Hay
Date
June 2, 2025, 2:10 p.m.

Environment
qemu-arm64
qemu-x86_64

[   20.398381] ==================================================================
[   20.399093] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x630/0x720
[   20.400492] Read of size 1 at addr fff00000c6492c73 by task kunit_try_catch/181
[   20.401393] 
[   20.401785] CPU: 1 UID: 0 PID: 181 Comm: kunit_try_catch Tainted: G    B            N 6.12.32-rc1 #1
[   20.402080] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.402165] Hardware name: linux,dummy-virt (DT)
[   20.402281] Call trace:
[   20.402339]  dump_backtrace+0x9c/0x128
[   20.402409]  show_stack+0x20/0x38
[   20.402454]  dump_stack_lvl+0x8c/0xd0
[   20.402503]  print_report+0x118/0x5f0
[   20.402546]  kasan_report+0xdc/0x128
[   20.402588]  __asan_report_load1_noabort+0x20/0x30
[   20.402636]  ksize_unpoisons_memory+0x630/0x720
[   20.402683]  kunit_try_run_case+0x170/0x3f0
[   20.402730]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.402780]  kthread+0x24c/0x2d0
[   20.402823]  ret_from_fork+0x10/0x20
[   20.402870] 
[   20.408893] Allocated by task 181:
[   20.409369]  kasan_save_stack+0x3c/0x68
[   20.409916]  kasan_save_track+0x20/0x40
[   20.410440]  kasan_save_alloc_info+0x40/0x58
[   20.410921]  __kasan_kmalloc+0xd4/0xd8
[   20.411652]  __kmalloc_cache_noprof+0x154/0x320
[   20.412114]  ksize_unpoisons_memory+0xc0/0x720
[   20.412654]  kunit_try_run_case+0x170/0x3f0
[   20.413194]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.413751]  kthread+0x24c/0x2d0
[   20.414160]  ret_from_fork+0x10/0x20
[   20.414585] 
[   20.414888] The buggy address belongs to the object at fff00000c6492c00
[   20.414888]  which belongs to the cache kmalloc-128 of size 128
[   20.416616] The buggy address is located 0 bytes to the right of
[   20.416616]  allocated 115-byte region [fff00000c6492c00, fff00000c6492c73)
[   20.417700] 
[   20.417984] The buggy address belongs to the physical page:
[   20.418591] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106492
[   20.419165] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   20.419957] page_type: f5(slab)
[   20.420334] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   20.420925] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   20.421782] page dumped because: kasan: bad access detected
[   20.422432] 
[   20.422760] Memory state around the buggy address:
[   20.423798]  fff00000c6492b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
[   20.424398]  fff00000c6492b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.425141] >fff00000c6492c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   20.425858]                                                              ^
[   20.426424]  fff00000c6492c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.427457]  fff00000c6492d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.427912] ==================================================================
[   20.456677] ==================================================================
[   20.457378] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x690/0x720
[   20.457988] Read of size 1 at addr fff00000c6492c7f by task kunit_try_catch/181
[   20.458720] 
[   20.459611] CPU: 1 UID: 0 PID: 181 Comm: kunit_try_catch Tainted: G    B            N 6.12.32-rc1 #1
[   20.459860] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.459936] Hardware name: linux,dummy-virt (DT)
[   20.460022] Call trace:
[   20.460084]  dump_backtrace+0x9c/0x128
[   20.460211]  show_stack+0x20/0x38
[   20.460299]  dump_stack_lvl+0x8c/0xd0
[   20.460348]  print_report+0x118/0x5f0
[   20.460393]  kasan_report+0xdc/0x128
[   20.460433]  __asan_report_load1_noabort+0x20/0x30
[   20.460478]  ksize_unpoisons_memory+0x690/0x720
[   20.460527]  kunit_try_run_case+0x170/0x3f0
[   20.460574]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.460622]  kthread+0x24c/0x2d0
[   20.460665]  ret_from_fork+0x10/0x20
[   20.460713] 
[   20.465649] Allocated by task 181:
[   20.466200]  kasan_save_stack+0x3c/0x68
[   20.466720]  kasan_save_track+0x20/0x40
[   20.467326]  kasan_save_alloc_info+0x40/0x58
