Date
July 9, 2025, 1:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.309326] ================================================================== [ 31.309398] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 31.309476] Read of size 1 at addr fff00000c7d40273 by task kunit_try_catch/253 [ 31.309529] [ 31.309574] CPU: 1 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 31.309668] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.309696] Hardware name: linux,dummy-virt (DT) [ 31.309731] Call trace: [ 31.309758] show_stack+0x20/0x38 (C) [ 31.309812] dump_stack_lvl+0x8c/0xd0 [ 31.309864] print_report+0x118/0x5d0 [ 31.310527] kasan_report+0xdc/0x128 [ 31.310700] __asan_report_load1_noabort+0x20/0x30 [ 31.310754] mempool_oob_right_helper+0x2ac/0x2f0 [ 31.310807] mempool_kmalloc_oob_right+0xc4/0x120 [ 31.311050] kunit_try_run_case+0x170/0x3f0 [ 31.311130] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.311292] kthread+0x328/0x630 [ 31.311336] ret_from_fork+0x10/0x20 [ 31.311388] [ 31.311408] Allocated by task 253: [ 31.311439] kasan_save_stack+0x3c/0x68 [ 31.311481] kasan_save_track+0x20/0x40 [ 31.311520] kasan_save_alloc_info+0x40/0x58 [ 31.311923] __kasan_mempool_unpoison_object+0x11c/0x180 [ 31.311970] remove_element+0x130/0x1f8 [ 31.312126] mempool_alloc_preallocated+0x58/0xc0 [ 31.312331] mempool_oob_right_helper+0x98/0x2f0 [ 31.312379] mempool_kmalloc_oob_right+0xc4/0x120 [ 31.312420] kunit_try_run_case+0x170/0x3f0 [ 31.312498] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.312601] kthread+0x328/0x630 [ 31.312674] ret_from_fork+0x10/0x20 [ 31.312783] [ 31.312804] The buggy address belongs to the object at fff00000c7d40200 [ 31.312804] which belongs to the cache kmalloc-128 of size 128 [ 31.312909] The buggy address is located 0 bytes to the right of [ 31.312909] allocated 115-byte region [fff00000c7d40200, fff00000c7d40273) [ 31.313048] [ 31.313084] The buggy address belongs to the physical page: [ 31.313184] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107d40 [ 31.313296] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.313447] page_type: f5(slab) [ 31.313534] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 31.313651] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 31.313701] page dumped because: kasan: bad access detected [ 31.313834] [ 31.313873] Memory state around the buggy address: [ 31.313929] fff00000c7d40100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.314027] fff00000c7d40180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.314079] >fff00000c7d40200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 31.314118] ^ [ 31.314159] fff00000c7d40280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.314202] fff00000c7d40300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 31.314241] ================================================================== [ 31.341358] ================================================================== [ 31.341605] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 31.342122] Read of size 1 at addr fff00000c7d542bb by task kunit_try_catch/257 [ 31.342340] [ 31.342386] CPU: 1 UID: 0 PID: 257 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 31.342496] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.342522] Hardware name: linux,dummy-virt (DT) [ 31.342554] Call trace: [ 31.342882] show_stack+0x20/0x38 (C) [ 31.343177] dump_stack_lvl+0x8c/0xd0 [ 31.343240] print_report+0x118/0x5d0 [ 31.343322] kasan_report+0xdc/0x128 [ 31.343364] __asan_report_load1_noabort+0x20/0x30 [ 31.343414] mempool_oob_right_helper+0x2ac/0x2f0 [ 31.343463] mempool_slab_oob_right+0xc0/0x118 [ 31.343817] kunit_try_run_case+0x170/0x3f0 [ 31.343872] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.343927] kthread+0x328/0x630 [ 31.344224] ret_from_fork+0x10/0x20 [ 31.344283] [ 31.344323] Allocated by task 257: [ 31.344354] kasan_save_stack+0x3c/0x68 [ 31.344399] kasan_save_track+0x20/0x40 [ 31.344437] kasan_save_alloc_info+0x40/0x58 [ 31.344691] __kasan_mempool_unpoison_object+0xbc/0x180 [ 31.345227] remove_element+0x16c/0x1f8 [ 31.345413] mempool_alloc_preallocated+0x58/0xc0 [ 31.345683] mempool_oob_right_helper+0x98/0x2f0 [ 31.345759] mempool_slab_oob_right+0xc0/0x118 [ 31.345801] kunit_try_run_case+0x170/0x3f0 [ 31.345850] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.345982] kthread+0x328/0x630 [ 31.346016] ret_from_fork+0x10/0x20 [ 31.346064] [ 31.346084] The buggy address belongs to the object at fff00000c7d54240 [ 31.346084] which belongs to the cache test_cache of size 123 [ 31.346490] The buggy address is located 0 bytes to the right of [ 31.346490] allocated 123-byte region [fff00000c7d54240, fff00000c7d542bb) [ 31.346597] [ 31.346682] The buggy address belongs to the physical page: [ 31.346749] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107d54 [ 31.346800] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 31.346894] page_type: f5(slab) [ 31.347031] raw: 0bfffe0000000000 fff00000c3f543c0 dead000000000122 0000000000000000 [ 31.347334] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 