Date
June 24, 2025, 12:47 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 26.812601] ================================================================== [ 26.813062] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 26.813604] Read of size 1 at addr fff00000c5a6c2bb by task kunit_try_catch/227 [ 26.813939] [ 26.814773] CPU: 1 UID: 0 PID: 227 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT [ 26.815708] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.815842] Hardware name: linux,dummy-virt (DT) [ 26.816034] Call trace: [ 26.816156] show_stack+0x20/0x38 (C) [ 26.816303] dump_stack_lvl+0x8c/0xd0 [ 26.816949] print_report+0x118/0x608 [ 26.817126] kasan_report+0xdc/0x128 [ 26.817242] __asan_report_load1_noabort+0x20/0x30 [ 26.817371] mempool_oob_right_helper+0x2ac/0x2f0 [ 26.817526] mempool_slab_oob_right+0xc0/0x118 [ 26.817827] kunit_try_run_case+0x170/0x3f0 [ 26.818232] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.818445] kthread+0x328/0x630 [ 26.818585] ret_from_fork+0x10/0x20 [ 26.818947] [ 26.819066] Allocated by task 227: [ 26.819163] kasan_save_stack+0x3c/0x68 [ 26.819307] kasan_save_track+0x20/0x40 [ 26.819574] kasan_save_alloc_info+0x40/0x58 [ 26.819722] __kasan_mempool_unpoison_object+0xbc/0x180 [ 26.819829] remove_element+0x16c/0x1f8 [ 26.819928] mempool_alloc_preallocated+0x58/0xc0 [ 26.820061] mempool_oob_right_helper+0x98/0x2f0 [ 26.820222] mempool_slab_oob_right+0xc0/0x118 [ 26.820339] kunit_try_run_case+0x170/0x3f0 [ 26.820644] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.821049] kthread+0x328/0x630 [ 26.821161] ret_from_fork+0x10/0x20 [ 26.821270] [ 26.821409] The buggy address belongs to the object at fff00000c5a6c240 [ 26.821409] which belongs to the cache test_cache of size 123 [ 26.821756] The buggy address is located 0 bytes to the right of [ 26.821756] allocated 123-byte region [fff00000c5a6c240, fff00000c5a6c2bb) [ 26.821967] [ 26.822033] The buggy address belongs to the physical page: [ 26.822355] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a6c [ 26.822633] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.822805] page_type: f5(slab) [ 26.822973] raw: 0bfffe0000000000 fff00000c5a5d140 dead000000000122 0000000000000000 [ 26.823244] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 26.823399] page dumped because: kasan: bad access detected [ 26.823558] [ 26.823605] Memory state around the buggy address: [ 26.823679] fff00000c5a6c180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.823792] fff00000c5a6c200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 26.823972] >fff00000c5a6c280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 26.824073] ^ [ 26.824205] fff00000c5a6c300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.824331] fff00000c5a6c380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.824832] ================================================================== [ 26.779426] ================================================================== [ 26.779564] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 26.779708] Read of size 1 at addr fff00000c78ae001 by task kunit_try_catch/225 [ 26.779821] [ 26.779899] CPU: 1 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT [ 26.780107] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.780177] Hardware name: linux,dummy-virt (DT) [ 26.780254] Call trace: [ 26.780310] show_stack+0x20/0x38 (C) [ 26.781673] dump_stack_lvl+0x8c/0xd0 [ 26.781802] print_report+0x118/0x608 [ 26.781914] kasan_report+0xdc/0x128 [ 26.782022] __asan_report_load1_noabort+0x20/0x30 [ 26.782227] mempool_oob_right_helper+0x2ac/0x2f0 [ 26.782369] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 26.782748] kunit_try_run_case+0x170/0x3f0 [ 26.782886] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.783034] kthread+0x328/0x630 [ 26.783341] ret_from_fork+0x10/0x20 [ 26.783586] [ 26.783955] The buggy address belongs to the physical page: [ 26.784074] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078ac [ 26.784217] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 26.784955] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 26.785129] page_type: f8(unknown) [ 26.785256] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 26.785464] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 26.785604] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 26.785736] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 26.785925] head: 0bfffe0000000002 ffffc1ffc31e2b01 00000000ffffffff 00000000ffffffff [ 26.786361] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 26.786540] page dumped because: kasan: bad access detected [ 26.786634] [ 26.786718] Memory state around the buggy address: [ 26.786801] fff00000c78adf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.787060] fff00000c78adf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.787338] >fff00000c78ae000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.787456] ^ [ 