[   20.467760]  __kasan_kmalloc+0xd4/0xd8
[   20.468192]  __kmalloc_cache_noprof+0x154/0x320
[   20.468620]  ksize_unpoisons_memory+0xc0/0x720
[   20.469015]  kunit_try_run_case+0x170/0x3f0
[   20.469708]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.470253]  kthread+0x24c/0x2d0
[   20.470574]  ret_from_fork+0x10/0x20
[   20.471088] 
[   20.471719] The buggy address belongs to the object at fff00000c6492c00
[   20.471719]  which belongs to the cache kmalloc-128 of size 128
[   20.472902] The buggy address is located 12 bytes to the right of
[   20.472902]  allocated 115-byte region [fff00000c6492c00, fff00000c6492c73)
[   20.473962] 
[   20.474324] The buggy address belongs to the physical page:
[   20.474801] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106492
[   20.475793] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   20.476561] page_type: f5(slab)
[   20.477118] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   20.477933] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   20.478663] page dumped because: kasan: bad access detected
[   20.480222] 
[   20.480578] Memory state around the buggy address:
[   20.481082]  fff00000c6492b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   20.481717]  fff00000c6492b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.482276] >fff00000c6492c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   20.482805]                                                                 ^
[   20.483646]  fff00000c6492c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.484370]  fff00000c6492d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.485003] ==================================================================
[   20.429962] ==================================================================
[   20.430460] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x628/0x720
[   20.430968] Read of size 1 at addr fff00000c6492c78 by task kunit_try_catch/181
[   20.432057] 
[   20.432387] CPU: 1 UID: 0 PID: 181 Comm: kunit_try_catch Tainted: G    B            N 6.12.32-rc1 #1
[   20.432603] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.432666] Hardware name: linux,dummy-virt (DT)
[   20.432751] Call trace:
[   20.432803]  dump_backtrace+0x9c/0x128
[   20.432922]  show_stack+0x20/0x38
[   20.433019]  dump_stack_lvl+0x8c/0xd0
[   20.433149]  print_report+0x118/0x5f0
[   20.433253]  kasan_report+0xdc/0x128
[   20.433352]  __asan_report_load1_noabort+0x20/0x30
[   20.433470]  ksize_unpoisons_memory+0x628/0x720
[   20.433595]  kunit_try_run_case+0x170/0x3f0
[   20.433704]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.433795]  kthread+0x24c/0x2d0
[   20.433845]  ret_from_fork+0x10/0x20
[   20.433896] 
[   20.438115] Allocated by task 181:
[   20.438390]  kasan_save_stack+0x3c/0x68
[   20.438758]  kasan_save_track+0x20/0x40
[   20.439097]  kasan_save_alloc_info+0x40/0x58
[   20.439644]  __kasan_kmalloc+0xd4/0xd8
[   20.440870]  __kmalloc_cache_noprof+0x154/0x320
[   20.441485]  ksize_unpoisons_memory+0xc0/0x720
[   20.441853]  kunit_try_run_case+0x170/0x3f0
[   20.442188]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.442658]  kthread+0x24c/0x2d0
[   20.443098]  ret_from_fork+0x10/0x20
[   20.443530] 
[   20.443800] The buggy address belongs to the object at fff00000c6492c00
[   20.443800]  which belongs to the cache kmalloc-128 of size 128
[   20.444569] The buggy address is located 5 bytes to the right of
[   20.444569]  allocated 115-byte region [fff00000c6492c00, fff00000c6492c73)
[   20.445942] 
[   20.446301] The buggy address belongs to the physical page:
[   20.446906] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106492
[   20.447767] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   20.448460] page_type: f5(slab)
[   20.448842] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   20.449679] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   20.450383] page dumped because: kasan: bad access detected
[   20.451021] 
[   20.451571] Memory state around the buggy address:
[   20.451893]  fff00000c6492b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   20.452268]  fff00000c6492b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.452631] >fff00000c6492c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   20.453691]                                                                 ^
[   20.454464]  fff00000c6492c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.455306]  fff00000c6492d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.455720] ==================================================================

[   12.514874] ==================================================================
[   12.515650] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7b8/0x9b0
[   12.516129] Read of size 1 at addr ffff88810261cc7f by task kunit_try_catch/199
[   12.516377] 
[   12.516498] CPU: 0 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G    B            N 6.12.32-rc1 #1
[   12.516574] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.516597] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.516634] Call Trace:
[   12.516882]  <TASK>
[   12.516929]  dump_stack_lvl+0x73/0xb0
[   12.516990]  print_report+0xd1/0x640
[   12.517036]  ? __virt_addr_valid+0x1db/0x2d0
[   12.517179]  ? ksize_unpoisons_memory+0x7b8/0x9b0
[   12.517220]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.517254]  ? ksize_unpoisons_memory+0x7b8/0x9b0
[   12.517287]  kasan_report+0x140/0x180
[   12.517314]  ? ksize_unpoisons_memory+0x7b8/0x9b0
[   12.517337]  __asan_report_load1_noabort+0x18/0x20
[   12.517356]  ksize_unpoisons_memory+0x7b8/0x9b0
[   12.517376]  ? __pfx_ksize_unpoisons_memory+0x10/0x10
[   12.517394]  ? finish_task_switch.isra.0+0x153/0x700
[   12.517415]  ? __switch_to+0x5d9/0xf60
[   12.517438]  ? __schedule+0xc49/0x27a0
[   12.517457]  ? __pfx_read_tsc+0x10/0x10
[   12.517475]  ? ktime_get_ts64+0x84/0x230
[   12.517499]  kunit_try_run_case+0x1a6/0x480
[   12.517519]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.517537]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   12.517556]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.517580]  ? __kthread_parkme+0x82/0x160
[   12.517599]  ? preempt_count_sub+0x50/0x80
[   12.517619]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.517637]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.517673]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.517699]  kthread+0x257/0x310
[   12.517716]  ? __pfx_kthread+0x10/0x10
[   12.517734]  ret_from_fork+0x41/0x80
[   12.517753]  ? __pfx_kthread+0x10/0x10
[   12.517770]  ret_from_fork_asm+0x1a/0x30
[   12.517798]  </TASK>
[   12.517810] 
[   12.528002] Allocated by task 199:
[   12.528387]  kasan_save_stack+0x45/0x70
[   12.528582]  kasan_save_track+0x18/0x40
[   12.528755]  kasan_save_alloc_info+0x3b/0x50
[   12.529207]  __kasan_kmalloc+0xb7/0xc0
[   12.529523]  __kmalloc_cache_noprof+0x168/0x350
[   12.529868]  ksize_unpoisons_memory+0xc8/0x9b0
[   12.530624]  kunit_try_run_case+0x1a6/0x480
[   12.530996]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.531255]  kthread+0x257/0x310
[   12.531525]  ret_from_fork+0x41/0x80
[   12.531745]  ret_from_fork_asm+0x1a/0x30
[   12.532032] 
[   12.532150] The buggy address belongs to the object at ffff88810261cc00
[   12.532150]  which belongs to the cache kmalloc-128 of size 128
[   12.532903] The buggy address is located 12 bytes to the right of
[   12.532903]  allocated 115-byte region [ffff88810261cc00, ffff88810261cc73)
[   12.533530] 
[   12.533708] The buggy address belongs to the physical page:
[   12.534231] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10261c
[   12.534670] flags: 0x200000000000000(node=0|zone=2)
[   12.535033] page_type: f5(slab)
[   12.535322] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.535848] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   12.536733] page dumped because: kasan: bad access detected
[   12.537256] 
[   12.537413] Memory state around the buggy address:
[   12.537738]  ffff88810261cb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.538323]  ffff88810261cb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.538644] >ffff88810261cc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   12.539179]                                                                 ^
