Hay
Date
June 5, 2025, 7:08 a.m.

Environment
qemu-arm64
qemu-x86_64

[   28.151818] ==================================================================
[   28.151965] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0
[   28.152428] Read of size 1 at addr fff00000c787a001 by task kunit_try_catch/223
[   28.152696] 
[   28.152809] CPU: 0 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250605 #1 PREEMPT 
[   28.153024] Tainted: [B]=BAD_PAGE, [N]=TEST
[   28.153372] Hardware name: linux,dummy-virt (DT)
[   28.153489] Call trace:
[   28.153548]  show_stack+0x20/0x38 (C)
[   28.153800]  dump_stack_lvl+0x8c/0xd0
[   28.154004]  print_report+0x118/0x608
[   28.154175]  kasan_report+0xdc/0x128
[   28.154354]  __asan_report_load1_noabort+0x20/0x30
[   28.154665]  mempool_oob_right_helper+0x2ac/0x2f0
[   28.155252]  mempool_kmalloc_large_oob_right+0xc4/0x120
[   28.155982]  kunit_try_run_case+0x170/0x3f0
[   28.156450]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   28.156596]  kthread+0x328/0x630
[   28.156718]  ret_from_fork+0x10/0x20
[   28.157371] 
[   28.157439] The buggy address belongs to the physical page:
[   28.157649] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107878
[   28.158132] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   28.158398] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   28.158612] page_type: f8(unknown)
[   28.158719] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   28.159053] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   28.159388] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   28.159581] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   28.159707] head: 0bfffe0000000002 ffffc1ffc31e1e01 00000000ffffffff 00000000ffffffff
[   28.160015] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   28.160128] page dumped because: kasan: bad access detected
[   28.160227] 
[   28.160788] Memory state around the buggy address:
[   28.160921]  fff00000c7879f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   28.161082]  fff00000c7879f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   28.161194] >fff00000c787a000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   28.161347]                    ^
[   28.161544]  fff00000c787a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   28.161730]  fff00000c787a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   28.162178] ==================================================================
[   28.189967] ==================================================================
[   28.190118] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0
[   28.190247] Read of size 1 at addr fff00000c77262bb by task kunit_try_catch/225
[   28.190410] 
[   28.190491] CPU: 0 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250605 #1 PREEMPT 
[   28.190708] Tainted: [B]=BAD_PAGE, [N]=TEST
[   28.190780] Hardware name: linux,dummy-virt (DT)
[   28.190916] Call trace:
[   28.190992]  show_stack+0x20/0x38 (C)
[   28.191216]  dump_stack_lvl+0x8c/0xd0
[   28.191377]  print_report+0x118/0x608
[   28.191513]  kasan_report+0xdc/0x128
[   28.191894]  __asan_report_load1_noabort+0x20/0x30
[   28.192033]  mempool_oob_right_helper+0x2ac/0x2f0
[   28.192197]  mempool_slab_oob_right+0xc0/0x118
[   28.192526]  kunit_try_run_case+0x170/0x3f0
[   28.192916]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   28.193186]  kthread+0x328/0x630
[   28.193473]  ret_from_fork+0x10/0x20
[   28.193905] 
[   28.193956] Allocated by task 225:
[   28.194028]  kasan_save_stack+0x3c/0x68
[   28.194870]  kasan_save_track+0x20/0x40
[   28.195078]  kasan_save_alloc_info+0x40/0x58
[   28.195537]  __kasan_mempool_unpoison_object+0xbc/0x180
[   28.195994]  remove_element+0x16c/0x1f8
[   28.196480]  mempool_alloc_preallocated+0x58/0xc0
[   28.196600]  mempool_oob_right_helper+0x98/0x2f0
[   28.197075]  mempool_slab_oob_right+0xc0/0x118
[   28.197576]  kunit_try_run_case+0x170/0x3f0
[   28.197687]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   28.197800]  kthread+0x328/0x630
[   28.198855]  ret_from_fork+0x10/0x20
[   28.198989] 
[   28.199037] The buggy address belongs to the object at fff00000c7726240
[   28.199037]  which belongs to the cache test_cache of size 123