26.787600] fff00000c78ae080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.787745] fff00000c78ae100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.787983] ================================================================== [ 26.759350] ================================================================== [ 26.759472] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 26.759571] Read of size 1 at addr fff00000c597aa73 by task kunit_try_catch/223 [ 26.759637] [ 26.759692] CPU: 1 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT [ 26.759801] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.759837] Hardware name: linux,dummy-virt (DT) [ 26.759880] Call trace: [ 26.759910] show_stack+0x20/0x38 (C) [ 26.759977] dump_stack_lvl+0x8c/0xd0 [ 26.760044] print_report+0x118/0x608 [ 26.760161] kasan_report+0xdc/0x128 [ 26.760294] __asan_report_load1_noabort+0x20/0x30 [ 26.760445] mempool_oob_right_helper+0x2ac/0x2f0 [ 26.760587] mempool_kmalloc_oob_right+0xc4/0x120 [ 26.760689] kunit_try_run_case+0x170/0x3f0 [ 26.760761] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.760831] kthread+0x328/0x630 [ 26.760892] ret_from_fork+0x10/0x20 [ 26.760958] [ 26.760981] Allocated by task 223: [ 26.761020] kasan_save_stack+0x3c/0x68 [ 26.761072] kasan_save_track+0x20/0x40 [ 26.761120] kasan_save_alloc_info+0x40/0x58 [ 26.761166] __kasan_mempool_unpoison_object+0x11c/0x180 [ 26.761216] remove_element+0x130/0x1f8 [ 26.761267] mempool_alloc_preallocated+0x58/0xc0 [ 26.761316] mempool_oob_right_helper+0x98/0x2f0 [ 26.761365] mempool_kmalloc_oob_right+0xc4/0x120 [ 26.761451] kunit_try_run_case+0x170/0x3f0 [ 26.761503] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.761557] kthread+0x328/0x630 [ 26.761603] ret_from_fork+0x10/0x20 [ 26.761648] [ 26.761672] The buggy address belongs to the object at fff00000c597aa00 [ 26.761672] which belongs to the cache kmalloc-128 of size 128 [ 26.761746] The buggy address is located 0 bytes to the right of [ 26.761746] allocated 115-byte region [fff00000c597aa00, fff00000c597aa73) [ 26.761822] [ 26.761850] The buggy address belongs to the physical page: [ 26.761890] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10597a [ 26.761959] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.762025] page_type: f5(slab) [ 26.762074] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 26.762136] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 26.762187] page dumped because: kasan: bad access detected [ 26.762226] [ 26.762247] Memory state around the buggy address: [ 26.762286] fff00000c597a900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.762340] fff00000c597a980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.762420] >fff00000c597aa00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 26.762471] ^ [ 26.762519] fff00000c597aa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.762571] fff00000c597ab00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 26.762619] ==================================================================
[ 13.373780] ================================================================== [ 13.374387] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.375460] Read of size 1 at addr ffff888103afe001 by task kunit_try_catch/243 [ 13.376098] [ 13.376663] CPU: 1 UID: 0 PID: 243 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT(voluntary) [ 13.377064] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.377090] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.377132] Call Trace: [ 13.377153] <TASK> [ 13.377177] dump_stack_lvl+0x73/0xb0 [ 13.377216] print_report+0xd1/0x650 [ 13.377239] ? __virt_addr_valid+0x1db/0x2d0 [ 13.377263] ? mempool_oob_right_helper+0x318/0x380 [ 13.377323] ? kasan_addr_to_slab+0x11/0xa0 [ 13.377357] ? mempool_oob_right_helper+0x318/0x380 [ 13.377391] kasan_report+0x141/0x180 [ 13.377421] ? mempool_oob_right_helper+0x318/0x380 [ 13.377449] __asan_report_load1_noabort+0x18/0x20 [ 13.377469] mempool_oob_right_helper+0x318/0x380 [ 13.377492] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.377515] ? dequeue_entities+0x852/0x1740 [ 13.377542] ? finish_task_switch.isra.0+0x153/0x700 [ 13.377575] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 13.377598] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 13.377637] ? dequeue_task_fair+0x166/0x4e0 [ 13.377662] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.377685] ? __pfx_mempool_kfree+0x10/0x10 [ 13.377705] ? __pfx_read_tsc+0x10/0x10 [ 13.377726] ? ktime_get_ts64+0x86/0x230 [ 13.377752] kunit_try_run_case+0x1a5/0x480 [ 13.377778] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.377799] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.377823] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.377861] ? __kthread_parkme+0x82/0x180 [ 13.377884] ? preempt_count_sub+0x50/0x80 [ 13.377906] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.377928] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.377963] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.377988] kthread+0x337/0x6f0 [ 13.378006] ? trace_preempt_on+0x20/0xc0 [ 13.378032] ? __pfx_kthread+0x10/0x10 [ 