Date
July 9, 2025, 12:11 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.594977] ================================================================== [ 21.595432] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 21.595987] Read of size 1 at addr fff00000c639c2bb by task kunit_try_catch/226 [ 21.596210] [ 21.596248] CPU: 1 UID: 0 PID: 226 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 21.596562] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.596595] Hardware name: linux,dummy-virt (DT) [ 21.596636] Call trace: [ 21.596660] show_stack+0x20/0x38 (C) [ 21.596713] dump_stack_lvl+0x8c/0xd0 [ 21.597145] print_report+0x118/0x608 [ 21.597610] kasan_report+0xdc/0x128 [ 21.597847] __asan_report_load1_noabort+0x20/0x30 [ 21.598272] mempool_oob_right_helper+0x2ac/0x2f0 [ 21.598531] mempool_slab_oob_right+0xc0/0x118 [ 21.598890] kunit_try_run_case+0x170/0x3f0 [ 21.598992] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.599050] kthread+0x328/0x630 [ 21.599504] ret_from_fork+0x10/0x20 [ 21.599560] [ 21.599579] Allocated by task 226: [ 21.599713] kasan_save_stack+0x3c/0x68 [ 21.599945] kasan_save_track+0x20/0x40 [ 21.600089] kasan_save_alloc_info+0x40/0x58 [ 21.600378] __kasan_mempool_unpoison_object+0xbc/0x180 [ 21.600624] remove_element+0x16c/0x1f8 [ 21.600672] mempool_alloc_preallocated+0x58/0xc0 [ 21.600818] mempool_oob_right_helper+0x98/0x2f0 [ 21.601123] mempool_slab_oob_right+0xc0/0x118 [ 21.601347] kunit_try_run_case+0x170/0x3f0 [ 21.601386] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.601444] kthread+0x328/0x630 [ 21.601481] ret_from_fork+0x10/0x20 [ 21.601519] [ 21.601539] The buggy address belongs to the object at fff00000c639c240 [ 21.601539] which belongs to the cache test_cache of size 123 [ 21.602811] The buggy address is located 0 bytes to the right of [ 21.602811] allocated 123-byte region [fff00000c639c240, fff00000c639c2bb) [ 21.603085] [ 21.603222] The buggy address belongs to the physical page: [ 21.603337] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10639c [ 21.603427] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.603477] page_type: f5(slab) [ 21.603535] raw: 0bfffe0000000000 fff00000c471aa00 dead000000000122 0000000000000000 [ 21.603704] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 21.603780] page dumped because: kasan: bad access detected [ 21.603813] [ 21.603831] Memory state around the buggy address: [ 21.603873] fff00000c639c180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.603933] fff00000c639c200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 21.603994] >fff00000c639c280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 21.604046] ^ [ 21.604082] fff00000c639c300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.604130] fff00000c639c380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.604169] ================================================================== [ 21.562822] ================================================================== [ 21.562896] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 21.562973] Read of size 1 at addr fff00000c64b5673 by task kunit_try_catch/222 [ 21.563024] [ 21.563069] CPU: 1 UID: 0 PID: 222 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 21.563159] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.563188] Hardware name: linux,dummy-virt (DT) [ 21.563222] Call trace: [ 21.563248] show_stack+0x20/0x38 (C) [ 21.563301] dump_stack_lvl+0x8c/0xd0 [ 21.563349] print_report+0x118/0x608 [ 21.563413] kasan_report+0xdc/0x128 [ 21.563459] __asan_report_load1_noabort+0x20/0x30 [ 21.563512] mempool_oob_right_helper+0x2ac/0x2f0 [ 21.563562] mempool_kmalloc_oob_right+0xc4/0x120 [ 21.563611] kunit_try_run_case+0x170/0x3f0 [ 21.563663] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.563715] kthread+0x328/0x630 [ 21.563761] ret_from_fork+0x10/0x20 [ 21.563811] [ 21.563831] Allocated by task 222: [ 21.563863] kasan_save_stack+0x3c/0x68 [ 21.563906] kasan_save_track+0x20/0x40 [ 21.563946] kasan_save_alloc_info+0x40/0x58 [ 21.563986] __kasan_mempool_unpoison_object+0x11c/0x180 [ 21.564031] remove_element+0x130/0x1f8 [ 21.564180] mempool_alloc_preallocated+0x58/0xc0 [ 21.564226] mempool_oob_right_helper+0x98/0x2f0 [ 21.564267] mempool_kmalloc_oob_right+0xc4/0x120 [ 21.564309] kunit_try_run_case+0x170/0x3f0 [ 21.564349] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.564394] kthread+0x328/0x630 [ 21.564446] ret_from_fork+0x10/0x20 [ 21.564488] [ 21.564509] The buggy address belongs to the object at fff00000c64b5600 [ 21.564509] which belongs to the cache kmalloc-128 of size 128 [ 21.564569] The buggy address is located 0 bytes to the right of [ 21.564569] allocated 115-byte region [fff00000c64b5600, fff00000c64b5673) [ 21.564635] [ 21.564658] The buggy address belongs to the physical page: [ 21.564693] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064b5 [ 21.564753] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.564811] page_type: f5(slab) [ 