Hay
Date
June 26, 2025, 11:12 a.m.

Environment
e850-96
qemu-arm64
qemu-x86_64

[   64.309905] ==================================================================
[   64.316772] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250
[   64.324058] Write of size 8 at addr ffff000801936378 by task kunit_try_catch/330
[   64.331436] 
[   64.332922] CPU: 2 UID: 0 PID: 330 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc3 #1 PREEMPT 
[   64.332973] Tainted: [B]=BAD_PAGE, [N]=TEST
[   64.332989] Hardware name: WinLink E850-96 board (DT)
[   64.333010] Call trace:
[   64.333025]  show_stack+0x20/0x38 (C)
[   64.333060]  dump_stack_lvl+0x8c/0xd0
[   64.333100]  print_report+0x118/0x608
[   64.333134]  kasan_report+0xdc/0x128
[   64.333166]  kasan_check_range+0x100/0x1a8
[   64.333202]  __kasan_check_write+0x20/0x30
[   64.333238]  copy_to_kernel_nofault+0x8c/0x250
[   64.333270]  copy_to_kernel_nofault_oob+0x1bc/0x418
[   64.333308]  kunit_try_run_case+0x170/0x3f0
[   64.333345]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   64.333387]  kthread+0x328/0x630
[   64.333422]  ret_from_fork+0x10/0x20
[   64.333458] 
[   64.404265] Allocated by task 330:
[   64.407653]  kasan_save_stack+0x3c/0x68
[   64.411469]  kasan_save_track+0x20/0x40
[   64.415289]  kasan_save_alloc_info+0x40/0x58
[   64.419542]  __kasan_kmalloc+0xd4/0xd8
[   64.423275]  __kmalloc_cache_noprof+0x16c/0x3c0
[   64.427789]  copy_to_kernel_nofault_oob+0xc8/0x418
[   64.432564]  kunit_try_run_case+0x170/0x3f0
[   64.436729]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   64.442198]  kthread+0x328/0x630
[   64.445410]  ret_from_fork+0x10/0x20
[   64.448969] 
[   64.450444] The buggy address belongs to the object at ffff000801936300
[   64.450444]  which belongs to the cache kmalloc-128 of size 128
[   64.462946] The buggy address is located 0 bytes to the right of
[   64.462946]  allocated 120-byte region [ffff000801936300, ffff000801936378)
[   64.475878] 
[   64.477358] The buggy address belongs to the physical page:
[   64.482915] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881936
[   64.490897] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   64.498536] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   64.505478] page_type: f5(slab)
[   64.508614] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   64.516336] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   64.524062] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   64.531874] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   64.539687] head: 0bfffe0000000001 fffffdffe0064d81 00000000ffffffff 00000000ffffffff
[   64.547499] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   64.555304] page dumped because: kasan: bad access detected
[   64.560860] 
[   64.562337] Memory state around the buggy address:
[   64.567116]  ffff000801936200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   64.574318]  ffff000801936280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   64.581523] >ffff000801936300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   64.588724]                                                                 ^
[   64.595845]  ffff000801936380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   64.603052]  ffff000801936400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   64.610251] ==================================================================
[   63.998053] ==================================================================
[   64.012174] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250
[   64.019550] Read of size 8 at addr ffff000801936378 by task kunit_try_catch/330
[   64.026840] 
[   64.028328] CPU: 2 UID: 0 PID: 330 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc3 #1 PREEMPT 
[   64.028383] Tainted: [B]=BAD_PAGE, [N]=TEST
[   64.028403] Hardware name: WinLink E850-96 board (DT)
[   64.028428] Call trace:
[   64.028443]  show_stack+0x20/0x38 (C)
[   64.028483]  dump_stack_lvl+0x8c/0xd0
[   64.028522]  print_report+0x118/0x608
[   64.028558]  kasan_report+0xdc/0x128
[   64.028590]  __asan_report_load8_noabort+0x20/0x30
[   64.028626]  copy_to_kernel_nofault+0x204/0x250
[   64.028658]  copy_to_kernel_nofault_oob+0x158/0x418