[   28.199994] The buggy address is located 0 bytes to the right of
[   28.199994]  allocated 123-byte region [fff00000c7726240, fff00000c77262bb)
[   28.200517] 
[   28.200573] The buggy address belongs to the physical page:
[   28.200904] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107726
[   28.201453] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   28.201751] page_type: f5(slab)
[   28.201850] raw: 0bfffe0000000000 fff00000c772c140 dead000000000122 0000000000000000
[   28.201977] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000
[   28.202078] page dumped because: kasan: bad access detected
[   28.203302] 
[   28.203545] Memory state around the buggy address:
[   28.203957]  fff00000c7726180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   28.204142]  fff00000c7726200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
[   28.204739] >fff00000c7726280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc
[   28.204876]                                         ^
[   28.205260]  fff00000c7726300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.205460]  fff00000c7726380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.206268] ==================================================================
[   28.087069] ==================================================================
[   28.089039] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0
[   28.089416] Read of size 1 at addr fff00000c6419b73 by task kunit_try_catch/221
[   28.090830] 
[   28.091342] CPU: 0 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250605 #1 PREEMPT 
[   28.092400] Tainted: [B]=BAD_PAGE, [N]=TEST
[   28.092841] Hardware name: linux,dummy-virt (DT)
[   28.093031] Call trace:
[   28.093089]  show_stack+0x20/0x38 (C)
[   28.094546]  dump_stack_lvl+0x8c/0xd0
[   28.094713]  print_report+0x118/0x608
[   28.094834]  kasan_report+0xdc/0x128
[   28.096245]  __asan_report_load1_noabort+0x20/0x30
[   28.096506]  mempool_oob_right_helper+0x2ac/0x2f0
[   28.096627]  mempool_kmalloc_oob_right+0xc4/0x120
[   28.096749]  kunit_try_run_case+0x170/0x3f0
[   28.096877]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   28.097009]  kthread+0x328/0x630
[   28.097118]  ret_from_fork+0x10/0x20
[   28.099490] 
[   28.099682] Allocated by task 221:
[   28.100546]  kasan_save_stack+0x3c/0x68
[   28.100674]  kasan_save_track+0x20/0x40
[   28.100764]  kasan_save_alloc_info+0x40/0x58
[   28.101875]  __kasan_mempool_unpoison_object+0x11c/0x180
[   28.102560]  remove_element+0x130/0x1f8
[   28.102775]  mempool_alloc_preallocated+0x58/0xc0
[   28.103867]  mempool_oob_right_helper+0x98/0x2f0
[   28.103987]  mempool_kmalloc_oob_right+0xc4/0x120
[   28.104100]  kunit_try_run_case+0x170/0x3f0
[   28.104198]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   28.105786]  kthread+0x328/0x630
[   28.105938]  ret_from_fork+0x10/0x20
[   28.106031] 
[   28.106881] The buggy address belongs to the object at fff00000c6419b00
[   28.106881]  which belongs to the cache kmalloc-128 of size 128
[   28.107384] The buggy address is located 0 bytes to the right of
[   28.107384]  allocated 115-byte region [fff00000c6419b00, fff00000c6419b73)
[   28.108079] 
[   28.108723] The buggy address belongs to the physical page:
[   28.109014] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106419
[   28.109632] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   28.109763] page_type: f5(slab)
[   28.109860] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   28.111277] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   28.111406] page dumped because: kasan: bad access detected
[   28.111489] 
[   28.111531] Memory state around the buggy address:
[   28.111609]  fff00000c6419a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   28.113037]  fff00000c6419a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.113477] >fff00000c6419b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   28.114704]                                                              ^
[   28.115253]  fff00000c6419b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.115388]  fff00000c6419c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   28.115489] ==================================================================