21.564858] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.564909] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.564952] page dumped because: kasan: bad access detected [ 21.564983] [ 21.565001] Memory state around the buggy address: [ 21.565037] fff00000c64b5500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.565086] fff00000c64b5580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.565132] >fff00000c64b5600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 21.565172] ^ [ 21.565212] fff00000c64b5680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.565257] fff00000c64b5700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 21.565297] ================================================================== [ 21.582732] ================================================================== [ 21.582792] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 21.582845] Read of size 1 at addr fff00000c77de001 by task kunit_try_catch/224 [ 21.582896] [ 21.582927] CPU: 1 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 21.583011] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.583039] Hardware name: linux,dummy-virt (DT) [ 21.583071] Call trace: [ 21.583094] show_stack+0x20/0x38 (C) [ 21.583144] dump_stack_lvl+0x8c/0xd0 [ 21.583190] print_report+0x118/0x608 [ 21.583236] kasan_report+0xdc/0x128 [ 21.583282] __asan_report_load1_noabort+0x20/0x30 [ 21.583333] mempool_oob_right_helper+0x2ac/0x2f0 [ 21.583383] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 21.583478] kunit_try_run_case+0x170/0x3f0 [ 21.583528] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.583581] kthread+0x328/0x630 [ 21.583623] ret_from_fork+0x10/0x20 [ 21.583680] [ 21.583703] The buggy address belongs to the physical page: [ 21.583743] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077dc [ 21.583800] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 21.583847] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 21.583902] page_type: f8(unknown) [ 21.583940] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.583990] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.584040] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.584124] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.584527] head: 0bfffe0000000002 ffffc1ffc31df701 00000000ffffffff 00000000ffffffff [ 21.584580] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 21.584630] page dumped because: kasan: bad access detected [ 21.584663] [ 21.584681] Memory state around the buggy address: [ 21.584714] fff00000c77ddf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.585021] fff00000c77ddf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.585087] >fff00000c77de000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.585142] ^ [ 21.585178] fff00000c77de080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.585258] fff00000c77de100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.585306] ==================================================================
[ 14.130169] ================================================================== [ 14.130777] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.131150] Read of size 1 at addr ffff88810a626001 by task kunit_try_catch/240 [ 14.131694] [ 14.131827] CPU: 0 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.131875] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.131888] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.131910] Call Trace: [ 14.131922] <TASK> [ 14.131954] dump_stack_lvl+0x73/0xb0 [ 14.131992] print_report+0xd1/0x650 [ 14.132016] ? __virt_addr_valid+0x1db/0x2d0 [ 14.132042] ? mempool_oob_right_helper+0x318/0x380 [ 14.132066] ? kasan_addr_to_slab+0x11/0xa0 [ 14.132087] ? mempool_oob_right_helper+0x318/0x380 [ 14.132111] kasan_report+0x141/0x180 [ 14.132133] ? mempool_oob_right_helper+0x318/0x380 [ 14.132161] __asan_report_load1_noabort+0x18/0x20 [ 14.132186] mempool_oob_right_helper+0x318/0x380 [ 14.132211] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.132238] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.132439] ? finish_task_switch.isra.0+0x153/0x700 [ 14.132478] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 14.132506] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 14.132535] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.132560] ? __pfx_mempool_kfree+0x10/0x10 [ 14.132585] ? __pfx_read_tsc+0x10/0x10 [ 14.132607] ? ktime_get_ts64+0x86/0x230 [ 14.132632] kunit_try_run_case+0x1a5/0x480 [ 14.132659] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.132682] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.132708] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.132731] ? __kthread_parkme+0x82/0x180 [ 14.132753] ? preempt_count_sub+0x50/0x80 [ 14.132776] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.132801] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.132825] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.132850] kthread+0x337/0x6f0 [ 14.132869] ? trace_preempt_on+0x20/0xc0 [ 14.132893] ? __pfx_kthread+0x10/0x10 [ 