Date
July 3, 2025, 10:10 a.m.
| Environment | |
|---|---|
| dragonboard-845c | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 50.980145] ================================================================== [ 50.992503] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 51.000623] Free of addr ffff000082240d01 by task kunit_try_catch/350 [ 51.007152] [ 51.008697] CPU: 3 UID: 0 PID: 350 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 51.008730] Tainted: [B]=BAD_PAGE, [N]=TEST [ 51.008739] Hardware name: Thundercomm Dragonboard 845c (DT) [ 51.008751] Call trace: [ 51.008759] show_stack+0x20/0x38 (C) [ 51.008778] dump_stack_lvl+0x8c/0xd0 [ 51.008800] print_report+0x118/0x608 [ 51.008823] kasan_report_invalid_free+0xc0/0xe8 [ 51.008845] check_slab_allocation+0xfc/0x108 [ 51.008865] __kasan_mempool_poison_object+0x78/0x150 [ 51.008890] mempool_free+0x28c/0x328 [ 51.008908] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 51.008930] mempool_kmalloc_invalid_free+0xc0/0x118 [ 51.008951] kunit_try_run_case+0x170/0x3f0 [ 51.008971] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 51.008995] kthread+0x328/0x630 [ 51.009011] ret_from_fork+0x10/0x20 [ 51.009030] [ 51.090707] Allocated by task 350: [ 51.094168] kasan_save_stack+0x3c/0x68 [ 51.098080] kasan_save_track+0x20/0x40 [ 51.101992] kasan_save_alloc_info+0x40/0x58 [ 51.106330] __kasan_mempool_unpoison_object+0x11c/0x180 [ 51.111727] remove_element+0x130/0x1f8 [ 51.115637] mempool_alloc_preallocated+0x58/0xc0 [ 51.120417] mempool_kmalloc_invalid_free_helper+0x94/0x2a8 [ 51.126076] mempool_kmalloc_invalid_free+0xc0/0x118 [ 51.131117] kunit_try_run_case+0x170/0x3f0 [ 51.135371] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 51.140943] kthread+0x328/0x630 [ 51.144234] ret_from_fork+0x10/0x20 [ 51.147873] [ 51.149406] The buggy address belongs to the object at ffff000082240d00 [ 51.149406] which belongs to the cache kmalloc-128 of size 128 [ 51.162072] The buggy address is located 1 bytes inside of [ 51.162072] 128-byte region [ffff000082240d00, ffff000082240d80) [ 51.173778] [ 51.175309] The buggy address belongs to the physical page: [ 51.180956] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102240 [ 51.189072] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 51.196832] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 51.203889] page_type: f5(slab) [ 51.207099] raw: 0bfffe0000000040 ffff000080002a00 dead000000000122 0000000000000000 [ 51.214947] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 51.222794] head: 0bfffe0000000040 ffff000080002a00 dead000000000122 0000000000000000 [ 51.230727] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 51.238662] head: 0bfffe0000000001 fffffdffc2089001 00000000ffffffff 00000000ffffffff [ 51.246594] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 51.254523] page dumped because: kasan: bad access detected [ 51.260181] [ 51.261713] Memory state around the buggy address: [ 51.266576] ffff000082240c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 51.273901] ffff000082240c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 51.281226] >ffff000082240d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 51.288550] ^ [ 51.291842] ffff000082240d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 51.299162] ffff000082240e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 51.306476] ================================================================== [ 51.317178] ================================================================== [ 51.329369] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 51.337487] Free of addr ffff00008553c001 by task kunit_try_catch/352 [ 51.344023] [ 51.345558] CPU: 3 UID: 0 PID: 352 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 51.345590] Tainted: [B]=BAD_PAGE, [N]=TEST [ 51.345600] Hardware name: Thundercomm Dragonboard 845c (DT) [ 51.345613] Call trace: [ 51.345620] show_stack+0x20/0x38 (C) [ 51.345640] dump_stack_lvl+0x8c/0xd0 [ 51.345662] print_report+0x118/0x608 [ 51.345686] kasan_report_invalid_free+0xc0/0xe8 [ 51.345707] __kasan_mempool_poison_object+0xfc/0x150 [ 51.345732] mempool_free+0x28c/0x328 [ 51.345751] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 51.345773] mempool_kmalloc_large_invalid_free+0xc0/0x118 [ 51.345794] kunit_try_run_case+0x170/0x3f0 [ 51.345813] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 51.345836] kthread+0x328/0x630 [ 51.345853] ret_from_fork+0x10/0x20 [ 51.345871] [ 51.423654] The buggy address belongs to the physical page: [ 51.429300] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10553c [ 51.437414] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 51.445171] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 51.452226] page_type: f8(unknown) [ 51.455695] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 