Hay
Date
July 10, 2025, 6:10 p.m.

Environment
qemu-arm64
qemu-x86_64

[   17.119199] ==================================================================
[   17.119850] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x628/0x740
[   17.119930] Read of size 1 at addr fff00000c5a20373 by task kunit_try_catch/194
[   17.119980] 
[   17.120016] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5 #1 PREEMPT 
[   17.120099] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.120125] Hardware name: linux,dummy-virt (DT)
[   17.120196] Call trace:
[   17.120222]  show_stack+0x20/0x38 (C)
[   17.120274]  dump_stack_lvl+0x8c/0xd0
[   17.120324]  print_report+0x118/0x608
[   17.120387]  kasan_report+0xdc/0x128
[   17.120433]  __asan_report_load1_noabort+0x20/0x30
[   17.120498]  ksize_unpoisons_memory+0x628/0x740
[   17.120548]  kunit_try_run_case+0x170/0x3f0
[   17.120597]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.120651]  kthread+0x328/0x630
[   17.120695]  ret_from_fork+0x10/0x20
[   17.120743] 
[   17.120761] Allocated by task 194:
[   17.120790]  kasan_save_stack+0x3c/0x68
[   17.120839]  kasan_save_track+0x20/0x40
[   17.120877]  kasan_save_alloc_info+0x40/0x58
[   17.120918]  __kasan_kmalloc+0xd4/0xd8
[   17.120965]  __kmalloc_cache_noprof+0x16c/0x3c0
[   17.121006]  ksize_unpoisons_memory+0xc0/0x740
[   17.121046]  kunit_try_run_case+0x170/0x3f0
[   17.121090]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.121135]  kthread+0x328/0x630
[   17.121168]  ret_from_fork+0x10/0x20
[   17.121204] 
[   17.121224] The buggy address belongs to the object at fff00000c5a20300
[   17.121224]  which belongs to the cache kmalloc-128 of size 128
[   17.121286] The buggy address is located 0 bytes to the right of
[   17.121286]  allocated 115-byte region [fff00000c5a20300, fff00000c5a20373)
[   17.121882] 
[   17.122196] The buggy address belongs to the physical page:
[   17.122334] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a20
[   17.122436] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   17.123204] page_type: f5(slab)
[   17.123392] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   17.123928] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   17.123990] page dumped because: kasan: bad access detected
[   17.124315] 
[   17.124431] Memory state around the buggy address:
[   17.124594]  fff00000c5a20200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   17.124833]  fff00000c5a20280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.124995] >fff00000c5a20300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   17.125201]                                                              ^
[   17.125296]  fff00000c5a20380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.125812]  fff00000c5a20400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.126089] ==================================================================
[   17.138870] ==================================================================
[   17.139135] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x690/0x740
[   17.139282] Read of size 1 at addr fff00000c5a2037f by task kunit_try_catch/194
[   17.139385] 
[   17.139473] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5 #1 PREEMPT 
[   17.139558] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.139586] Hardware name: linux,dummy-virt (DT)
[   17.139625] Call trace:
[   17.139649]  show_stack+0x20/0x38 (C)
[   17.139701]  dump_stack_lvl+0x8c/0xd0
[   17.139759]  print_report+0x118/0x608
[   17.139813]  kasan_report+0xdc/0x128
[   17.139862]  __asan_report_load1_noabort+0x20/0x30
[   17.139920]  ksize_unpoisons_memory+0x690/0x740
[   17.139970]  kunit_try_run_case+0x170/0x3f0
[   17.140018]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.140073]  kthread+0x328/0x630
[   17.140115]  ret_from_fork+0x10/0x20
[   17.140164] 
[   17.140182] Allocated by task 194:
[   17.140210]  kasan_save_stack+0x3c/0x68
[   17.140251]  kasan_save_track+0x20/0x40
[   17.140299]  kasan_save_alloc_info+0x40/0x58
[   17.140361]  __kasan_kmalloc+0xd4/0xd8
[   17.140399]  __kmalloc_cache_noprof+0x16c/0x3c0
[   17.140439]  ksize_unpoisons_memory+0xc0/0x740
[   17.140477]  kunit_try_run_case+0x170/0x3f0