[   64.028702]  kunit_try_run_case+0x170/0x3f0
[   64.028741]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   64.028781]  kthread+0x328/0x630
[   64.028818]  ret_from_fork+0x10/0x20
[   64.028854] 
[   64.096371] Allocated by task 330:
[   64.099760]  kasan_save_stack+0x3c/0x68
[   64.103576]  kasan_save_track+0x20/0x40
[   64.107396]  kasan_save_alloc_info+0x40/0x58
[   64.111648]  __kasan_kmalloc+0xd4/0xd8
[   64.115380]  __kmalloc_cache_noprof+0x16c/0x3c0
[   64.119894]  copy_to_kernel_nofault_oob+0xc8/0x418
[   64.124670]  kunit_try_run_case+0x170/0x3f0
[   64.128835]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   64.134304]  kthread+0x328/0x630
[   64.137515]  ret_from_fork+0x10/0x20
[   64.141074] 
[   64.142551] The buggy address belongs to the object at ffff000801936300
[   64.142551]  which belongs to the cache kmalloc-128 of size 128
[   64.155052] The buggy address is located 0 bytes to the right of
[   64.155052]  allocated 120-byte region [ffff000801936300, ffff000801936378)
[   64.167983] 
[   64.169464] The buggy address belongs to the physical page:
[   64.175021] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881936
[   64.183003] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   64.190641] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   64.197585] page_type: f5(slab)
[   64.200723] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   64.208441] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   64.216168] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   64.223979] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   64.231792] head: 0bfffe0000000001 fffffdffe0064d81 00000000ffffffff 00000000ffffffff
[   64.239604] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   64.247409] page dumped because: kasan: bad access detected
[   64.252965] 
[   64.254442] Memory state around the buggy address:
[   64.259221]  ffff000801936200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   64.266424]  ffff000801936280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   64.273630] >ffff000801936300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   64.280829]                                                                 ^
[   64.287951]  ffff000801936380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   64.295157]  ffff000801936400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   64.302358] ==================================================================

[   20.978033] ==================================================================
[   20.978312] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250
[   20.978486] Read of size 8 at addr fff00000c791dd78 by task kunit_try_catch/283
[   20.978580] 
[   20.978620] CPU: 1 UID: 0 PID: 283 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc3 #1 PREEMPT 
[   20.978831] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.978978] Hardware name: linux,dummy-virt (DT)
[   20.979115] Call trace:
[   20.979171]  show_stack+0x20/0x38 (C)
[   20.979231]  dump_stack_lvl+0x8c/0xd0
[   20.979318]  print_report+0x118/0x608
[   20.979368]  kasan_report+0xdc/0x128
[   20.979414]  __asan_report_load8_noabort+0x20/0x30
[   20.979464]  copy_to_kernel_nofault+0x204/0x250
[   20.979514]  copy_to_kernel_nofault_oob+0x158/0x418
[   20.979576]  kunit_try_run_case+0x170/0x3f0
[   20.979631]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.979686]  kthread+0x328/0x630
[   20.979733]  ret_from_fork+0x10/0x20
[   20.979781] 
[   20.979808] Allocated by task 283:
[   20.979838]  kasan_save_stack+0x3c/0x68
[   20.980063]  kasan_save_track+0x20/0x40
[   20.980287]  kasan_save_alloc_info+0x40/0x58
[   20.980339]  __kasan_kmalloc+0xd4/0xd8
[   20.980379]  __kmalloc_cache_noprof+0x16c/0x3c0
[   20.980673]  copy_to_kernel_nofault_oob+0xc8/0x418
[   20.980913]  kunit_try_run_case+0x170/0x3f0
[   20.981097]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.981346]  kthread+0x328/0x630
[   20.981631]  ret_from_fork+0x10/0x20
[   20.981748] 
[   20.981772] The buggy address belongs to the object at fff00000c791dd00
[   20.981772]  which belongs to the cache kmalloc-128 of size 128
[   20.981911] The buggy address is located 0 bytes to the right of
