Date
July 10, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.913657] ================================================================== [ 17.913752] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.913852] Read of size 1 at addr fff00000c5a29873 by task kunit_try_catch/221 [ 17.913904] [ 17.913945] CPU: 0 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 17.914033] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.914059] Hardware name: linux,dummy-virt (DT) [ 17.914104] Call trace: [ 17.914129] show_stack+0x20/0x38 (C) [ 17.914184] dump_stack_lvl+0x8c/0xd0 [ 17.914235] print_report+0x118/0x608 [ 17.914284] kasan_report+0xdc/0x128 [ 17.914329] __asan_report_load1_noabort+0x20/0x30 [ 17.914382] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.914432] mempool_kmalloc_oob_right+0xc4/0x120 [ 17.914484] kunit_try_run_case+0x170/0x3f0 [ 17.914534] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.914588] kthread+0x328/0x630 [ 17.914632] ret_from_fork+0x10/0x20 [ 17.914683] [ 17.914701] Allocated by task 221: [ 17.914730] kasan_save_stack+0x3c/0x68 [ 17.914773] kasan_save_track+0x20/0x40 [ 17.914810] kasan_save_alloc_info+0x40/0x58 [ 17.914852] __kasan_mempool_unpoison_object+0x11c/0x180 [ 17.914895] remove_element+0x130/0x1f8 [ 17.914935] mempool_alloc_preallocated+0x58/0xc0 [ 17.914974] mempool_oob_right_helper+0x98/0x2f0 [ 17.915014] mempool_kmalloc_oob_right+0xc4/0x120 [ 17.915057] kunit_try_run_case+0x170/0x3f0 [ 17.915105] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.915149] kthread+0x328/0x630 [ 17.915182] ret_from_fork+0x10/0x20 [ 17.915218] [ 17.915237] The buggy address belongs to the object at fff00000c5a29800 [ 17.915237] which belongs to the cache kmalloc-128 of size 128 [ 17.915295] The buggy address is located 0 bytes to the right of [ 17.915295] allocated 115-byte region [fff00000c5a29800, fff00000c5a29873) [ 17.915359] [ 17.915380] The buggy address belongs to the physical page: [ 17.915415] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a29 [ 17.915469] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.915522] page_type: f5(slab) [ 17.915563] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.915613] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.915654] page dumped because: kasan: bad access detected [ 17.915686] [ 17.915704] Memory state around the buggy address: [ 17.915738] fff00000c5a29700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.915780] fff00000c5a29780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.915826] >fff00000c5a29800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 17.915866] ^ [ 17.915904] fff00000c5a29880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.915946] fff00000c5a29900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 17.915985] ================================================================== [ 17.946473] ================================================================== [ 17.946553] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.946624] Read of size 1 at addr fff00000c7806001 by task kunit_try_catch/223 [ 17.946675] [ 17.946716] CPU: 0 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 17.946803] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.946830] Hardware name: linux,dummy-virt (DT) [ 17.946862] Call trace: [ 17.946888] show_stack+0x20/0x38 (C) [ 17.946940] dump_stack_lvl+0x8c/0xd0 [ 17.946990] print_report+0x118/0x608 [ 17.947038] kasan_report+0xdc/0x128 [ 17.947098] __asan_report_load1_noabort+0x20/0x30 [ 17.947152] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.947201] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 17.947255] kunit_try_run_case+0x170/0x3f0 [ 17.947303] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.947357] kthread+0x328/0x630 [ 17.947401] ret_from_fork+0x10/0x20 [ 17.947450] [ 17.947471] The buggy address belongs to the physical page: [ 17.947508] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107804 [ 17.947565] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 17.947612] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 17.947669] page_type: f8(unknown) [ 17.947710] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.947759] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.947809] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.947858] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.947907] head: 0bfffe0000000002 ffffc1ffc31e0101 00000000ffffffff 00000000ffffffff [ 17.947956] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 17.947999] page dumped because: kasan: bad access detected [ 17.948028] [ 17.948048] Memory state around the buggy address: [ 17.948089] fff00000c7805f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.948132] fff00000c7805f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.948174] >fff00000c7806000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.948212] ^ [ 17.948240] fff00000c7806080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.948282] fff00000c7806100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.948320] ================================================================== [ 