[   17.140516]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.140569]  kthread+0x328/0x630
[   17.140601]  ret_from_fork+0x10/0x20
[   17.140644] 
[   17.140663] The buggy address belongs to the object at fff00000c5a20300
[   17.140663]  which belongs to the cache kmalloc-128 of size 128
[   17.140720] The buggy address is located 12 bytes to the right of
[   17.140720]  allocated 115-byte region [fff00000c5a20300, fff00000c5a20373)
[   17.140783] 
[   17.140803] The buggy address belongs to the physical page:
[   17.140831] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a20
[   17.140882] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   17.140928] page_type: f5(slab)
[   17.140965] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   17.141023] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   17.141065] page dumped because: kasan: bad access detected
[   17.141096] 
[   17.141117] Memory state around the buggy address:
[   17.141149]  fff00000c5a20200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   17.141193]  fff00000c5a20280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.141234] >fff00000c5a20300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   17.141271]                                                                 ^
[   17.141318]  fff00000c5a20380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.141371]  fff00000c5a20400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.141713] ==================================================================
[   17.127917] ==================================================================
[   17.128008] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x618/0x740
[   17.128219] Read of size 1 at addr fff00000c5a20378 by task kunit_try_catch/194
[   17.128470] 
[   17.128574] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5 #1 PREEMPT 
[   17.128965] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.129170] Hardware name: linux,dummy-virt (DT)
[   17.129215] Call trace:
[   17.129287]  show_stack+0x20/0x38 (C)
[   17.129586]  dump_stack_lvl+0x8c/0xd0
[   17.129677]  print_report+0x118/0x608
[   17.130070]  kasan_report+0xdc/0x128
[   17.130396]  __asan_report_load1_noabort+0x20/0x30
[   17.130517]  ksize_unpoisons_memory+0x618/0x740
[   17.130594]  kunit_try_run_case+0x170/0x3f0
[   17.130651]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.130708]  kthread+0x328/0x630
[   17.131197]  ret_from_fork+0x10/0x20
[   17.131313] 
[   17.131465] Allocated by task 194:
[   17.131689]  kasan_save_stack+0x3c/0x68
[   17.131781]  kasan_save_track+0x20/0x40
[   17.132355]  kasan_save_alloc_info+0x40/0x58
[   17.132494]  __kasan_kmalloc+0xd4/0xd8
[   17.132535]  __kmalloc_cache_noprof+0x16c/0x3c0
[   17.132779]  ksize_unpoisons_memory+0xc0/0x740
[   17.133040]  kunit_try_run_case+0x170/0x3f0
[   17.133195]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.133427]  kthread+0x328/0x630
[   17.133609]  ret_from_fork+0x10/0x20
[   17.133844] 
[   17.133925] The buggy address belongs to the object at fff00000c5a20300
[   17.133925]  which belongs to the cache kmalloc-128 of size 128
[   17.134197] The buggy address is located 5 bytes to the right of
[   17.134197]  allocated 115-byte region [fff00000c5a20300, fff00000c5a20373)
[   17.134448] 
[   17.134741] The buggy address belongs to the physical page:
[   17.134853] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a20
[   17.135012] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   17.135398] page_type: f5(slab)
[   17.135659] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   17.135791] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   17.135919] page dumped because: kasan: bad access detected
[   17.136115] 
[   17.136135] Memory state around the buggy address:
[   17.136169]  fff00000c5a20200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   17.136544]  fff00000c5a20280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.136746] >fff00000c5a20300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   17.136977]                                                                 ^