31.347426] page dumped because: kasan: bad access detected [ 31.347459] [ 31.347477] Memory state around the buggy address: [ 31.347511] fff00000c7d54180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 31.347557] fff00000c7d54200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 31.347603] >fff00000c7d54280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 31.347648] ^ [ 31.348188] fff00000c7d54300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.348615] fff00000c7d54380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 31.349123] ================================================================== [ 31.325877] ================================================================== [ 31.325942] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 31.326002] Read of size 1 at addr fff00000c9ace001 by task kunit_try_catch/255 [ 31.326340] [ 31.326386] CPU: 1 UID: 0 PID: 255 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 31.326478] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.326505] Hardware name: linux,dummy-virt (DT) [ 31.326537] Call trace: [ 31.326791] show_stack+0x20/0x38 (C) [ 31.327143] dump_stack_lvl+0x8c/0xd0 [ 31.327414] print_report+0x118/0x5d0 [ 31.327791] kasan_report+0xdc/0x128 [ 31.327843] __asan_report_load1_noabort+0x20/0x30 [ 31.327894] mempool_oob_right_helper+0x2ac/0x2f0 [ 31.327943] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 31.327995] kunit_try_run_case+0x170/0x3f0 [ 31.328048] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.328113] kthread+0x328/0x630 [ 31.328155] ret_from_fork+0x10/0x20 [ 31.328202] [ 31.328225] The buggy address belongs to the physical page: [ 31.328258] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109acc [ 31.328309] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 31.328355] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 31.328409] page_type: f8(unknown) [ 31.328449] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 31.328500] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 31.328550] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 31.328598] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 31.328648] head: 0bfffe0000000002 ffffc1ffc326b301 00000000ffffffff 00000000ffffffff [ 31.328697] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 31.328738] page dumped because: kasan: bad access detected [ 31.328770] [ 31.328788] Memory state around the buggy address: [ 31.328819] fff00000c9acdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.328860] fff00000c9acdf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 31.328903] >fff00000c9ace000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 31.328943] ^ [ 31.328971] fff00000c9ace080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 31.329013] fff00000c9ace100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 31.329059] ==================================================================
[ 25.516384] ================================================================== [ 25.516834] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 25.517222] Read of size 1 at addr ffff8881060ac173 by task kunit_try_catch/271 [ 25.517564] [ 25.517661] CPU: 1 UID: 0 PID: 271 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 25.517732] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 25.517746] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.517770] Call Trace: [ 25.517798] <TASK> [ 25.517889] dump_stack_lvl+0x73/0xb0 [ 25.517938] print_report+0xd1/0x610 [ 25.517996] ? __virt_addr_valid+0x1db/0x2d0 [ 25.518069] ? mempool_oob_right_helper+0x318/0x380 [ 25.518093] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.518120] ? mempool_oob_right_helper+0x318/0x380 [ 25.518143] kasan_report+0x141/0x180 [ 25.518167] ? mempool_oob_right_helper+0x318/0x380 [ 25.518194] __asan_report_load1_noabort+0x18/0x20 [ 25.518219] mempool_oob_right_helper+0x318/0x380 [ 25.518242] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 25.518267] ? __kasan_check_write+0x18/0x20 [ 25.518290] ? __pfx_sched_clock_cpu+0x10/0x10 [ 25.518314] ? finish_task_switch.isra.0+0x153/0x700 [ 25.518340] mempool_kmalloc_oob_right+0xf2/0x150 [ 25.518364] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 25.518389] ? __pfx_mempool_kmalloc+0x10/0x10 [ 25.518415] ? __pfx_mempool_kfree+0x10/0x10 [ 25.518439] ? __pfx_read_tsc+0x10/0x10 [ 25.518462] ? ktime_get_ts64+0x86/0x230 [ 25.518488] kunit_try_run_case+0x1a5/0x480 [ 25.518512] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.518533] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.518558] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.518583] ? __kthread_parkme+0x82/0x180 [ 25.518604] ? preempt_count_sub+0x50/0x80 [ 25.518628] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.518650] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.518675] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.518711] kthread+0x337/0x6f0 [ 25.518730] ? trace_preempt_on+0x20/0xc0 [ 25.518755] ? __pfx_kthread+0x10/0x10 [ 