17.969432] ================================================================== [ 17.969504] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.969569] Read of size 1 at addr fff00000c64522bb by task kunit_try_catch/225 [ 17.969634] [ 17.969675] CPU: 0 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 17.969792] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.969825] Hardware name: linux,dummy-virt (DT) [ 17.969857] Call trace: [ 17.969960] show_stack+0x20/0x38 (C) [ 17.970138] dump_stack_lvl+0x8c/0xd0 [ 17.970256] print_report+0x118/0x608 [ 17.970402] kasan_report+0xdc/0x128 [ 17.970508] __asan_report_load1_noabort+0x20/0x30 [ 17.970617] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.970718] mempool_slab_oob_right+0xc0/0x118 [ 17.970768] kunit_try_run_case+0x170/0x3f0 [ 17.970818] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.970995] kthread+0x328/0x630 [ 17.971047] ret_from_fork+0x10/0x20 [ 17.971110] [ 17.971165] Allocated by task 225: [ 17.971221] kasan_save_stack+0x3c/0x68 [ 17.971347] kasan_save_track+0x20/0x40 [ 17.971407] kasan_save_alloc_info+0x40/0x58 [ 17.971755] __kasan_mempool_unpoison_object+0xbc/0x180 [ 17.971884] remove_element+0x16c/0x1f8 [ 17.971982] mempool_alloc_preallocated+0x58/0xc0 [ 17.972098] mempool_oob_right_helper+0x98/0x2f0 [ 17.972150] mempool_slab_oob_right+0xc0/0x118 [ 17.972191] kunit_try_run_case+0x170/0x3f0 [ 17.972228] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.972281] kthread+0x328/0x630 [ 17.972331] ret_from_fork+0x10/0x20 [ 17.972369] [ 17.972398] The buggy address belongs to the object at fff00000c6452240 [ 17.972398] which belongs to the cache test_cache of size 123 [ 17.972472] The buggy address is located 0 bytes to the right of [ 17.972472] allocated 123-byte region [fff00000c6452240, fff00000c64522bb) [ 17.972535] [ 17.972558] The buggy address belongs to the physical page: [ 17.972590] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106452 [ 17.972642] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.972694] page_type: f5(slab) [ 17.972753] raw: 0bfffe0000000000 fff00000c5945a00 dead000000000122 0000000000000000 [ 17.972804] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 17.972853] page dumped because: kasan: bad access detected [ 17.972886] [ 17.972905] Memory state around the buggy address: [ 17.972956] fff00000c6452180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.973009] fff00000c6452200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 17.973051] >fff00000c6452280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 17.973099] ^ [ 17.973132] fff00000c6452300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.973173] fff00000c6452380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.973211] ==================================================================
[ 14.150814] ================================================================== [ 14.151341] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.151943] Read of size 1 at addr ffff8881039f6001 by task kunit_try_catch/240 [ 14.152241] [ 14.152333] CPU: 0 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.152437] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.152450] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.152470] Call Trace: [ 14.152482] <TASK> [ 14.152496] dump_stack_lvl+0x73/0xb0 [ 14.152527] print_report+0xd1/0x650 [ 14.152549] ? __virt_addr_valid+0x1db/0x2d0 [ 14.152573] ? mempool_oob_right_helper+0x318/0x380 [ 14.152596] ? kasan_addr_to_slab+0x11/0xa0 [ 14.152616] ? mempool_oob_right_helper+0x318/0x380 [ 14.152640] kasan_report+0x141/0x180 [ 14.152661] ? mempool_oob_right_helper+0x318/0x380 [ 14.152690] __asan_report_load1_noabort+0x18/0x20 [ 14.152715] mempool_oob_right_helper+0x318/0x380 [ 14.152740] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.152763] ? update_load_avg+0x1be/0x21b0 [ 14.152790] ? finish_task_switch.isra.0+0x153/0x700 [ 14.152816] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 14.152841] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 14.152870] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.152893] ? __pfx_mempool_kfree+0x10/0x10 [ 14.152918] ? __pfx_read_tsc+0x10/0x10 [ 14.152938] ? ktime_get_ts64+0x86/0x230 [ 14.152962] kunit_try_run_case+0x1a5/0x480 [ 14.152986] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.153009] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.153034] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.153057] ? __kthread_parkme+0x82/0x180 [ 14.153079] ? preempt_count_sub+0x50/0x80 [ 14.153101] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.153126] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.153150] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.153175] kthread+0x337/0x6f0 [ 14.153194] ? trace_preempt_on+0x20/0xc0 [ 14.153217] ? __pfx_kthread+0x10/0x10 [ 14.153237] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.153258] ? calculate_sigpending+0x7b/0xa0 [ 14.153282] ? __pfx_kthread+0x10/0x10 [ 14.153303] ret_from_fork+0x116/0x1d0 [ 14.153321] ? __pfx_kthread+0x10/0x10 [ 14.153341] ret_from_fork_asm+0x1a/0x30 [ 14.153448] </TASK> [ 14.153458] [ 14.163005] The buggy address belongs to the physical page: [ 14.163242] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039f4 [ 14.163498] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 14.163723] flags: 0x200000000000040(head|node=0|zone=2) [ 14.164013] page_type: f8(unknown) [ 14.164195] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.164485] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.164714] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.165562] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.165927] head: 0200000000000002 ffffea00040e7d01 00000000ffffffff 00000000ffffffff [ 14.166263] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 14.166675] page dumped because: kasan: bad access detected [ 14.166896] [ 14.166992] Memory state around the buggy address: [ 14.167185] ffff8881039f5f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.167570] ffff8881039f5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.167820] >ffff8881039f6000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.168031] ^ [ 14.168199] ffff8881039f6080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.168530] ffff8881039f6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.168810] ================================================================== [ 14.173153] ================================================================== [ 14.173938] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.174253] Read of size 1 at addr ffff8881039b62bb by task kunit_try_catch/242 [ 14.174630] [ 14.174749] CPU: 1 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.174792] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.174803] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.174823] Call Trace: [ 14.174836] <TASK> [ 14.174853] dump_stack_lvl+0x73/0xb0 [ 14.174884] print_report+0xd1/0x650 [ 14.174908] ? __virt_addr_valid+0x1db/0x2d0 [ 14.174933] ? mempool_oob_right_helper+0x318/0x380 [ 14.174957] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.174980] ? mempool_oob_right_helper+0x318/0x380 [ 14.175005] kasan_report+0x141/0x180 [ 14.175027] ? mempool_oob_right_helper+0x318/0x380 [ 14.175056] __asan_report_load1_noabort+0x18/0x20 [ 14.175081] mempool_oob_right_helper+0x318/0x380 [ 14.175106] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.175133] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.175158] ? finish_task_switch.isra.0+0x153/0x700 [ 14.175184] mempool_slab_oob_right+0xed/0x140 [ 14.175209] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 14.175238] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 14.175264] ? __pfx_mempool_free_slab+0x10/0x10 [ 14.175291] ? __pfx_read_tsc+0x10/0x10 [ 14.175312] ? ktime_get_ts64+0x86/0x230 [ 14.175338] kunit_try_run_case+0x1a5/0x480 [ 14.175438] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.175463] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.175489] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.175513] ? __kthread_parkme+0x82/0x180 [ 14.175535] ? preempt_count_sub+0x50/0x80 [ 14.175558] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.175583] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.175607] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.175633] kthread+0x337/0x6f0 [ 14.175652] ? trace_preempt_on+0x20/0xc0 [ 14.175677] ? __pfx_kthread+0x10/0x10 [ 14.175698] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.175720] ? calculate_sigpending+0x7b/0xa0 [ 14.175744] ? __pfx_kthread+0x10/0x10 [ 14.175766] ret_from_fork+0x116/0x1d0 [ 14.175784] ? __pfx_kthread+0x10/0x10 [ 14.175804] ret_from_fork_asm+0x1a/0x30 [ 14.175836] </TASK> [ 14.175846] [ 14.183841] Allocated by task 242: [ 14.184021] kasan_save_stack+0x45/0x70 [ 14.184235] kasan_save_track+0x18/0x40 [ 14.184443] kasan_save_alloc_info+0x3b/0x50 [ 14.184698] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 14.184878] remove_element+0x11e/0x190 [ 14.185016] mempool_alloc_preallocated+0x4d/0x90 [ 14.185217] mempool_oob_right_helper+0x8a/0x380 [ 14.185616] mempool_slab_oob_right+0xed/0x140 [ 14.185840] kunit_try_run_case+0x1a5/0x480 [ 14.186053] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.186314] kthread+0x337/0x6f0 [ 14.186573] ret_from_fork+0x116/0x1d0 [ 14.186774] ret_from_fork_asm+0x1a/0x30 [ 14.186954] [ 14.187031] The buggy address belongs to the object at ffff8881039b6240 [ 14.187031] which belongs to the cache test_cache of size 123 [ 14.187605] The buggy address is located 0 bytes to the right of [ 14.187605] allocated 123-byte region [ffff8881039b6240, ffff8881039b62bb) [ 14.188002] [ 14.188074] The buggy address belongs to the physical page: [ 14.188248] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039b6 [ 14.188528] flags: 0x200000000000000(node=0|zone=2) [ 14.188966] page_type: f5(slab) [ 14.189133] raw: 0200000000000000 ffff8881039b0140 