[   12.539602]  ffff88810261cc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.539951]  ffff88810261cd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.540517] ==================================================================
[   12.464493] ==================================================================
[   12.464966] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x81e/0x9b0
[   12.465706] Read of size 1 at addr ffff88810261cc73 by task kunit_try_catch/199
[   12.466353] 
[   12.466549] CPU: 0 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G    B            N 6.12.32-rc1 #1
[   12.466633] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.466668] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.466706] Call Trace:
[   12.466732]  <TASK>
[   12.466763]  dump_stack_lvl+0x73/0xb0
[   12.466812]  print_report+0xd1/0x640
[   12.466846]  ? __virt_addr_valid+0x1db/0x2d0
[   12.466884]  ? ksize_unpoisons_memory+0x81e/0x9b0
[   12.466918]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.466961]  ? ksize_unpoisons_memory+0x81e/0x9b0
[   12.466999]  kasan_report+0x140/0x180
[   12.467044]  ? ksize_unpoisons_memory+0x81e/0x9b0
[   12.467141]  __asan_report_load1_noabort+0x18/0x20
[   12.467174]  ksize_unpoisons_memory+0x81e/0x9b0
[   12.467206]  ? __pfx_ksize_unpoisons_memory+0x10/0x10
[   12.467235]  ? finish_task_switch.isra.0+0x153/0x700
[   12.467271]  ? __switch_to+0x5d9/0xf60
[   12.467300]  ? __schedule+0xc49/0x27a0
[   12.467320]  ? __pfx_read_tsc+0x10/0x10
[   12.467338]  ? ktime_get_ts64+0x84/0x230
[   12.467363]  kunit_try_run_case+0x1a6/0x480
[   12.467384]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.467402]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   12.467421]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.467444]  ? __kthread_parkme+0x82/0x160
[   12.467462]  ? preempt_count_sub+0x50/0x80
[   12.467482]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.467500]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.467523]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.467546]  kthread+0x257/0x310
[   12.467563]  ? __pfx_kthread+0x10/0x10
[   12.467581]  ret_from_fork+0x41/0x80
[   12.467599]  ? __pfx_kthread+0x10/0x10
[   12.467616]  ret_from_fork_asm+0x1a/0x30
[   12.467645]  </TASK>
[   12.467672] 
[   12.475579] Allocated by task 199:
[   12.475873]  kasan_save_stack+0x45/0x70
[   12.476185]  kasan_save_track+0x18/0x40
[   12.476468]  kasan_save_alloc_info+0x3b/0x50
[   12.476795]  __kasan_kmalloc+0xb7/0xc0
[   12.477063]  __kmalloc_cache_noprof+0x168/0x350
[   12.477325]  ksize_unpoisons_memory+0xc8/0x9b0
[   12.477493]  kunit_try_run_case+0x1a6/0x480
[   12.478012]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.478383]  kthread+0x257/0x310
[   12.478541]  ret_from_fork+0x41/0x80
[   12.478825]  ret_from_fork_asm+0x1a/0x30
[   12.479228] 
[   12.479364] The buggy address belongs to the object at ffff88810261cc00
[   12.479364]  which belongs to the cache kmalloc-128 of size 128
[   12.479853] The buggy address is located 0 bytes to the right of
[   12.479853]  allocated 115-byte region [ffff88810261cc00, ffff88810261cc73)
[   12.480346] 
[   12.480452] The buggy address belongs to the physical page:
[   12.480802] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10261c
[   12.481418] flags: 0x200000000000000(node=0|zone=2)
[   12.481779] page_type: f5(slab)
[   12.482056] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.482731] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   12.483341] page dumped because: kasan: bad access detected
[   12.483614] 
[   12.483772] Memory state around the buggy address:
[   12.484023]  ffff88810261cb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
[   12.484386]  ffff88810261cb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.484835] >ffff88810261cc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   12.485390]                                                              ^