25.518784] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.518806] ? calculate_sigpending+0x7b/0xa0 [ 25.518831] ? __pfx_kthread+0x10/0x10 [ 25.518853] ret_from_fork+0x116/0x1d0 [ 25.518874] ? __pfx_kthread+0x10/0x10 [ 25.518912] ret_from_fork_asm+0x1a/0x30 [ 25.518945] </TASK> [ 25.518957] [ 25.529400] Allocated by task 271: [ 25.529580] kasan_save_stack+0x45/0x70 [ 25.530041] kasan_save_track+0x18/0x40 [ 25.530246] kasan_save_alloc_info+0x3b/0x50 [ 25.530427] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 25.530650] remove_element+0x11e/0x190 [ 25.531157] mempool_alloc_preallocated+0x4d/0x90 [ 25.531464] mempool_oob_right_helper+0x8a/0x380 [ 25.531630] mempool_kmalloc_oob_right+0xf2/0x150 [ 25.531939] kunit_try_run_case+0x1a5/0x480 [ 25.532216] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.532456] kthread+0x337/0x6f0 [ 25.532618] ret_from_fork+0x116/0x1d0 [ 25.532816] ret_from_fork_asm+0x1a/0x30 [ 25.532973] [ 25.533041] The buggy address belongs to the object at ffff8881060ac100 [ 25.533041] which belongs to the cache kmalloc-128 of size 128 [ 25.533849] The buggy address is located 0 bytes to the right of [ 25.533849] allocated 115-byte region [ffff8881060ac100, ffff8881060ac173) [ 25.534977] [ 25.535269] The buggy address belongs to the physical page: [ 25.535651] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060ac [ 25.536057] flags: 0x200000000000000(node=0|zone=2) [ 25.536304] page_type: f5(slab) [ 25.536545] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 25.536881] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.537264] page dumped because: kasan: bad access detected [ 25.537512] [ 25.537604] Memory state around the buggy address: [ 25.537813] ffff8881060ac000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.538100] ffff8881060ac080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.538508] >ffff8881060ac100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 25.538941] ^ [ 25.539186] ffff8881060ac180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.539500] ffff8881060ac200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 25.539925] ================================================================== [ 25.568774] ================================================================== [ 25.569558] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 25.569853] Read of size 1 at addr ffff8881060af2bb by task kunit_try_catch/275 [ 25.570937] [ 25.571185] CPU: 1 UID: 0 PID: 275 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 25.571245] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 25.571260] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.571283] Call Trace: [ 25.571298] <TASK> [ 25.571318] dump_stack_lvl+0x73/0xb0 [ 25.571355] print_report+0xd1/0x610 [ 25.571380] ? __virt_addr_valid+0x1db/0x2d0 [ 25.571407] ? mempool_oob_right_helper+0x318/0x380 [ 25.571430] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.571457] ? mempool_oob_right_helper+0x318/0x380 [ 25.571480] kasan_report+0x141/0x180 [ 25.571502] ? mempool_oob_right_helper+0x318/0x380 [ 25.571530] __asan_report_load1_noabort+0x18/0x20 [ 25.571553] mempool_oob_right_helper+0x318/0x380 [ 25.571577] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 25.571603] ? __pfx_sched_clock_cpu+0x10/0x10 [ 25.571626] ? finish_task_switch.isra.0+0x153/0x700 [ 25.571651] mempool_slab_oob_right+0xed/0x140 [ 25.571675] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 25.571715] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 25.571739] ? __pfx_mempool_free_slab+0x10/0x10 [ 25.571765] ? __pfx_read_tsc+0x10/0x10 [ 25.571805] ? ktime_get_ts64+0x86/0x230 [ 25.571835] kunit_try_run_case+0x1a5/0x480 [ 25.571860] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.571953] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.571986] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.572011] ? __kthread_parkme+0x82/0x180 [ 25.572032] ? preempt_count_sub+0x50/0x80 [ 25.572055] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.572077] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.572103] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.572128] kthread+0x337/0x6f0 [ 25.572148] ? trace_preempt_on+0x20/0xc0 [ 25.572172] ? __pfx_kthread+0x10/0x10 [ 25.572193] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.572215] ? calculate_sigpending+0x7b/0xa0 [ 25.572240] ? __pfx_kthread+0x10/0x10 [ 25.572261] ret_from_fork+0x116/0x1d0 [ 25.572280] ? __pfx_kthread+0x10/0x10 [ 25.572301] ret_from_fork_asm+0x1a/0x30 [ 25.572333] </TASK> [ 25.572345] [ 25.581824] Allocated by task 275: [ 25.581948] kasan_save_stack+0x45/0x70 [ 25.582221] kasan_save_track+0x18/0x40 [ 25.583149] kasan_save_alloc_info+0x3b/0x50 [ 25.583326] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 25.583749] remove_element+0x11e/0x190 [ 25.584175] mempool_alloc_preallocated+0x4d/0x90 [ 25.584517] mempool_oob_right_helper+0x8a/0x380 [ 25.584678] mempool_slab_oob_right+0xed/0x140 [ 25.585146] kunit_try_run_case+0x1a5/0x480 [ 25.585677] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.586326] kthread+0x337/0x6f0 [ 25.586744] ret_from_fork+0x116/0x1d0 [ 25.587277] ret_from_fork_asm+0x1a/0x30 [ 25.587428] [ 25.587498] The buggy address belongs to the object at ffff8881060af240 [ 25.587498] which belongs to the cache test_cache of size 123 [ 25.587875] The buggy address is located 0 bytes to the right of [ 25.587875] allocated 123-byte region [ffff8881060af240, ffff8881060af2bb) [ 25.589009] [ 25.589111] The buggy address belongs to the physical page: [ 25.589342] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060af [ 25.589681] flags: 0x200000000000000(node=0|zone=2) [ 25.590186] page_type: f5(slab) [ 25.590350] raw: 0200000000000000 ffff8881017adc80 dead000000000122 0000000000000000 [ 25.590867] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 25.591238] page dumped because: kasan: bad access detected [ 25.591430] [ 25.591595] Memory state around the buggy address: [ 25.592130] ffff8881060af180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.592436] ffff8881060af200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 25.592744] >ffff8881060af280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 25.593208] ^ [ 25.593517] ffff8881060af300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.593778] ffff8881060af380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.594334] ================================================================== [ 25.543571] ================================================================== [ 25.544178] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 25.544703] Read of size 1 at addr ffff888106232001 by task kunit_try_catch/273 [ 25.545105] [ 25.545202] CPU: 0 UID: 0 PID: 273 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 25.545292] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 25.545307] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.545341] Call Trace: [ 25.545355] <TASK> [ 25.545376] dump_stack_lvl+0x73/0xb0 [ 25.545438] print_report+0xd1/0x610 [ 25.545461] ? __virt_addr_valid+0x1db/0x2d0 [ 25.545498] ? mempool_oob_right_helper+0x318/0x380 [ 25.545520] ? kasan_addr_to_slab+0x11/0xa0 [ 25.545540] ? mempool_oob_right_helper+0x318/0x380 [ 25.545564] kasan_report+0x141/0x180 [ 25.545613] ? mempool_oob_right_helper+0x318/0x380 [ 25.545658] __asan_report_load1_noabort+0x18/0x20 [ 25.545700] mempool_oob_right_helper+0x318/0x380 [ 25.545725] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 25.545748] ? update_load_avg+0x1be/0x21b0 [ 25.545774] ? dequeue_entities+0x27e/0x1740 [ 25.545800] ? finish_task_switch.isra.0+0x153/0x700 [ 25.545842] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 25.545866] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 25.545936] ? __pfx_mempool_kmalloc+0x10/0x10 [ 25.545963] ? __pfx_mempool_kfree+0x10/0x10 [ 25.545988] ? __pfx_read_tsc+0x10/0x10 [ 25.546011] ? ktime_get_ts64+0x86/0x230 [ 25.546037] kunit_try_run_case+0x1a5/0x480 [ 25.546061] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.546082] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.546108] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.546131] ? __kthread_parkme+0x82/0x180 [ 25.546153] ? preempt_count_sub+0x50/0x80 [ 25.546176] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.546197] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.546222] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.546247] kthread+0x337/0x6f0 [ 25.546266] ? trace_preempt_on+0x20/0xc0 [ 25.546290] ? __pfx_kthread+0x10/0x10 [ 25.546311] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.546332] ? calculate_sigpending+0x7b/0xa0 [ 25.546357] ? __pfx_kthread+0x10/0x10 [ 25.546379] ret_from_fork+0x116/0x1d0 [ 25.546397] ? __pfx_kthread+0x10/0x10 [ 25.546418] ret_from_fork_asm+0x1a/0x30 [ 25.546450] </TASK> [ 25.546462] [ 25.556656] The buggy address belongs to the physical page: [ 25.557067] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106230 [ 25.557475] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 25.557722] flags: 0x200000000000040(head|node=0|zone=2) [ 25.558358] page_type: f8(unknown) [ 25.558618] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.559138] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.559447] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 25.559840] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 25.560165] head: 0200000000000002 ffffea0004188c01 00000000ffffffff 00000000ffffffff [ 25.560496] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 25.560905] page dumped because: kasan: bad access detected [ 25.561111] [ 25.561202] Memory state around the buggy address: [ 25.561431] ffff888106231f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.561767] ffff888106231f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 25.562127] >ffff888106232000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.562452] ^ [ 25.562638] ffff888106232080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.562991] ffff888106232100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 25.563322] ==================================================================