51.463539] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 51.471381] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 51.479311] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 51.487252] head: 0bfffe0000000002 fffffdffc2154f01 00000000ffffffff 00000000ffffffff [ 51.495194] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 51.503128] page dumped because: kasan: bad access detected [ 51.508782] [ 51.510313] Memory state around the buggy address: [ 51.515172] ffff00008553bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 51.522497] ffff00008553bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 51.529821] >ffff00008553c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 51.537140] ^ [ 51.540430] ffff00008553c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 51.547755] ffff00008553c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 51.555067] ==================================================================
[ 33.186223] ================================================================== [ 33.186281] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 33.186345] Free of addr fff00000c9c7c001 by task kunit_try_catch/275 [ 33.186601] [ 33.186637] CPU: 0 UID: 0 PID: 275 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 33.186723] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.186750] Hardware name: linux,dummy-virt (DT) [ 33.186784] Call trace: [ 33.187205] show_stack+0x20/0x38 (C) [ 33.187557] dump_stack_lvl+0x8c/0xd0 [ 33.187775] print_report+0x118/0x608 [ 33.187826] kasan_report_invalid_free+0xc0/0xe8 [ 33.187888] __kasan_mempool_poison_object+0xfc/0x150 [ 33.188187] mempool_free+0x28c/0x328 [ 33.188236] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 33.188290] mempool_kmalloc_large_invalid_free+0xc0/0x118 [ 33.188476] kunit_try_run_case+0x170/0x3f0 [ 33.188525] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.188581] kthread+0x328/0x630 [ 33.188722] ret_from_fork+0x10/0x20 [ 33.188771] [ 33.188791] The buggy address belongs to the physical page: [ 33.189057] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109c7c [ 33.189118] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 33.189166] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 33.189222] page_type: f8(unknown) [ 33.189327] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 33.189665] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 33.189718] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 33.189768] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 33.189818] head: 0bfffe0000000002 ffffc1ffc3271f01 00000000ffffffff 00000000ffffffff [ 33.190314] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 33.190394] page dumped because: kasan: bad access detected [ 33.190440] [ 33.190459] Memory state around the buggy address: [ 33.190493] fff00000c9c7bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.190535] fff00000c9c7bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.190655] >fff00000c9c7c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.190773] ^ [ 33.190814] fff00000c9c7c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.190870] fff00000c9c7c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.190910] ================================================================== [ 33.170431] ================================================================== [ 33.170490] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 33.170548] Free of addr fff00000c5a89001 by task kunit_try_catch/273 [ 33.170592] [ 33.170624] CPU: 0 UID: 0 PID: 273 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT [ 33.170711] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.171057] Hardware name: linux,dummy-virt (DT) [ 33.171313] Call trace: [ 33.171440] show_stack+0x20/0x38 (C) [ 33.171496] dump_stack_lvl+0x8c/0xd0 [ 33.171553] print_report+0x118/0x608 [ 33.171622] kasan_report_invalid_free+0xc0/0xe8 [ 33.171867] check_slab_allocation+0xfc/0x108 [ 33.171958] __kasan_mempool_poison_object+0x78/0x150 [ 33.172049] mempool_free+0x28c/0x328 [ 33.172162] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 33.172217] mempool_kmalloc_invalid_free+0xc0/0x118 [ 33.172270] kunit_try_run_case+0x170/0x3f0 [ 33.172365] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.172423] kthread+0x328/0x630 [ 33.172466] ret_from_fork+0x10/0x20 [ 33.172517] [ 33.172535] Allocated by task 273: [ 33.172567] kasan_save_stack+0x3c/0x68 [ 33.172609] kasan_save_track+0x20/0x40 [ 33.172705] kasan_save_alloc_info+0x40/0x58 [ 33.172769] __kasan_mempool_unpoison_object+0x11c/0x180 [ 33.172815] remove_element+0x130/0x1f8 [ 33.172862] mempool_alloc_preallocated+0x58/0xc0 [ 33.172903] mempool_kmalloc_invalid_free_helper+0x94/0x2a8 [ 33.172982] mempool_kmalloc_invalid_free+0xc0/0x118 [ 