[   28.535443] ==================================================================
[   28.535546] BUG: KASAN: slab-use-after-free in strnlen+0x80/0x88
[   28.535664] Read of size 1 at addr fff00000c7895c50 by task kunit_try_catch/260
[   28.535805] 
[   28.535877] CPU: 1 UID: 0 PID: 260 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250530 #1 PREEMPT 
[   28.536074] Tainted: [B]=BAD_PAGE, [N]=TEST
[   28.536142] Hardware name: linux,dummy-virt (DT)
[   28.536217] Call trace:
[   28.536279]  show_stack+0x20/0x38 (C)
[   28.536397]  dump_stack_lvl+0x8c/0xd0
[   28.536515]  print_report+0x118/0x608
[   28.536630]  kasan_report+0xdc/0x128
[   28.537876]  __asan_report_load1_noabort+0x20/0x30
[   28.538033]  strnlen+0x80/0x88
[   28.538165]  kasan_strings+0x478/0xb00
[   28.538345]  kunit_try_run_case+0x170/0x3f0
[   28.538746]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   28.538939]  kthread+0x328/0x630
[   28.539060]  ret_from_fork+0x10/0x20
[   28.539207] 
[   28.539336] Allocated by task 260:
[   28.539416]  kasan_save_stack+0x3c/0x68
[   28.539544]  kasan_save_track+0x20/0x40
[   28.539888]  kasan_save_alloc_info+0x40/0x58
[   28.540095]  __kasan_kmalloc+0xd4/0xd8
[   28.540197]  __kmalloc_cache_noprof+0x15c/0x3c0
[   28.540366]  kasan_strings+0xc8/0xb00
[   28.540488]  kunit_try_run_case+0x170/0x3f0
[   28.540596]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   28.540725]  kthread+0x328/0x630
[   28.542438]  ret_from_fork+0x10/0x20
[   28.542583] 
[   28.542733] Freed by task 260:
[   28.542839]  kasan_save_stack+0x3c/0x68
[   28.542949]  kasan_save_track+0x20/0x40
[   28.543058]  kasan_save_free_info+0x4c/0x78
[   28.544611]  __kasan_slab_free+0x6c/0x98
[   28.544794]  kfree+0x214/0x3c8
[   28.544950]  kasan_strings+0x24c/0xb00
[   28.545199]  kunit_try_run_case+0x170/0x3f0
[   28.545329]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   28.545448]  kthread+0x328/0x630
[   28.545540]  ret_from_fork+0x10/0x20
[   28.545636] 
[   28.546015] The buggy address belongs to the object at fff00000c7895c40
[   28.546015]  which belongs to the cache kmalloc-32 of size 32
[   28.547704] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000
[   28.549079]  fff00000c7895c80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[   28.574366]  dump_stack_lvl+0x8c/0xd0
[   28.575544]  kthread+0x328/0x630
[   28.580123]  kunit_try_run_case+0x170/0x3f0
[   28.581628] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   28.585841]  fff00000c61bf800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.590218]  kasan_report+0xdc/0x128
[   28.591740]  kasan_bitops_generic+0x110/0x1c8
[   28.592830] 
[   28.593384]  __kasan_kmalloc+0xd4/0xd8
[   28.594822] 
[   28.596908]  fff00000c61bf880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.603850] Call trace:
[   28.605474]  kasan_check_range+0x100/0x1a8
[   28.606493]  kasan_bitops_generic+0x110/0x1c8
[   28.606714]  kunit_try_run_case+0x170/0x3f0
[   28.607301]  kthread+0x328/0x630
[   28.608271] 
[   28.608588]  kasan_save_stack+0x3c/0x68
[   28.610864] 
[   28.611699] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1061bf
[   28.613960]                       ^
[   28.617751] Tainted: [B]=BAD_PAGE, [N]=TEST
[   28.619419]  __asan_report_load8_noabort+0x20/0x30
[   28.625720]  __kasan_kmalloc+0xd4/0xd8
[   28.627646] 
[   28.629075] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   28.639342]  kasan_report+0xdc/0x128
[   28.642895]  kthread+0x328/0x630
[   28.645812] The buggy address is located 8 bytes inside of
[   28.645812]  allocated 9-byte region [fff00000c61bf780, fff00000c61bf789)
[   28.651588] 
[   28.655183]  kasan_check_range+0x100/0x1a8
[   28.655622]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   28.657469] 
[   28.659938] ==================================================================

[   21.442285] ==================================================================
[   21.443331] BUG: KASAN: slab-use-after-free in strnlen+0x73/0x80
