Date
May 13, 2025, 12:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.014666] ================================================================== [ 21.014872] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 21.015014] Read of size 1 at addr fff00000c4065b73 by task kunit_try_catch/221 [ 21.015076] [ 21.015130] CPU: 1 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT [ 21.015234] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.015265] Hardware name: linux,dummy-virt (DT) [ 21.015305] Call trace: [ 21.015333] show_stack+0x20/0x38 (C) [ 21.015392] dump_stack_lvl+0x8c/0xd0 [ 21.015446] print_report+0x118/0x608 [ 21.015500] kasan_report+0xdc/0x128 [ 21.015549] __asan_report_load1_noabort+0x20/0x30 [ 21.015605] mempool_oob_right_helper+0x2ac/0x2f0 [ 21.015678] mempool_kmalloc_oob_right+0xc4/0x120 [ 21.015734] kunit_try_run_case+0x170/0x3f0 [ 21.015788] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.015843] kthread+0x328/0x630 [ 21.015891] ret_from_fork+0x10/0x20 [ 21.015945] [ 21.015967] Allocated by task 221: [ 21.016021] kasan_save_stack+0x3c/0x68 [ 21.016071] kasan_save_track+0x20/0x40 [ 21.016111] kasan_save_alloc_info+0x40/0x58 [ 21.016156] __kasan_mempool_unpoison_object+0x11c/0x180 [ 21.016204] remove_element+0x130/0x1f8 [ 21.016249] mempool_alloc_preallocated+0x58/0xc0 [ 21.016297] mempool_oob_right_helper+0x98/0x2f0 [ 21.016335] mempool_kmalloc_oob_right+0xc4/0x120 [ 21.016379] kunit_try_run_case+0x170/0x3f0 [ 21.016419] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.016467] kthread+0x328/0x630 [ 21.016506] ret_from_fork+0x10/0x20 [ 21.016548] [ 21.016571] The buggy address belongs to the object at fff00000c4065b00 [ 21.016571] which belongs to the cache kmalloc-128 of size 128 [ 21.016635] The buggy address is located 0 bytes to the right of [ 21.016635] allocated 115-byte region [fff00000c4065b00, fff00000c4065b73) [ 21.016703] [ 21.016728] The buggy address belongs to the physical page: [ 21.016766] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104065 [ 21.016829] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.016888] page_type: f5(slab) [ 21.016937] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.017006] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.017056] page dumped because: kasan: bad access detected [ 21.017105] [ 21.017132] Memory state around the buggy address: [ 21.017173] fff00000c4065a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.017223] fff00000c4065a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.017272] >fff00000c4065b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 21.017314] ^ [ 21.017359] fff00000c4065b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.017406] fff00000c4065c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 21.017448] ================================================================== [ 21.028681] ================================================================== [ 21.028776] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 21.028865] Read of size 1 at addr fff00000c78b2001 by task kunit_try_catch/223 [ 21.028926] [ 21.028990] CPU: 1 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT [ 21.029096] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.029128] Hardware name: linux,dummy-virt (DT) [ 21.029165] Call trace: [ 21.029199] show_stack+0x20/0x38 (C) [ 21.029261] dump_stack_lvl+0x8c/0xd0 [ 21.029315] print_report+0x118/0x608 [ 21.029370] kasan_report+0xdc/0x128 [ 21.029421] __asan_report_load1_noabort+0x20/0x30 [ 21.029479] mempool_oob_right_helper+0x2ac/0x2f0 [ 21.029532] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 21.029589] kunit_try_run_case+0x170/0x3f0 [ 21.029644] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.029701] kthread+0x328/0x630 [ 21.029754] ret_from_fork+0x10/0x20 [ 21.029816] [ 21.029848] The buggy address belongs to the physical page: [ 21.029890] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078b0 [ 21.029954] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 21.030563] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 21.030827] page_type: f8(unknown) [ 21.030895] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.030954] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.031023] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.031080] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.031133] head: 0bfffe0000000002 ffffc1ffc31e2c01 00000000ffffffff 00000000ffffffff [ 21.031215] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 21.031303] page dumped because: kasan: bad access detected [ 21.031343] [ 21.031678] Memory state around the buggy address: [ 21.031881] fff00000c78b1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.031941] fff00000c78b1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.032005] >fff00000c78b2000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.032266] ^ [ 21.032715] fff00000c78b2080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.033037] fff00000c78b2100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.033275] ================================================================== [ 