13.378051] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.378072] ? calculate_sigpending+0x7b/0xa0 [ 13.378096] ? __pfx_kthread+0x10/0x10 [ 13.378114] ret_from_fork+0x41/0x80 [ 13.378134] ? __pfx_kthread+0x10/0x10 [ 13.378153] ret_from_fork_asm+0x1a/0x30 [ 13.378184] </TASK> [ 13.378197] [ 13.392950] The buggy address belongs to the physical page: [ 13.394062] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103afc [ 13.394636] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 13.395125] flags: 0x200000000000040(head|node=0|zone=2) [ 13.395668] page_type: f8(unknown) [ 13.396021] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.396644] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.396991] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.397555] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.398021] head: 0200000000000002 ffffea00040ebf01 00000000ffffffff 00000000ffffffff [ 13.398222] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 13.398476] page dumped because: kasan: bad access detected [ 13.398970] [ 13.399859] Memory state around the buggy address: [ 13.400252] ffff888103afdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.401023] ffff888103afdf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.401760] >ffff888103afe000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 13.402268] ^ [ 13.402568] ffff888103afe080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 13.403722] ffff888103afe100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 13.404235] ================================================================== [ 13.338589] ================================================================== [ 13.339126] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.339722] Read of size 1 at addr ffff888102d97973 by task kunit_try_catch/241 [ 13.340098] [ 13.340330] CPU: 0 UID: 0 PID: 241 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT(voluntary) [ 13.340419] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.340438] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.340474] Call Trace: [ 13.340498] <TASK> [ 13.341182] dump_stack_lvl+0x73/0xb0 [ 13.341493] print_report+0xd1/0x650 [ 13.341593] ? __virt_addr_valid+0x1db/0x2d0 [ 13.341652] ? mempool_oob_right_helper+0x318/0x380 [ 13.341692] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.341728] ? mempool_oob_right_helper+0x318/0x380 [ 13.341769] kasan_report+0x141/0x180 [ 13.341811] ? mempool_oob_right_helper+0x318/0x380 [ 13.341868] __asan_report_load1_noabort+0x18/0x20 [ 13.341909] mempool_oob_right_helper+0x318/0x380 [ 13.341969] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.342012] ? dequeue_entities+0x852/0x1740 [ 13.342042] ? finish_task_switch.isra.0+0x153/0x700 [ 13.342070] mempool_kmalloc_oob_right+0xf2/0x150 [ 13.342095] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 13.342118] ? dequeue_task_fair+0x166/0x4e0 [ 13.342140] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.342164] ? __pfx_mempool_kfree+0x10/0x10 [ 13.342186] ? __pfx_read_tsc+0x10/0x10 [ 13.342206] ? ktime_get_ts64+0x86/0x230 [ 13.342232] kunit_try_run_case+0x1a5/0x480 [ 13.342259] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.342312] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.342363] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.342400] ? __kthread_parkme+0x82/0x180 [ 13.342431] ? preempt_count_sub+0x50/0x80 [ 13.342460] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.342490] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.342519] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.342574] kthread+0x337/0x6f0 [ 13.342593] ? trace_preempt_on+0x20/0xc0 [ 13.342618] ? __pfx_kthread+0x10/0x10 [ 13.342658] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.342679] ? calculate_sigpending+0x7b/0xa0 [ 13.342701] ? __pfx_kthread+0x10/0x10 [ 13.342719] ret_from_fork+0x41/0x80 [ 13.342739] ? __pfx_kthread+0x10/0x10 [ 13.342756] ret_from_fork_asm+0x1a/0x30 [ 13.342786] </TASK> [ 13.342801] [ 13.353420] Allocated by task 241: [ 13.353740] kasan_save_stack+0x45/0x70 [ 13.354080] kasan_save_track+0x18/0x40 [ 13.354418] kasan_save_alloc_info+0x3b/0x50 [ 13.354814] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 13.355264] remove_element+0x11e/0x190 [ 13.355456] mempool_alloc_preallocated+0x4d/0x90 [ 13.355854] mempool_oob_right_helper+0x8a/0x380 [ 13.356050] mempool_kmalloc_oob_right+0xf2/0x150 [ 13.356237] kunit_try_run_case+0x1a5/0x480 [ 13.356417] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.356820] kthread+0x337/0x6f0 [ 13.357133] ret_from_fork+0x41/0x80 [ 13.357423] ret_from_fork_asm+0x1a/0x30 [ 13.357774] [ 13.358028] The buggy address belongs to the object at ffff888102d97900 [ 13.358028] which belongs to the cache kmalloc-128 of size 128 [ 13.358323] The buggy address is located 0 bytes to the right of [ 13.358323] allocated 115-byte region [ffff888102d97900, ffff888102d97973) [ 13.359168] [ 13.359299] The buggy address belongs to the physical page: [ 13.359718] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d97 [ 13.360193] flags: 0x200000000000000(node=0|zone=2) [ 