[   12.906835] ==================================================================
[   12.907560] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380
[   12.908499] Read of size 1 at addr ffff88810278d2bb by task kunit_try_catch/242
[   12.909017] 
[   12.909539] CPU: 1 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250605 #1 PREEMPT(voluntary) 
[   12.909590] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.909602] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.909623] Call Trace:
[   12.909647]  <TASK>
[   12.909662]  dump_stack_lvl+0x73/0xb0
[   12.909689]  print_report+0xd1/0x650
[   12.909745]  ? __virt_addr_valid+0x1db/0x2d0
[   12.909768]  ? mempool_oob_right_helper+0x318/0x380
[   12.909791]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.909814]  ? mempool_oob_right_helper+0x318/0x380
[   12.909838]  kasan_report+0x141/0x180
[   12.909859]  ? mempool_oob_right_helper+0x318/0x380
[   12.909887]  __asan_report_load1_noabort+0x18/0x20
[   12.909923]  mempool_oob_right_helper+0x318/0x380
[   12.909947]  ? __pfx_mempool_oob_right_helper+0x10/0x10
[   12.909974]  ? finish_task_switch.isra.0+0x153/0x700
[   12.910000]  mempool_slab_oob_right+0xed/0x140
[   12.910082]  ? __pfx_mempool_slab_oob_right+0x10/0x10
[   12.910112]  ? __pfx_mempool_alloc_slab+0x10/0x10
[   12.910133]  ? __pfx_mempool_free_slab+0x10/0x10
[   12.910154]  ? __pfx_read_tsc+0x10/0x10
[   12.910174]  ? ktime_get_ts64+0x86/0x230
[   12.910198]  kunit_try_run_case+0x1a5/0x480
[   12.910219]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.910238]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.910263]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.910287]  ? __kthread_parkme+0x82/0x180
[   12.910307]  ? preempt_count_sub+0x50/0x80
[   12.910329]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.910350]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.910374]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.910398]  kthread+0x337/0x6f0
[   12.910417]  ? trace_preempt_on+0x20/0xc0
[   12.910438]  ? __pfx_kthread+0x10/0x10
[   12.910458]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.910480]  ? calculate_sigpending+0x7b/0xa0
[   12.910503]  ? __pfx_kthread+0x10/0x10
[   12.910524]  ret_from_fork+0x116/0x1d0
[   12.910542]  ? __pfx_kthread+0x10/0x10
[   12.910562]  ret_from_fork_asm+0x1a/0x30
[   12.910592]  </TASK>
[   12.910602] 
[   12.919825] Allocated by task 242:
[   12.920083]  kasan_save_stack+0x45/0x70
[   12.920282]  kasan_save_track+0x18/0x40
[   12.920491]  kasan_save_alloc_info+0x3b/0x50
[   12.920714]  __kasan_mempool_unpoison_object+0x1bb/0x200
[   12.920886]  remove_element+0x11e/0x190
[   12.921335]  mempool_alloc_preallocated+0x4d/0x90
[   12.921564]  mempool_oob_right_helper+0x8a/0x380
[   12.921726]  mempool_slab_oob_right+0xed/0x140
[   12.922290]  kunit_try_run_case+0x1a5/0x480
[   12.922460]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.922790]  kthread+0x337/0x6f0
[   12.922976]  ret_from_fork+0x116/0x1d0
[   12.923233]  ret_from_fork_asm+0x1a/0x30
[   12.923376] 
[   12.923447] The buggy address belongs to the object at ffff88810278d240
[   12.923447]  which belongs to the cache test_cache of size 123
[   12.924208] The buggy address is located 0 bytes to the right of
[   12.924208]  allocated 123-byte region [ffff88810278d240, ffff88810278d2bb)
[   12.924813] 
[   12.925044] The buggy address belongs to the physical page:
[   12.925343] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10278d
[   12.925712] flags: 0x200000000000000(node=0|zone=2)
[   12.926228] page_type: f5(slab)
[   12.926419] raw: 0200000000000000 ffff8881018ce500 dead000000000122 0000000000000000
[   12.926815] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000
[   12.927353] page dumped because: kasan: bad access detected
[   12.927600] 
[   12.927700] Memory state around the buggy address:
[   12.928014]  ffff88810278d180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.928349]  ffff88810278d200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
[   12.928687] >ffff88810278d280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc
[   12.929070]                                         ^
