Hay
Date
May 13, 2025, 12:07 p.m.

Environment
qemu-arm64
qemu-x86_64

[   19.533210] ==================================================================
[   19.533362] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x690/0x740
[   19.533437] Read of size 1 at addr fff00000c406577f by task kunit_try_catch/194
[   19.533491] 
[   19.533537] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250513 #1 PREEMPT 
[   19.533633] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.533677] Hardware name: linux,dummy-virt (DT)
[   19.533719] Call trace:
[   19.533748]  show_stack+0x20/0x38 (C)
[   19.533846]  dump_stack_lvl+0x8c/0xd0
[   19.533910]  print_report+0x118/0x608
[   19.533994]  kasan_report+0xdc/0x128
[   19.534105]  __asan_report_load1_noabort+0x20/0x30
[   19.534192]  ksize_unpoisons_memory+0x690/0x740
[   19.534247]  kunit_try_run_case+0x170/0x3f0
[   19.534300]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.534356]  kthread+0x328/0x630
[   19.534408]  ret_from_fork+0x10/0x20
[   19.534507] 
[   19.534531] Allocated by task 194:
[   19.534564]  kasan_save_stack+0x3c/0x68
[   19.534684]  kasan_save_track+0x20/0x40
[   19.534729]  kasan_save_alloc_info+0x40/0x58
[   19.534775]  __kasan_kmalloc+0xd4/0xd8
[   19.534815]  __kmalloc_cache_noprof+0x15c/0x3c0
[   19.534860]  ksize_unpoisons_memory+0xc0/0x740
[   19.534904]  kunit_try_run_case+0x170/0x3f0
[   19.534944]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.535005]  kthread+0x328/0x630
[   19.535047]  ret_from_fork+0x10/0x20
[   19.535087] 
[   19.535109] The buggy address belongs to the object at fff00000c4065700
[   19.535109]  which belongs to the cache kmalloc-128 of size 128
[   19.535197] The buggy address is located 12 bytes to the right of
[   19.535197]  allocated 115-byte region [fff00000c4065700, fff00000c4065773)
[   19.535272] 
[   19.535310] The buggy address belongs to the physical page:
[   19.535346] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104065
[   19.535406] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   19.535459] page_type: f5(slab)
[   19.535507] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   19.535629] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   19.535765] page dumped because: kasan: bad access detected
[   19.535816] 
[   19.535870] Memory state around the buggy address:
[   19.535911]  fff00000c4065600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   19.535969]  fff00000c4065680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.536089] >fff00000c4065700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   19.536135]                                                                 ^
[   19.536183]  fff00000c4065780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.536230]  fff00000c4065800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.536279] ==================================================================
[   19.514890] ==================================================================
[   19.516651] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x628/0x740
[   19.517206] Read of size 1 at addr fff00000c4065773 by task kunit_try_catch/194
[   19.517602] 
[   19.517677] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250513 #1 PREEMPT 
[   19.517816] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.518146] Hardware name: linux,dummy-virt (DT)
[   19.518240] Call trace:
[   19.518454]  show_stack+0x20/0x38 (C)
[   19.518664]  dump_stack_lvl+0x8c/0xd0
[   19.518950]  print_report+0x118/0x608
[   19.519048]  kasan_report+0xdc/0x128
[   19.519108]  __asan_report_load1_noabort+0x20/0x30
[   19.519170]  ksize_unpoisons_memory+0x628/0x740
[   19.519722]  kunit_try_run_case+0x170/0x3f0
[   19.519867]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.519938]  kthread+0x328/0x630
[   19.520199]  ret_from_fork+0x10/0x20
[   19.520441] 
[   19.520851] Allocated by task 194:
[   19.521172]  kasan_save_stack+0x3c/0x68
[   19.521243]  kasan_save_track+0x20/0x40
[   19.521285]  kasan_save_alloc_info+0x40/0x58
[   19.521343]  __kasan_kmalloc+0xd4/0xd8
[   19.521394]  __kmalloc_cache_noprof+0x15c/0x3c0
[   19.521621]  ksize_unpoisons_memory+0xc0/0x740
[   19.521705]  kunit_try_run_case+0x170/0x3f0
