[   25.008916] ==================================================================
[   25.009037] BUG: KASAN: slab-use-after-free in kmalloc_uaf+0x300/0x338
[   25.009154] Read of size 1 at addr fff00000c5ed4d28 by task kunit_try_catch/185
[   25.009284] 
[   25.009357] CPU: 0 UID: 0 PID: 185 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250530 #1 PREEMPT 
[   25.009550] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.009613] Hardware name: linux,dummy-virt (DT)
[   25.009709] Call trace:
[   25.009782]  show_stack+0x20/0x38 (C)
[   25.010227]  dump_stack_lvl+0x8c/0xd0
[   25.010770]  print_report+0x118/0x608
[   25.011436]  kasan_report+0xdc/0x128
[   25.011608]  __asan_report_load1_noabort+0x20/0x30
[   25.011754]  kmalloc_uaf+0x300/0x338
[   25.011868]  kunit_try_run_case+0x170/0x3f0
[   25.012041]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.012193]  kthread+0x328/0x630
[   25.012312]  ret_from_fork+0x10/0x20
[   25.012744] 
[   25.012796] Allocated by task 185:
[   25.013263]  kasan_save_stack+0x3c/0x68
[   25.013374]  kasan_save_track+0x20/0x40
[   25.013471]  kasan_save_alloc_info+0x40/0x58
[   25.013563]  __kasan_kmalloc+0xd4/0xd8
[   25.013887]  __kmalloc_cache_noprof+0x15c/0x3c0
[   25.014138]  kmalloc_uaf+0xb8/0x338
[   25.014282]  kunit_try_run_case+0x170/0x3f0
[   25.014389]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.014552]  kthread+0x328/0x630
[   25.014768]  ret_from_fork+0x10/0x20
[   25.015271] 
[   25.015356] Freed by task 185:
[   25.015427]  kasan_save_stack+0x3c/0x68
[   25.015540]  kasan_save_track+0x20/0x40
[   25.015716]  kasan_save_free_info+0x4c/0x78
[   25.015997]  __kasan_slab_free+0x6c/0x98
[   25.016275]  kfree+0x214/0x3c8
[   25.016368]  kmalloc_uaf+0x11c/0x338
[   25.016459]  kunit_try_run_case+0x170/0x3f0
[   25.016567]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.016769]  kthread+0x328/0x630
[   25.016877]  ret_from_fork+0x10/0x20
[   25.017445] 
[   25.017574] The buggy address belongs to the object at fff00000c5ed4d20
[   25.017574]  which belongs to the cache kmalloc-16 of size 16
[   25.017958] The buggy address is located 8 bytes inside of
[   25.017958]  freed 16-byte region [fff00000c5ed4d20, fff00000c5ed4d30)
[   25.018117] 
[   25.018173] The buggy address belongs to the physical page:
[   25.018246] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105ed4
[   25.018390] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   25.018929] page_type: f5(slab)
[   25.019118] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000
[   25.019251] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   25.019735] page dumped because: kasan: bad access detected
[   25.019883] 
[   25.019941] Memory state around the buggy address:
[   25.020050]  fff00000c5ed4c00: fa fb fc fc fa fb fc fc fa fb fc fc 00 04 fc fc
[   25.020335]  fff00000c5ed4c80: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   25.020444] >fff00000c5ed4d00: fa fb fc fc fa fb fc fc fc fc fc fc fc fc fc fc
[   25.020539]                                   ^
[   25.020628]  fff00000c5ed4d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.020811]  fff00000c5ed4e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.020997] ==================================================================

[   18.540474] ==================================================================
[   18.541375] BUG: KASAN: slab-use-after-free in kmalloc_uaf+0x320/0x380
[   18.541931] Read of size 1 at addr ffff888102b0a0c8 by task kunit_try_catch/201
[   18.543784] 
[   18.543972] CPU: 0 UID: 0 PID: 201 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250530 #1 PREEMPT(voluntary) 
[   18.544086] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.544126] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   18.544418] Call Trace:
