Hay
Date
April 22, 2025, 11:09 a.m.

Environment
qemu-arm64
qemu-x86_64
rk3399-rock-pi-4b

[   21.681845] ==================================================================
[   21.681991] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0
[   21.682116] Write of size 121 at addr fff00000c42a5300 by task kunit_try_catch/287
[   21.682471] 
[   21.682575] CPU: 0 UID: 0 PID: 287 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   21.682772] Tainted: [B]=BAD_PAGE, [N]=TEST
[   21.682835] Hardware name: linux,dummy-virt (DT)
[   21.682911] Call trace:
[   21.682963]  show_stack+0x20/0x38 (C)
[   21.683075]  dump_stack_lvl+0x8c/0xd0
[   21.683178]  print_report+0x118/0x608
[   21.683558]  kasan_report+0xdc/0x128
[   21.683689]  kasan_check_range+0x100/0x1a8
[   21.683918]  __kasan_check_write+0x20/0x30
[   21.684145]  strncpy_from_user+0x3c/0x2a0
[   21.684345]  copy_user_test_oob+0x5c0/0xec8
[   21.684910]  kunit_try_run_case+0x170/0x3f0
[   21.685059]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   21.685199]  kthread+0x328/0x630
[   21.685305]  ret_from_fork+0x10/0x20
[   21.685786] 
[   21.685841] Allocated by task 287:
[   21.686435]  kasan_save_stack+0x3c/0x68
[   21.686840]  kasan_save_track+0x20/0x40
[   21.686929]  kasan_save_alloc_info+0x40/0x58
[   21.687081]  __kasan_kmalloc+0xd4/0xd8
[   21.687168]  __kmalloc_noprof+0x190/0x4d0
[   21.687249]  kunit_kmalloc_array+0x34/0x88
[   21.687334]  copy_user_test_oob+0xac/0xec8
[   21.687417]  kunit_try_run_case+0x170/0x3f0
[   21.687826]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   21.688291]  kthread+0x328/0x630
[   21.688394]  ret_from_fork+0x10/0x20
[   21.688790] 
[   21.689102] The buggy address belongs to the object at fff00000c42a5300
[   21.689102]  which belongs to the cache kmalloc-128 of size 128
[   21.689449] The buggy address is located 0 bytes inside of
[   21.689449]  allocated 120-byte region [fff00000c42a5300, fff00000c42a5378)
[   21.689763] 
[   21.689973] The buggy address belongs to the physical page:
[   21.690048] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1042a5
[   21.690604] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   21.690743] page_type: f5(slab)
[   21.690835] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   21.691456] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   21.691883] page dumped because: kasan: bad access detected
[   21.692096] 
[   21.692140] Memory state around the buggy address:
[   21.692445]  fff00000c42a5200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   21.692588]  fff00000c42a5280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.693197] >fff00000c42a5300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   21.693514]                                                                 ^
[   21.694049]  fff00000c42a5380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.694163]  fff00000c42a5400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.694650] ==================================================================
[   21.698297] ==================================================================
[   21.698437] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0
[   21.699358] Write of size 1 at addr fff00000c42a5378 by task kunit_try_catch/287
[   21.699994] 
[   21.700524] CPU: 0 UID: 0 PID: 287 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   21.700752] Tainted: [B]=BAD_PAGE, [N]=TEST
[   21.700885] Hardware name: linux,dummy-virt (DT)
[   21.700956] Call trace:
[   21.701249]  show_stack+0x20/0x38 (C)
[   21.701857]  dump_stack_lvl+0x8c/0xd0
[   21.702064]  print_report+0x118/0x608
[   21.702173]  kasan_report+0xdc/0x128
[   21.702462]  __asan_report_store1_noabort+0x20/0x30
[   21.702818]  strncpy_from_user+0x270/0x2a0
[   21.703199]  copy_user_test_oob+0x5c0/0xec8
[   21.703387]  kunit_try_run_case+0x170/0x3f0
[   21.703715]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   21.703865]  kthread+0x328/0x630
[   21.703975]  ret_from_fork+0x10/0x20
[   21.704375] 
[   21.704775] Allocated by task 287:
[   21.704905]  kasan_save_stack+0x3c/0x68