dead000000000122 0000000000000000 [ 14.189481] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 14.189814] page dumped because: kasan: bad access detected [ 14.190255] [ 14.190328] Memory state around the buggy address: [ 14.190693] ffff8881039b6180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.190972] ffff8881039b6200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 14.191220] >ffff8881039b6280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 14.191550] ^ [ 14.191964] ffff8881039b6300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.192263] ffff8881039b6380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.192640] ================================================================== [ 14.123095] ================================================================== [ 14.123742] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.124025] Read of size 1 at addr ffff8881027a3973 by task kunit_try_catch/238 [ 14.124247] [ 14.124338] CPU: 0 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.124399] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.124410] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.124433] Call Trace: [ 14.124444] <TASK> [ 14.124463] dump_stack_lvl+0x73/0xb0 [ 14.124495] print_report+0xd1/0x650 [ 14.124519] ? __virt_addr_valid+0x1db/0x2d0 [ 14.124542] ? mempool_oob_right_helper+0x318/0x380 [ 14.124566] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.124590] ? mempool_oob_right_helper+0x318/0x380 [ 14.125088] kasan_report+0x141/0x180 [ 14.125112] ? mempool_oob_right_helper+0x318/0x380 [ 14.125148] __asan_report_load1_noabort+0x18/0x20 [ 14.125173] mempool_oob_right_helper+0x318/0x380 [ 14.125198] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.125222] ? update_load_avg+0x1be/0x21b0 [ 14.125246] ? dequeue_entities+0x27e/0x1740 [ 14.125269] ? __kasan_check_write+0x18/0x20 [ 14.125290] ? finish_task_switch.isra.0+0x153/0x700 [ 14.125316] mempool_kmalloc_oob_right+0xf2/0x150 [ 14.125340] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 14.125390] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.125417] ? __pfx_mempool_kfree+0x10/0x10 [ 14.125442] ? __pfx_read_tsc+0x10/0x10 [ 14.125474] ? ktime_get_ts64+0x86/0x230 [ 14.125499] kunit_try_run_case+0x1a5/0x480 [ 14.125524] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.125548] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.125573] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.125597] ? __kthread_parkme+0x82/0x180 [ 14.125618] ? preempt_count_sub+0x50/0x80 [ 14.125640] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.125665] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.125689] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.125714] kthread+0x337/0x6f0 [ 14.125732] ? trace_preempt_on+0x20/0xc0 [ 14.125757] ? __pfx_kthread+0x10/0x10 [ 14.125777] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.125798] ? calculate_sigpending+0x7b/0xa0 [ 14.125823] ? __pfx_kthread+0x10/0x10 [ 14.125844] ret_from_fork+0x116/0x1d0 [ 14.125863] ? __pfx_kthread+0x10/0x10 [ 14.125883] ret_from_fork_asm+0x1a/0x30 [ 14.125914] </TASK> [ 14.125925] [ 14.138188] Allocated by task 238: [ 14.138322] kasan_save_stack+0x45/0x70 [ 14.138557] kasan_save_track+0x18/0x40 [ 14.138735] kasan_save_alloc_info+0x3b/0x50 [ 14.138996] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 14.139233] remove_element+0x11e/0x190 [ 14.139440] mempool_alloc_preallocated+0x4d/0x90 [ 14.139692] mempool_oob_right_helper+0x8a/0x380 [ 14.139917] mempool_kmalloc_oob_right+0xf2/0x150 [ 14.140090] kunit_try_run_case+0x1a5/0x480 [ 14.140329] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.140531] kthread+0x337/0x6f0 [ 14.140831] ret_from_fork+0x116/0x1d0 [ 14.141079] ret_from_fork_asm+0x1a/0x30 [ 14.141283] [ 14.141376] The buggy address belongs to the object at ffff8881027a3900 [ 14.141376] which belongs to the cache kmalloc-128 of size 128 [ 14.142084] The buggy address is located 0 bytes to the right of [ 14.142084] allocated 115-byte region [ffff8881027a3900, ffff8881027a3973) [ 14.142701] [ 14.142957] The buggy address belongs to the physical page: [ 14.143154] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027a3 [ 14.143629] flags: 0x200000000000000(node=0|zone=2) [ 14.143882] page_type: f5(slab) [ 14.144031] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 14.144362] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 14.144896] page dumped because: kasan: bad access detected [ 14.145124] [ 14.145214] Memory state around the buggy address: [ 14.145688] ffff8881027a3800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.145913] ffff8881027a3880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.146231] >ffff8881027a3900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 14.146657] ^ [ 14.147101] ffff8881027a3980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.147429] ffff8881027a3a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 14.147807] ==================================================================