21.045106] ================================================================== [ 21.045523] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 21.045770] Read of size 1 at addr fff00000c66202bb by task kunit_try_catch/225 [ 21.045909] [ 21.046020] CPU: 1 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT [ 21.046169] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.046231] Hardware name: linux,dummy-virt (DT) [ 21.046323] Call trace: [ 21.046359] show_stack+0x20/0x38 (C) [ 21.046508] dump_stack_lvl+0x8c/0xd0 [ 21.046570] print_report+0x118/0x608 [ 21.046627] kasan_report+0xdc/0x128 [ 21.046682] __asan_report_load1_noabort+0x20/0x30 [ 21.046738] mempool_oob_right_helper+0x2ac/0x2f0 [ 21.046791] mempool_slab_oob_right+0xc0/0x118 [ 21.047364] kunit_try_run_case+0x170/0x3f0 [ 21.047439] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.047503] kthread+0x328/0x630 [ 21.047621] ret_from_fork+0x10/0x20 [ 21.047842] [ 21.047899] Allocated by task 225: [ 21.048136] kasan_save_stack+0x3c/0x68 [ 21.048211] kasan_save_track+0x20/0x40 [ 21.048299] kasan_save_alloc_info+0x40/0x58 [ 21.048414] __kasan_mempool_unpoison_object+0xbc/0x180 [ 21.048506] remove_element+0x16c/0x1f8 [ 21.048557] mempool_alloc_preallocated+0x58/0xc0 [ 21.048605] mempool_oob_right_helper+0x98/0x2f0 [ 21.048701] mempool_slab_oob_right+0xc0/0x118 [ 21.048897] kunit_try_run_case+0x170/0x3f0 [ 21.049173] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.049511] kthread+0x328/0x630 [ 21.049671] ret_from_fork+0x10/0x20 [ 21.050254] [ 21.050359] The buggy address belongs to the object at fff00000c6620240 [ 21.050359] which belongs to the cache test_cache of size 123 [ 21.050481] The buggy address is located 0 bytes to the right of [ 21.050481] allocated 123-byte region [fff00000c6620240, fff00000c66202bb) [ 21.050615] [ 21.050771] The buggy address belongs to the physical page: [ 21.050884] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106620 [ 21.050982] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.051165] page_type: f5(slab) [ 21.051322] raw: 0bfffe0000000000 fff00000c6617500 dead000000000122 0000000000000000 [ 21.051383] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 21.051453] page dumped because: kasan: bad access detected [ 21.051489] [ 21.051512] Memory state around the buggy address: [ 21.051551] fff00000c6620180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.051599] fff00000c6620200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 21.051645] >fff00000c6620280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 21.051687] ^ [ 21.051728] fff00000c6620300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.051774] fff00000c6620380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.051818] ==================================================================
[ 12.560113] ================================================================== [ 12.560727] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 12.561057] Read of size 1 at addr ffff88810397a001 by task kunit_try_catch/240 [ 12.561468] [ 12.561592] CPU: 0 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) [ 12.561655] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.561668] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.561708] Call Trace: [ 12.561722] <TASK> [ 12.561741] dump_stack_lvl+0x73/0xb0 [ 12.561783] print_report+0xd1/0x650 [ 12.561807] ? __virt_addr_valid+0x1db/0x2d0 [ 12.561831] ? mempool_oob_right_helper+0x318/0x380 [ 12.561854] ? kasan_addr_to_slab+0x11/0xa0 [ 12.561875] ? mempool_oob_right_helper+0x318/0x380 [ 12.561899] kasan_report+0x141/0x180 [ 12.561921] ? mempool_oob_right_helper+0x318/0x380 [ 12.561950] __asan_report_load1_noabort+0x18/0x20 [ 12.561970] mempool_oob_right_helper+0x318/0x380 [ 12.561995] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 12.562054] ? __pfx_sched_clock_cpu+0x10/0x10 [ 12.562078] ? finish_task_switch.isra.0+0x153/0x700 [ 12.562127] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 12.562151] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 12.562179] ? __pfx_mempool_kmalloc+0x10/0x10 [ 12.562199] ? __pfx_mempool_kfree+0x10/0x10 [ 12.562220] ? __pfx_read_tsc+0x10/0x10 [ 12.562241] ? ktime_get_ts64+0x86/0x230 [ 12.562276] kunit_try_run_case+0x1a5/0x480 [ 12.562300] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.562322] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.562345] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.562367] ? __kthread_parkme+0x82/0x180 [ 12.562388] ? preempt_count_sub+0x50/0x80 [ 12.562411] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.562435] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.562458] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.562488] kthread+0x337/0x6f0 [ 12.562507] ? trace_preempt_on+0x20/0xc0 [ 12.562722] ? __pfx_kthread+0x10/0x10 [ 12.562749] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.562771] ? calculate_sigpending+0x7b/0xa0 [ 12.562796] ? __pfx_kthread+0x10/0x10 [ 12.562818] ret_from_fork+0x116/0x1d0 [ 12.562836] ? __pfx_kthread+0x10/0x10 [ 12.562857] ret_from_fork_asm+0x1a/0x30 [ 12.562888] </TASK> [ 12.562900] [ 12.573997] The buggy address belongs to the physical page: [ 12.574267] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103978 [ 12.574683] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.574906] flags: 0x200000000000040(head|node=0|zone=2) [ 12.575165] page_type: f8(unknown) [ 12.575664] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.576009] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.576349] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.576767] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.577074] head: 0200000000000002 ffffea00040e5e01 00000000ffffffff 00000000ffffffff [ 12.577427] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.577823] page dumped because: kasan: bad access detected [ 12.578093] [ 12.578201] Memory state around the buggy address: [ 12.578362] ffff888103979f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.578741] ffff888103979f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.579005] >ffff88810397a000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.579485] ^ [ 12.579641] ffff88810397a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.579995] ffff88810397a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.580335] ================================================================== [ 12.584735] ================================================================== [ 12.585253] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 12.585568] Read of size 1 at addr ffff8881039e22bb by task kunit_try_catch/242 [ 12.586001] [ 12.586111] CPU: 1 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) [ 12.586162] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.586174] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.586196] Call Trace: [ 12.586208] <TASK> [ 12.586225] dump_stack_lvl+0x73/0xb0 [ 12.586256] print_report+0xd1/0x650 [ 12.586279] ? __virt_addr_valid+0x1db/0x2d0 [ 12.586304] ? mempool_oob_right_helper+0x318/0x380 [ 12.586328] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.586351] ? mempool_oob_right_helper+0x318/0x380 [ 12.586375] kasan_report+0x141/0x180 [ 12.586398] ? mempool_oob_right_helper+0x318/0x380 [ 12.586428] __asan_report_load1_noabort+0x18/0x20 [ 12.586449] mempool_oob_right_helper+0x318/0x380 [ 12.586481] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 12.586508] ? __pfx_sched_clock_cpu+0x10/0x10 [ 12.586528] ? irqentry_exit+0x2a/0x60 [ 12.586550] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 12.586641] mempool_slab_oob_right+0xed/0x140 [ 12.586663] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 12.586687] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 12.586710] ? __pfx_mempool_free_slab+0x10/0x10 [ 12.586732] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 12.586754] ? mempool_slab_oob_right+0x9/0x140 [ 12.586777] kunit_try_run_case+0x1a5/0x480 [ 12.586801] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.586823] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.586846] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.586869] ? __kthread_parkme+0x82/0x180 [ 12.586890] ? preempt_count_sub+0x50/0x80 [ 12.586914] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.586938] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.586962] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.586985] kthread+0x337/0x6f0 [ 12.587005] ? trace_preempt_on+0x20/0xc0 [ 12.587029] ? __pfx_kthread+0x10/0x10 [ 12.587051] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.587071] ? calculate_sigpending+0x7b/0xa0 [ 12.587096] ? __pfx_kthread+0x10/0x10 [ 12.587119] ret_from_fork+0x116/0x1d0 [ 12.587138] ? __pfx_kthread+0x10/0x10 [ 12.587158] ret_from_fork_asm+0x1a/0x30 [ 12.587204] </TASK> [ 12.587215] [ 12.598535] Allocated by task 242: [ 12.598940] kasan_save_stack+0x45/0x70 [ 12.599139] kasan_save_track+0x18/0x40 [ 12.599475] kasan_save_alloc_info+0x3b/0x50 [ 12.599888] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 12.600140] remove_element+0x11e/0x190 [ 12.600584] mempool_alloc_preallocated+0x4d/0x90 [ 12.600895] mempool_oob_right_helper+0x8a/0x380 [ 12.601077] mempool_slab_oob_right+0xed/0x140 [ 12.601501] kunit_try_run_case+0x1a5/0x480 [ 12.601822] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.602039] kthread+0x337/0x6f0 [ 12.602192] ret_from_fork+0x116/0x1d0 [ 12.602383] ret_from_fork_asm+0x1a/0x30 [ 12.602584] [ 12.602686] The buggy address belongs to the object at ffff8881039e2240 [ 12.602686] which belongs to the cache test_cache of size 123 [ 12.603288] The buggy address is located 0 bytes to the right of [ 12.603288] allocated 123-byte region [ffff8881039e2240, ffff8881039e22bb) [ 12.603733] [ 12.603872] The buggy address belongs to the physical page: [ 12.604131] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039e2 [ 12.604408] flags: 0x200000000000000(node=0|zone=2) [ 