33.173025] kunit_try_run_case+0x170/0x3f0 [ 33.173065] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.173112] kthread+0x328/0x630 [ 33.173145] ret_from_fork+0x10/0x20 [ 33.173199] [ 33.173241] The buggy address belongs to the object at fff00000c5a89000 [ 33.173241] which belongs to the cache kmalloc-128 of size 128 [ 33.173302] The buggy address is located 1 bytes inside of [ 33.173302] 128-byte region [fff00000c5a89000, fff00000c5a89080) [ 33.173418] [ 33.173480] The buggy address belongs to the physical page: [ 33.173511] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a89 [ 33.173575] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 33.173624] page_type: f5(slab) [ 33.173697] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 33.173762] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 33.173803] page dumped because: kasan: bad access detected [ 33.173845] [ 33.173863] Memory state around the buggy address: [ 33.173917] fff00000c5a88f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.174097] fff00000c5a88f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.174231] >fff00000c5a89000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.174270] ^ [ 33.174356] fff00000c5a89080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.174411] fff00000c5a89100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.174466] ==================================================================
[ 24.927831] ================================================================== [ 24.929267] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 24.930059] Free of addr ffff88810607c001 by task kunit_try_catch/292 [ 24.930413] [ 24.930631] CPU: 1 UID: 0 PID: 292 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT(voluntary) [ 24.930682] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.930695] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.930717] Call Trace: [ 24.930738] <TASK> [ 24.930755] dump_stack_lvl+0x73/0xb0 [ 24.930785] print_report+0xd1/0x650 [ 24.930818] ? __virt_addr_valid+0x1db/0x2d0 [ 24.930844] ? kasan_addr_to_slab+0x11/0xa0 [ 24.930867] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 24.930893] kasan_report_invalid_free+0x10a/0x130 [ 24.930917] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 24.930945] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 24.930970] __kasan_mempool_poison_object+0x102/0x1d0 [ 24.930994] mempool_free+0x2ec/0x380 [ 24.931020] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 24.931044] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 24.931068] ? update_load_avg+0x1be/0x21b0 [ 24.931094] ? finish_task_switch.isra.0+0x153/0x700 [ 24.931121] mempool_kmalloc_large_invalid_free+0xed/0x140 [ 24.931145] ? __pfx_mempool_kmalloc_large_invalid_free+0x10/0x10 [ 24.931228] ? __pfx_mempool_kmalloc+0x10/0x10 [ 24.931251] ? __pfx_mempool_kfree+0x10/0x10 [ 24.931274] ? __pfx_read_tsc+0x10/0x10 [ 24.931296] ? ktime_get_ts64+0x86/0x230 [ 24.931320] kunit_try_run_case+0x1a5/0x480 [ 24.931345] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.931367] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.931390] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.931415] ? __kthread_parkme+0x82/0x180 [ 24.931436] ? preempt_count_sub+0x50/0x80 [ 24.931470] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.931495] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.931518] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.931543] kthread+0x337/0x6f0 [ 24.931562] ? trace_preempt_on+0x20/0xc0 [ 24.931585] ? __pfx_kthread+0x10/0x10 [ 24.931606] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.931629] ? calculate_sigpending+0x7b/0xa0 [ 24.931653] ? __pfx_kthread+0x10/0x10 [ 24.931674] ret_from_fork+0x116/0x1d0 [ 24.931693] ? __pfx_kthread+0x10/0x10 [ 24.931713] ret_from_fork_asm+0x1a/0x30 [ 24.931744] </TASK> [ 24.931755] [ 24.940710] The buggy address belongs to the physical page: [ 24.940993] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10607c [ 24.941573] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 24.941953] flags: 0x200000000000040(head|node=0|zone=2) [ 24.942383] page_type: f8(unknown) [ 24.942582] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 24.942893] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 24.943120] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 24.943598] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 24.944121] head: 0200000000000002 ffffea0004181f01 00000000ffffffff 00000000ffffffff [ 24.944354] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 24.944583] page dumped because: kasan: bad access detected [ 24.945117] [ 24.945288] Memory state around the buggy address: [ 24.945519] ffff88810607bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 24.945799] ffff88810607bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 