[   36.901109] ==================================================================
[   36.910338] BUG: KASAN: use-after-free in mempool_uaf_helper+0x314/0x340
[   36.917014] Read of size 1 at addr ffff0008026a0000 by task kunit_try_catch/274
[   36.924305] 
[   36.925791] CPU: 0 UID: 0 PID: 274 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   36.925854] Tainted: [B]=BAD_PAGE, [N]=TEST
[   36.925872] Hardware name: WinLink E850-96 board (DT)
[   36.925893] Call trace:
[   36.925905]  show_stack+0x20/0x38 (C)
[   36.925942]  dump_stack_lvl+0x8c/0xd0
[   36.925974]  print_report+0x118/0x608
[   36.926006]  kasan_report+0xdc/0x128
[   36.926040]  __asan_report_load1_noabort+0x20/0x30
[   36.926077]  mempool_uaf_helper+0x314/0x340
[   36.926105]  mempool_kmalloc_large_uaf+0xc4/0x120
[   36.926135]  kunit_try_run_case+0x170/0x3f0
[   36.926167]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   36.926203]  kthread+0x328/0x630
[   36.926237]  ret_from_fork+0x10/0x20
[   36.926273] 
[   36.994531] The buggy address belongs to the physical page:
[   37.000087] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8826a0
[   37.008071] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   37.015710] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   37.022654] page_type: f8(unknown)
[   37.026052] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   37.033770] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   37.041496] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   37.049307] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   37.057121] head: 0bfffe0000000002 fffffdffe009a801 00000000ffffffff 00000000ffffffff
[   37.064933] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   37.072739] page dumped because: kasan: bad access detected
[   37.078294] 
[   37.079769] Memory state around the buggy address:
[   37.084550]  ffff00080269ff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   37.091753]  ffff00080269ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   37.098959] >ffff0008026a0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   37.106158]                    ^
[   37.109374]  ffff0008026a0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   37.116578]  ffff0008026a0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   37.123781] ==================================================================
[   37.462727] ==================================================================
[   37.466748] BUG: KASAN: use-after-free in mempool_uaf_helper+0x314/0x340
[   37.473428] Read of size 1 at addr ffff0008067b4000 by task kunit_try_catch/278
[   37.480720] 
[   37.482206] CPU: 7 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   37.482270] Tainted: [B]=BAD_PAGE, [N]=TEST
[   37.482287] Hardware name: WinLink E850-96 board (DT)
[   37.482309] Call trace:
[   37.482323]  show_stack+0x20/0x38 (C)
[   37.482363]  dump_stack_lvl+0x8c/0xd0
[   37.482396]  print_report+0x118/0x608
[   37.482431]  kasan_report+0xdc/0x128
[   37.482462]  __asan_report_load1_noabort+0x20/0x30
[   37.482503]  mempool_uaf_helper+0x314/0x340
[   37.482530]  mempool_page_alloc_uaf+0xc0/0x118
[   37.482561]  kunit_try_run_case+0x170/0x3f0
[   37.482595]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   37.482632]  kthread+0x328/0x630
[   37.482666]  ret_from_fork+0x10/0x20
[   37.482700] 
[   37.550686] The buggy address belongs to the physical page:
[   37.556242] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8867b4
[   37.564227] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   37.570748] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   37.578466] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   37.586187] page dumped because: kasan: bad access detected
[   37.591741] 
[   37.593216] Memory state around the buggy address:
[   37.598001]  ffff0008067b3f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   37.605200]  ffff0008067b3f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   37.612406] >ffff0008067b4000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   37.619605]                    ^
[   37.622821]  ffff0008067b4080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   37.630025]  ffff0008067b4100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   37.637228] ==================================================================