[   21.705310]  kasan_save_track+0x20/0x40
[   21.705563]  kasan_save_alloc_info+0x40/0x58
[   21.705870]  __kasan_kmalloc+0xd4/0xd8
[   21.706177]  __kmalloc_noprof+0x190/0x4d0
[   21.706440]  kunit_kmalloc_array+0x34/0x88
[   21.706575]  copy_user_test_oob+0xac/0xec8
[   21.707187]  kunit_try_run_case+0x170/0x3f0
[   21.707401]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   21.707511]  kthread+0x328/0x630
[   21.707992]  ret_from_fork+0x10/0x20
[   21.708367] 
[   21.708473] The buggy address belongs to the object at fff00000c42a5300
[   21.708473]  which belongs to the cache kmalloc-128 of size 128
[   21.708803] The buggy address is located 0 bytes to the right of
[   21.708803]  allocated 120-byte region [fff00000c42a5300, fff00000c42a5378)
[   21.709201] 
[   21.709411] The buggy address belongs to the physical page:
[   21.709729] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1042a5
[   21.709871] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   21.709990] page_type: f5(slab)
[   21.711703] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   21.711853] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   21.711966] page dumped because: kasan: bad access detected
[   21.712049] 
[   21.712100] Memory state around the buggy address:
[   21.712356]  fff00000c42a5200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   21.712474]  fff00000c42a5280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.712596] >fff00000c42a5300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   21.712819]                                                                 ^
[   21.712924]  fff00000c42a5380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.713031]  fff00000c42a5400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.713230] ==================================================================

[   25.665284] ==================================================================
[   25.666133] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x1a5/0x1d0
[   25.666869] Write of size 1 at addr ffff888103c6f378 by task kunit_try_catch/305
[   25.667813] 
[   25.668120] CPU: 0 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   25.668252] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.668290] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.668341] Call Trace:
[   25.668384]  <TASK>
[   25.668495]  dump_stack_lvl+0x73/0xb0
[   25.668585]  print_report+0xd1/0x650
[   25.668669]  ? __virt_addr_valid+0x1db/0x2d0
[   25.668741]  ? strncpy_from_user+0x1a5/0x1d0
[   25.668817]  ? kasan_complete_mode_report_info+0x2a/0x200
[   25.668898]  ? strncpy_from_user+0x1a5/0x1d0
[   25.668980]  kasan_report+0x141/0x180
[   25.669065]  ? strncpy_from_user+0x1a5/0x1d0
[   25.669165]  __asan_report_store1_noabort+0x1b/0x30
[   25.669245]  strncpy_from_user+0x1a5/0x1d0
[   25.669331]  copy_user_test_oob+0x760/0x10f0
[   25.669455]  ? __pfx_copy_user_test_oob+0x10/0x10
[   25.669554]  ? finish_task_switch.isra.0+0x153/0x700
[   25.669647]  ? __switch_to+0x5d9/0xf60
[   25.669723]  ? dequeue_task_fair+0x166/0x4e0
[   25.669814]  ? __schedule+0x10cc/0x2b30
[   25.669902]  ? __pfx_read_tsc+0x10/0x10
[   25.669981]  ? ktime_get_ts64+0x86/0x230
[   25.670071]  kunit_try_run_case+0x1a5/0x480
[   25.670153]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.670230]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   25.670308]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   25.670389]  ? __kthread_parkme+0x82/0x180
[   25.670529]  ? preempt_count_sub+0x50/0x80
[   25.670612]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.670692]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.670768]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   25.670822]  kthread+0x337/0x6f0
[   25.670855]  ? trace_preempt_on+0x20/0xc0
[   25.670890]  ? __pfx_kthread+0x10/0x10
[   25.670927]  ? _raw_spin_unlock_irq+0x47/0x80
[   25.670961]  ? calculate_sigpending+0x7b/0xa0
[   25.670993]  ? __pfx_kthread+0x10/0x10
[   25.671027]  ret_from_fork+0x41/0x80
[   25.671057]  ? __pfx_kthread+0x10/0x10