[   20.981911]  allocated 120-byte region [fff00000c791dd00, fff00000c791dd78)
[   20.982257] 
[   20.982346] The buggy address belongs to the physical page:
[   20.982411] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10791d
[   20.982589] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   20.982747] page_type: f5(slab)
[   20.983028] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   20.983088] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   20.983351] page dumped because: kasan: bad access detected
[   20.983392] 
[   20.983532] Memory state around the buggy address:
[   20.983620]  fff00000c791dc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   20.983751]  fff00000c791dc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.983801] >fff00000c791dd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   20.984135]                                                                 ^
[   20.984202]  fff00000c791dd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.984304]  fff00000c791de00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.984402] ==================================================================
[   20.985700] ==================================================================
[   20.985997] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250
[   20.986412] Write of size 8 at addr fff00000c791dd78 by task kunit_try_catch/283
[   20.986481] 
[   20.986541] CPU: 1 UID: 0 PID: 283 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc3 #1 PREEMPT 
[   20.986628] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.986819] Hardware name: linux,dummy-virt (DT)
[   20.986964] Call trace:
[   20.987019]  show_stack+0x20/0x38 (C)
[   20.987074]  dump_stack_lvl+0x8c/0xd0
[   20.987366]  print_report+0x118/0x608
[   20.987478]  kasan_report+0xdc/0x128
[   20.987543]  kasan_check_range+0x100/0x1a8
[   20.987597]  __kasan_check_write+0x20/0x30
[   20.987653]  copy_to_kernel_nofault+0x8c/0x250
[   20.987712]  copy_to_kernel_nofault_oob+0x1bc/0x418
[   20.987768]  kunit_try_run_case+0x170/0x3f0
[   20.987821]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.988132]  kthread+0x328/0x630
[   20.988375]  ret_from_fork+0x10/0x20
[   20.989028] 
[   20.989130] Allocated by task 283:
[   20.989174]  kasan_save_stack+0x3c/0x68
[   20.989263]  kasan_save_track+0x20/0x40
[   20.989587]  kasan_save_alloc_info+0x40/0x58
[   20.989644]  __kasan_kmalloc+0xd4/0xd8
[   20.989849]  __kmalloc_cache_noprof+0x16c/0x3c0
[   20.989953]  copy_to_kernel_nofault_oob+0xc8/0x418
[   20.990095]  kunit_try_run_case+0x170/0x3f0
[   20.990593]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.990758]  kthread+0x328/0x630
[   20.990800]  ret_from_fork+0x10/0x20
[   20.990977] 
[   20.991169] The buggy address belongs to the object at fff00000c791dd00
[   20.991169]  which belongs to the cache kmalloc-128 of size 128
[   20.991273] The buggy address is located 0 bytes to the right of
[   20.991273]  allocated 120-byte region [fff00000c791dd00, fff00000c791dd78)
[   20.991613] 
[   20.991683] The buggy address belongs to the physical page:
[   20.991947] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10791d
[   20.992160] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   20.992227] page_type: f5(slab)
[   20.992549] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   20.992619] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   20.992840] page dumped because: kasan: bad access detected
[   20.992921] 
[   20.992944] Memory state around the buggy address:
[   20.992981]  fff00000c791dc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   20.993045]  fff00000c791dc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.993106] >fff00000c791dd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   20.993150]                                                                 ^
[   20.993205]  fff00000c791dd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.993262]  fff00000c791de00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.993305] ==================================================================

[   14.735741] ==================================================================