14.132914] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.132950] ? calculate_sigpending+0x7b/0xa0 [ 14.132989] ? __pfx_kthread+0x10/0x10 [ 14.133011] ret_from_fork+0x116/0x1d0 [ 14.133030] ? __pfx_kthread+0x10/0x10 [ 14.133049] ret_from_fork_asm+0x1a/0x30 [ 14.133081] </TASK> [ 14.133092] [ 14.143681] The buggy address belongs to the physical page: [ 14.143905] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a624 [ 14.144285] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 14.144501] flags: 0x200000000000040(head|node=0|zone=2) [ 14.144943] page_type: f8(unknown) [ 14.145332] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.145704] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.146244] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.146541] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.146856] head: 0200000000000002 ffffea0004298901 00000000ffffffff 00000000ffffffff [ 14.147266] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 14.147567] page dumped because: kasan: bad access detected [ 14.147820] [ 14.147942] Memory state around the buggy address: [ 14.148180] ffff88810a625f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.148560] ffff88810a625f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.148875] >ffff88810a626000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.149328] ^ [ 14.149451] ffff88810a626080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.149801] ffff88810a626100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.150127] ================================================================== [ 14.157827] ================================================================== [ 14.158461] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.158813] Read of size 1 at addr ffff8881026be2bb by task kunit_try_catch/242 [ 14.159149] [ 14.159268] CPU: 0 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.159313] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.159325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.159347] Call Trace: [ 14.159359] <TASK> [ 14.159380] dump_stack_lvl+0x73/0xb0 [ 14.159413] print_report+0xd1/0x650 [ 14.159437] ? __virt_addr_valid+0x1db/0x2d0 [ 14.159467] ? mempool_oob_right_helper+0x318/0x380 [ 14.159492] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.159535] ? mempool_oob_right_helper+0x318/0x380 [ 14.159560] kasan_report+0x141/0x180 [ 14.159581] ? mempool_oob_right_helper+0x318/0x380 [ 14.159610] __asan_report_load1_noabort+0x18/0x20 [ 14.159635] mempool_oob_right_helper+0x318/0x380 [ 14.159660] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.159688] ? finish_task_switch.isra.0+0x153/0x700 [ 14.159718] mempool_slab_oob_right+0xed/0x140 [ 14.159743] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 14.159770] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 14.159797] ? __pfx_mempool_free_slab+0x10/0x10 [ 14.159823] ? __pfx_read_tsc+0x10/0x10 [ 14.159867] ? ktime_get_ts64+0x86/0x230 [ 14.159892] kunit_try_run_case+0x1a5/0x480 [ 14.159920] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.159952] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.159978] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.160002] ? __kthread_parkme+0x82/0x180 [ 14.160024] ? preempt_count_sub+0x50/0x80 [ 14.160048] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.160073] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.160097] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.160122] kthread+0x337/0x6f0 [ 14.160141] ? trace_preempt_on+0x20/0xc0 [ 14.160165] ? __pfx_kthread+0x10/0x10 [ 14.160186] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.160207] ? calculate_sigpending+0x7b/0xa0 [ 14.160232] ? __pfx_kthread+0x10/0x10 [ 14.160253] ret_from_fork+0x116/0x1d0 [ 14.160286] ? __pfx_kthread+0x10/0x10 [ 14.160307] ret_from_fork_asm+0x1a/0x30 [ 14.160339] </TASK> [ 14.160350] [ 14.167665] Allocated by task 242: [ 14.167837] kasan_save_stack+0x45/0x70 [ 14.168041] kasan_save_track+0x18/0x40 [ 14.168212] kasan_save_alloc_info+0x3b/0x50 [ 14.168481] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 14.168699] remove_element+0x11e/0x190 [ 14.168886] mempool_alloc_preallocated+0x4d/0x90 [ 14.169116] mempool_oob_right_helper+0x8a/0x380 [ 14.169344] mempool_slab_oob_right+0xed/0x140 [ 14.169551] kunit_try_run_case+0x1a5/0x480 [ 14.169739] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.169965] kthread+0x337/0x6f0 [ 14.170127] ret_from_fork+0x116/0x1d0 [ 14.170271] ret_from_fork_asm+0x1a/0x30 [ 14.170577] [ 14.170646] The buggy address belongs to the object at ffff8881026be240 [ 14.170646] which belongs to the cache test_cache of size 123 [ 14.171145] The buggy address is located 0 bytes to the right of [ 14.171145] allocated 123-byte region [ffff8881026be240, ffff8881026be2bb) [ 14.171495] [ 14.171565] The buggy address belongs to the physical page: [ 14.171730] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026be [ 14.172102] flags: 0x200000000000000(node=0|zone=2) [ 14.172416] page_type: f5(slab) [ 14.172584] raw: 0200000000000000 