r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000100)='attr/keycreate\x00')
prctl$PR_SET_SECCOMP(0x16, 0x1, 0x0)
preadv(r0, &(0x7f00000000c0)=[{&(0x7f0000000000)=""/191, 0xbf}], 0x1, 0x0, 0x0)