[   18.544446]  <TASK>
[   18.544471]  dump_stack_lvl+0x73/0xb0
[   18.544515]  print_report+0xd1/0x650
[   18.544549]  ? __virt_addr_valid+0x1db/0x2d0
[   18.544582]  ? kmalloc_uaf+0x320/0x380
[   18.544611]  ? kasan_complete_mode_report_info+0x64/0x200
[   18.544641]  ? kmalloc_uaf+0x320/0x380
[   18.544670]  kasan_report+0x141/0x180
[   18.544700]  ? kmalloc_uaf+0x320/0x380
[   18.544759]  __asan_report_load1_noabort+0x18/0x20
[   18.544806]  kmalloc_uaf+0x320/0x380
[   18.544836]  ? __pfx_kmalloc_uaf+0x10/0x10
[   18.544866]  ? __schedule+0x10cc/0x2b60
[   18.544901]  ? __pfx_read_tsc+0x10/0x10
[   18.544931]  ? ktime_get_ts64+0x86/0x230
[   18.544965]  kunit_try_run_case+0x1a5/0x480
[   18.544996]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.545046]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   18.545086]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   18.545120]  ? __kthread_parkme+0x82/0x180
[   18.545149]  ? preempt_count_sub+0x50/0x80
[   18.545278]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.545317]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.545355]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   18.545390]  kthread+0x337/0x6f0
[   18.545417]  ? trace_preempt_on+0x20/0xc0
[   18.545450]  ? __pfx_kthread+0x10/0x10
[   18.545478]  ? _raw_spin_unlock_irq+0x47/0x80
[   18.545509]  ? calculate_sigpending+0x7b/0xa0
[   18.545542]  ? __pfx_kthread+0x10/0x10
[   18.545571]  ret_from_fork+0x116/0x1d0
[   18.545595]  ? __pfx_kthread+0x10/0x10
[   18.545623]  ret_from_fork_asm+0x1a/0x30
[   18.545665]  </TASK>
[   18.545679] 
[   18.566700] Allocated by task 201:
[   18.567075]  kasan_save_stack+0x45/0x70
[   18.567673]  kasan_save_track+0x18/0x40
[   18.568385]  kasan_save_alloc_info+0x3b/0x50
[   18.569091]  __kasan_kmalloc+0xb7/0xc0
[   18.569688]  __kmalloc_cache_noprof+0x189/0x420
[   18.570508]  kmalloc_uaf+0xaa/0x380
[   18.570833]  kunit_try_run_case+0x1a5/0x480
[   18.571206]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.571614]  kthread+0x337/0x6f0
[   18.572850]  ret_from_fork+0x116/0x1d0
[   18.573157]  ret_from_fork_asm+0x1a/0x30
[   18.574001] 
[   18.574399] Freed by task 201:
[   18.574746]  kasan_save_stack+0x45/0x70
[   18.575509]  kasan_save_track+0x18/0x40
[   18.575818]  kasan_save_free_info+0x3f/0x60
[   18.576923]  __kasan_slab_free+0x56/0x70
[   18.577629]  kfree+0x222/0x3f0
[   18.578191]  kmalloc_uaf+0x12c/0x380
[   18.578692]  kunit_try_run_case+0x1a5/0x480
[   18.579505]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.580286]  kthread+0x337/0x6f0
[   18.580574]  ret_from_fork+0x116/0x1d0
[   18.581544]  ret_from_fork_asm+0x1a/0x30
[   18.581830] 
[   18.582141] The buggy address belongs to the object at ffff888102b0a0c0
[   18.582141]  which belongs to the cache kmalloc-16 of size 16
[   18.583949] The buggy address is located 8 bytes inside of
[   18.583949]  freed 16-byte region [ffff888102b0a0c0, ffff888102b0a0d0)
[   18.585603] 
[   18.585707] The buggy address belongs to the physical page:
[   18.586108] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b0a
[   18.587195] flags: 0x200000000000000(node=0|zone=2)
[   18.587611] page_type: f5(slab)
[   18.588169] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000
[   18.589075] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   18.589830] page dumped because: kasan: bad access detected
[   18.590332] 
[   18.590631] Memory state around the buggy address:
[   18.591807]  ffff888102b09f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.592535]  ffff888102b0a000: 00 02 fc fc 00 02 fc fc 00 02 fc fc 00 02 fc fc
[   18.593420] >ffff888102b0a080: fa fb fc fc fa fb fc fc fa fb fc fc fc fc fc fc