ffff8881026b4500 dead000000000122 0000000000000000 [ 14.172919] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 14.173248] page dumped because: kasan: bad access detected [ 14.173489] [ 14.173579] Memory state around the buggy address: [ 14.173740] ffff8881026be180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.173956] ffff8881026be200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 14.174161] >ffff8881026be280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 14.174656] ^ [ 14.174901] ffff8881026be300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.175163] ffff8881026be380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.175645] ================================================================== [ 14.097270] ================================================================== [ 14.097702] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.098179] Read of size 1 at addr ffff888102ab9073 by task kunit_try_catch/238 [ 14.098411] [ 14.098506] CPU: 1 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.098555] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.098566] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.098588] Call Trace: [ 14.098601] <TASK> [ 14.098621] dump_stack_lvl+0x73/0xb0 [ 14.098655] print_report+0xd1/0x650 [ 14.098679] ? __virt_addr_valid+0x1db/0x2d0 [ 14.098711] ? mempool_oob_right_helper+0x318/0x380 [ 14.098735] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.098759] ? mempool_oob_right_helper+0x318/0x380 [ 14.098782] kasan_report+0x141/0x180 [ 14.098804] ? mempool_oob_right_helper+0x318/0x380 [ 14.098832] __asan_report_load1_noabort+0x18/0x20 [ 14.098857] mempool_oob_right_helper+0x318/0x380 [ 14.098882] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.098908] ? __kasan_check_write+0x18/0x20 [ 14.098937] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.098961] ? finish_task_switch.isra.0+0x153/0x700 [ 14.098989] mempool_kmalloc_oob_right+0xf2/0x150 [ 14.099013] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 14.099039] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.099066] ? __pfx_mempool_kfree+0x10/0x10 [ 14.099090] ? __pfx_read_tsc+0x10/0x10 [ 14.099113] ? ktime_get_ts64+0x86/0x230 [ 14.099605] kunit_try_run_case+0x1a5/0x480 [ 14.099644] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.099668] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.099694] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.099718] ? __kthread_parkme+0x82/0x180 [ 14.099740] ? preempt_count_sub+0x50/0x80 [ 14.099764] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.099789] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.099814] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.099840] kthread+0x337/0x6f0 [ 14.099859] ? trace_preempt_on+0x20/0xc0 [ 14.099883] ? __pfx_kthread+0x10/0x10 [ 14.099903] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.099924] ? calculate_sigpending+0x7b/0xa0 [ 14.099960] ? __pfx_kthread+0x10/0x10 [ 14.099982] ret_from_fork+0x116/0x1d0 [ 14.100001] ? __pfx_kthread+0x10/0x10 [ 14.100021] ret_from_fork_asm+0x1a/0x30 [ 14.100053] </TASK> [ 14.100065] [ 14.112742] Allocated by task 238: [ 14.113102] kasan_save_stack+0x45/0x70 [ 14.113287] kasan_save_track+0x18/0x40 [ 14.113472] kasan_save_alloc_info+0x3b/0x50 [ 14.113676] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 14.113901] remove_element+0x11e/0x190 [ 14.114570] mempool_alloc_preallocated+0x4d/0x90 [ 14.114782] mempool_oob_right_helper+0x8a/0x380 [ 14.115359] mempool_kmalloc_oob_right+0xf2/0x150 [ 14.115581] kunit_try_run_case+0x1a5/0x480 [ 14.116013] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.116411] kthread+0x337/0x6f0 [ 14.116659] ret_from_fork+0x116/0x1d0 [ 14.116879] ret_from_fork_asm+0x1a/0x30 [ 14.117222] [ 14.117326] The buggy address belongs to the object at ffff888102ab9000 [ 14.117326] which belongs to the cache kmalloc-128 of size 128 [ 14.118110] The buggy address is located 0 bytes to the right of [ 14.118110] allocated 115-byte region [ffff888102ab9000, ffff888102ab9073) [ 14.118938] [ 14.119318] The buggy address belongs to the physical page: [ 14.119548] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ab9 [ 14.119885] flags: 0x200000000000000(node=0|zone=2) [ 14.120432] page_type: f5(slab) [ 14.120697] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 14.121216] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 14.121649] page dumped because: kasan: bad access detected [ 14.121922] [ 14.122024] Memory state around the buggy address: [ 14.122538] ffff888102ab8f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.122812] ffff888102ab8f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.123526] >ffff888102ab9000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 14.123945] ^ [ 14.124470] ffff888102ab9080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.124746] ffff888102ab9100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 14.125360] ==================================================================