[   25.671089]  ret_from_fork_asm+0x1a/0x30
[   25.671134]  </TASK>
[   25.671150] 
[   25.685524] Allocated by task 305:
[   25.685882]  kasan_save_stack+0x45/0x70
[   25.686250]  kasan_save_track+0x18/0x40
[   25.686691]  kasan_save_alloc_info+0x3b/0x50
[   25.687028]  __kasan_kmalloc+0xb7/0xc0
[   25.687342]  __kmalloc_noprof+0x1c9/0x500
[   25.687854]  kunit_kmalloc_array+0x25/0x60
[   25.688313]  copy_user_test_oob+0xab/0x10f0
[   25.688860]  kunit_try_run_case+0x1a5/0x480
[   25.689327]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.689859]  kthread+0x337/0x6f0
[   25.690211]  ret_from_fork+0x41/0x80
[   25.690676]  ret_from_fork_asm+0x1a/0x30
[   25.691111] 
[   25.691338] The buggy address belongs to the object at ffff888103c6f300
[   25.691338]  which belongs to the cache kmalloc-128 of size 128
[   25.692172] The buggy address is located 0 bytes to the right of
[   25.692172]  allocated 120-byte region [ffff888103c6f300, ffff888103c6f378)
[   25.693210] 
[   25.693492] The buggy address belongs to the physical page:
[   25.694049] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103c6f
[   25.694639] flags: 0x200000000000000(node=0|zone=2)
[   25.695007] page_type: f5(slab)
[   25.695384] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   25.696079] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   25.696781] page dumped because: kasan: bad access detected
[   25.697300] 
[   25.697595] Memory state around the buggy address:
[   25.698016]  ffff888103c6f200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   25.698666]  ffff888103c6f280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.699152] >ffff888103c6f300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   25.699663]                                                                 ^
[   25.700104]  ffff888103c6f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.700705]  ffff888103c6f400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.701369] ==================================================================
[   25.626181] ==================================================================
[   25.626740] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x2e/0x1d0
[   25.627332] Write of size 121 at addr ffff888103c6f300 by task kunit_try_catch/305
[   25.628060] 
[   25.628255] CPU: 0 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   25.628324] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.628344] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.628377] Call Trace:
[   25.628405]  <TASK>
[   25.628527]  dump_stack_lvl+0x73/0xb0
[   25.628613]  print_report+0xd1/0x650
[   25.628699]  ? __virt_addr_valid+0x1db/0x2d0
[   25.628778]  ? strncpy_from_user+0x2e/0x1d0
[   25.628856]  ? kasan_complete_mode_report_info+0x2a/0x200
[   25.628936]  ? strncpy_from_user+0x2e/0x1d0
[   25.629016]  kasan_report+0x141/0x180
[   25.629147]  ? strncpy_from_user+0x2e/0x1d0
[   25.629331]  kasan_check_range+0x10c/0x1c0
[   25.629418]  __kasan_check_write+0x18/0x20
[   25.629513]  strncpy_from_user+0x2e/0x1d0
[   25.629602]  ? __kasan_check_read+0x15/0x20
[   25.629704]  copy_user_test_oob+0x760/0x10f0
[   25.629748]  ? __pfx_copy_user_test_oob+0x10/0x10
[   25.629780]  ? finish_task_switch.isra.0+0x153/0x700
[   25.629817]  ? __switch_to+0x5d9/0xf60
[   25.629850]  ? dequeue_task_fair+0x166/0x4e0
[   25.629891]  ? __schedule+0x10cc/0x2b30
[   25.629926]  ? __pfx_read_tsc+0x10/0x10
[   25.629958]  ? ktime_get_ts64+0x86/0x230
[   25.629997]  kunit_try_run_case+0x1a5/0x480
[   25.630033]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.630067]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   25.630103]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   25.630142]  ? __kthread_parkme+0x82/0x180
[   25.630176]  ? preempt_count_sub+0x50/0x80
[   25.630215]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.630251]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.630286]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   25.630320]  kthread+0x337/0x6f0
[   25.630352]  ? trace_preempt_on+0x20/0xc0
[   25.630389]  ? __pfx_kthread+0x10/0x10