[   18.593820]                                               ^
[   18.594656]  ffff888102b0a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.595570]  ffff888102b0a180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.596131] ==================================================================

[   55.838623] ==================================================================
[   55.850708] BUG: KASAN: slab-use-after-free in kmalloc_uaf+0x398/0x3d8
[   55.857269] Read of size 1 at addr cc797288 by task kunit_try_catch/236
[   55.863952] 
[   55.865447] CPU: 0 UID: 0 PID: 236 Comm: kunit_try_catch Tainted: G    B   W        N  6.15.0-next-20250530 #1 NONE 
[   55.865478] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   55.865478] Hardware name: Generic DRA74X (Flattened Device Tree)
[   55.865509] Call trace: 
[   55.865509]  unwind_backtrace from show_stack+0x18/0x1c
[   55.865539]  show_stack from dump_stack_lvl+0x70/0x90
[   55.865539]  dump_stack_lvl from print_report+0x158/0x528
[   55.865570]  print_report from kasan_report+0xdc/0x118
[   55.865600]  kasan_report from kmalloc_uaf+0x398/0x3d8
[   55.865631]  kmalloc_uaf from kunit_try_run_case+0x22c/0x5a8
[   55.865631]  kunit_try_run_case from kunit_generic_run_threadfn_adapter+0xc4/0x128
[   55.865661]  kunit_generic_run_threadfn_adapter from kthread+0x464/0x810
[   55.865692]  kthread from ret_from_fork+0x14/0x20
[   55.865722] Exception stack(0xf22e3fb0 to 0xf22e3ff8)
[   55.865722] 3fa0:                                     00000000 00000000 00000000 00000000
[   55.865753] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[   55.865753] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[   55.865783] 
[   55.970458] Allocated by task 236:
[   55.973907]  kasan_save_track+0x30/0x5c
[   55.977752]  __kasan_kmalloc+0x8c/0x94
[   55.981536]  kmalloc_uaf+0xcc/0x3d8
[   55.985046]  kunit_try_run_case+0x22c/0x5a8
[   55.989288]  kunit_generic_run_threadfn_adapter+0xc4/0x128
[   55.994812]  kthread+0x464/0x810
[   55.998046]  ret_from_fork+0x14/0x20
[   56.001647] 
[   56.003173] Freed by task 236:
[   56.006225]  kasan_save_track+0x30/0x5c
[   56.010101]  kasan_save_free_info+0x3c/0x48
[   56.014312]  __kasan_slab_free+0x40/0x50
[   56.018280]  kfree+0xe8/0x384
[   56.021270]  kmalloc_uaf+0x174/0x3d8
[   56.024871]  kunit_try_run_case+0x22c/0x5a8
[   56.029083]  kunit_generic_run_threadfn_adapter+0xc4/0x128
[   56.034606]  kthread+0x464/0x810
[   56.037872]  ret_from_fork+0x14/0x20
[   56.041473] 
[   56.042968] The buggy address belongs to the object at cc797280
[   56.042968]  which belongs to the cache kmalloc-64 of size 64
[   56.054718] The buggy address is located 8 bytes inside of
[   56.054718]  freed 64-byte region [cc797280, cc7972c0)
[   56.065368] 
[   56.066894] The buggy address belongs to the physical page:
[   56.072479] page: refcount:0 mapcount:0 mapping:00000000 index:0x0 pfn:0x8c797
[   56.079772] flags: 0x0(zone=0)
[   56.082855] page_type: f5(slab)
[   56.085998] raw: 00000000 c7001300 00000122 00000000 00000000 80200020 f5000000 00000000
[   56.094146] raw: 00000000
[   56.096801] page dumped because: kasan: bad access detected
[   56.102386] 
[   56.103912] Memory state around the buggy address:
[   56.108734]  cc797180: 00 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   56.115295]  cc797200: 00 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   56.121856] >cc797280: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   56.128417]               ^
[   56.131256]  cc797300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   56.137817]  cc797380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   56.144378] ==================================================================