[   14.736339] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260
[   14.736608] Write of size 8 at addr ffff888102a14078 by task kunit_try_catch/300
[   14.737456] 
[   14.737725] CPU: 0 UID: 0 PID: 300 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc3 #1 PREEMPT(voluntary) 
[   14.737779] Tainted: [B]=BAD_PAGE, [N]=TEST
[   14.737792] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   14.737815] Call Trace:
[   14.737837]  <TASK>
[   14.737858]  dump_stack_lvl+0x73/0xb0
[   14.737886]  print_report+0xd1/0x650
[   14.737913]  ? __virt_addr_valid+0x1db/0x2d0
[   14.737947]  ? copy_to_kernel_nofault+0x99/0x260
[   14.737968]  ? kasan_complete_mode_report_info+0x2a/0x200
[   14.737992]  ? copy_to_kernel_nofault+0x99/0x260
[   14.738014]  kasan_report+0x141/0x180
[   14.738036]  ? copy_to_kernel_nofault+0x99/0x260
[   14.738062]  kasan_check_range+0x10c/0x1c0
[   14.738083]  __kasan_check_write+0x18/0x20
[   14.738104]  copy_to_kernel_nofault+0x99/0x260
[   14.738126]  copy_to_kernel_nofault_oob+0x288/0x560
[   14.738151]  ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10
[   14.738174]  ? finish_task_switch.isra.0+0x153/0x700
[   14.738199]  ? __schedule+0x10cc/0x2b60
[   14.738223]  ? trace_hardirqs_on+0x37/0xe0
[   14.738256]  ? __pfx_read_tsc+0x10/0x10
[   14.738276]  ? ktime_get_ts64+0x86/0x230
[   14.738302]  kunit_try_run_case+0x1a5/0x480
[   14.738329]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.738351]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   14.738377]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   14.738401]  ? __kthread_parkme+0x82/0x180
[   14.738424]  ? preempt_count_sub+0x50/0x80
[   14.738449]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.738474]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   14.738499]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   14.738523]  kthread+0x337/0x6f0
[   14.738541]  ? trace_preempt_on+0x20/0xc0
[   14.738616]  ? __pfx_kthread+0x10/0x10
[   14.738638]  ? _raw_spin_unlock_irq+0x47/0x80
[   14.738660]  ? calculate_sigpending+0x7b/0xa0
[   14.738683]  ? __pfx_kthread+0x10/0x10
[   14.738702]  ret_from_fork+0x41/0x80
[   14.738944]  ? __pfx_kthread+0x10/0x10
[   14.738968]  ret_from_fork_asm+0x1a/0x30
[   14.739000]  </TASK>
[   14.739013] 
[   14.754281] Allocated by task 300:
[   14.754450]  kasan_save_stack+0x45/0x70
[   14.754666]  kasan_save_track+0x18/0x40
[   14.755410]  kasan_save_alloc_info+0x3b/0x50
[   14.755960]  __kasan_kmalloc+0xb7/0xc0
[   14.756350]  __kmalloc_cache_noprof+0x189/0x420
[   14.756874]  copy_to_kernel_nofault_oob+0x12f/0x560
[   14.757298]  kunit_try_run_case+0x1a5/0x480
[   14.757451]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   14.757652]  kthread+0x337/0x6f0
[   14.758014]  ret_from_fork+0x41/0x80
[   14.758461]  ret_from_fork_asm+0x1a/0x30
[   14.758969] 
[   14.759094] The buggy address belongs to the object at ffff888102a14000
[   14.759094]  which belongs to the cache kmalloc-128 of size 128
[   14.760577] The buggy address is located 0 bytes to the right of
[   14.760577]  allocated 120-byte region [ffff888102a14000, ffff888102a14078)
[   14.761044] 
[   14.761206] The buggy address belongs to the physical page:
[   14.761754] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a14
[   14.762587] flags: 0x200000000000000(node=0|zone=2)
[   14.762976] page_type: f5(slab)
[   14.763172] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   14.763612] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   14.763841] page dumped because: kasan: bad access detected
[   14.764042] 
[   14.764112] Memory state around the buggy address:
[   14.764303]  ffff888102a13f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.765050]  ffff888102a13f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.765779] >ffff888102a14000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   14.766710]                                                                 ^
[   14.767174]  ffff888102a14080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.767594]  ffff888102a14100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.768364] ==================================================================
