthread+0x328/0x630 [ 33.024351] ret_from_fork+0x10/0x20 [ 33.024885] [ 33.025073] Allocated by task 246: [ 33.026794] kasan_save_stack+0x3c/0x68 [ 33.032207] kasan_save_track+0x20/0x40 [ 33.032324] kasan_save_alloc_info+0x40/0x58 [ 33.032438] __kasan_mempool_unpoison_object+0x11c/0x180 [ 33.032529] remove_element+0x130/0x1f8 [ 33.032610] mempool_alloc_preallocated+0x58/0xc0 [ 33.032693] mempool_double_free_helper+0x94/0x2e8 [ 33.032779] mempool_kmalloc_double_free+0xc0/0x118 [ 33.032864] kunit_try_run_case+0x170/0x3f0 [ 33.033260] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.033409] kthread+0x328/0x630 [ 33.033499] ret_from_fork+0x10/0x20 [ 33.033605] [ 33.033901] Freed by task 246: [ 33.033979] kasan_save_stack+0x3c/0x68 [ 33.034085] kasan_save_track+0x20/0x40 [ 33.034176] kasan_save_free_info+0x4c/0x78 [ 33.034336] __kasan_mempool_poison_object+0xc0/0x150 [ 33.034500] mempool_free+0x28c/0x328 [ 33.034688] mempool_double_free_helper+0x100/0x2e8 [ 33.034799] mempool_kmalloc_double_free+0xc0/0x118 [ 33.034936] kunit_try_run_case+0x170/0x3f0 [ 33.035150] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.035326] kthread+0x328/0x630 [ 33.035416] ret_from_fork+0x10/0x20 [ 33.035587] [ 33.035638] The buggy address belongs to the object at fff00000c649db00 [ 33.035638] which belongs to the cache kmalloc-128 of size 128 [ 33.035787] The buggy address is located 0 bytes inside of [ 33.035787] 128-byte region [fff00000c649db00, fff00000c649db80) [ 33.035972] [ 33.036022] The buggy address belongs to the physical page: [ 33.036095] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10649d [ 33.036778] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.036978] page_type: f5(slab) [ 33.037107] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 33.037230] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 33.037333] page dumped because: kasan: bad access detected [ 33.037457] [ 33.037496] Memory state around the buggy address: [ 33.037572] fff00000c649da00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.038019] fff00000c649da80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.038255] >fff00000c649db00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.038383] ^ [ 33.038490] fff00000c649db80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.038642] fff00000c649dc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.038986] ================================================================== [ 33.089221] ================================================================== [ 33.089392] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 33.090478] Free of addr fff00000c63f4000 by task kunit_try_catch/250 [ 33.090584] [ 33.090741] CPU: 0 UID: 0 PID: 250 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT [ 33.091439] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.091517] Hardware name: linux,dummy-virt (DT) [ 33.091595] Call trace: [ 33.091696] show_stack+0x20/0x38 (C) [ 33.091981] dump_stack_lvl+0x8c/0xd0 [ 33.092214] print_report+0x118/0x608 [ 33.092709] kasan_report_invalid_free+0xc0/0xe8 [ 33.092984] __kasan_mempool_poison_pages+0xe0/0xe8 [ 33.093537] mempool_free+0x24c/0x328 [ 33.093930] mempool_double_free_helper+0x150/0x2e8 [ 33.094109] mempool_page_alloc_double_free+0xbc/0x118 [ 33.094222] kunit_try_run_case+0x170/0x3f0 [ 33.094331] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.094450] kthread+0x328/0x630 [ 33.094541] ret_from_fork+0x10/0x20 [ 33.094657] [ 33.094857] The buggy address belongs to the physical page: [ 33.095068] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063f4 [ 33.095674] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.095958] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 33.096518] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 33.096761] page dumped because: kasan: bad access detected [ 33.097303] [ 33.097361] Memory state around the buggy address: [ 33.097500] fff00000c63f3f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.097638] fff00000c63f3f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.097765] >fff00000c63f4000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.097852] ^ [ 33.097923] fff00000c63f4080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.098008] fff00000c63f4100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.098119] ================================================================== [ 33.062930] ================================================================== [ 33.063181] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 33.063356] Free of addr fff00000c63f4000 by task kunit_try_catch/248 [ 33.063462] [ 33.063555] CPU: 0 UID: 0 PID: 248 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT [ 33.063775] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.063843] Hardware name: linux,dummy-virt (DT) [ 33.063937] Call trace: [ 33.063995] show_stack+0x20/0x38 (C) [ 33.064120] dump_stack_lvl+0x8c/0xd0 [ 33.064239] print_report+0x118/0x608 [ 33.064359] kasan_report_invalid_free+0xc0/0xe8 [ 33.064483] __kasan_mempool_poison_object+0x14c/0x150 [ 33.064616] mempool_free+0x28c/0x328 [ 33.064730] mempool_double_free_helper+0x150/0x2e8 [ 33.064857] mempool_kmalloc_large_double_free+0xc0/0x118 [ 33.066122] kunit_try_run_case+0x170/0x3f0 [ 33.066487] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.066761] kthread+0x328/0x630 [ 33.067057] ret_from_fork+0x10/0x20 [ 33.067351] [ 33.067405] The buggy address belongs to the physical page: [ 33.067719] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063f4 [ 33.067948] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 33.068211] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 33.068459] page_type: f8(unknown) [ 33.068924] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 33.069455] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 33.069719] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 33.069961] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 33.070231] head: 0bfffe0000000002 ffffc1ffc318fd01 00000000ffffffff 00000000ffffffff [ 33.071282] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 33.071352] page dumped because: kasan: bad access detected [ 33.071397] [ 33.071421] Memory state around the buggy address: [ 33.071477] fff00000c63f3f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.071620] fff00000c63f3f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.071746] >fff00000c63f4000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.071849] ^ [ 33.071937] fff00000c63f4080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.072038] fff00000c63f4100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.072139] ==================================================================
[ 29.003849] ================================================================== [ 29.004830] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 29.005792] Free of addr ffff888102afc000 by task kunit_try_catch/266 [ 29.006180] [ 29.006342] CPU: 1 UID: 0 PID: 266 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) [ 29.006461] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.006492] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.006538] Call Trace: [ 29.006560] <TASK> [ 29.006585] dump_stack_lvl+0x73/0xb0 [ 29.006632] print_report+0xd1/0x650 [ 29.006659] ? __virt_addr_valid+0x1db/0x2d0 [ 29.006703] ? kasan_addr_to_slab+0x11/0xa0 [ 29.006737] ? mempool_double_free_helper+0x184/0x370 [ 29.006764] kasan_report_invalid_free+0x10a/0x130 [ 29.006790] ? mempool_double_free_helper+0x184/0x370 [ 29.006818] ? mempool_double_free_helper+0x184/0x370 [ 29.006842] __kasan_mempool_poison_object+0x1b3/0x1d0 [ 29.006869] mempool_free+0x2ec/0x380 [ 29.006898] mempool_double_free_helper+0x184/0x370 [ 29.006923] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 29.006950] ? __kasan_check_write+0x18/0x20 [ 29.006975] ? __pfx_sched_clock_cpu+0x10/0x10 [ 29.006999] ? finish_task_switch.isra.0+0x153/0x700 [ 29.007028] mempool_kmalloc_large_double_free+0xed/0x140 [ 29.007052] ? __pfx_mempool_kmalloc_large_double_free+0x10/0x10 [ 29.007081] ? __pfx_mempool_kmalloc+0x10/0x10 [ 29.007309] ? __pfx_mempool_kfree+0x10/0x10 [ 29.007387] ? __pfx_read_tsc+0x10/0x10 [ 29.007429] ? ktime_get_ts64+0x86/0x230 [ 29.007475] kunit_try_run_case+0x1a5/0x480 [ 29.007529] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.007578] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 29.007632] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 29.007681] ? __kthread_parkme+0x82/0x180 [ 29.007729] ? preempt_count_sub+0x50/0x80 [ 29.007783] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.007836] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.007878] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 29.007925] kthread+0x337/0x6f0 [ 29.007980] ? trace_preempt_on+0x20/0xc0 [ 29.008045] ? __pfx_kthread+0x10/0x10 [ 29.008084] ? _raw_spin_unlock_irq+0x47/0x80 [ 29.008160] ? calculate_sigpending+0x7b/0xa0 [ 29.008200] ? __pfx_kthread+0x10/0x10 [ 29.008235] ret_from_fork+0x116/0x1d0 [ 29.008259] ? __pfx_kthread+0x10/0x10 [ 29.008281] ret_from_fork_asm+0x1a/0x30 [ 29.008314] </TASK> [ 29.008328] [ 29.026056] The buggy address belongs to the physical page: [ 29.026788] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102afc [ 29.027520] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 29.028273] flags: 0x200000000000040(head|node=0|zone=2) [ 29.028522] page_type: f8(unknown) [ 