[   19.521776]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.522057]  kthread+0x328/0x630
[   19.522118]  ret_from_fork+0x10/0x20
[   19.522162] 
[   19.522187] The buggy address belongs to the object at fff00000c4065700
[   19.522187]  which belongs to the cache kmalloc-128 of size 128
[   19.522258] The buggy address is located 0 bytes to the right of
[   19.522258]  allocated 115-byte region [fff00000c4065700, fff00000c4065773)
[   19.522404] 
[   19.522436] The buggy address belongs to the physical page:
[   19.522475] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104065
[   19.522742] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   19.523006] page_type: f5(slab)
[   19.523225] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   19.523338] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   19.523415] page dumped because: kasan: bad access detected
[   19.523457] 
[   19.523486] Memory state around the buggy address:
[   19.523533]  fff00000c4065600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   19.523585]  fff00000c4065680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.523635] >fff00000c4065700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   19.523679]                                                              ^
[   19.523725]  fff00000c4065780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.523773]  fff00000c4065800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.523816] ==================================================================
[   19.526223] ==================================================================
[   19.526310] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x618/0x740
[   19.526398] Read of size 1 at addr fff00000c4065778 by task kunit_try_catch/194
[   19.526498] 
[   19.526657] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250513 #1 PREEMPT 
[   19.526773] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.527439] Hardware name: linux,dummy-virt (DT)
[   19.527507] Call trace:
[   19.528045]  show_stack+0x20/0x38 (C)
[   19.528393]  dump_stack_lvl+0x8c/0xd0
[   19.528485]  print_report+0x118/0x608
[   19.528677]  kasan_report+0xdc/0x128
[   19.528862]  __asan_report_load1_noabort+0x20/0x30
[   19.529173]  ksize_unpoisons_memory+0x618/0x740
[   19.529250]  kunit_try_run_case+0x170/0x3f0
[   19.529361]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.529515]  kthread+0x328/0x630
[   19.529966]  ret_from_fork+0x10/0x20
[   19.530048] 
[   19.530073] Allocated by task 194:
[   19.530112]  kasan_save_stack+0x3c/0x68
[   19.530166]  kasan_save_track+0x20/0x40
[   19.530235]  kasan_save_alloc_info+0x40/0x58
[   19.530284]  __kasan_kmalloc+0xd4/0xd8
[   19.530328]  __kmalloc_cache_noprof+0x15c/0x3c0
[   19.530487]  ksize_unpoisons_memory+0xc0/0x740
[   19.530582]  kunit_try_run_case+0x170/0x3f0
[   19.530629]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.530692]  kthread+0x328/0x630
[   19.530774]  ret_from_fork+0x10/0x20
[   19.530826] 
[   19.530859] The buggy address belongs to the object at fff00000c4065700
[   19.530859]  which belongs to the cache kmalloc-128 of size 128
[   19.531004] The buggy address is located 5 bytes to the right of
[   19.531004]  allocated 115-byte region [fff00000c4065700, fff00000c4065773)
[   19.531227] 
[   19.531317] The buggy address belongs to the physical page:
[   19.531360] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104065
[   19.531425] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   19.531505] page_type: f5(slab)
[   19.531561] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   19.531621] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   19.531667] page dumped because: kasan: bad access detected
[   19.531704] 
[   19.531725] Memory state around the buggy address:
[   19.531765]  fff00000c4065600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   19.531817]  fff00000c4065680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.531867] >fff00000c4065700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   19.531910]                                                                 ^