24.946014] >ffff88810607c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.946350] ^ [ 24.946551] ffff88810607c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.946928] ffff88810607c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.947540] ================================================================== [ 24.887073] ================================================================== [ 24.887495] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 24.887746] Free of addr ffff888105ab1a01 by task kunit_try_catch/290 [ 24.887937] [ 24.888016] CPU: 0 UID: 0 PID: 290 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250703 #1 PREEMPT(voluntary) [ 24.888064] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.888077] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.888100] Call Trace: [ 24.888112] <TASK> [ 24.888127] dump_stack_lvl+0x73/0xb0 [ 24.888156] print_report+0xd1/0x650 [ 24.888179] ? __virt_addr_valid+0x1db/0x2d0 [ 24.888203] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.888228] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 24.888253] kasan_report_invalid_free+0x10a/0x130 [ 24.888276] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 24.888303] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 24.888326] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 24.888349] check_slab_allocation+0x11f/0x130 [ 24.888375] __kasan_mempool_poison_object+0x91/0x1d0 [ 24.888398] mempool_free+0x2ec/0x380 [ 24.888423] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 24.888448] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 24.888851] ? __pfx_sched_clock_cpu+0x10/0x10 [ 24.889082] ? finish_task_switch.isra.0+0x153/0x700 [ 24.889123] mempool_kmalloc_invalid_free+0xed/0x140 [ 24.889193] ? __pfx_mempool_kmalloc_invalid_free+0x10/0x10 [ 24.889221] ? __pfx_mempool_kmalloc+0x10/0x10 [ 24.889243] ? __pfx_mempool_kfree+0x10/0x10 [ 24.889267] ? __pfx_read_tsc+0x10/0x10 [ 24.889289] ? ktime_get_ts64+0x86/0x230 [ 24.889313] kunit_try_run_case+0x1a5/0x480 [ 24.889340] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.889365] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.889387] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.889415] ? __kthread_parkme+0x82/0x180 [ 24.889435] ? preempt_count_sub+0x50/0x80 [ 24.889476] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.889501] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.889526] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.889552] kthread+0x337/0x6f0 [ 24.889572] ? trace_preempt_on+0x20/0xc0 [ 24.889597] ? __pfx_kthread+0x10/0x10 [ 24.889617] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.889642] ? calculate_sigpending+0x7b/0xa0 [ 24.889665] ? __pfx_kthread+0x10/0x10 [ 24.889687] ret_from_fork+0x116/0x1d0 [ 24.889707] ? __pfx_kthread+0x10/0x10 [ 24.889728] ret_from_fork_asm+0x1a/0x30 [ 24.889758] </TASK> [ 24.889769] [ 24.908364] Allocated by task 290: [ 24.908607] kasan_save_stack+0x45/0x70 [ 24.909024] kasan_save_track+0x18/0x40 [ 24.909476] kasan_save_alloc_info+0x3b/0x50 [ 24.909912] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 24.910077] remove_element+0x11e/0x190 [ 24.910507] mempool_alloc_preallocated+0x4d/0x90 [ 24.911003] mempool_kmalloc_invalid_free_helper+0x83/0x2e0 [ 24.911512] mempool_kmalloc_invalid_free+0xed/0x140 [ 24.911857] kunit_try_run_case+0x1a5/0x480 [ 24.912298] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.913010] kthread+0x337/0x6f0 [ 24.913242] ret_from_fork+0x116/0x1d0 [ 24.913672] ret_from_fork_asm+0x1a/0x30 [ 24.913853] [ 24.913923] The buggy address belongs to the object at ffff888105ab1a00 [ 24.913923] which belongs to the cache kmalloc-128 of size 128 [ 24.914356] The buggy address is located 1 bytes inside of [ 24.914356] 128-byte region [ffff888105ab1a00, ffff888105ab1a80) [ 24.915551] [ 24.915714] The buggy address belongs to the physical page: [ 24.916244] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105ab1 [ 24.917032] flags: 0x200000000000000(node=0|zone=2) [ 24.917557] page_type: f5(slab) [ 24.917852] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 24.918515] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.918733] page dumped because: kasan: bad access detected [ 24.918893] [ 24.918956] Memory state around the buggy address: [ 24.919100] ffff888105ab1900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.919689] ffff888105ab1980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.920438] >ffff888105ab1a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.921107] ^ [ 24.921608] ffff888105ab1a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.922286] ffff888105ab1b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.922841] ==================================================================