[   12.485773]  ffff88810261cc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.486284]  ffff88810261cd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.486624] ==================================================================
[   12.488517] ==================================================================
[   12.488993] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7eb/0x9b0
[   12.489614] Read of size 1 at addr ffff88810261cc78 by task kunit_try_catch/199
[   12.489870] 
[   12.490006] CPU: 0 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G    B            N 6.12.32-rc1 #1
[   12.490096] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.490120] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.490156] Call Trace:
[   12.490182]  <TASK>
[   12.490208]  dump_stack_lvl+0x73/0xb0
[   12.490758]  print_report+0xd1/0x640
[   12.490788]  ? __virt_addr_valid+0x1db/0x2d0
[   12.490812]  ? ksize_unpoisons_memory+0x7eb/0x9b0
[   12.490832]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.490854]  ? ksize_unpoisons_memory+0x7eb/0x9b0
[   12.490874]  kasan_report+0x140/0x180
[   12.490896]  ? ksize_unpoisons_memory+0x7eb/0x9b0
[   12.490920]  __asan_report_load1_noabort+0x18/0x20
[   12.490940]  ksize_unpoisons_memory+0x7eb/0x9b0
[   12.490959]  ? __pfx_ksize_unpoisons_memory+0x10/0x10
[   12.490978]  ? finish_task_switch.isra.0+0x153/0x700
[   12.490998]  ? __switch_to+0x5d9/0xf60
[   12.491021]  ? __schedule+0xc49/0x27a0
[   12.491040]  ? __pfx_read_tsc+0x10/0x10
[   12.491058]  ? ktime_get_ts64+0x84/0x230
[   12.491082]  kunit_try_run_case+0x1a6/0x480
[   12.491102]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.491121]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   12.491141]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.491164]  ? __kthread_parkme+0x82/0x160
[   12.491182]  ? preempt_count_sub+0x50/0x80
[   12.491203]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.491222]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.491246]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.491270]  kthread+0x257/0x310
[   12.491287]  ? __pfx_kthread+0x10/0x10
[   12.491305]  ret_from_fork+0x41/0x80
[   12.491323]  ? __pfx_kthread+0x10/0x10
[   12.491341]  ret_from_fork_asm+0x1a/0x30
[   12.491370]  </TASK>
[   12.491381] 
[   12.500713] Allocated by task 199:
[   12.500875]  kasan_save_stack+0x45/0x70
[   12.501356]  kasan_save_track+0x18/0x40
[   12.501746]  kasan_save_alloc_info+0x3b/0x50
[   12.502218]  __kasan_kmalloc+0xb7/0xc0
[   12.502560]  __kmalloc_cache_noprof+0x168/0x350
[   12.502935]  ksize_unpoisons_memory+0xc8/0x9b0
[   12.503440]  kunit_try_run_case+0x1a6/0x480
[   12.503775]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.503988]  kthread+0x257/0x310
[   12.504747]  ret_from_fork+0x41/0x80
[   12.505080]  ret_from_fork_asm+0x1a/0x30
[   12.505540] 
[   12.505731] The buggy address belongs to the object at ffff88810261cc00
[   12.505731]  which belongs to the cache kmalloc-128 of size 128
[   12.506287] The buggy address is located 5 bytes to the right of
[   12.506287]  allocated 115-byte region [ffff88810261cc00, ffff88810261cc73)
[   12.507041] 
[   12.507216] The buggy address belongs to the physical page:
[   12.507551] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10261c
[   12.508039] flags: 0x200000000000000(node=0|zone=2)
[   12.508538] page_type: f5(slab)
[   12.508820] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.509277] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   12.509770] page dumped because: kasan: bad access detected
[   12.510461] 
[   12.510650] Memory state around the buggy address:
[   12.510986]  ffff88810261cb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
[   12.511487]  ffff88810261cb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.511883] >ffff88810261cc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   12.512335]                                                                 ^
[   12.512783]  ffff88810261cc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.513339]  ffff88810261cd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.513720] ==================================================================