[   19.532015]  fff00000c4065780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.532137]  fff00000c4065800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.532207] ==================================================================

[   11.538243] ==================================================================
[   11.538887] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7e9/0x9b0
[   11.539164] Read of size 1 at addr ffff8881026a8a78 by task kunit_try_catch/211
[   11.539503] 
[   11.539598] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) 
[   11.539654] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.539666] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.539686] Call Trace:
[   11.539700]  <TASK>
[   11.539714]  dump_stack_lvl+0x73/0xb0
[   11.539740]  print_report+0xd1/0x650
[   11.539761]  ? __virt_addr_valid+0x1db/0x2d0
[   11.539783]  ? ksize_unpoisons_memory+0x7e9/0x9b0
[   11.539805]  ? kasan_complete_mode_report_info+0x2a/0x200
[   11.539827]  ? ksize_unpoisons_memory+0x7e9/0x9b0
[   11.539851]  kasan_report+0x141/0x180
[   11.539873]  ? ksize_unpoisons_memory+0x7e9/0x9b0
[   11.539901]  __asan_report_load1_noabort+0x18/0x20
[   11.539921]  ksize_unpoisons_memory+0x7e9/0x9b0
[   11.539945]  ? __pfx_ksize_unpoisons_memory+0x10/0x10
[   11.539967]  ? finish_task_switch.isra.0+0x153/0x700
[   11.539988]  ? __switch_to+0x47/0xf50
[   11.540014]  ? __schedule+0x10cc/0x2b60
[   11.540035]  ? __pfx_read_tsc+0x10/0x10
[   11.540055]  ? ktime_get_ts64+0x86/0x230
[   11.540078]  kunit_try_run_case+0x1a5/0x480
[   11.540101]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.540122]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.540144]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.540167]  ? __kthread_parkme+0x82/0x180
[   11.540187]  ? preempt_count_sub+0x50/0x80
[   11.540210]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.540233]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.540255]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.540278]  kthread+0x337/0x6f0
[   11.540297]  ? trace_preempt_on+0x20/0xc0
[   11.540320]  ? __pfx_kthread+0x10/0x10
[   11.540341]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.540361]  ? calculate_sigpending+0x7b/0xa0
[   11.540384]  ? __pfx_kthread+0x10/0x10
[   11.540405]  ret_from_fork+0x116/0x1d0
[   11.540424]  ? __pfx_kthread+0x10/0x10
[   11.540453]  ret_from_fork_asm+0x1a/0x30
[   11.540484]  </TASK>
[   11.540493] 
[   11.550944] Allocated by task 211:
[   11.551251]  kasan_save_stack+0x45/0x70
[   11.551404]  kasan_save_track+0x18/0x40
[   11.551535]  kasan_save_alloc_info+0x3b/0x50
[   11.551688]  __kasan_kmalloc+0xb7/0xc0
[   11.551822]  __kmalloc_cache_noprof+0x189/0x420
[   11.551971]  ksize_unpoisons_memory+0xc7/0x9b0
[   11.552117]  kunit_try_run_case+0x1a5/0x480
[   11.552599]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.553125]  kthread+0x337/0x6f0
[   11.553499]  ret_from_fork+0x116/0x1d0
[   11.553886]  ret_from_fork_asm+0x1a/0x30
[   11.554300] 
[   11.554504] The buggy address belongs to the object at ffff8881026a8a00
[   11.554504]  which belongs to the cache kmalloc-128 of size 128
[   11.555635] The buggy address is located 5 bytes to the right of
[   11.555635]  allocated 115-byte region [ffff8881026a8a00, ffff8881026a8a73)
[   11.556845] 
[   11.557043] The buggy address belongs to the physical page:
[   11.557580] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026a8
[   11.558113] flags: 0x200000000000000(node=0|zone=2)
[   11.558357] page_type: f5(slab)
[   11.558696] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   11.558932] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   11.559156] page dumped because: kasan: bad access detected
[   11.559717] 
[   11.559877] Memory state around the buggy address:
[   11.560397]  ffff8881026a8900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   11.561053]  ffff8881026a8980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.561723] >ffff8881026a8a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   11.562304]                                                                 ^