[   12.929344]  ffff88810278d300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.929611]  ffff88810278d380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.930162] ==================================================================
[   12.850188] ==================================================================
[   12.850630] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380
[   12.851134] Read of size 1 at addr ffff88810276ea73 by task kunit_try_catch/238
[   12.851483] 
[   12.851655] CPU: 1 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250605 #1 PREEMPT(voluntary) 
[   12.851735] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.851747] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.851788] Call Trace:
[   12.851802]  <TASK>
[   12.851820]  dump_stack_lvl+0x73/0xb0
[   12.851851]  print_report+0xd1/0x650
[   12.851873]  ? __virt_addr_valid+0x1db/0x2d0
[   12.851908]  ? mempool_oob_right_helper+0x318/0x380
[   12.851930]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.852015]  ? mempool_oob_right_helper+0x318/0x380
[   12.852112]  kasan_report+0x141/0x180
[   12.852137]  ? mempool_oob_right_helper+0x318/0x380
[   12.852177]  __asan_report_load1_noabort+0x18/0x20
[   12.852203]  mempool_oob_right_helper+0x318/0x380
[   12.852228]  ? __pfx_mempool_oob_right_helper+0x10/0x10
[   12.852250]  ? update_load_avg+0x1be/0x21b0
[   12.852276]  ? dequeue_entities+0x27e/0x1740
[   12.852301]  ? finish_task_switch.isra.0+0x153/0x700
[   12.852329]  mempool_kmalloc_oob_right+0xf2/0x150
[   12.852353]  ? __pfx_mempool_kmalloc_oob_right+0x10/0x10
[   12.852379]  ? __pfx_mempool_kmalloc+0x10/0x10
[   12.852400]  ? __pfx_mempool_kfree+0x10/0x10
[   12.852423]  ? __pfx_read_tsc+0x10/0x10
[   12.852446]  ? ktime_get_ts64+0x86/0x230
[   12.852471]  kunit_try_run_case+0x1a5/0x480
[   12.852497]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.852518]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.852543]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.852569]  ? __kthread_parkme+0x82/0x180
[   12.852591]  ? preempt_count_sub+0x50/0x80
[   12.852614]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.852644]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.852669]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.852693]  kthread+0x337/0x6f0
[   12.852714]  ? trace_preempt_on+0x20/0xc0
[   12.852738]  ? __pfx_kthread+0x10/0x10
[   12.852758]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.852781]  ? calculate_sigpending+0x7b/0xa0
[   12.852805]  ? __pfx_kthread+0x10/0x10
[   12.852827]  ret_from_fork+0x116/0x1d0
[   12.852845]  ? __pfx_kthread+0x10/0x10
[   12.852865]  ret_from_fork_asm+0x1a/0x30
[   12.852908]  </TASK>
[   12.852919] 
[   12.863572] Allocated by task 238:
[   12.863808]  kasan_save_stack+0x45/0x70
[   12.864185]  kasan_save_track+0x18/0x40
[   12.864388]  kasan_save_alloc_info+0x3b/0x50
[   12.864664]  __kasan_mempool_unpoison_object+0x1a9/0x200
[   12.864982]  remove_element+0x11e/0x190
[   12.865217]  mempool_alloc_preallocated+0x4d/0x90
[   12.865573]  mempool_oob_right_helper+0x8a/0x380
[   12.865918]  mempool_kmalloc_oob_right+0xf2/0x150
[   12.866218]  kunit_try_run_case+0x1a5/0x480
[   12.866399]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.866589]  kthread+0x337/0x6f0
[   12.866884]  ret_from_fork+0x116/0x1d0
[   12.867355]  ret_from_fork_asm+0x1a/0x30
[   12.867575] 
[   12.867673] The buggy address belongs to the object at ffff88810276ea00
[   12.867673]  which belongs to the cache kmalloc-128 of size 128
[   12.868277] The buggy address is located 0 bytes to the right of
[   12.868277]  allocated 115-byte region [ffff88810276ea00, ffff88810276ea73)
[   12.868982] 
[   12.869157] The buggy address belongs to the physical page:
[   12.869437] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10276e
[   12.869808] flags: 0x200000000000000(node=0|zone=2)
[   12.870265] page_type: f5(slab)
[   12.870400] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.870778] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   12.871216] page dumped because: kasan: bad access detected
[   12.871538] 
[   12.871637] Memory state around the buggy address:
[   12.871885]  ffff88810276e900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.872349]  ffff88810276e980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.872721] >ffff88810276ea00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   12.873132]                                                              ^
[   12.873397]  ffff88810276ea80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.873775]  ffff88810276eb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   12.874071] ==================================================================
[   12.878114] ==================================================================
[   12.878640] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380
[   12.879347] Read of size 1 at addr ffff888103b0a001 by task kunit_try_catch/240
[   12.879829] 
[   12.879959] CPU: 0 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250605 #1 PREEMPT(voluntary) 
[   12.880009] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.880021] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.880043] Call Trace:
[   12.880056]  <TASK>
[   12.880146]  dump_stack_lvl+0x73/0xb0
[   12.880179]  print_report+0xd1/0x650
[   12.880201]  ? __virt_addr_valid+0x1db/0x2d0
[   12.880225]  ? mempool_oob_right_helper+0x318/0x380
[   12.880247]  ? kasan_addr_to_slab+0x11/0xa0
[   12.880268]  ? mempool_oob_right_helper+0x318/0x380
[   12.880291]  kasan_report+0x141/0x180
[   12.880313]  ? mempool_oob_right_helper+0x318/0x380
[   12.880341]  __asan_report_load1_noabort+0x18/0x20
[   12.880365]  mempool_oob_right_helper+0x318/0x380
[   12.880389]  ? __pfx_mempool_oob_right_helper+0x10/0x10
[   12.880415]  ? __pfx_sched_clock_cpu+0x10/0x10
[   12.880439]  ? finish_task_switch.isra.0+0x153/0x700
[   12.880466]  mempool_kmalloc_large_oob_right+0xf2/0x150
[   12.880490]  ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10
[   12.880517]  ? __pfx_mempool_kmalloc+0x10/0x10
[   12.880538]  ? __pfx_mempool_kfree+0x10/0x10
[   12.880559]  ? __pfx_read_tsc+0x10/0x10
[   12.880581]  ? ktime_get_ts64+0x86/0x230
[   12.880606]  kunit_try_run_case+0x1a5/0x480
[   12.880690]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.880711]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.880739]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.880763]  ? __kthread_parkme+0x82/0x180
[   12.880783]  ? preempt_count_sub+0x50/0x80
[   12.880806]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.880827]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.880852]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.880875]  kthread+0x337/0x6f0
[   12.880907]  ? trace_preempt_on+0x20/0xc0
[   12.880931]  ? __pfx_kthread+0x10/0x10
[   12.880976]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.880999]  ? calculate_sigpending+0x7b/0xa0
[   12.881025]  ? __pfx_kthread+0x10/0x10
[   12.881051]  ret_from_fork+0x116/0x1d0
[   12.881069]  ? __pfx_kthread+0x10/0x10
[   12.881089]  ret_from_fork_asm+0x1a/0x30
[   12.881119]  </TASK>
[   12.881131] 
[   12.892732] The buggy address belongs to the physical page:
[   12.893301] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103b08
[   12.893604] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   12.894329] flags: 0x200000000000040(head|node=0|zone=2)
[   12.894575] page_type: f8(unknown)
[   12.894919] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   12.895358] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   12.895829] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   12.896253] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   12.896556] head: 0200000000000002 ffffea00040ec201 00000000ffffffff 00000000ffffffff
[   12.897225] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   12.897505] page dumped because: kasan: bad access detected
[   12.898064] 
[   12.898160] Memory state around the buggy address:
[   12.898533]  ffff888103b09f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   12.899124]  ffff888103b09f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   12.899439] >ffff888103b0a000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   12.899890]                    ^
[   12.900323]  ffff888103b0a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   12.900802]  ffff888103b0a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   12.901236] ==================================================================