[   25.630465]  ? _raw_spin_unlock_irq+0x47/0x80
[   25.630527]  ? calculate_sigpending+0x7b/0xa0
[   25.630562]  ? __pfx_kthread+0x10/0x10
[   25.630596]  ret_from_fork+0x41/0x80
[   25.630630]  ? __pfx_kthread+0x10/0x10
[   25.630663]  ret_from_fork_asm+0x1a/0x30
[   25.630709]  </TASK>
[   25.630725] 
[   25.647115] Allocated by task 305:
[   25.647546]  kasan_save_stack+0x45/0x70
[   25.647939]  kasan_save_track+0x18/0x40
[   25.648363]  kasan_save_alloc_info+0x3b/0x50
[   25.648833]  __kasan_kmalloc+0xb7/0xc0
[   25.649211]  __kmalloc_noprof+0x1c9/0x500
[   25.649688]  kunit_kmalloc_array+0x25/0x60
[   25.650094]  copy_user_test_oob+0xab/0x10f0
[   25.650593]  kunit_try_run_case+0x1a5/0x480
[   25.650966]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.651354]  kthread+0x337/0x6f0
[   25.651774]  ret_from_fork+0x41/0x80
[   25.652184]  ret_from_fork_asm+0x1a/0x30
[   25.652673] 
[   25.652915] The buggy address belongs to the object at ffff888103c6f300
[   25.652915]  which belongs to the cache kmalloc-128 of size 128
[   25.653848] The buggy address is located 0 bytes inside of
[   25.653848]  allocated 120-byte region [ffff888103c6f300, ffff888103c6f378)
[   25.654732] 
[   25.654976] The buggy address belongs to the physical page:
[   25.655536] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103c6f
[   25.656246] flags: 0x200000000000000(node=0|zone=2)
[   25.656802] page_type: f5(slab)
[   25.657149] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   25.657765] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   25.658312] page dumped because: kasan: bad access detected
[   25.658868] 
[   25.659099] Memory state around the buggy address:
[   25.659614]  ffff888103c6f200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   25.660117]  ffff888103c6f280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.660789] >ffff888103c6f300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   25.661449]                                                                 ^
[   25.661955]  ffff888103c6f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.662449]  ffff888103c6f400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.662947] ==================================================================

[   24.206382] ==================================================================
[   24.207037] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x3c/0x2a0
[   24.207663] Write of size 121 at addr ffff00000c98ed00 by task kunit_try_catch/343
[   24.208348] 
[   24.208498] CPU: 4 UID: 0 PID: 343 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   24.208529] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.208539] Hardware name: Radxa ROCK Pi 4B (DT)
[   24.208550] Call trace:
[   24.208557]  show_stack+0x20/0x38 (C)
[   24.208578]  dump_stack_lvl+0x8c/0xd0
[   24.208596]  print_report+0x118/0x608
[   24.208615]  kasan_report+0xdc/0x128
[   24.208633]  kasan_check_range+0x100/0x1a8
[   24.208654]  __kasan_check_write+0x20/0x30
[   24.208675]  strncpy_from_user+0x3c/0x2a0
[   24.208693]  copy_user_test_oob+0x5c0/0xec8
[   24.208711]  kunit_try_run_case+0x170/0x3f0
[   24.208733]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.208760]  kthread+0x328/0x630
[   24.208782]  ret_from_fork+0x10/0x20
[   24.208802] 
[   24.214984] Allocated by task 343:
[   24.215300]  kasan_save_stack+0x3c/0x68
[   24.215659]  kasan_save_track+0x20/0x40
[   24.216016]  kasan_save_alloc_info+0x40/0x58
[   24.216415]  __kasan_kmalloc+0xd4/0xd8
[   24.216766]  __kmalloc_noprof+0x190/0x4d0
[   24.217140]  kunit_kmalloc_array+0x34/0x88
[   24.217525]  copy_user_test_oob+0xac/0xec8
[   24.217905]  kunit_try_run_case+0x170/0x3f0
[   24.218297]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.218805]  kthread+0x328/0x630
[   24.219114]  ret_from_fork+0x10/0x20
[   24.219451] 
[   24.219598] The buggy address belongs to the object at ffff00000c98ed00
[   24.219598]  which belongs to the cache kmalloc-128 of size 128
[   24.220714] The buggy address is located 0 bytes inside of