[   11.562521]  ffff8881026a8a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.562744]  ffff8881026a8b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.562954] ==================================================================
[   11.520720] ==================================================================
[   11.521179] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x81c/0x9b0
[   11.521545] Read of size 1 at addr ffff8881026a8a73 by task kunit_try_catch/211
[   11.521846] 
[   11.521948] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) 
[   11.521993] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.522004] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.522024] Call Trace:
[   11.522036]  <TASK>
[   11.522050]  dump_stack_lvl+0x73/0xb0
[   11.522076]  print_report+0xd1/0x650
[   11.522098]  ? __virt_addr_valid+0x1db/0x2d0
[   11.522120]  ? ksize_unpoisons_memory+0x81c/0x9b0
[   11.522143]  ? kasan_complete_mode_report_info+0x2a/0x200
[   11.522165]  ? ksize_unpoisons_memory+0x81c/0x9b0
[   11.522199]  kasan_report+0x141/0x180
[   11.522221]  ? ksize_unpoisons_memory+0x81c/0x9b0
[   11.522250]  __asan_report_load1_noabort+0x18/0x20
[   11.522270]  ksize_unpoisons_memory+0x81c/0x9b0
[   11.522294]  ? __pfx_ksize_unpoisons_memory+0x10/0x10
[   11.522316]  ? finish_task_switch.isra.0+0x153/0x700
[   11.522337]  ? __switch_to+0x47/0xf50
[   11.522363]  ? __schedule+0x10cc/0x2b60
[   11.522384]  ? __pfx_read_tsc+0x10/0x10
[   11.522404]  ? ktime_get_ts64+0x86/0x230
[   11.522428]  kunit_try_run_case+0x1a5/0x480
[   11.522452]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.522479]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.522501]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.522523]  ? __kthread_parkme+0x82/0x180
[   11.522543]  ? preempt_count_sub+0x50/0x80
[   11.522567]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.522590]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.522622]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.522646]  kthread+0x337/0x6f0
[   11.522666]  ? trace_preempt_on+0x20/0xc0
[   11.522690]  ? __pfx_kthread+0x10/0x10
[   11.522710]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.522730]  ? calculate_sigpending+0x7b/0xa0
[   11.522755]  ? __pfx_kthread+0x10/0x10
[   11.522777]  ret_from_fork+0x116/0x1d0
[   11.522794]  ? __pfx_kthread+0x10/0x10
[   11.522815]  ret_from_fork_asm+0x1a/0x30
[   11.522847]  </TASK>
[   11.522858] 
[   11.529945] Allocated by task 211:
[   11.530085]  kasan_save_stack+0x45/0x70
[   11.530279]  kasan_save_track+0x18/0x40
[   11.530486]  kasan_save_alloc_info+0x3b/0x50
[   11.530702]  __kasan_kmalloc+0xb7/0xc0
[   11.530889]  __kmalloc_cache_noprof+0x189/0x420
[   11.531067]  ksize_unpoisons_memory+0xc7/0x9b0
[   11.531321]  kunit_try_run_case+0x1a5/0x480
[   11.531535]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.531757]  kthread+0x337/0x6f0
[   11.531913]  ret_from_fork+0x116/0x1d0
[   11.532043]  ret_from_fork_asm+0x1a/0x30
[   11.532179] 
[   11.532288] The buggy address belongs to the object at ffff8881026a8a00
[   11.532288]  which belongs to the cache kmalloc-128 of size 128
[   11.532837] The buggy address is located 0 bytes to the right of
[   11.532837]  allocated 115-byte region [ffff8881026a8a00, ffff8881026a8a73)
[   11.533235] 
[   11.533309] The buggy address belongs to the physical page:
[   11.533480] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026a8
[   11.534157] flags: 0x200000000000000(node=0|zone=2)
[   11.534556] page_type: f5(slab)
[   11.534687] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   11.534916] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   11.535138] page dumped because: kasan: bad access detected
[   11.535307] 
[   11.535452] Memory state around the buggy address:
[   11.535687]  ffff8881026a8900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   11.536014]  ffff8881026a8980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.536336] >ffff8881026a8a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   11.536689]                                                              ^
[   11.537002]  ffff8881026a8a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.537479]  ffff8881026a8b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.537747] ==================================================================