[   17.137147]  fff00000c5a20380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.137221]  fff00000c5a20400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.137448] ==================================================================

[   12.885457] ==================================================================
[   12.886250] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x81c/0x9b0
[   12.886621] Read of size 1 at addr ffff888102b0c673 by task kunit_try_catch/211
[   12.886973] 
[   12.887115] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5 #1 PREEMPT(voluntary) 
[   12.887160] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.887172] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.887191] Call Trace:
[   12.887202]  <TASK>
[   12.887217]  dump_stack_lvl+0x73/0xb0
[   12.887246]  print_report+0xd1/0x650
[   12.887267]  ? __virt_addr_valid+0x1db/0x2d0
[   12.887289]  ? ksize_unpoisons_memory+0x81c/0x9b0
[   12.887311]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.887334]  ? ksize_unpoisons_memory+0x81c/0x9b0
[   12.887358]  kasan_report+0x141/0x180
[   12.887379]  ? ksize_unpoisons_memory+0x81c/0x9b0
[   12.887407]  __asan_report_load1_noabort+0x18/0x20
[   12.887431]  ksize_unpoisons_memory+0x81c/0x9b0
[   12.887455]  ? __pfx_ksize_unpoisons_memory+0x10/0x10
[   12.887478]  ? finish_task_switch.isra.0+0x153/0x700
[   12.887501]  ? __switch_to+0x47/0xf50
[   12.887526]  ? __schedule+0x10cc/0x2b60
[   12.887547]  ? __pfx_read_tsc+0x10/0x10
[   12.887567]  ? ktime_get_ts64+0x86/0x230
[   12.887590]  kunit_try_run_case+0x1a5/0x480
[   12.887614]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.887636]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.887659]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.887708]  ? __kthread_parkme+0x82/0x180
[   12.887728]  ? preempt_count_sub+0x50/0x80
[   12.887751]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.887775]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.887799]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.887823]  kthread+0x337/0x6f0
[   12.887842]  ? trace_preempt_on+0x20/0xc0
[   12.887864]  ? __pfx_kthread+0x10/0x10
[   12.887884]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.887905]  ? calculate_sigpending+0x7b/0xa0
[   12.887928]  ? __pfx_kthread+0x10/0x10
[   12.887957]  ret_from_fork+0x116/0x1d0
[   12.887974]  ? __pfx_kthread+0x10/0x10
[   12.888004]  ret_from_fork_asm+0x1a/0x30
[   12.888046]  </TASK>
[   12.888055] 
[   12.896237] Allocated by task 211:
[   12.896407]  kasan_save_stack+0x45/0x70
[   12.896620]  kasan_save_track+0x18/0x40
[   12.896771]  kasan_save_alloc_info+0x3b/0x50
[   12.897001]  __kasan_kmalloc+0xb7/0xc0
[   12.897169]  __kmalloc_cache_noprof+0x189/0x420
[   12.897604]  ksize_unpoisons_memory+0xc7/0x9b0
[   12.897784]  kunit_try_run_case+0x1a5/0x480
[   12.898107]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.898287]  kthread+0x337/0x6f0
[   12.898405]  ret_from_fork+0x116/0x1d0
[   12.898534]  ret_from_fork_asm+0x1a/0x30
[   12.898729] 
[   12.898964] The buggy address belongs to the object at ffff888102b0c600
[   12.898964]  which belongs to the cache kmalloc-128 of size 128
[   12.899711] The buggy address is located 0 bytes to the right of
[   12.899711]  allocated 115-byte region [ffff888102b0c600, ffff888102b0c673)
[   12.900377] 
[   12.900480] The buggy address belongs to the physical page:
[   12.900753] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b0c
[   12.901194] flags: 0x200000000000000(node=0|zone=2)
[   12.901463] page_type: f5(slab)
[   12.901586] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.902117] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   12.902484] page dumped because: kasan: bad access detected
[   12.902763] 
[   12.902892] Memory state around the buggy address:
[   12.903120]  ffff888102b0c500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.903340]  ffff888102b0c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.903606] >ffff888102b0c600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   12.903921]                                                              ^
[   12.904336]  ffff888102b0c680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.904638]  ffff888102b0c700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.905075] ==================================================================
