prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000000000)) r0 = syz_mount_image$tmpfs(&(0x7f0000000880), &(0x7f0000000840)='./file2\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)=ANY=[]) fchdir(r0)