[   21.443971] Read of size 1 at addr ffff888102b74c50 by task kunit_try_catch/276
[   21.444698] 
[   21.445085] CPU: 0 UID: 0 PID: 276 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250530 #1 PREEMPT(voluntary) 
[   21.445212] Tainted: [B]=BAD_PAGE, [N]=TEST
[   21.445254] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   21.445370] Call Trace:
[   21.445477]  <TASK>
[   21.445531]  dump_stack_lvl+0x73/0xb0
[   21.445644]  print_report+0xd1/0x650
[   21.445772]  ? __virt_addr_valid+0x1db/0x2d0
[   21.445899]  ? strnlen+0x73/0x80
[   21.445988]  ? kasan_complete_mode_report_info+0x64/0x200
[   21.446067]  ? strnlen+0x73/0x80
[   21.446126]  kasan_report+0x141/0x180
[   21.446162]  ? strnlen+0x73/0x80
[   21.446195]  __asan_report_load1_noabort+0x18/0x20
[   21.446226]  strnlen+0x73/0x80
[   21.446268]  kasan_strings+0x615/0xe80
[   21.446299]  ? trace_hardirqs_on+0x37/0xe0
[   21.446333]  ? __pfx_kasan_strings+0x10/0x10
[   21.446365]  ? __kasan_check_write+0x18/0x20
[   21.446393]  ? queued_spin_lock_slowpath+0x116/0xb40
[   21.446431]  ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[   21.446467]  ? __pfx_read_tsc+0x10/0x10
[   21.446500]  ? ktime_get_ts64+0x86/0x230
[   21.446533]  kunit_try_run_case+0x1a5/0x480
[   21.446563]  ? __pfx_kunit_try_run_case+0x10/0x10
[   21.446591]  ? _raw_spin_lock_irqsave+0xf9/0x100
[   21.446625]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   21.446691]  ? __kthread_parkme+0x82/0x180
[   21.446735]  ? preempt_count_sub+0x50/0x80
[   21.446770]  ? __pfx_kunit_try_run_case+0x10/0x10
[   21.446800]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   21.446835]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   21.446872]  kthread+0x337/0x6f0
[   21.446900]  ? trace_preempt_on+0x20/0xc0
[   21.446933]  ? __pfx_kthread+0x10/0x10
[   21.446989]  ? _raw_spin_unlock_irq+0x47/0x80
[   21.447024]  ? calculate_sigpending+0x7b/0xa0
[   21.447058]  ? __pfx_kthread+0x10/0x10
[   21.447087]  ret_from_fork+0x116/0x1d0
[   21.447112]  ? __pfx_kthread+0x10/0x10
[   21.447141]  ret_from_fork_asm+0x1a/0x30
[   21.447184]  </TASK>
[   21.447199] 
[   21.463531] Allocated by task 276:
[   21.463859]  kasan_save_stack+0x45/0x70
[   21.464410]  kasan_save_track+0x18/0x40
[   21.465126]  kasan_save_alloc_info+0x3b/0x50
[   21.465573]  __kasan_kmalloc+0xb7/0xc0
[   21.466014]  __kmalloc_cache_noprof+0x189/0x420
[   21.467757]  kasan_strings+0xc0/0xe80
[   21.468400]  kunit_try_run_case+0x1a5/0x480
[   21.469638]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   21.470446]  kthread+0x337/0x6f0
[   21.471109]  ret_from_fork+0x116/0x1d0
[   21.471645]  ret_from_fork_asm+0x1a/0x30
[   21.472255] 
[   21.472422] Freed by task 276:
[   21.473093]  kasan_save_stack+0x45/0x70
[   21.473457]  kasan_save_track+0x18/0x40
[   21.474213]  kasan_save_free_info+0x3f/0x60
[   21.474590]  __kasan_slab_free+0x56/0x70
[   21.475493]  kfree+0x222/0x3f0
[   21.476106]  kasan_strings+0x2aa/0xe80
[   21.476447]  kunit_try_run_case+0x1a5/0x480
[   21.477075]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   21.477551]  kthread+0x337/0x6f0
[   21.477881]  ret_from_fork+0x116/0x1d0
[   21.478407]  ret_from_fork_asm+0x1a/0x30
[   21.479030] 
[   21.479244] The buggy address belongs to the object at ffff888102b74c40
[   21.479244]  which belongs to the cache kmalloc-32 of size 32
[   21.480315] The buggy address is located 16 bytes inside of
[   21.480315]  freed 32-byte region [ffff888102b74c40, ffff888102b74c60)
[   21.481328] 
[   21.481517] The buggy address belongs to the physical page:
[   21.482143] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b74
[   21.482829] flags: 0x200000000000000(node=0|zone=2)
[   21.483351] page_type: f5(slab)
[   21.483705] raw: 0200000000000000 ffff888100041780 dead000000000122 0000000000000000
[   21.484251] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000
[   21.485003] page dumped because: kasan: bad access detected
[   21.485523] 
[   21.485809] Memory state around the buggy address:
[   21.486254]  ffff888102b74b00: 00 00 00 fc fc fc fc fc fa fb fb fb fc fc fc fc
[   21.486969]  ffff888102b74b80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[   21.487645] >ffff888102b74c00: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[   21.488275]                                                  ^
[   21.488840]  ffff888102b74c80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[   21.489504]  ffff888102b74d00: 00 00 00 fc fc fc fc fc fa fb fb fb fc fc fc fc
[   21.490132] ==================================================================

[   68.248748] ==================================================================
[   68.256011] BUG: KASAN: slab-use-after-free in strnlen+0x94/0x9c
[   68.262054] Read of size 1 at addr cc90a410 by task kunit_try_catch/311
[   68.268737] 
[   68.270233] CPU: 0 UID: 0 PID: 311 Comm: kunit_try_catch Tainted: G    B   W        N  6.15.0-next-20250530 #1 NONE 
[   68.270263] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   68.270263] Hardware name: Generic DRA74X (Flattened Device Tree)
[   68.270294] Call trace: 
[   68.270294]  unwind_backtrace from show_stack+0x18/0x1c
[   68.270324]  show_stack from dump_stack_lvl+0x70/0x90
[   68.270355]  dump_stack_lvl from print_report+0x158/0x528
[   68.270355]  print_report from kasan_report+0xdc/0x118
[   68.270385]  kasan_report from strnlen+0x94/0x9c
[   68.270416]  strnlen from kasan_strings+0x670/0xf00
[   68.270446]  kasan_strings from kunit_try_run_case+0x22c/0x5a8
[   68.270477]  kunit_try_run_case from kunit_generic_run_threadfn_adapter+0xc4/0x128
[   68.270507]  kunit_generic_run_threadfn_adapter from kthread+0x464/0x810
[   68.270507]  kthread from ret_from_fork+0x14/0x20
[   68.270538] Exception stack(0xf24c3fb0 to 0xf24c3ff8)
[   68.270568] 3fa0:                                     00000000 00000000 00000000 00000000
[   68.270568] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[   68.270599] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[   68.270599] 
[   68.379852] Allocated by task 311:
[   68.383270]  kasan_save_track+0x30/0x5c
[   68.387145]  __kasan_kmalloc+0x8c/0x94
[   68.390899]  kasan_strings+0xe8/0xf00
[   68.394622]  kunit_try_run_case+0x22c/0x5a8
[   68.398834]  kunit_generic_run_threadfn_adapter+0xc4/0x128
[   68.404357]  kthread+0x464/0x810
[   68.407623]  ret_from_fork+0x14/0x20
[   68.411224] 
[   68.412719] Freed by task 311:
[   68.415802]  kasan_save_track+0x30/0x5c
[   68.419677]  kasan_save_free_info+0x3c/0x48
[   68.423889]  __kasan_slab_free+0x40/0x50
[   68.427825]  kfree+0xe8/0x384
[   68.430847]  kasan_strings+0x310/0xf00
[   68.434600]  kunit_try_run_case+0x22c/0x5a8
[   68.438842]  kunit_generic_run_threadfn_adapter+0xc4/0x128
[   68.444366]  kthread+0x464/0x810
[   68.447631]  ret_from_fork+0x14/0x20
[   68.451232] 
[   68.452728] The buggy address belongs to the object at cc90a400
[   68.452728]  which belongs to the cache kmalloc-64 of size 64
[   68.464447] The buggy address is located 16 bytes inside of
[   68.464447]  freed 64-byte region [cc90a400, cc90a440)
[   68.475219] 
[   68.476715] The buggy address belongs to the physical page:
[   68.482330] page: refcount:0 mapcount:0 mapping:00000000 index:0x0 pfn:0x8c90a
[   68.489593] flags: 0x0(zone=0)
[   68.492675] page_type: f5(slab)
[   68.495849] raw: 00000000 c7001300 00000122 00000000 00000000 80200020 f5000000 00000000
[   68.503997] raw: 00000000
[   68.506622] page dumped because: kasan: bad access detected
[   68.512237] 
[   68.513732] Memory state around the buggy address:
[   68.518585]  cc90a300: 00 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   68.525146]  cc90a380: 00 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   68.531707] >cc90a400: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   68.538299]                  ^
[   68.541351]  cc90a480: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   68.547943]  cc90a500: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   68.554504] ==================================================================