[   12.927314] ==================================================================
[   12.927632] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7b6/0x9b0
[   12.928687] Read of size 1 at addr ffff888102b0c67f by task kunit_try_catch/211
[   12.929077] 
[   12.929182] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5 #1 PREEMPT(voluntary) 
[   12.929222] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.929233] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.929252] Call Trace:
[   12.929265]  <TASK>
[   12.929280]  dump_stack_lvl+0x73/0xb0
[   12.929309]  print_report+0xd1/0x650
[   12.929331]  ? __virt_addr_valid+0x1db/0x2d0
[   12.929352]  ? ksize_unpoisons_memory+0x7b6/0x9b0
[   12.929375]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.929398]  ? ksize_unpoisons_memory+0x7b6/0x9b0
[   12.929421]  kasan_report+0x141/0x180
[   12.929442]  ? ksize_unpoisons_memory+0x7b6/0x9b0
[   12.929470]  __asan_report_load1_noabort+0x18/0x20
[   12.929494]  ksize_unpoisons_memory+0x7b6/0x9b0
[   12.929517]  ? __pfx_ksize_unpoisons_memory+0x10/0x10
[   12.929540]  ? finish_task_switch.isra.0+0x153/0x700
[   12.929562]  ? __switch_to+0x47/0xf50
[   12.929586]  ? __schedule+0x10cc/0x2b60
[   12.929608]  ? __pfx_read_tsc+0x10/0x10
[   12.929627]  ? ktime_get_ts64+0x86/0x230
[   12.929650]  kunit_try_run_case+0x1a5/0x480
[   12.929674]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.929696]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.929719]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.929742]  ? __kthread_parkme+0x82/0x180
[   12.929762]  ? preempt_count_sub+0x50/0x80
[   12.929784]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.930125]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.930161]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.930187]  kthread+0x337/0x6f0
[   12.930207]  ? trace_preempt_on+0x20/0xc0
[   12.930231]  ? __pfx_kthread+0x10/0x10
[   12.930251]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.930308]  ? calculate_sigpending+0x7b/0xa0
[   12.930332]  ? __pfx_kthread+0x10/0x10
[   12.930353]  ret_from_fork+0x116/0x1d0
[   12.930371]  ? __pfx_kthread+0x10/0x10
[   12.930392]  ret_from_fork_asm+0x1a/0x30
[   12.930422]  </TASK>
[   12.930433] 
[   12.940999] Allocated by task 211:
[   12.941172]  kasan_save_stack+0x45/0x70
[   12.941350]  kasan_save_track+0x18/0x40
[   12.941517]  kasan_save_alloc_info+0x3b/0x50
[   12.941695]  __kasan_kmalloc+0xb7/0xc0
[   12.942821]  __kmalloc_cache_noprof+0x189/0x420
[   12.943011]  ksize_unpoisons_memory+0xc7/0x9b0
[   12.943320]  kunit_try_run_case+0x1a5/0x480
[   12.943532]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.943724]  kthread+0x337/0x6f0
[   12.943975]  ret_from_fork+0x116/0x1d0
[   12.944152]  ret_from_fork_asm+0x1a/0x30
[   12.944347] 
[   12.944431] The buggy address belongs to the object at ffff888102b0c600
[   12.944431]  which belongs to the cache kmalloc-128 of size 128
[   12.944995] The buggy address is located 12 bytes to the right of
[   12.944995]  allocated 115-byte region [ffff888102b0c600, ffff888102b0c673)
[   12.945449] 
[   12.945541] The buggy address belongs to the physical page:
[   12.945743] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b0c
[   12.946115] flags: 0x200000000000000(node=0|zone=2)
[   12.946352] page_type: f5(slab)
[   12.946517] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.946779] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   12.947312] page dumped because: kasan: bad access detected
[   12.947579] 
[   12.947674] Memory state around the buggy address:
[   12.947934]  ffff888102b0c500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.948242]  ffff888102b0c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.948486] >ffff888102b0c600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   12.948784]                                                                 ^
[   12.949173]  ffff888102b0c680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.949442]  ffff888102b0c700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.949763] ==================================================================