13.360499] page_type: f5(slab) [ 13.360793] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.360991] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.361478] page dumped because: kasan: bad access detected [ 13.361763] [ 13.361914] Memory state around the buggy address: [ 13.362120] ffff888102d97800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.362367] ffff888102d97880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.362608] >ffff888102d97900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 13.362847] ^ [ 13.363588] ffff888102d97980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.364005] ffff888102d97a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 13.364350] ================================================================== [ 13.411657] ================================================================== [ 13.412163] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.413192] Read of size 1 at addr ffff8881039ee2bb by task kunit_try_catch/245 [ 13.414377] [ 13.414637] CPU: 0 UID: 0 PID: 245 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT(voluntary) [ 13.414742] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.414761] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.414799] Call Trace: [ 13.414819] <TASK> [ 13.414853] dump_stack_lvl+0x73/0xb0 [ 13.414913] print_report+0xd1/0x650 [ 13.414947] ? __virt_addr_valid+0x1db/0x2d0 [ 13.414979] ? mempool_oob_right_helper+0x318/0x380 [ 13.415010] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.415042] ? mempool_oob_right_helper+0x318/0x380 [ 13.415077] kasan_report+0x141/0x180 [ 13.415109] ? mempool_oob_right_helper+0x318/0x380 [ 13.415150] __asan_report_load1_noabort+0x18/0x20 [ 13.415180] mempool_oob_right_helper+0x318/0x380 [ 13.415217] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.415257] ? finish_task_switch.isra.0+0x153/0x700 [ 13.415298] mempool_slab_oob_right+0xed/0x140 [ 13.415329] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 13.415359] ? dequeue_task_fair+0x166/0x4e0 [ 13.415392] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 13.415429] ? __pfx_mempool_free_slab+0x10/0x10 [ 13.415468] ? __pfx_read_tsc+0x10/0x10 [ 13.415504] ? ktime_get_ts64+0x86/0x230 [ 13.415829] kunit_try_run_case+0x1a5/0x480 [ 13.415871] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.415894] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.415920] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.415943] ? __kthread_parkme+0x82/0x180 [ 13.415966] ? preempt_count_sub+0x50/0x80 [ 13.415989] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.416012] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.416034] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.416056] kthread+0x337/0x6f0 [ 13.416072] ? trace_preempt_on+0x20/0xc0 [ 13.416097] ? __pfx_kthread+0x10/0x10 [ 13.416114] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.416134] ? calculate_sigpending+0x7b/0xa0 [ 13.416156] ? __pfx_kthread+0x10/0x10 [ 13.416174] ret_from_fork+0x41/0x80 [ 13.416194] ? __pfx_kthread+0x10/0x10 [ 13.416211] ret_from_fork_asm+0x1a/0x30 [ 13.416244] </TASK> [ 13.416257] [ 13.430245] Allocated by task 245: [ 13.430572] kasan_save_stack+0x45/0x70 [ 13.431156] kasan_save_track+0x18/0x40 [ 13.432047] kasan_save_alloc_info+0x3b/0x50 [ 13.432571] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 13.432903] remove_element+0x11e/0x190 [ 13.433075] mempool_alloc_preallocated+0x4d/0x90 [ 13.433562] mempool_oob_right_helper+0x8a/0x380 [ 13.433975] mempool_slab_oob_right+0xed/0x140 [ 13.434244] kunit_try_run_case+0x1a5/0x480 [ 13.434684] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.435052] kthread+0x337/0x6f0 [ 13.435254] ret_from_fork+0x41/0x80 [ 13.436207] ret_from_fork_asm+0x1a/0x30 [ 13.436595] [ 13.436776] The buggy address belongs to the object at ffff8881039ee240 [ 13.436776] which belongs to the cache test_cache of size 123 [ 13.437418] The buggy address is located 0 bytes to the right of [ 13.437418] allocated 123-byte region [ffff8881039ee240, ffff8881039ee2bb) [ 13.438111] [ 13.438233] The buggy address belongs to the physical page: [ 13.438724] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039ee [ 13.439161] flags: 0x200000000000000(node=0|zone=2) [ 13.439529] page_type: f5(slab) [ 13.439753] raw: 0200000000000000 ffff888101e34780 dead000000000122 0000000000000000 [ 13.440175] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 13.440534] page dumped because: kasan: bad access detected [ 13.441724] [ 13.441896] Memory state around the buggy address: [ 13.442131] ffff8881039ee180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.442479] ffff8881039ee200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 13.443041] >ffff8881039ee280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 13.443709] ^ [ 13.443920] ffff8881039ee300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.444599] ffff8881039ee380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.444856] ==================================================================