[   11.563484] ==================================================================
[   11.563882] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7b6/0x9b0
[   11.564795] Read of size 1 at addr ffff8881026a8a7f by task kunit_try_catch/211
[   11.565630] 
[   11.565890] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) 
[   11.565937] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.565948] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.566007] Call Trace:
[   11.566022]  <TASK>
[   11.566038]  dump_stack_lvl+0x73/0xb0
[   11.566076]  print_report+0xd1/0x650
[   11.566099]  ? __virt_addr_valid+0x1db/0x2d0
[   11.566122]  ? ksize_unpoisons_memory+0x7b6/0x9b0
[   11.566144]  ? kasan_complete_mode_report_info+0x2a/0x200
[   11.566193]  ? ksize_unpoisons_memory+0x7b6/0x9b0
[   11.566225]  kasan_report+0x141/0x180
[   11.566248]  ? ksize_unpoisons_memory+0x7b6/0x9b0
[   11.566312]  __asan_report_load1_noabort+0x18/0x20
[   11.566333]  ksize_unpoisons_memory+0x7b6/0x9b0
[   11.566366]  ? __pfx_ksize_unpoisons_memory+0x10/0x10
[   11.566389]  ? finish_task_switch.isra.0+0x153/0x700
[   11.566411]  ? __switch_to+0x47/0xf50
[   11.566436]  ? __schedule+0x10cc/0x2b60
[   11.566458]  ? __pfx_read_tsc+0x10/0x10
[   11.566482]  ? ktime_get_ts64+0x86/0x230
[   11.566508]  kunit_try_run_case+0x1a5/0x480
[   11.566532]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.566553]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.566575]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.566597]  ? __kthread_parkme+0x82/0x180
[   11.566627]  ? preempt_count_sub+0x50/0x80
[   11.566650]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.566673]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.566696]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.566719]  kthread+0x337/0x6f0
[   11.566739]  ? trace_preempt_on+0x20/0xc0
[   11.566761]  ? __pfx_kthread+0x10/0x10
[   11.566782]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.566802]  ? calculate_sigpending+0x7b/0xa0
[   11.566825]  ? __pfx_kthread+0x10/0x10
[   11.566847]  ret_from_fork+0x116/0x1d0
[   11.566864]  ? __pfx_kthread+0x10/0x10
[   11.566885]  ret_from_fork_asm+0x1a/0x30
[   11.566916]  </TASK>
[   11.566927] 
[   11.575766] Allocated by task 211:
[   11.575894]  kasan_save_stack+0x45/0x70
[   11.576048]  kasan_save_track+0x18/0x40
[   11.576318]  kasan_save_alloc_info+0x3b/0x50
[   11.576544]  __kasan_kmalloc+0xb7/0xc0
[   11.576743]  __kmalloc_cache_noprof+0x189/0x420
[   11.576960]  ksize_unpoisons_memory+0xc7/0x9b0
[   11.577220]  kunit_try_run_case+0x1a5/0x480
[   11.577406]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.577663]  kthread+0x337/0x6f0
[   11.577781]  ret_from_fork+0x116/0x1d0
[   11.577908]  ret_from_fork_asm+0x1a/0x30
[   11.578063] 
[   11.578160] The buggy address belongs to the object at ffff8881026a8a00
[   11.578160]  which belongs to the cache kmalloc-128 of size 128
[   11.578758] The buggy address is located 12 bytes to the right of
[   11.578758]  allocated 115-byte region [ffff8881026a8a00, ffff8881026a8a73)
[   11.579299] 
[   11.579395] The buggy address belongs to the physical page:
[   11.579652] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026a8
[   11.579966] flags: 0x200000000000000(node=0|zone=2)
[   11.580122] page_type: f5(slab)
[   11.580245] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   11.580667] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   11.581016] page dumped because: kasan: bad access detected
[   11.581278] 
[   11.581446] Memory state around the buggy address:
[   11.581610]  ffff8881026a8900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   11.582051]  ffff8881026a8980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.582330] >ffff8881026a8a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc
[   11.582681]                                                                 ^
[   11.582884]  ffff8881026a8a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.583118]  ffff8881026a8b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.583656] ==================================================================