29.029218] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 29.030160] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 29.030897] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 29.031091] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 29.031379] head: 0200000000000002 ffffea00040abf01 00000000ffffffff 00000000ffffffff [ 29.032001] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 29.032447] page dumped because: kasan: bad access detected [ 29.032851] [ 29.032968] Memory state around the buggy address: [ 29.033833] ffff888102afbf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.034681] ffff888102afbf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.035369] >ffff888102afc000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.036156] ^ [ 29.036479] ffff888102afc080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.037314] ffff888102afc100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.038078] ================================================================== [ 28.956163] ================================================================== [ 28.956940] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 28.957749] Free of addr ffff888103259800 by task kunit_try_catch/264 [ 28.958417] [ 28.958624] CPU: 0 UID: 0 PID: 264 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) [ 28.958746] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.958773] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.958819] Call Trace: [ 28.958849] <TASK> [ 28.958890] dump_stack_lvl+0x73/0xb0 [ 28.959187] print_report+0xd1/0x650 [ 28.959234] ? __virt_addr_valid+0x1db/0x2d0 [ 28.959292] ? kasan_complete_mode_report_info+0x64/0x200 [ 28.959364] ? mempool_double_free_helper+0x184/0x370 [ 28.959429] kasan_report_invalid_free+0x10a/0x130 [ 28.959481] ? mempool_double_free_helper+0x184/0x370 [ 28.959536] ? mempool_double_free_helper+0x184/0x370 [ 28.959587] ? mempool_double_free_helper+0x184/0x370 [ 28.959640] check_slab_allocation+0x101/0x130 [ 28.959685] __kasan_mempool_poison_object+0x91/0x1d0 [ 28.959737] mempool_free+0x2ec/0x380 [ 28.959796] mempool_double_free_helper+0x184/0x370 [ 28.959850] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 28.959933] ? update_load_avg+0x1be/0x21b0 [ 28.960193] ? update_load_avg+0x1be/0x21b0 [ 28.960223] ? update_curr+0x80/0x810 [ 28.960246] ? __kasan_check_write+0x18/0x20 [ 28.960276] ? finish_task_switch.isra.0+0x153/0x700 [ 28.960307] mempool_kmalloc_double_free+0xed/0x140 [ 28.960334] ? __pfx_mempool_kmalloc_double_free+0x10/0x10 [ 28.960363] ? __pfx_mempool_kmalloc+0x10/0x10 [ 28.960388] ? __pfx_mempool_kfree+0x10/0x10 [ 28.960414] ? __pfx_read_tsc+0x10/0x10 [ 28.960441] ? ktime_get_ts64+0x86/0x230 [ 28.960469] kunit_try_run_case+0x1a5/0x480 [ 28.960499] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.960522] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 28.960550] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 28.960576] ? __kthread_parkme+0x82/0x180 [ 28.960599] ? preempt_count_sub+0x50/0x80 [ 28.960625] ? __pfx_kunit_try_run_case+0x10/0x10 [ 28.960650] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.960675] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 28.960703] kthread+0x337/0x6f0 [ 28.960725] ? trace_preempt_on+0x20/0xc0 [ 28.960751] ? __pfx_kthread+0x10/0x10 [ 28.960774] ? _raw_spin_unlock_irq+0x47/0x80 [ 28.960797] ? calculate_sigpending+0x7b/0xa0 [ 28.960824] ? __pfx_kthread+0x10/0x10 [ 28.960848] ret_from_fork+0x116/0x1d0 [ 28.960870] ? __pfx_kthread+0x10/0x10 [ 28.960892] ret_from_fork_asm+0x1a/0x30 [ 28.960927] </TASK> [ 28.960941] [ 28.975937] Allocated by task 264: [ 28.976536] kasan_save_stack+0x45/0x70 [ 28.977285] kasan_save_track+0x18/0x40 [ 28.977576] kasan_save_alloc_info+0x3b/0x50 [ 28.977791] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 28.978194] remove_element+0x11e/0x190 [ 28.978403] mempool_alloc_preallocated+0x4d/0x90 [ 28.978619] mempool_double_free_helper+0x8a/0x370 [ 28.979195] mempool_kmalloc_double_free+0xed/0x140 [ 28.979696] kunit_try_run_case+0x1a5/0x480 [ 28.980242] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.980736] kthread+0x337/0x6f0 [ 28.981192] ret_from_fork+0x116/0x1d0 [ 28.981546] ret_from_fork_asm+0x1a/0x30 [ 28.981806] [ 28.981975] Freed by task 264: [ 28.982471] kasan_save_stack+0x45/0x70 [ 28.982807] kasan_save_track+0x18/0x40 [ 28.983339] kasan_save_free_info+0x3f/0x60 [ 28.983692] __kasan_mempool_poison_object+0x131/0x1d0 [ 28.984256] mempool_free+0x2ec/0x380 [ 28.984491] mempool_double_free_helper+0x109/0x370 [ 28.984714] mempool_kmalloc_double_free+0xed/0x140 [ 28.985077] kunit_try_run_case+0x1a5/0x480 [ 28.985493] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.986158] kthread+0x337/0x6f0 [ 28.986491] ret_from_fork+0x116/0x1d0 [ 28.986826] ret_from_fork_asm+0x1a/0x30 [ 28.987495] [ 28.987708] The buggy address belongs to the object at ffff888103259800 [ 28.987708] which belongs to the cache kmalloc-128 of size 128 [ 28.988677] The buggy address is located 0 bytes inside of [ 28.988677] 128-byte region [ffff888103259800, ffff888103259880) [ 28.989480] [ 28.989712] The buggy address belongs to the physical page: [ 28.990321] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103259 [ 28.990985] flags: 0x200000000000000(node=0|zone=2) [ 28.991593] page_type: f5(slab) [ 28.991874] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 28.992396] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 28.992693] page dumped because: kasan: bad access detected [ 28.993274] [ 28.993467] Memory state around the buggy address: [ 28.993923] ffff888103259700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.994662] ffff888103259780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.995417] >ffff888103259800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.996150] ^ [ 28.996348] ffff888103259880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.996824] ffff888103259900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 28.997673] ================================================================== [ 29.045497] ================================================================== [ 29.046298] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 29.047033] Free of addr ffff888102afc000 by task kunit_try_catch/268 [ 29.048038] [ 29.048310] CPU: 1 UID: 0 PID: 268 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) [ 29.048654] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.048683] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.048728] Call Trace: [ 29.048752] <TASK> [ 29.048777] dump_stack_lvl+0x73/0xb0 [ 29.048828] print_report+0xd1/0x650 [ 29.048856] ? __virt_addr_valid+0x1db/0x2d0 [ 29.048885] ? kasan_addr_to_slab+0x11/0xa0 [ 29.049062] ? mempool_double_free_helper+0x184/0x370 [ 29.049096] kasan_report_invalid_free+0x10a/0x130 [ 29.049147] ? mempool_double_free_helper+0x184/0x370 [ 29.049175] ? mempool_double_free_helper+0x184/0x370 [ 29.049199] __kasan_mempool_poison_pages+0x115/0x130 [ 29.049264] mempool_free+0x290/0x380 [ 29.049310] mempool_double_free_helper+0x184/0x370 [ 29.049351] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 29.049391] ? __kasan_check_write+0x18/0x20 [ 29.049429] ? __pfx_sched_clock_cpu+0x10/0x10 [ 29.049467] ? finish_task_switch.isra.0+0x153/0x700 [ 29.049512] mempool_page_alloc_double_free+0xe8/0x140 [ 29.049552] ? __pfx_mempool_page_alloc_double_free+0x10/0x10 [ 29.049595] ? __pfx_mempool_alloc_pages+0x10/0x10 [ 29.049669] ? __pfx_mempool_free_pages+0x10/0x10 [ 29.049715] ? __pfx_read_tsc+0x10/0x10 [ 29.049741] ? ktime_get_ts64+0x86/0x230 [ 29.049770] kunit_try_run_case+0x1a5/0x480 [ 29.049799] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.049823] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 29.049849] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 29.049873] ? __kthread_parkme+0x82/0x180 [ 29.049897] ? preempt_count_sub+0x50/0x80 [ 29.049945] ? __pfx_kunit_try_run_case+0x10/0x10 [ 29.050003] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.050043] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 29.050082] kthread+0x337/0x6f0 [ 29.050131] ? trace_preempt_on+0x20/0xc0 [ 29.050161] ? __pfx_kthread+0x10/0x10 [ 29.050184] ? _raw_spin_unlock_irq+0x47/0x80 [ 29.050206] ? calculate_sigpending+0x7b/0xa0 [ 29.050232] ? __pfx_kthread+0x10/0x10 [ 29.050254] ret_from_fork+0x116/0x1d0 [ 29.050277] ? __pfx_kthread+0x10/0x10 [ 29.050299] ret_from_fork_asm+0x1a/0x30 [ 29.050331] </TASK> [ 29.050345] [ 29.065816] The buggy address belongs to the physical page: [ 29.066375] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102afc [ 29.066942] flags: 0x200000000000000(node=0|zone=2) [ 29.067202] raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000 [ 29.067426] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 29.067657] page dumped because: kasan: bad access detected [ 29.067844] [ 29.067927] Memory state around the buggy address: [ 29.068152] ffff888102afbf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.068535] ffff888102afbf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.069079] >ffff888102afc000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.069655] ^ [ 29.069975] ffff888102afc080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.070660] ffff888102afc100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 29.071294] ==================================================================