12.604659] page_type: f5(slab) [ 12.604971] raw: 0200000000000000 ffff888100faf8c0 dead000000000122 0000000000000000 [ 12.605356] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 12.605708] page dumped because: kasan: bad access detected [ 12.605968] [ 12.606062] Memory state around the buggy address: [ 12.606305] ffff8881039e2180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.606669] ffff8881039e2200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 12.606967] >ffff8881039e2280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 12.607228] ^ [ 12.607469] ffff8881039e2300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.607715] ffff8881039e2380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.608180] ================================================================== [ 12.528653] ================================================================== [ 12.529098] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 12.529779] Read of size 1 at addr ffff8881026a8e73 by task kunit_try_catch/238 [ 12.530006] [ 12.530106] CPU: 1 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) [ 12.530163] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.530177] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.530201] Call Trace: [ 12.530215] <TASK> [ 12.530237] dump_stack_lvl+0x73/0xb0 [ 12.530272] print_report+0xd1/0x650 [ 12.530296] ? __virt_addr_valid+0x1db/0x2d0 [ 12.530324] ? mempool_oob_right_helper+0x318/0x380 [ 12.530347] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.530370] ? mempool_oob_right_helper+0x318/0x380 [ 12.530420] kasan_report+0x141/0x180 [ 12.530459] ? mempool_oob_right_helper+0x318/0x380 [ 12.530509] __asan_report_load1_noabort+0x18/0x20 [ 12.530531] mempool_oob_right_helper+0x318/0x380 [ 12.530571] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 12.530598] ? __pfx_sched_clock_cpu+0x10/0x10 [ 12.530634] ? finish_task_switch.isra.0+0x153/0x700 [ 12.530662] mempool_kmalloc_oob_right+0xf2/0x150 [ 12.530685] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 12.530713] ? __pfx_mempool_kmalloc+0x10/0x10 [ 12.531032] ? __pfx_mempool_kfree+0x10/0x10 [ 12.531058] ? __pfx_read_tsc+0x10/0x10 [ 12.531081] ? ktime_get_ts64+0x86/0x230 [ 12.531108] kunit_try_run_case+0x1a5/0x480 [ 12.531137] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.531159] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.531194] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.531218] ? __kthread_parkme+0x82/0x180 [ 12.531240] ? preempt_count_sub+0x50/0x80 [ 12.531264] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.531289] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.531313] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.531336] kthread+0x337/0x6f0 [ 12.531357] ? trace_preempt_on+0x20/0xc0 [ 12.531382] ? __pfx_kthread+0x10/0x10 [ 12.531403] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.531424] ? calculate_sigpending+0x7b/0xa0 [ 12.531451] ? __pfx_kthread+0x10/0x10 [ 12.531473] ret_from_fork+0x116/0x1d0 [ 12.531492] ? __pfx_kthread+0x10/0x10 [ 12.531513] ret_from_fork_asm+0x1a/0x30 [ 12.531610] </TASK> [ 12.531635] [ 12.543866] Allocated by task 238: [ 12.544141] kasan_save_stack+0x45/0x70 [ 12.544509] kasan_save_track+0x18/0x40 [ 12.544965] kasan_save_alloc_info+0x3b/0x50 [ 12.545333] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 12.545789] remove_element+0x11e/0x190 [ 12.546002] mempool_alloc_preallocated+0x4d/0x90 [ 12.546330] mempool_oob_right_helper+0x8a/0x380 [ 12.546538] mempool_kmalloc_oob_right+0xf2/0x150 [ 12.546865] kunit_try_run_case+0x1a5/0x480 [ 12.547057] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.547307] kthread+0x337/0x6f0 [ 12.547773] ret_from_fork+0x116/0x1d0 [ 12.547930] ret_from_fork_asm+0x1a/0x30 [ 12.548180] [ 12.548459] The buggy address belongs to the object at ffff8881026a8e00 [ 12.548459] which belongs to the cache kmalloc-128 of size 128 [ 12.549298] The buggy address is located 0 bytes to the right of [ 12.549298] allocated 115-byte region [ffff8881026a8e00, ffff8881026a8e73) [ 12.550244] [ 12.550514] The buggy address belongs to the physical page: [ 12.550859] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026a8 [ 12.551177] flags: 0x200000000000000(node=0|zone=2) [ 12.551711] page_type: f5(slab) [ 12.551998] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.552482] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.552978] page dumped because: kasan: bad access detected [ 12.553375] [ 12.553484] Memory state around the buggy address: [ 12.553867] ffff8881026a8d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.554166] ffff8881026a8d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.554674] >ffff8881026a8e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 12.554955] ^ [ 12.555535] ffff8881026a8e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.556023] ffff8881026a8f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 12.556444] ==================================================================