[   12.905910] ==================================================================
[   12.906224] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7e9/0x9b0
[   12.906521] Read of size 1 at addr ffff888102b0c678 by task kunit_try_catch/211
[   12.906937] 
[   12.907051] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5 #1 PREEMPT(voluntary) 
[   12.907090] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.907101] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.907119] Call Trace:
[   12.907131]  <TASK>
[   12.907144]  dump_stack_lvl+0x73/0xb0
[   12.907174]  print_report+0xd1/0x650
[   12.907195]  ? __virt_addr_valid+0x1db/0x2d0
[   12.907217]  ? ksize_unpoisons_memory+0x7e9/0x9b0
[   12.907240]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.907262]  ? ksize_unpoisons_memory+0x7e9/0x9b0
[   12.907286]  kasan_report+0x141/0x180
[   12.907307]  ? ksize_unpoisons_memory+0x7e9/0x9b0
[   12.907335]  __asan_report_load1_noabort+0x18/0x20
[   12.907359]  ksize_unpoisons_memory+0x7e9/0x9b0
[   12.907383]  ? __pfx_ksize_unpoisons_memory+0x10/0x10
[   12.907406]  ? finish_task_switch.isra.0+0x153/0x700
[   12.907450]  ? __switch_to+0x47/0xf50
[   12.907474]  ? __schedule+0x10cc/0x2b60
[   12.907495]  ? __pfx_read_tsc+0x10/0x10
[   12.907516]  ? ktime_get_ts64+0x86/0x230
[   12.907539]  kunit_try_run_case+0x1a5/0x480
[   12.907563]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.907586]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.907610]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.907633]  ? __kthread_parkme+0x82/0x180
[   12.907652]  ? preempt_count_sub+0x50/0x80
[   12.907675]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.907699]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.907723]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.907748]  kthread+0x337/0x6f0
[   12.907766]  ? trace_preempt_on+0x20/0xc0
[   12.907789]  ? __pfx_kthread+0x10/0x10
[   12.907855]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.907878]  ? calculate_sigpending+0x7b/0xa0
[   12.907902]  ? __pfx_kthread+0x10/0x10
[   12.907923]  ret_from_fork+0x116/0x1d0
[   12.907941]  ? __pfx_kthread+0x10/0x10
[   12.907967]  ret_from_fork_asm+0x1a/0x30
[   12.907997]  </TASK>
[   12.908039] 
[   12.915882] Allocated by task 211:
[   12.916022]  kasan_save_stack+0x45/0x70
[   12.916233]  kasan_save_track+0x18/0x40
[   12.916623]  kasan_save_alloc_info+0x3b/0x50
[   12.916904]  __kasan_kmalloc+0xb7/0xc0
[   12.917112]  __kmalloc_cache_noprof+0x189/0x420
[   12.917357]  ksize_unpoisons_memory+0xc7/0x9b0
[   12.917565]  kunit_try_run_case+0x1a5/0x480
[   12.917747]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.918149]  kthread+0x337/0x6f0
[   12.918273]  ret_from_fork+0x116/0x1d0
[   12.918460]  ret_from_fork_asm+0x1a/0x30
[   12.918661] 
[   12.918749] The buggy address belongs to the object at ffff888102b0c600
[   12.918749]  which belongs to the cache kmalloc-128 of size 128
[   12.919121] The buggy address is located 5 bytes to the right of
[   12.919121]  allocated 115-byte region [ffff888102b0c600, ffff888102b0c673)
[   12.919668] 
[   12.919769] The buggy address belongs to the physical page:
[   12.920335] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b0c
[   12.920777] flags: 0x200000000000000(node=0|zone=2)
[   12.921173] page_type: f5(slab)
[   12.921347] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.921608] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   12.922496] page dumped because: kasan: bad access detected
[   12.922754] 
[   12.922844] Memory state around the buggy address:
[   12.923077]  ffff888102b0c500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.923308]  ffff888102b0c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.924156] >ffff888102b0c600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   12.924405]                                                                 ^
[   12.924695]  ffff888102b0c680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.925565]  ffff888102b0c700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.926358] ==================================================================