[   14.699282] ==================================================================
[   14.700171] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260
[   14.700436] Read of size 8 at addr ffff888102a14078 by task kunit_try_catch/300
[   14.701987] 
[   14.702209] CPU: 0 UID: 0 PID: 300 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc3 #1 PREEMPT(voluntary) 
[   14.702264] Tainted: [B]=BAD_PAGE, [N]=TEST
[   14.702279] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   14.702312] Call Trace:
[   14.702326]  <TASK>
[   14.702346]  dump_stack_lvl+0x73/0xb0
[   14.702378]  print_report+0xd1/0x650
[   14.702404]  ? __virt_addr_valid+0x1db/0x2d0
[   14.702427]  ? copy_to_kernel_nofault+0x225/0x260
[   14.702449]  ? kasan_complete_mode_report_info+0x2a/0x200
[   14.702473]  ? copy_to_kernel_nofault+0x225/0x260
[   14.702495]  kasan_report+0x141/0x180
[   14.702519]  ? copy_to_kernel_nofault+0x225/0x260
[   14.702546]  __asan_report_load8_noabort+0x18/0x20
[   14.702845]  copy_to_kernel_nofault+0x225/0x260
[   14.702871]  copy_to_kernel_nofault_oob+0x1ed/0x560
[   14.702898]  ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10
[   14.702937]  ? finish_task_switch.isra.0+0x153/0x700
[   14.702965]  ? __schedule+0x10cc/0x2b60
[   14.703080]  ? trace_hardirqs_on+0x37/0xe0
[   14.703114]  ? __pfx_read_tsc+0x10/0x10
[   14.703135]  ? ktime_get_ts64+0x86/0x230
[   14.703162]  kunit_try_run_case+0x1a5/0x480
[   14.703189]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.703212]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   14.703238]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   14.703263]  ? __kthread_parkme+0x82/0x180
[   14.703286]  ? preempt_count_sub+0x50/0x80
[   14.703312]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.703336]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   14.703360]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   14.703384]  kthread+0x337/0x6f0
[   14.703402]  ? trace_preempt_on+0x20/0xc0
[   14.703425]  ? __pfx_kthread+0x10/0x10
[   14.703444]  ? _raw_spin_unlock_irq+0x47/0x80
[   14.703466]  ? calculate_sigpending+0x7b/0xa0
[   14.703489]  ? __pfx_kthread+0x10/0x10
[   14.703508]  ret_from_fork+0x41/0x80
[   14.703529]  ? __pfx_kthread+0x10/0x10
[   14.703599]  ret_from_fork_asm+0x1a/0x30
[   14.703634]  </TASK>
[   14.703647] 
[   14.718392] Allocated by task 300:
[   14.718616]  kasan_save_stack+0x45/0x70
[   14.719189]  kasan_save_track+0x18/0x40
[   14.719993]  kasan_save_alloc_info+0x3b/0x50
[   14.720470]  __kasan_kmalloc+0xb7/0xc0
[   14.720998]  __kmalloc_cache_noprof+0x189/0x420
[   14.721476]  copy_to_kernel_nofault_oob+0x12f/0x560
[   14.722074]  kunit_try_run_case+0x1a5/0x480
[   14.722520]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   14.723123]  kthread+0x337/0x6f0
[   14.723538]  ret_from_fork+0x41/0x80
[   14.723836]  ret_from_fork_asm+0x1a/0x30
[   14.724020] 
[   14.724179] The buggy address belongs to the object at ffff888102a14000
[   14.724179]  which belongs to the cache kmalloc-128 of size 128
[   14.725513] The buggy address is located 0 bytes to the right of
[   14.725513]  allocated 120-byte region [ffff888102a14000, ffff888102a14078)
[   14.726415] 
[   14.726661] The buggy address belongs to the physical page:
[   14.727199] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a14
[   14.727462] flags: 0x200000000000000(node=0|zone=2)
[   14.727698] page_type: f5(slab)
[   14.728105] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   14.728894] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   14.729707] page dumped because: kasan: bad access detected
[   14.730324] 
[   14.730417] Memory state around the buggy address:
[   14.730578]  ffff888102a13f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.731083]  ffff888102a13f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.731871] >ffff888102a14000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   14.732601]                                                                 ^
[   14.733375]  ffff888102a14080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.733616]  ffff888102a14100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.734504] ==================================================================