[  177.529926] ==================================================================
[  177.532418] BUG: KASAN: use-after-free in kmalloc_pagealloc_uaf+0xac/0x1b0
[  177.534310] Read of size 1 at addr ffff0000c5f9c000 by task kunit_try_catch/124
[  177.536633] 
[  177.537260] CPU: 1 PID: 124 Comm: kunit_try_catch Tainted: G    B            N 6.6.76-rc1 #1
[  177.539215] Hardware name: linux,dummy-virt (DT)
[  177.540325] Call trace:
[  177.541152]  dump_backtrace+0x9c/0x128
[  177.542688]  show_stack+0x20/0x38
[  177.543753]  dump_stack_lvl+0x60/0xb0
[  177.545117]  print_report+0xf8/0x5d8
[  177.546294]  kasan_report+0xc8/0x118
[  177.547496]  __asan_load1+0x60/0x70
[  177.548626]  kmalloc_pagealloc_uaf+0xac/0x1b0
[  177.550082]  kunit_try_run_case+0xf8/0x260
[  177.551734]  kunit_generic_run_threadfn_adapter+0x38/0x60
[  177.553199]  kthread+0x18c/0x1a8
[  177.554695]  ret_from_fork+0x10/0x20
[  177.555863] 
[  177.556551] The buggy address belongs to the physical page:
[  177.557952] page:00000000875d9a5f refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105f9c
[  177.559801] flags: 0xbfffc0000000000(node=0|zone=2|lastcpupid=0xffff)
[  177.561920] page_type: 0xffffffff()
[  177.562908] raw: 0bfffc0000000000 fffffc000317e808 ffff0000daa324f8 0000000000000000
[  177.564684] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[  177.566279] page dumped because: kasan: bad access detected
[  177.567592] 
[  177.568558] Memory state around the buggy address:
[  177.570006]  ffff0000c5f9bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[  177.571668]  ffff0000c5f9bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[  177.573248] >ffff0000c5f9c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  177.574926]                    ^
[  177.575846]  ffff0000c5f9c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  177.577809]  ffff0000c5f9c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  177.579237] ==================================================================