[   24.220714]  allocated 120-byte region [ffff00000c98ed00, ffff00000c98ed78)
[   24.221824] 
[   24.221971] The buggy address belongs to the physical page:
[   24.222475] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xc98e
[   24.223182] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff)
[   24.223776] page_type: f5(slab)
[   24.224075] raw: 03fffe0000000000 ffff000000402a00 dead000000000122 0000000000000000
[   24.224776] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   24.225472] page dumped because: kasan: bad access detected
[   24.225975] 
[   24.226122] Memory state around the buggy address:
[   24.226559]  ffff00000c98ec00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.227211]  ffff00000c98ec80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.227863] >ffff00000c98ed00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   24.228512]                                                                 ^
[   24.229157]  ffff00000c98ed80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.229810]  ffff00000c98ee00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.230460] ==================================================================
[   24.231238] ==================================================================
[   24.231893] BUG: KASAN: slab-out-of-bounds in strncpy_from_user+0x270/0x2a0
[   24.232524] Write of size 1 at addr ffff00000c98ed78 by task kunit_try_catch/343
[   24.233194] 
[   24.233343] CPU: 4 UID: 0 PID: 343 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   24.233376] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.233386] Hardware name: Radxa ROCK Pi 4B (DT)
[   24.233396] Call trace:
[   24.233404]  show_stack+0x20/0x38 (C)
[   24.233424]  dump_stack_lvl+0x8c/0xd0
[   24.233443]  print_report+0x118/0x608
[   24.233462]  kasan_report+0xdc/0x128
[   24.233480]  __asan_report_store1_noabort+0x20/0x30
[   24.233503]  strncpy_from_user+0x270/0x2a0
[   24.233521]  copy_user_test_oob+0x5c0/0xec8
[   24.233539]  kunit_try_run_case+0x170/0x3f0
[   24.233562]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.233588]  kthread+0x328/0x630
[   24.233610]  ret_from_fork+0x10/0x20
[   24.233631] 
[   24.239527] Allocated by task 343:
[   24.239843]  kasan_save_stack+0x3c/0x68
[   24.240203]  kasan_save_track+0x20/0x40
[   24.240561]  kasan_save_alloc_info+0x40/0x58
[   24.240961]  __kasan_kmalloc+0xd4/0xd8
[   24.241311]  __kmalloc_noprof+0x190/0x4d0
[   24.241685]  kunit_kmalloc_array+0x34/0x88
[   24.242069]  copy_user_test_oob+0xac/0xec8
[   24.242449]  kunit_try_run_case+0x170/0x3f0
[   24.242840]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.243349]  kthread+0x328/0x630
[   24.243659]  ret_from_fork+0x10/0x20
[   24.243996] 
[   24.244143] The buggy address belongs to the object at ffff00000c98ed00
[   24.244143]  which belongs to the cache kmalloc-128 of size 128
[   24.245259] The buggy address is located 0 bytes to the right of
[   24.245259]  allocated 120-byte region [ffff00000c98ed00, ffff00000c98ed78)
[   24.246415] 
[   24.246561] The buggy address belongs to the physical page:
[   24.247065] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xc98e
[   24.247772] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff)
[   24.248367] page_type: f5(slab)
[   24.248665] raw: 03fffe0000000000 ffff000000402a00 dead000000000122 0000000000000000
[   24.249366] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   24.250060] page dumped because: kasan: bad access detected
[   24.250565] 
[   24.250710] Memory state around the buggy address:
[   24.251147]  ffff00000c98ec00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.251799]  ffff00000c98ec80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.252451] >ffff00000c98ed00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   24.253101]                                                                 ^
[   24.253744]  ffff00000c98ed80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.254397]  ffff00000c98ee00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.255047] ==================================================================